src/components/DisplaySigit/index.tsx

@@ -1,9 +1,6 @@
-import { useEffect, useState } from 'react'
+import { Meta } from '../../types'
-import { Meta, ProfileMetadata } from '../../types'
+import { SigitCardDisplayInfo, SigitStatus, SignStatus } from '../../utils'
-import { SigitCardDisplayInfo, SigitStatus } from '../../utils'
-import { Event, kinds } from 'nostr-tools'
 import { Link } from 'react-router-dom'
-import { MetadataController } from '../../controllers'
 import { formatTimestamp, hexToNpub, npubToHex, shorten } from '../../utils'
 import { appPublicRoutes, appPrivateRoutes } from '../../routes'
 import { Button, Divider, Tooltip } from '@mui/material'
@@ -16,12 +13,13 @@ import {
   faFile
 } from '@fortawesome/free-solid-svg-icons'
 import { FontAwesomeIcon } from '@fortawesome/react-fontawesome'
-import { UserAvatar } from '../UserAvatar'
 import { UserAvatarGroup } from '../UserAvatarGroup'
 
 import styles from './style.module.scss'
 import { TooltipChild } from '../TooltipChild'
 import { getExtensionIconLabel } from '../getExtensionIconLabel'
+import { useSigitProfiles } from '../../hooks/useSigitProfiles'
+import { useSigitMeta } from '../../hooks/useSigitMeta'
 
 type SigitProps = {
   meta: Meta
@@ -35,65 +33,17 @@ export const DisplaySigit = ({ meta, parsedMeta }: SigitProps) => {
     submittedBy,
     signers,
     signedStatus,
-    fileExtensions
+    fileExtensions,
+    isValid
   } = parsedMeta
 
-  const [profiles, setProfiles] = useState<{ [key: string]: ProfileMetadata }>(
+  const { signersStatus } = useSigitMeta(meta)
-    {}
-  )
 
-  useEffect(() => {
+  const profiles = useSigitProfiles([
-    const hexKeys = new Set<string>([
+    ...(submittedBy ? [submittedBy] : []),
-      ...signers.map((signer) => npubToHex(signer)!)
+    ...signers
   ])
 
-    if (submittedBy) {
-      hexKeys.add(npubToHex(submittedBy)!)
-    }
-
-    const metadataController = new MetadataController()
-
-    const handleMetadataEvent = (key: string) => (event: Event) => {
-      const metadataContent =
-        metadataController.extractProfileMetadataContent(event)
-
-      if (metadataContent) {
-        setProfiles((prev) => ({
-          ...prev,
-          [key]: metadataContent
-        }))
-      }
-    }
-
-    const handleEventListener =
-      (key: string) => (kind: number, event: Event) => {
-        if (kind === kinds.Metadata) {
-          handleMetadataEvent(key)(event)
-        }
-      }
-
-    hexKeys.forEach((key) => {
-      if (!(key in profiles)) {
-        metadataController.on(key, handleEventListener(key))
-
-        metadataController
-          .findMetadata(key)
-          .then((metadataEvent) => {
-            if (metadataEvent) handleMetadataEvent(key)(metadataEvent)
-          })
-          .catch((err) => {
-            console.error(`error occurred in finding metadata for: ${key}`, err)
-          })
-      }
-    })
-
-    return () => {
-      hexKeys.forEach((key) => {
-        metadataController.off(key, handleEventListener(key))
-      })
-    }
-  }, [submittedBy, signers, profiles])
-
   return (
     <div className={styles.itemWrapper}>
       <Link
@@ -112,6 +62,7 @@ export const DisplaySigit = ({ meta, parsedMeta }: SigitProps) => {
             const profile = profiles[submittedBy]
             return (
               <Tooltip
+                key={submittedBy}
                 title={
                   profile?.display_name ||
                   profile?.name ||
@@ -122,7 +73,11 @@ export const DisplaySigit = ({ meta, parsedMeta }: SigitProps) => {
                 disableInteractive
               >
                 <TooltipChild>
-                  <UserAvatar pubkey={submittedBy} image={profile?.picture} />
+                  <DisplaySigner
+                    status={isValid ? SignStatus.Signed : SignStatus.Invalid}
+                    profile={profile}
+                    pubkey={submittedBy}
+                  />
                 </TooltipChild>
               </Tooltip>
             )
@@ -130,7 +85,7 @@ export const DisplaySigit = ({ meta, parsedMeta }: SigitProps) => {
         {submittedBy && signers.length ? (
           <Divider orientation="vertical" flexItem />
         ) : null}
-        <UserAvatarGroup className={styles.signers} max={7}>
+        <UserAvatarGroup max={7}>
           {signers.map((signer) => {
             const pubkey = npubToHex(signer)!
             const profile = profiles[pubkey]
@@ -147,7 +102,7 @@ export const DisplaySigit = ({ meta, parsedMeta }: SigitProps) => {
               >
                 <TooltipChild>
                   <DisplaySigner
-                    meta={meta}
+                    status={signersStatus[signer]}
                     profile={profile}
                     pubkey={pubkey}
                   />

src/components/DisplaySigit/style.module.scss

@@ -93,26 +93,6 @@
   grid-gap: 10px;
 }
 
-.signers {
-  padding: 0 0 0 10px;
-
-  > * {
-    transition: margin ease 0.2s;
-    margin: 0 0 0 -10px;
-    position: relative;
-    z-index: 1;
-    &:first-child {
-      margin-left: -10px !important;
-    }
-  }
-
-  > *:hover,
-  > *:focus-within {
-    margin: 0 15px 0 5px;
-    z-index: 2;
-  }
-}
-
 .details {
   color: rgba(0, 0, 0, 0.3);
   font-size: 14px;

src/components/DisplaySigner/index.tsx

@@ -1,75 +1,59 @@
 import { Badge } from '@mui/material'
-import { Event, verifyEvent } from 'nostr-tools'
+import { ProfileMetadata } from '../../types'
-import { useState, useEffect } from 'react'
-import { Meta, ProfileMetadata } from '../../types'
-import { hexToNpub, parseJson } from '../../utils'
 import styles from './style.module.scss'
 import { UserAvatar } from '../UserAvatar'
 import { FontAwesomeIcon } from '@fortawesome/react-fontawesome'
-import { faCheck, faExclamation } from '@fortawesome/free-solid-svg-icons'
+import {
-
+  faCheck,
-enum SignStatus {
+  faEllipsis,
-  Signed = 'Signed',
+  faExclamation,
-  Pending = 'Pending',
+  faEye,
-  Invalid = 'Invalid Sign'
+  faHourglass,
-}
+  faQuestion
+} from '@fortawesome/free-solid-svg-icons'
+import { SignStatus } from '../../utils'
+import { Spinner } from '../Spinner'
 
 type DisplaySignerProps = {
-  meta: Meta
   profile: ProfileMetadata
   pubkey: string
+  status: SignStatus
 }
 
 export const DisplaySigner = ({
-  meta,
+  status,
   profile,
   pubkey
 }: DisplaySignerProps) => {
-  const [signStatus, setSignedStatus] = useState<SignStatus>()
+  const getStatusIcon = (status: SignStatus) => {
+    switch (status) {
+      case SignStatus.Signed:
+        return <FontAwesomeIcon icon={faCheck} />
+      case SignStatus.Awaiting:
+        return (
+          <Spinner>
+            <FontAwesomeIcon icon={faHourglass} />
+          </Spinner>
+        )
+      case SignStatus.Pending:
+        return <FontAwesomeIcon icon={faEllipsis} />
+      case SignStatus.Invalid:
+        return <FontAwesomeIcon icon={faExclamation} />
+      case SignStatus.Viewer:
+        return <FontAwesomeIcon icon={faEye} />
 
-  useEffect(() => {
+      default:
-    if (!meta) return
+        return <FontAwesomeIcon icon={faQuestion} />
-
-    const updateSignStatus = async () => {
-      const npub = hexToNpub(pubkey)
-      if (npub in meta.docSignatures) {
-        parseJson<Event>(meta.docSignatures[npub])
-          .then((event) => {
-            const isValidSignature = verifyEvent(event)
-            if (isValidSignature) {
-              setSignedStatus(SignStatus.Signed)
-            } else {
-              setSignedStatus(SignStatus.Invalid)
-            }
-          })
-          .catch((err) => {
-            console.log(`err in parsing the docSignatures for ${npub}:>> `, err)
-            setSignedStatus(SignStatus.Invalid)
-          })
-      } else {
-        setSignedStatus(SignStatus.Pending)
     }
   }
 
-    updateSignStatus()
-  }, [meta, pubkey])
-
   return (
     <Badge
       className={styles.signer}
       overlap="circular"
       anchorOrigin={{ vertical: 'top', horizontal: 'right' }}
       badgeContent={
-        signStatus !== SignStatus.Pending && (
+        <div className={styles.statusBadge}>{getStatusIcon(status)}</div>
-          <div className={styles.statusBadge}>
-            {signStatus === SignStatus.Signed && (
-              <FontAwesomeIcon icon={faCheck} />
-            )}
-            {signStatus === SignStatus.Invalid && (
-              <FontAwesomeIcon icon={faExclamation} />
-            )}
-          </div>
-        )
       }
     >
       <UserAvatar pubkey={pubkey} image={profile?.picture} />

src/components/DrawPDFFields/index.tsx

@@ -49,7 +49,7 @@ interface Props {
 }
 
 export const DrawPDFFields = (props: Props) => {
-  const { selectedFiles } = props
+  const { selectedFiles, onDrawFieldsChange, users } = props
 
   const [pdfFiles, setPdfFiles] = useState<PdfFile[]>([])
   const [parsingPdf, setParsingPdf] = useState<boolean>(false)
@@ -94,6 +94,15 @@ export const DrawPDFFields = (props: Props) => {
   })
 
   useEffect(() => {
+    /**
+     * Reads the pdf binary files and converts it's pages to images
+     * creates the pdfFiles object and sets to a state
+     */
+    const parsePdfPages = async () => {
+      const pdfFiles: PdfFile[] = await toPdfFiles(selectedFiles)
+
+      setPdfFiles(pdfFiles)
+    }
     if (selectedFiles) {
       setParsingPdf(true)
 
@@ -104,8 +113,8 @@ export const DrawPDFFields = (props: Props) => {
   }, [selectedFiles])
 
   useEffect(() => {
-    if (pdfFiles) props.onDrawFieldsChange(pdfFiles)
+    if (pdfFiles) onDrawFieldsChange(pdfFiles)
-  }, [pdfFiles])
+  }, [onDrawFieldsChange, pdfFiles])
 
   /**
    * Drawing events
@@ -132,12 +141,16 @@ export const DrawPDFFields = (props: Props) => {
    * @param event Mouse event
    * @param page PdfPage where press happened
    */
-  const onMouseDown = (event: any, page: PdfPage) => {
+  const onMouseDown = (
+    event: React.MouseEvent<HTMLDivElement>,
+    page: PdfPage
+  ) => {
     // Proceed only if left click
     if (event.button !== 0) return
 
     // Only allow drawing if mouse is not over other drawn element
-    const isOverPdfImageWrapper = event.target.tagName === 'IMG'
+    const target = event.target as HTMLElement
+    const isOverPdfImageWrapper = target.tagName === 'IMG'
 
     if (!selectedTool || !isOverPdfImageWrapper) {
       return
@@ -185,7 +198,10 @@ export const DrawPDFFields = (props: Props) => {
    * @param event Mouse event
    * @param page PdfPage where moving is happening
    */
-  const onMouseMove = (event: any, page: PdfPage) => {
+  const onMouseMove = (
+    event: React.MouseEvent<HTMLDivElement>,
+    page: PdfPage
+  ) => {
     if (mouseState.clicked && selectedTool) {
       const lastElementIndex = page.drawnFields.length - 1
       const lastDrawnField = page.drawnFields[lastElementIndex]
@@ -216,7 +232,7 @@ export const DrawPDFFields = (props: Props) => {
    * @param event Mouse event
    * @param drawnField Which we are moving
    */
-  const onDrawnFieldMouseDown = (event: any) => {
+  const onDrawnFieldMouseDown = (event: React.MouseEvent<HTMLDivElement>) => {
     event.stopPropagation()
 
     // Proceed only if left click
@@ -239,11 +255,15 @@ export const DrawPDFFields = (props: Props) => {
    * @param event Mouse event
    * @param drawnField which we are moving
    */
-  const onDranwFieldMouseMove = (event: any, drawnField: DrawnField) => {
+  const onDranwFieldMouseMove = (
+    event: React.MouseEvent<HTMLDivElement>,
+    drawnField: DrawnField
+  ) => {
+    const target = event.target as HTMLElement | null
     if (mouseState.dragging) {
       const { mouseX, mouseY, rect } = getMouseCoordinates(
         event,
-        event.target.parentNode
+        target?.parentNode as HTMLElement
       )
       const coordsOffset = mouseState.coordsInWrapper
 
@@ -272,7 +292,7 @@ export const DrawPDFFields = (props: Props) => {
    * @param event Mouse event
    * @param drawnField which we are resizing
    */
-  const onResizeHandleMouseDown = (event: any) => {
+  const onResizeHandleMouseDown = (event: React.MouseEvent<HTMLDivElement>) => {
     // Proceed only if left click
     if (event.button !== 0) return
 
@@ -288,11 +308,15 @@ export const DrawPDFFields = (props: Props) => {
    * @param event Mouse event
    * @param drawnField which we are resizing
    */
-  const onResizeHandleMouseMove = (event: any, drawnField: DrawnField) => {
+  const onResizeHandleMouseMove = (
+    event: React.MouseEvent<HTMLSpanElement | HTMLDivElement>,
+    drawnField: DrawnField
+  ) => {
+    const target = event.target as HTMLElement | null
     if (mouseState.resizing) {
       const { mouseX, mouseY } = getMouseCoordinates(
         event,
-        event.target.parentNode.parentNode
+        target?.parentNode?.parentNode as HTMLElement
       )
 
       const width = mouseX - drawnField.left
@@ -313,7 +337,7 @@ export const DrawPDFFields = (props: Props) => {
    * @param drawnFileIndex drawn file index
    */
   const onRemoveHandleMouseDown = (
-    event: any,
+    event: React.MouseEvent<HTMLDivElement | HTMLSpanElement>,
     pdfFileIndex: number,
     pdfPageIndex: number,
     drawnFileIndex: number
@@ -331,7 +355,9 @@ export const DrawPDFFields = (props: Props) => {
    * so select can work properly
    * @param event Mouse event
    */
-  const onUserSelectHandleMouseDown = (event: any) => {
+  const onUserSelectHandleMouseDown = (
+    event: React.MouseEvent<HTMLDivElement>
+  ) => {
     event.stopPropagation()
   }
 
@@ -341,8 +367,11 @@ export const DrawPDFFields = (props: Props) => {
    * @param customTarget mouse coordinates relative to this element, if not provided
    * event.target will be used
    */
-  const getMouseCoordinates = (event: any, customTarget?: any) => {
+  const getMouseCoordinates = (
-    const target = customTarget ? customTarget : event.target
+    event: React.MouseEvent<HTMLDivElement | HTMLSpanElement>,
+    customTarget?: HTMLElement
+  ) => {
+    const target = (customTarget ? customTarget : event.target) as HTMLElement
     const rect = target.getBoundingClientRect()
     const mouseX = event.clientX - rect.left //x position within the element.
     const mouseY = event.clientY - rect.top //y position within the element.
@@ -354,16 +383,6 @@ export const DrawPDFFields = (props: Props) => {
     }
   }
 
-  /**
-   * Reads the pdf binary files and converts it's pages to images
-   * creates the pdfFiles object and sets to a state
-   */
-  const parsePdfPages = async () => {
-    const pdfFiles: PdfFile[] = await toPdfFiles(selectedFiles)
-
-    setPdfFiles(pdfFiles)
-  }
-
   /**
    *
    * @returns if expanded pdf accordion is present
@@ -477,7 +496,7 @@ export const DrawPDFFields = (props: Props) => {
                           labelId="counterparts"
                           label="Counterparts"
                         >
-                          {props.users.map((user, index) => {
+                          {users.map((user, index) => {
                             let displayValue = truncate(
                               hexToNpub(user.pubkey),
                               {

src/components/DrawPDFFields/style.module.scss

@@ -51,6 +51,14 @@
   position: relative;
   -webkit-user-select: none;
   user-select: none;
+  margin-bottom: 10px;
+
+  > img {
+    display: block;
+    max-width: 100%;
+    max-height: 100%;
+    object-fit: contain; /* Ensure the image fits within the container */
+  }
 
   &.drawing {
     cursor: crosshair;
@@ -72,6 +80,10 @@
     visibility: hidden;
   }
 
+  &.edited {
+    border: 1px dotted #01aaad
+  }
+
   .resizeHandle {
     position: absolute;
     right: -5px;

src/components/FileList/index.tsx

@@ -0,0 +1,50 @@
+import { CurrentUserFile } from '../../types/file.ts'
+import styles from './style.module.scss'
+import { Button } from '@mui/material'
+import { FontAwesomeIcon } from '@fortawesome/react-fontawesome'
+import { faCheck } from '@fortawesome/free-solid-svg-icons'
+
+interface FileListProps {
+  files: CurrentUserFile[]
+  currentFile: CurrentUserFile
+  setCurrentFile: (file: CurrentUserFile) => void
+  handleDownload: () => void
+}
+
+const FileList = ({
+  files,
+  currentFile,
+  setCurrentFile,
+  handleDownload
+}: FileListProps) => {
+  const isActive = (file: CurrentUserFile) => file.id === currentFile.id
+  return (
+    <div className={styles.wrap}>
+      <div className={styles.container}>
+        <ul className={styles.files}>
+          {files.map((file: CurrentUserFile) => (
+            <li
+              key={file.id}
+              className={`${styles.fileItem} ${isActive(file) && styles.active}`}
+              onClick={() => setCurrentFile(file)}
+            >
+              <div className={styles.fileNumber}>{file.id}</div>
+              <div className={styles.fileInfo}>
+                <div className={styles.fileName}>{file.filename}</div>
+              </div>
+
+              <div className={styles.fileVisual}>
+                {file.isHashValid && <FontAwesomeIcon icon={faCheck} />}
+              </div>
+            </li>
+          ))}
+        </ul>
+      </div>
+      <Button variant="contained" fullWidth onClick={handleDownload}>
+        Download Files
+      </Button>
+    </div>
+  )
+}
+
+export default FileList

src/components/FileList/style.module.scss

@@ -0,0 +1,123 @@
+.container {
+  border-radius: 4px;
+  background: white;
+  padding: 15px;
+  display: flex;
+  flex-direction: column;
+  grid-gap: 0px;
+}
+
+.filesPageContainer {
+  width: 100%;
+  display: grid;
+  grid-template-columns: 0.75fr 1.5fr 0.75fr;
+  grid-gap: 30px;
+  flex-grow: 1;
+}
+
+ul {
+  list-style-type: none; /* Removes bullet points */
+  margin: 0;             /* Removes default margin */
+  padding: 0;            /* Removes default padding */
+}
+
+li {
+  list-style-type: none; /* Removes the bullets */
+  margin: 0; /* Removes any default margin */
+  padding: 0; /* Removes any default padding */
+}
+
+
+.wrap {
+  display: flex;
+  flex-direction: column;
+  grid-gap: 15px;
+}
+
+.files {
+  display: flex;
+  flex-direction: column;
+  width: 100%;
+  grid-gap: 15px;
+  max-height: 350px;
+  overflow: auto;
+  padding: 0 5px 0 0;
+  margin: 0 -5px 0 0;
+}
+
+.files::-webkit-scrollbar {
+  width: 10px;
+}
+
+.files::-webkit-scrollbar-track {
+  background-color: rgba(0,0,0,0.15);
+}
+
+.files::-webkit-scrollbar-thumb {
+  max-width: 10px;
+  border-radius: 2px;
+  background-color: #4c82a3;
+  cursor: grab;
+}
+
+.fileItem {
+  transition: ease 0.2s;
+  display: flex;
+  flex-direction: row;
+  grid-gap: 10px;
+  border-radius: 4px;
+  overflow: hidden;
+  background: #ffffff;
+  padding: 5px 10px;
+  align-items: center;
+  color: rgba(0,0,0,0.5);
+  cursor: pointer;
+  flex-grow: 1;
+  font-size: 16px;
+  font-weight: 500;
+
+
+  &.active {
+    background: #4c82a3;
+    color: white;
+  }
+}
+
+.fileItem:hover {
+  transition: ease 0.2s;
+  background: #4c82a3;
+  color: white;
+}
+
+.fileInfo {
+  flex-grow: 1;
+  font-size: 16px;
+  font-weight: 500;
+}
+
+.fileName {
+  display: -webkit-box;
+  -webkit-box-orient: vertical;
+  overflow: hidden;
+  -webkit-line-clamp: 1;
+}
+
+.fileNumber {
+  font-size: 14px;
+  font-weight: 500;
+  display: flex;
+  flex-direction: column;
+  justify-content: center;
+  align-items: center;
+  width: 10px;
+}
+
+.fileVisual {
+  display: flex;
+  flex-shrink: 0;
+  flex-direction: column;
+  justify-content: center;
+  align-items: center;
+  height: 25px;
+  width: 25px;
+}

src/components/MarkFormField/index.tsx

@@ -0,0 +1,126 @@
+import { CurrentUserMark } from '../../types/mark.ts'
+import styles from './style.module.scss'
+
+import { MARK_TYPE_TRANSLATION, NEXT, SIGN } from '../../utils/const.ts'
+import {
+  findNextIncompleteCurrentUserMark,
+  isCurrentUserMarksComplete,
+  isCurrentValueLast
+} from '../../utils'
+import React, { useState } from 'react'
+
+interface MarkFormFieldProps {
+  currentUserMarks: CurrentUserMark[]
+  handleCurrentUserMarkChange: (mark: CurrentUserMark) => void
+  handleSelectedMarkValueChange: (
+    event: React.ChangeEvent<HTMLInputElement>
+  ) => void
+  handleSubmit: (event: React.FormEvent<HTMLFormElement>) => void
+  selectedMark: CurrentUserMark
+  selectedMarkValue: string
+}
+
+/**
+ * Responsible for rendering a form field connected to a mark and keeping track of its value.
+ */
+const MarkFormField = ({
+  handleSubmit,
+  handleSelectedMarkValueChange,
+  selectedMark,
+  selectedMarkValue,
+  currentUserMarks,
+  handleCurrentUserMarkChange
+}: MarkFormFieldProps) => {
+  const [displayActions, setDisplayActions] = useState(true)
+  const getSubmitButtonText = () => (isReadyToSign() ? SIGN : NEXT)
+  const isReadyToSign = () =>
+    isCurrentUserMarksComplete(currentUserMarks) ||
+    isCurrentValueLast(currentUserMarks, selectedMark, selectedMarkValue)
+  const isCurrent = (currentMark: CurrentUserMark) =>
+    currentMark.id === selectedMark.id
+  const isDone = (currentMark: CurrentUserMark) =>
+    isCurrent(currentMark) ? !!selectedMarkValue : currentMark.isCompleted
+  const findNext = () => {
+    return (
+      currentUserMarks[selectedMark.id] ||
+      findNextIncompleteCurrentUserMark(currentUserMarks)
+    )
+  }
+  const handleFormSubmit = (event: React.FormEvent<HTMLFormElement>) => {
+    event.preventDefault()
+    console.log('handle form submit runs...')
+    return isReadyToSign()
+      ? handleSubmit(event)
+      : handleCurrentUserMarkChange(findNext()!)
+  }
+  const toggleActions = () => setDisplayActions(!displayActions)
+  return (
+    <div className={styles.container}>
+      <div className={styles.trigger}>
+        <button
+          onClick={toggleActions}
+          className={styles.triggerBtn}
+          type="button"
+        >
+          <svg
+            xmlns="http://www.w3.org/2000/svg"
+            viewBox="-64 0 512 512"
+            width="1em"
+            height="1em"
+            fill="currentColor"
+            transform={displayActions ? 'rotate(180)' : 'rotate(0)'}
+          >
+            <path d="M352 352c-8.188 0-16.38-3.125-22.62-9.375L192 205.3l-137.4 137.4c-12.5 12.5-32.75 12.5-45.25 0s-12.5-32.75 0-45.25l160-160c12.5-12.5 32.75-12.5 45.25 0l160 160c12.5 12.5 12.5 32.75 0 45.25C368.4 348.9 360.2 352 352 352z"></path>
+          </svg>
+        </button>
+      </div>
+      <div className={`${styles.actions} ${displayActions && styles.expanded}`}>
+        <div className={styles.actionsWrapper}>
+          <div className={styles.actionsTop}>
+            <div className={styles.actionsTopInfo}>
+              <p className={styles.actionsTopInfoText}>Add your signature</p>
+            </div>
+          </div>
+          <div className={styles.inputWrapper}>
+            <form onSubmit={(e) => handleFormSubmit(e)}>
+              <input
+                className={styles.input}
+                placeholder={
+                  MARK_TYPE_TRANSLATION[selectedMark.mark.type.valueOf()]
+                }
+                onChange={handleSelectedMarkValueChange}
+                value={selectedMarkValue}
+              />
+              <div className={styles.actionsBottom}>
+                <button type="submit" className={styles.submitButton}>
+                  {getSubmitButtonText()}
+                </button>
+              </div>
+            </form>
+            <div className={styles.footerContainer}>
+              <div className={styles.footer}>
+                {currentUserMarks.map((mark, index) => {
+                  return (
+                    <div className={styles.pagination} key={index}>
+                      <button
+                        className={`${styles.paginationButton} ${isDone(mark) && styles.paginationButtonDone}`}
+                        onClick={() => handleCurrentUserMarkChange(mark)}
+                      >
+                        {mark.id}
+                      </button>
+                      {isCurrent(mark) && (
+                        <div className={styles.paginationButtonCurrent}></div>
+                      )}
+                    </div>
+                  )
+                })}
+              </div>
+            </div>
+          </div>
+        </div>
+      </div>
+    </div>
+  )
+}
+
+export default MarkFormField

src/components/MarkFormField/style.module.scss

@@ -0,0 +1,210 @@
+.container {
+  width: 100%;
+  display: flex;
+  flex-direction: column;
+  position: fixed;
+  bottom: 0;
+  right: 0;
+  left: 0;
+  align-items: center;
+  z-index: 1000;
+}
+
+.actions {
+  background: white;
+  width: 100%;
+  border-radius: 4px;
+  padding: 10px 20px;
+  display: none;
+  flex-direction: column;
+  align-items: center;
+  grid-gap: 15px;
+  box-shadow: 0 -2px 4px 0 rgb(0,0,0,0.1);
+  max-width: 750px;
+
+  &.expanded {
+    display: flex;
+  }
+}
+
+.actionsWrapper {
+  display: flex;
+  flex-direction: column;
+  grid-gap: 20px;
+  flex-grow: 1;
+  width: 100%;
+}
+
+.actionsTop {
+  display: flex;
+  flex-direction: row;
+  grid-gap: 10px;
+  align-items: center;
+}
+
+.actionsTopInfo {
+  flex-grow: 1;
+}
+
+.actionsTopInfoText {
+  font-size: 16px;
+  color: #434343;
+}
+
+.actionsTrigger {
+  display: flex;
+  flex-direction: column;
+  justify-content: center;
+  align-items: center;
+  position: relative;
+}
+
+.actionButtons {
+  display: flex;
+  flex-direction: row;
+  grid-gap: 5px;
+}
+
+.inputWrapper {
+  display: flex;
+  flex-direction: column;
+  grid-gap: 10px;
+}
+
+.textInput {
+  height: 100px;
+  background: rgba(0,0,0,0.1);
+  border-radius: 4px;
+  border: solid 2px #4c82a3;
+  display: flex;
+  flex-direction: column;
+  justify-content: center;
+  align-items: center;
+}
+
+.input {
+  border-radius: 4px;
+  border: solid 1px rgba(0,0,0,0.15);
+  padding: 5px 10px;
+  font-size: 16px;
+  width: 100%;
+  background: linear-gradient(rgba(0,0,0,0.00), rgba(0,0,0,0.00) 100%), linear-gradient(white, white);
+}
+
+.input:focus {
+  border: solid 1px rgba(0,0,0,0.15);
+  outline: none;
+  background: linear-gradient(rgba(0,0,0,0.05), rgba(0,0,0,0.05) 100%), linear-gradient(white, white);
+}
+
+.actionsBottom {
+  display: flex;
+  flex-direction: row;
+  grid-gap: 5px;
+  justify-content: center;
+  align-items: center;
+}
+
+button {
+  transition: ease 0.2s;
+  width: auto;
+  border-radius: 4px;
+  outline: unset;
+  border: unset;
+  background: unset;
+  color: #ffffff;
+  background: #4c82a3;
+  font-weight: 500;
+  font-size: 14px;
+  padding: 8px 15px;
+  white-space: nowrap;
+  display: flex;
+  flex-direction: row;
+  grid-gap: 12px;
+  justify-content: center;
+  align-items: center;
+  text-decoration: unset;
+  position: relative;
+  cursor: pointer;
+}
+
+button:hover {
+  transition: ease 0.2s;
+  background: #5e8eab;
+  color: white;
+}
+
+button:active {
+  transition: ease 0.2s;
+  background: #447592;
+  color: white;
+}
+
+.submitButton {
+  width: 100%;
+  max-width: 300px;
+  margin-top: 10px;
+}
+
+.footerContainer {
+  display: flex;
+  flex-direction: row;
+  justify-content: center;
+  align-items: center;
+}
+
+.footer {
+  display: flex;
+  flex-direction: row;
+  grid-gap: 5px;
+  align-items: start;
+  justify-content: center;
+  width: 100%;
+}
+
+.pagination {
+  display: flex;
+  flex-direction: column;
+  grid-gap: 5px;
+}
+
+.paginationButton {
+  font-size: 12px;
+  padding: 5px 10px;
+  border-radius: 3px;
+  background: rgba(0,0,0,0.1);
+  color: rgba(0,0,0,0.5);
+}
+
+.paginationButton:hover {
+  background: #447592;
+  color: rgba(255,255,255,0.5);
+}
+
+.paginationButtonDone {
+  background: #5e8eab;
+  color: rgb(255,255,255);
+}
+
+.paginationButtonCurrent {
+  height: 2px;
+  width: 100%;
+  background: #4c82a3;
+}
+
+.trigger {
+  display: flex;
+  flex-direction: column;
+  justify-content: center;
+  align-items: center;
+  position: relative;
+}
+
+.triggerBtn {
+  background: white;
+  color: #434343;
+  padding: 5px 30px;
+  box-shadow: 0px -3px 4px 0 rgb(0,0,0,0.1);
+  position: absolute;
+  top: -25px;
+}

src/components/PDFView/PdfMarkItem.tsx

@@ -20,14 +20,13 @@ const PdfMarkItem = ({
 }: PdfMarkItemProps) => {
   const { location } = userMark.mark
   const handleClick = () => handleMarkClick(userMark.mark.id)
+  const isEdited = () => selectedMark?.mark.id === userMark.mark.id
   const getMarkValue = () =>
-    selectedMark?.mark.id === userMark.mark.id
+    isEdited() ? selectedMarkValue : userMark.currentValue
-      ? selectedMarkValue
-      : userMark.mark.value
   return (
     <div
       onClick={handleClick}
-      className={styles.drawingRectangle}
+      className={`${styles.drawingRectangle} ${isEdited() && styles.edited}`}
       style={{
         left: inPx(location.left),
         top: inPx(location.top),

src/components/PDFView/PdfMarking.tsx

@@ -1,23 +1,30 @@
 import PdfView from './index.tsx'
-import MarkFormField from '../../pages/sign/MarkFormField.tsx'
+import MarkFormField from '../MarkFormField'
-import { PdfFile } from '../../types/drawing.ts'
 import { CurrentUserMark, Mark } from '../../types/mark.ts'
 import React, { useState, useEffect } from 'react'
 import {
-  findNextCurrentUserMark,
+  findNextIncompleteCurrentUserMark,
-  isCurrentUserMarksComplete,
+  getUpdatedMark,
   updateCurrentUserMarks
 } from '../../utils'
 import { EMPTY } from '../../utils/const.ts'
 import { Container } from '../Container'
-import styles from '../../pages/sign/style.module.scss'
+import signPageStyles from '../../pages/sign/style.module.scss'
+import styles from './style.module.scss'
+import { CurrentUserFile } from '../../types/file.ts'
+import FileList from '../FileList'
+import { StickySideColumns } from '../../layouts/StickySideColumns.tsx'
+import { UsersDetails } from '../UsersDetails.tsx'
+import { Meta } from '../../types'
 
 interface PdfMarkingProps {
-  files: { pdfFile: PdfFile; filename: string; hash: string | null }[]
+  files: CurrentUserFile[]
   currentUserMarks: CurrentUserMark[]
   setIsReadyToSign: (isReadyToSign: boolean) => void
   setCurrentUserMarks: (currentUserMarks: CurrentUserMark[]) => void
   setUpdatedMarks: (markToUpdate: Mark) => void
+  handleDownload: () => void
+  meta: Meta | null
 }
 
 /**
@@ -32,14 +39,28 @@ const PdfMarking = (props: PdfMarkingProps) => {
     currentUserMarks,
     setIsReadyToSign,
     setCurrentUserMarks,
-    setUpdatedMarks
+    setUpdatedMarks,
+    handleDownload,
+    meta
   } = props
   const [selectedMark, setSelectedMark] = useState<CurrentUserMark | null>(null)
   const [selectedMarkValue, setSelectedMarkValue] = useState<string>('')
+  const [currentFile, setCurrentFile] = useState<CurrentUserFile | null>(null)
 
   useEffect(() => {
-    setSelectedMark(findNextCurrentUserMark(currentUserMarks) || null)
+    if (selectedMark === null && currentUserMarks.length > 0) {
-  }, [currentUserMarks])
+      setSelectedMark(
+        findNextIncompleteCurrentUserMark(currentUserMarks) ||
+          currentUserMarks[0]
+      )
+    }
+  }, [currentUserMarks, selectedMark])
+
+  useEffect(() => {
+    if (currentFile === null && files.length > 0) {
+      setCurrentFile(files[0])
+    }
+  }, [files, currentFile])
 
   const handleMarkClick = (id: number) => {
     const nextMark = currentUserMarks.find((mark) => mark.mark.id === id)
@@ -47,18 +68,30 @@ const PdfMarking = (props: PdfMarkingProps) => {
     setSelectedMarkValue(nextMark?.mark.value ?? EMPTY)
   }
 
+  const handleCurrentUserMarkChange = (mark: CurrentUserMark) => {
+    if (!selectedMark) return
+    const updatedSelectedMark: CurrentUserMark = getUpdatedMark(
+      selectedMark,
+      selectedMarkValue
+    )
+
+    const updatedCurrentUserMarks = updateCurrentUserMarks(
+      currentUserMarks,
+      updatedSelectedMark
+    )
+    setCurrentUserMarks(updatedCurrentUserMarks)
+    setSelectedMarkValue(mark.currentValue ?? EMPTY)
+    setSelectedMark(mark)
+  }
+
   const handleSubmit = (event: React.FormEvent<HTMLFormElement>) => {
     event.preventDefault()
     if (!selectedMarkValue || !selectedMark) return
 
-    const updatedMark: CurrentUserMark = {
+    const updatedMark: CurrentUserMark = getUpdatedMark(
-      ...selectedMark,
+      selectedMark,
-      mark: {
+      selectedMarkValue
-        ...selectedMark.mark,
+    )
-        value: selectedMarkValue
-      },
-      isCompleted: true
-    }
 
     setSelectedMarkValue(EMPTY)
     const updatedCurrentUserMarks = updateCurrentUserMarks(
@@ -66,33 +99,62 @@ const PdfMarking = (props: PdfMarkingProps) => {
       updatedMark
     )
     setCurrentUserMarks(updatedCurrentUserMarks)
-    setSelectedMark(findNextCurrentUserMark(updatedCurrentUserMarks) || null)
+    setSelectedMark(null)
-    console.log(isCurrentUserMarksComplete(updatedCurrentUserMarks))
+    setIsReadyToSign(true)
-    setIsReadyToSign(isCurrentUserMarksComplete(updatedCurrentUserMarks))
     setUpdatedMarks(updatedMark.mark)
   }
 
+  // const updateCurrentUserMarkValues = () => {
+  //   const updatedMark: CurrentUserMark = getUpdatedMark(selectedMark!, selectedMarkValue)
+  //   const updatedCurrentUserMarks = updateCurrentUserMarks(currentUserMarks, updatedMark)
+  //   setSelectedMarkValue(EMPTY)
+  //   setCurrentUserMarks(updatedCurrentUserMarks)
+  // }
+
   const handleChange = (event: React.ChangeEvent<HTMLInputElement>) =>
     setSelectedMarkValue(event.target.value)
 
   return (
     <>
-      <Container className={styles.container}>
+      <Container className={signPageStyles.container}>
+        <StickySideColumns
+          left={
+            <div>
+              {currentFile !== null && (
+                <FileList
+                  files={files}
+                  currentFile={currentFile}
+                  setCurrentFile={setCurrentFile}
+                  handleDownload={handleDownload}
+                />
+              )}
+            </div>
+          }
+          right={meta !== null && <UsersDetails meta={meta} />}
+        >
+          <div className={styles.container}>
             {currentUserMarks?.length > 0 && (
+              <div className={styles.pdfView}>
                 <PdfView
+                  currentFile={currentFile}
                   files={files}
                   handleMarkClick={handleMarkClick}
                   selectedMarkValue={selectedMarkValue}
                   selectedMark={selectedMark}
                   currentUserMarks={currentUserMarks}
                 />
+              </div>
             )}
+          </div>
+        </StickySideColumns>
         {selectedMark !== null && (
           <MarkFormField
             handleSubmit={handleSubmit}
-            handleChange={handleChange}
+            handleSelectedMarkValueChange={handleChange}
             selectedMark={selectedMark}
             selectedMarkValue={selectedMarkValue}
+            currentUserMarks={currentUserMarks}
+            handleCurrentUserMarkChange={handleCurrentUserMarkChange}
           />
         )}
       </Container>

src/components/PDFView/PdfPageItem.tsx

@@ -2,6 +2,7 @@ import styles from '../DrawPDFFields/style.module.scss'
 import { PdfPage } from '../../types/drawing.ts'
 import { CurrentUserMark } from '../../types/mark.ts'
 import PdfMarkItem from './PdfMarkItem.tsx'
+import { useEffect, useRef } from 'react'
 interface PdfPageProps {
   page: PdfPage
   currentUserMarks: CurrentUserMark[]
@@ -20,17 +21,25 @@ const PdfPageItem = ({
   selectedMarkValue,
   selectedMark
 }: PdfPageProps) => {
+  useEffect(() => {
+    if (selectedMark !== null && !!markRefs.current[selectedMark.id]) {
+      markRefs.current[selectedMark.id]?.scrollIntoView({
+        behavior: 'smooth',
+        block: 'end'
+      })
+    }
+  }, [selectedMark])
+  const markRefs = useRef<(HTMLDivElement | null)[]>([])
   return (
     <div
       className={styles.pdfImageWrapper}
       style={{
-        border: '1px solid #c4c4c4',
+        border: '1px solid #c4c4c4'
-        marginBottom: '10px',
-        marginTop: '10px'
       }}
     >
       <img draggable="false" src={page.image} style={{ width: '100%' }} />
       {currentUserMarks.map((m, i) => (
+        <div key={i} ref={(el) => (markRefs.current[m.id] = el)}>
           <PdfMarkItem
             key={i}
             handleMarkClick={handleMarkClick}
@@ -38,6 +47,7 @@ const PdfPageItem = ({
             userMark={m}
             selectedMark={selectedMark}
           />
+        </div>
       ))}
     </div>
   )

src/components/PDFView/index.tsx

@@ -1,14 +1,16 @@
-import { PdfFile } from '../../types/drawing.ts'
+import { Divider } from '@mui/material'
-import { Box } from '@mui/material'
 import PdfItem from './PdfItem.tsx'
 import { CurrentUserMark } from '../../types/mark.ts'
+import { CurrentUserFile } from '../../types/file.ts'
+import { useEffect, useRef } from 'react'
 
 interface PdfViewProps {
-  files: { pdfFile: PdfFile; filename: string; hash: string | null }[]
+  files: CurrentUserFile[]
   currentUserMarks: CurrentUserMark[]
   handleMarkClick: (id: number) => void
   selectedMarkValue: string
   selectedMark: CurrentUserMark | null
+  currentFile: CurrentUserFile | null
 }
 
 /**
@@ -19,8 +21,18 @@ const PdfView = ({
   currentUserMarks,
   handleMarkClick,
   selectedMarkValue,
-  selectedMark
+  selectedMark,
+  currentFile
 }: PdfViewProps) => {
+  const pdfRefs = useRef<(HTMLDivElement | null)[]>([])
+  useEffect(() => {
+    if (currentFile !== null && !!pdfRefs.current[currentFile.id]) {
+      pdfRefs.current[currentFile.id]?.scrollIntoView({
+        behavior: 'smooth',
+        block: 'end'
+      })
+    }
+  }, [currentFile])
   const filterByFile = (
     currentUserMarks: CurrentUserMark[],
     hash: string
@@ -29,22 +41,31 @@ const PdfView = ({
       (currentUserMark) => currentUserMark.mark.pdfFileHash === hash
     )
   }
+  const isNotLastPdfFile = (index: number, files: CurrentUserFile[]): boolean =>
+    index !== files.length - 1
   return (
-    <Box sx={{ width: '100%' }}>
+    <>
-      {files.map(({ pdfFile, hash }, i) => {
+      {files.map((currentUserFile, index, arr) => {
+        const { hash, pdfFile, id } = currentUserFile
         if (!hash) return
         return (
+          <div
+            id={pdfFile.file.name}
+            ref={(el) => (pdfRefs.current[id] = el)}
+            key={index}
+          >
             <PdfItem
               pdfFile={pdfFile}
-            key={i}
               currentUserMarks={filterByFile(currentUserMarks, hash)}
               selectedMark={selectedMark}
               handleMarkClick={handleMarkClick}
               selectedMarkValue={selectedMarkValue}
             />
+            {isNotLastPdfFile(index, arr) && <Divider>File Separator</Divider>}
+          </div>
         )
       })}
-    </Box>
+    </>
   )
 }
 

src/components/PDFView/style.module.scss

@@ -14,3 +14,18 @@
   max-height: 100%;
   object-fit: contain; /* Ensure the image fits within the container */
 }
+
+.container {
+  display: flex;
+  width: 100%;
+  flex-direction: column;
+
+}
+
+.pdfView {
+  display: flex;
+  flex-direction: column;
+  width: 100%;
+  height: 100%;
+  gap: 10px;
+}

src/components/Spinner/index.tsx

@@ -0,0 +1,6 @@
+import { PropsWithChildren } from 'react'
+import styles from './style.module.scss'
+
+export const Spinner = ({ children }: PropsWithChildren) => (
+  <div className={styles.spin}>{children}</div>
+)

src/components/Spinner/style.module.scss

@@ -0,0 +1,12 @@
+.spin {
+  animation: spin 5s linear infinite;
+}
+
+@keyframes spin {
+  0% {
+    transform: rotate(0deg);
+  }
+  100% {
+    transform: rotate(360deg);
+  }
+}

src/components/UserAvatarGroup/index.tsx

@@ -28,7 +28,7 @@ export const UserAvatarGroup = ({
 
   const childrenArray = Children.toArray(children)
   return (
-    <div {...rest}>
+    <div className={styles.container} {...rest}>
       {surplus > 1
         ? childrenArray.slice(0, surplus * -1).map((c) => c)
         : children}

src/components/UserAvatarGroup/style.module.scss

@@ -1,5 +1,25 @@
 @import '../../styles/colors.scss';
 
+.container {
+  padding: 0 0 0 10px;
+
+  > * {
+    transition: margin ease 0.2s;
+    margin: 0 0 0 -10px;
+    position: relative;
+    z-index: 1;
+    &:first-child {
+      margin-left: -10px !important;
+    }
+  }
+
+  > *:hover,
+  > *:focus-within {
+    margin: 0 15px 0 5px;
+    z-index: 2;
+  }
+}
+
 .icon {
   width: 40px;
   height: 40px;

src/components/UsersDetails.tsx/index.tsx

@@ -0,0 +1,222 @@
+import { Divider, Tooltip } from '@mui/material'
+import { useSigitProfiles } from '../../hooks/useSigitProfiles'
+import {
+  extractFileExtensions,
+  formatTimestamp,
+  fromUnixTimestamp,
+  hexToNpub,
+  npubToHex,
+  shorten,
+  SignStatus
+} from '../../utils'
+import { useSigitMeta } from '../../hooks/useSigitMeta'
+import { UserAvatarGroup } from '../UserAvatarGroup'
+
+import styles from './style.module.scss'
+import { FontAwesomeIcon } from '@fortawesome/react-fontawesome'
+import {
+  faCalendar,
+  faCalendarCheck,
+  faCalendarPlus,
+  faEye,
+  faFile,
+  faFileCircleExclamation
+} from '@fortawesome/free-solid-svg-icons'
+import { getExtensionIconLabel } from '../getExtensionIconLabel'
+import { useSelector } from 'react-redux'
+import { State } from '../../store/rootReducer'
+import { TooltipChild } from '../TooltipChild'
+import { DisplaySigner } from '../DisplaySigner'
+import { Meta } from '../../types'
+
+interface UsersDetailsProps {
+  meta: Meta
+}
+
+export const UsersDetails = ({ meta }: UsersDetailsProps) => {
+  const {
+    submittedBy,
+    signers,
+    viewers,
+    fileHashes,
+    signersStatus,
+    createdAt,
+    completedAt,
+    parsedSignatureEvents,
+    signedStatus,
+    isValid
+  } = useSigitMeta(meta)
+  const { usersPubkey } = useSelector((state: State) => state.auth)
+  const profiles = useSigitProfiles([
+    ...(submittedBy ? [submittedBy] : []),
+    ...signers,
+    ...viewers
+  ])
+  const userCanSign =
+    typeof usersPubkey !== 'undefined' &&
+    signers.includes(hexToNpub(usersPubkey))
+
+  const { extensions, isSame } = extractFileExtensions(Object.keys(fileHashes))
+
+  return submittedBy ? (
+    <div className={styles.container}>
+      <div className={styles.section}>
+        <p>Signers</p>
+        <div className={styles.users}>
+          {submittedBy &&
+            (function () {
+              const profile = profiles[submittedBy]
+              return (
+                <Tooltip
+                  key={submittedBy}
+                  title={
+                    profile?.display_name ||
+                    profile?.name ||
+                    shorten(hexToNpub(submittedBy))
+                  }
+                  placement="top"
+                  arrow
+                  disableInteractive
+                >
+                  <TooltipChild>
+                    <DisplaySigner
+                      status={isValid ? SignStatus.Signed : SignStatus.Invalid}
+                      profile={profile}
+                      pubkey={submittedBy}
+                    />
+                  </TooltipChild>
+                </Tooltip>
+              )
+            })()}
+
+          {submittedBy && signers.length ? (
+            <Divider orientation="vertical" flexItem />
+          ) : null}
+
+          <UserAvatarGroup max={20}>
+            {signers.map((signer) => {
+              const pubkey = npubToHex(signer)!
+              const profile = profiles[pubkey]
+
+              return (
+                <Tooltip
+                  key={signer}
+                  title={
+                    profile?.display_name || profile?.name || shorten(pubkey)
+                  }
+                  placement="top"
+                  arrow
+                  disableInteractive
+                >
+                  <TooltipChild>
+                    <DisplaySigner
+                      status={signersStatus[signer]}
+                      profile={profile}
+                      pubkey={pubkey}
+                    />
+                  </TooltipChild>
+                </Tooltip>
+              )
+            })}
+            {viewers.map((signer) => {
+              const pubkey = npubToHex(signer)!
+              const profile = profiles[pubkey]
+
+              return (
+                <Tooltip
+                  key={signer}
+                  title={
+                    profile?.display_name || profile?.name || shorten(pubkey)
+                  }
+                  placement="top"
+                  arrow
+                  disableInteractive
+                >
+                  <TooltipChild>
+                    <DisplaySigner
+                      status={SignStatus.Viewer}
+                      profile={profile}
+                      pubkey={pubkey}
+                    />
+                  </TooltipChild>
+                </Tooltip>
+              )
+            })}
+          </UserAvatarGroup>
+        </div>
+      </div>
+      <div className={styles.section}>
+        <p>Details</p>
+
+        <Tooltip
+          title={'Publication date'}
+          placement="top"
+          arrow
+          disableInteractive
+        >
+          <span className={styles.detailsItem}>
+            <FontAwesomeIcon icon={faCalendarPlus} />{' '}
+            {createdAt ? formatTimestamp(createdAt) : <>&mdash;</>}
+          </span>
+        </Tooltip>
+
+        <Tooltip
+          title={'Completion date'}
+          placement="top"
+          arrow
+          disableInteractive
+        >
+          <span className={styles.detailsItem}>
+            <FontAwesomeIcon icon={faCalendarCheck} />{' '}
+            {completedAt ? formatTimestamp(completedAt) : <>&mdash;</>}
+          </span>
+        </Tooltip>
+
+        {/* User signed date */}
+        {userCanSign ? (
+          <Tooltip
+            title={'Your signature date'}
+            placement="top"
+            arrow
+            disableInteractive
+          >
+            <span className={styles.detailsItem}>
+              <FontAwesomeIcon icon={faCalendar} />{' '}
+              {hexToNpub(usersPubkey) in parsedSignatureEvents ? (
+                parsedSignatureEvents[hexToNpub(usersPubkey)].created_at ? (
+                  formatTimestamp(
+                    fromUnixTimestamp(
+                      parsedSignatureEvents[hexToNpub(usersPubkey)].created_at
+                    )
+                  )
+                ) : (
+                  <>&mdash;</>
+                )
+              ) : (
+                <>&mdash;</>
+              )}
+            </span>
+          </Tooltip>
+        ) : null}
+        <span className={styles.detailsItem}>
+          <FontAwesomeIcon icon={faEye} /> {signedStatus}
+        </span>
+        {extensions.length > 0 ? (
+          <span className={styles.detailsItem}>
+            {!isSame ? (
+              <>
+                <FontAwesomeIcon icon={faFile} /> Multiple File Types
+              </>
+            ) : (
+              getExtensionIconLabel(extensions[0])
+            )}
+          </span>
+        ) : (
+          <>
+            <FontAwesomeIcon icon={faFileCircleExclamation} /> &mdash;
+          </>
+        )}
+      </div>
+    </div>
+  ) : undefined
+}

src/components/UsersDetails.tsx/style.module.scss

@@ -0,0 +1,46 @@
+@import '../../styles/colors.scss';
+
+.container {
+  border-radius: 4px;
+  background: $overlay-background-color;
+  padding: 15px;
+  display: flex;
+  flex-direction: column;
+  grid-gap: 25px;
+
+  font-size: 14px;
+}
+
+.section {
+  display: flex;
+  flex-direction: column;
+  grid-gap: 10px;
+}
+
+.users {
+  display: flex;
+  grid-gap: 10px;
+}
+
+.detailsItem {
+  transition: ease 0.2s;
+  color: rgba(0, 0, 0, 0.5);
+  font-size: 14px;
+  align-items: center;
+  border-radius: 4px;
+  padding: 5px;
+
+  display: flex;
+  align-items: center;
+  justify-content: start;
+
+  > :first-child {
+    padding: 5px;
+    margin-right: 10px;
+  }
+
+  &:hover {
+    background: $primary-main;
+    color: white;
+  }
+}

src/hooks/useSigitMeta.tsx

@@ -1,9 +1,15 @@
 import { useEffect, useState } from 'react'
-import { CreateSignatureEventContent, Meta } from '../types'
+import {
+  CreateSignatureEventContent,
+  DocSignatureEvent,
+  Meta,
+  SignedEventContent
+} from '../types'
 import { Mark } from '../types/mark'
 import {
   fromUnixTimestamp,
-  parseCreateSignatureEvent,
+  hexToNpub,
+  parseNostrEvent,
   parseCreateSignatureEventContent,
   SigitMetaParseError,
   SigitStatus,
@@ -12,11 +18,38 @@ import {
 import { toast } from 'react-toastify'
 import { verifyEvent } from 'nostr-tools'
 import { Event } from 'nostr-tools'
+import store from '../store/store'
+import { AuthState } from '../store/auth/types'
+import { NostrController } from '../controllers'
+
+/**
+ * Flattened interface that combines properties `Meta`, `CreateSignatureEventContent`,
+ * and `Event` (event's fields are made optional and pubkey and created_at replaced with our versions)
+ */
+export interface FlatMeta
+  extends Meta,
+    CreateSignatureEventContent,
+    Partial<Omit<Event, 'pubkey' | 'created_at'>> {
+  // Remove pubkey and use submittedBy as `npub1${string}`
+  submittedBy?: `npub1${string}`
+
+  // Remove created_at and replace with createdAt
+  createdAt?: number
 
-interface FlatMeta extends Meta, CreateSignatureEventContent, Partial<Event> {
   // Validated create signature event
   isValid: boolean
 
+  // Decryption
+  encryptionKey: string | null
+
+  // Parsed Document Signatures
+  parsedSignatureEvents: {
+    [signer: `npub1${string}`]: DocSignatureEvent
+  }
+
+  // Calculated completion time
+  completedAt?: number
+
   // Calculated status fields
   signedStatus: SigitStatus
   signersStatus: {
@@ -33,8 +66,8 @@ export const useSigitMeta = (meta: Meta): FlatMeta => {
   const [isValid, setIsValid] = useState(false)
   const [kind, setKind] = useState<number>()
   const [tags, setTags] = useState<string[][]>()
-  const [created_at, setCreatedAt] = useState<number>()
+  const [createdAt, setCreatedAt] = useState<number>()
-  const [pubkey, setPubkey] = useState<string>() // submittedBy, pubkey from nostr event
+  const [submittedBy, setSubmittedBy] = useState<`npub1${string}`>() // submittedBy, pubkey from nostr event
   const [id, setId] = useState<string>()
   const [sig, setSig] = useState<string>()
 
@@ -47,6 +80,12 @@ export const useSigitMeta = (meta: Meta): FlatMeta => {
   const [title, setTitle] = useState<string>('')
   const [zipUrl, setZipUrl] = useState<string>('')
 
+  const [parsedSignatureEvents, setParsedSignatureEvents] = useState<{
+    [signer: `npub1${string}`]: DocSignatureEvent
+  }>({})
+
+  const [completedAt, setCompletedAt] = useState<number>()
+
   const [signedStatus, setSignedStatus] = useState<SigitStatus>(
     SigitStatus.Partial
   )
@@ -54,13 +93,13 @@ export const useSigitMeta = (meta: Meta): FlatMeta => {
     [signer: `npub1${string}`]: SignStatus
   }>({})
 
+  const [encryptionKey, setEncryptionKey] = useState<string | null>(null)
+
   useEffect(() => {
     if (!meta) return
     ;(async function () {
       try {
-        const createSignatureEvent = await parseCreateSignatureEvent(
+        const createSignatureEvent = await parseNostrEvent(meta.createSignature)
-          meta.createSignature
-        )
 
         const { kind, tags, created_at, pubkey, id, sig, content } =
           createSignatureEvent
@@ -70,7 +109,7 @@ export const useSigitMeta = (meta: Meta): FlatMeta => {
         setTags(tags)
         // created_at in nostr events are stored in seconds
         setCreatedAt(fromUnixTimestamp(created_at))
-        setPubkey(pubkey)
+        setSubmittedBy(pubkey as `npub1${string}`)
         setId(id)
         setSig(sig)
 
@@ -84,30 +123,108 @@ export const useSigitMeta = (meta: Meta): FlatMeta => {
         setMarkConfig(markConfig)
         setZipUrl(zipUrl)
 
-        // Parse each signature event and set signer status
+        if (meta.keys) {
+          const { sender, keys } = meta.keys
+          // Retrieve the user's public key from the state
+          const usersPubkey = (store.getState().auth as AuthState).usersPubkey!
+          const usersNpub = hexToNpub(usersPubkey)
+
+          // Check if the user's public key is in the keys object
+          if (usersNpub in keys) {
+            // Instantiate the NostrController to decrypt the encryption key
+            const nostrController = NostrController.getInstance()
+            const decrypted = await nostrController
+              .nip04Decrypt(sender, keys[usersNpub])
+              .catch((err) => {
+                console.log(
+                  'An error occurred in decrypting encryption key',
+                  err
+                )
+                return null
+              })
+
+            setEncryptionKey(decrypted)
+          }
+        }
+
+        // Temp. map to hold events and signers
+        const parsedSignatureEventsMap = new Map<
+          `npub1${string}`,
+          DocSignatureEvent
+        >()
+        const signerStatusMap = new Map<`npub1${string}`, SignStatus>()
+
+        const getPrevSignerSig = (npub: `npub1${string}`) => {
+          if (signers[0] === npub) {
+            return sig
+          }
+
+          // find the index of signer
+          const currentSignerIndex = signers.findIndex(
+            (signer) => signer === npub
+          )
+          // return if could not found user in signer's list
+          if (currentSignerIndex === -1) return
+          // find prev signer
+          const prevSigner = signers[currentSignerIndex - 1]
+
+          // get the signature of prev signer
+          return parsedSignatureEventsMap.get(prevSigner)?.sig
+        }
+
         for (const npub in meta.docSignatures) {
           try {
-            const event = await parseCreateSignatureEvent(
+            // Parse each signature event
+            const event = await parseNostrEvent(
               meta.docSignatures[npub as `npub1${string}`]
             )
-            const isValidSignature = verifyEvent(event)
+
-            setSignersStatus((prev) => {
+            // Save events to a map, to save all at once outside loop
-              return {
+            // We need the object to find completedAt
-                ...prev,
+            // Avoided using parsedSignatureEvents due to useEffect deps
-                [npub]: isValidSignature
+            parsedSignatureEventsMap.set(npub as `npub1${string}`, event)
-                  ? SignStatus.Signed
-                  : SignStatus.Invalid
-              }
-            })
           } catch (error) {
-            setSignersStatus((prev) => {
+            signerStatusMap.set(npub as `npub1${string}`, SignStatus.Invalid)
-              return {
+          }
-                ...prev,
+        }
-                [npub]: SignStatus.Invalid
+
+        parsedSignatureEventsMap.forEach((event, npub) => {
+          const isValidSignature = verifyEvent(event)
+          if (isValidSignature) {
+            // get the signature of prev signer from the content of current signers signedEvent
+            const prevSignersSig = getPrevSignerSig(npub)
+            try {
+              const obj: SignedEventContent = JSON.parse(event.content)
+              parsedSignatureEventsMap.set(npub, {
+                ...event,
+                parsedContent: obj
+              })
+              if (
+                obj.prevSig &&
+                prevSignersSig &&
+                obj.prevSig === prevSignersSig
+              ) {
+                signerStatusMap.set(npub as `npub1${string}`, SignStatus.Signed)
+              }
+            } catch (error) {
+              signerStatusMap.set(npub as `npub1${string}`, SignStatus.Invalid)
+            }
           }
         })
+
+        signers
+          .filter((s) => !parsedSignatureEventsMap.has(s))
+          .forEach((s) => signerStatusMap.set(s, SignStatus.Pending))
+
+        // Get the first signer that hasn't signed
+        const nextSigner = signers.find((s) => !parsedSignatureEventsMap.has(s))
+        if (nextSigner) {
+          signerStatusMap.set(nextSigner, SignStatus.Awaiting)
         }
-        }
+
+        setSignersStatus(Object.fromEntries(signerStatusMap))
+        setParsedSignatureEvents(Object.fromEntries(parsedSignatureEventsMap))
+
         const signedBy = Object.keys(meta.docSignatures) as `npub1${string}`[]
         const isCompletelySigned = signers.every((signer) =>
           signedBy.includes(signer)
@@ -115,6 +232,20 @@ export const useSigitMeta = (meta: Meta): FlatMeta => {
         setSignedStatus(
           isCompletelySigned ? SigitStatus.Complete : SigitStatus.Partial
         )
+
+        // Check if all signers signed
+        if (isCompletelySigned) {
+          setCompletedAt(
+            fromUnixTimestamp(
+              signedBy.reduce((p, c) => {
+                return Math.max(
+                  p,
+                  parsedSignatureEventsMap.get(c)?.created_at || 0
+                )
+              }, 0)
+            )
+          )
+        }
       } catch (error) {
         if (error instanceof SigitMetaParseError) {
           toast.error(error.message)
@@ -125,15 +256,15 @@ export const useSigitMeta = (meta: Meta): FlatMeta => {
   }, [meta])
 
   return {
-    modifiedAt: meta.modifiedAt,
+    modifiedAt: meta?.modifiedAt,
-    createSignature: meta.createSignature,
+    createSignature: meta?.createSignature,
-    docSignatures: meta.docSignatures,
+    docSignatures: meta?.docSignatures,
-    keys: meta.keys,
+    keys: meta?.keys,
     isValid,
     kind,
     tags,
-    created_at,
+    createdAt,
-    pubkey,
+    submittedBy,
     id,
     sig,
     signers,
@@ -142,7 +273,10 @@ export const useSigitMeta = (meta: Meta): FlatMeta => {
     markConfig,
     title,
     zipUrl,
+    parsedSignatureEvents,
+    completedAt,
     signedStatus,
-    signersStatus
+    signersStatus,
+    encryptionKey
   }
 }

src/hooks/useSigitProfiles.tsx

@@ -0,0 +1,70 @@
+import { useEffect, useState } from 'react'
+import { ProfileMetadata } from '../types'
+import { MetadataController } from '../controllers'
+import { npubToHex } from '../utils'
+import { Event, kinds } from 'nostr-tools'
+
+/**
+ * Extracts profiles from metadata events
+ * @param pubkeys Array of npubs to check
+ * @returns ProfileMetadata
+ */
+export const useSigitProfiles = (
+  pubkeys: `npub1${string}`[]
+): { [key: string]: ProfileMetadata } => {
+  const [profileMetadata, setProfileMetadata] = useState<{
+    [key: string]: ProfileMetadata
+  }>({})
+
+  useEffect(() => {
+    if (pubkeys.length) {
+      const metadataController = new MetadataController()
+
+      // Remove duplicate keys
+      const users = new Set<string>([...pubkeys])
+
+      const handleMetadataEvent = (key: string) => (event: Event) => {
+        const metadataContent =
+          metadataController.extractProfileMetadataContent(event)
+
+        if (metadataContent) {
+          setProfileMetadata((prev) => ({
+            ...prev,
+            [key]: metadataContent
+          }))
+        }
+      }
+
+      users.forEach((user) => {
+        const hexKey = npubToHex(user)
+        if (hexKey && !(hexKey in profileMetadata)) {
+          metadataController.on(hexKey, (kind: number, event: Event) => {
+            if (kind === kinds.Metadata) {
+              handleMetadataEvent(hexKey)(event)
+            }
+          })
+
+          metadataController
+            .findMetadata(hexKey)
+            .then((metadataEvent) => {
+              if (metadataEvent) handleMetadataEvent(hexKey)(metadataEvent)
+            })
+            .catch((err) => {
+              console.error(
+                `error occurred in finding metadata for: ${user}`,
+                err
+              )
+            })
+        }
+      })
+
+      return () => {
+        users.forEach((key) => {
+          metadataController.off(key, handleMetadataEvent(key))
+        })
+      }
+    }
+  }, [pubkeys, profileMetadata])
+
+  return profileMetadata
+}

src/layouts/StickySideColumns.module.scss

@@ -0,0 +1,33 @@
+@import '../styles/colors.scss';
+@import '../styles/sizes.scss';
+
+.container {
+  display: grid;
+  grid-template-columns: 0.75fr 1.5fr 0.75fr;
+  grid-gap: 30px;
+  flex-grow: 1;
+}
+
+.sidesWrap {
+  position: relative;
+}
+
+.sides {
+  position: sticky;
+  top: $header-height + $body-vertical-padding;
+}
+
+.files {
+  display: flex;
+  flex-direction: column;
+  grid-gap: 15px;
+}
+.content {
+  padding: 10px;
+  border: 10px solid $overlay-background-color;
+  border-radius: 4px;
+
+  max-width: 590px;
+  width: 590px;
+  margin: 0 auto;
+}

src/layouts/StickySideColumns.tsx

@@ -0,0 +1,26 @@
+import { PropsWithChildren, ReactNode } from 'react'
+
+import styles from './StickySideColumns.module.scss'
+
+interface StickySideColumnsProps {
+  left?: ReactNode
+  right?: ReactNode
+}
+
+export const StickySideColumns = ({
+  left,
+  right,
+  children
+}: PropsWithChildren<StickySideColumnsProps>) => {
+  return (
+    <div className={styles.container}>
+      <div className={`${styles.sidesWrap} ${styles.files}`}>
+        <div className={styles.sides}>{left}</div>
+      </div>
+      <div className={styles.content}>{children}</div>
+      <div className={styles.sidesWrap}>
+        <div className={styles.sides}>{right}</div>
+      </div>
+    </div>
+  )
+}

src/pages/create/index.tsx

@@ -359,7 +359,8 @@ export const CreatePage = () => {
                 width: drawnField.width
               },
               npub: drawnField.counterpart,
-              pdfFileHash: fileHash
+              pdfFileHash: fileHash,
+              fileName: drawnPdf.file.name
             }
           })
         })
@@ -672,6 +673,7 @@ export const CreatePage = () => {
         return
       }
 
+      setLoadingSpinnerDesc('Encrypting zip file')
       const encryptedArrayBuffer = await encryptZipFile(
         arrayBuffer,
         encryptionKey

src/pages/sign/MarkFormField.tsx

@@ -1,37 +0,0 @@
-import { CurrentUserMark } from '../../types/mark.ts'
-import styles from './style.module.scss'
-import { Box, Button, TextField } from '@mui/material'
-
-import { MARK_TYPE_TRANSLATION } from '../../utils/const.ts'
-
-interface MarkFormFieldProps {
-  handleSubmit: (event: any) => void
-  handleChange: (event: any) => void
-  selectedMark: CurrentUserMark
-  selectedMarkValue: string
-}
-
-/**
- * Responsible for rendering a form field connected to a mark and keeping track of its value.
- */
-const MarkFormField = (props: MarkFormFieldProps) => {
-  const { handleSubmit, handleChange, selectedMark, selectedMarkValue } = props
-  const getSubmitButton = () => (selectedMark.isLast ? 'Complete' : 'Next')
-  return (
-    <div className={styles.fixedBottomForm}>
-      <Box component="form" onSubmit={handleSubmit}>
-        <TextField
-          id="mark-value"
-          label={MARK_TYPE_TRANSLATION[selectedMark.mark.type.valueOf()]}
-          value={selectedMarkValue}
-          onChange={handleChange}
-        />
-        <Button type="submit" variant="contained">
-          {getSubmitButton()}
-        </Button>
-      </Box>
-    </div>
-  )
-}
-
-export default MarkFormField

src/pages/sign/index.tsx

@@ -21,7 +21,7 @@ import {
   extractZipUrlAndEncryptionKey,
   generateEncryptionKey,
   generateKeysFile,
-  getFilesWithHashes,
+  getCurrentUserFiles,
   getHash,
   hexToNpub,
   isOnline,
@@ -48,6 +48,8 @@ import {
   updateMarks
 } from '../../utils'
 import PdfMarking from '../../components/PDFView/PdfMarking.tsx'
+import { getZipWithFiles } from '../../utils/file.ts'
+import { ARRAY_BUFFER, DEFLATE } from '../../utils/const.ts'
 enum SignedStatus {
   Fully_Signed,
   User_Is_Next_Signer,
@@ -219,6 +221,27 @@ export const SignPage = () => {
     }
   }, [meta, usersPubkey])
 
+  const handleDownload = async () => {
+    if (Object.entries(files).length === 0 || !meta || !usersPubkey) return
+    setLoadingSpinnerDesc('Generating file')
+    try {
+      const zip = await getZipWithFiles(meta, files)
+      const arrayBuffer = await zip.generateAsync({
+        type: ARRAY_BUFFER,
+        compression: DEFLATE,
+        compressionOptions: {
+          level: 6
+        }
+      })
+      if (!arrayBuffer) return
+      const blob = new Blob([arrayBuffer])
+      saveAs(blob, `exported-${unixNow()}.sigit.zip`)
+    } catch (error: any) {
+      console.log('error in zip:>> ', error)
+      toast.error(error.message || 'Error occurred in generating zip file')
+    }
+  }
+
   const decrypt = useCallback(
     async (file: File) => {
       setLoadingSpinnerDesc('Decrypting file')
@@ -929,11 +952,13 @@ export const SignPage = () => {
 
   return (
     <PdfMarking
-      files={getFilesWithHashes(files, currentFileHashes)}
+      files={getCurrentUserFiles(files, currentFileHashes, creatorFileHashes)}
       currentUserMarks={currentUserMarks}
       setIsReadyToSign={setIsReadyToSign}
       setCurrentUserMarks={setCurrentUserMarks}
       setUpdatedMarks={setUpdatedMarks}
+      handleDownload={handleDownload}
+      meta={meta}
     />
   )
 }

src/pages/sign/style.module.scss

@@ -2,8 +2,8 @@
 
 .container {
   color: $text-color;
-  width: 550px;
+  //width: 550px;
-  max-width: 550px;
+  //max-width: 550px;
 
   .inputBlock {
     position: relative;

src/pages/verify/index.tsx

@@ -1,42 +1,29 @@
-import {
+import { Box, Button, Divider, Tooltip, Typography } from '@mui/material'
-  Box,
-  Button,
-  List,
-  ListItem,
-  ListSubheader,
-  Tooltip,
-  Typography,
-  useTheme
-} from '@mui/material'
 import JSZip from 'jszip'
 import { MuiFileInput } from 'mui-file-input'
-import { Event, kinds, verifyEvent } from 'nostr-tools'
+import { Event, verifyEvent } from 'nostr-tools'
-import { useEffect, useState } from 'react'
+import { useEffect, useRef, useState } from 'react'
 import { toast } from 'react-toastify'
 import { LoadingSpinner } from '../../components/LoadingSpinner'
-import { UserAvatar } from '../../components/UserAvatar'
+import { NostrController } from '../../controllers'
-import { MetadataController, NostrController } from '../../controllers'
 import {
   CreateSignatureEventContent,
-  Meta,
+  DocSignatureEvent,
-  ProfileMetadata,
+  Meta
-  SignedEventContent
 } from '../../types'
 import {
   decryptArrayBuffer,
   extractMarksFromSignedMeta,
-  extractZipUrlAndEncryptionKey,
   getHash,
   hexToNpub,
   unixNow,
-  npubToHex,
   parseJson,
   readContentOfZipEntry,
+  signEventForMetaFile,
   shorten,
-  signEventForMetaFile
+  getCurrentUserFiles
 } from '../../utils'
 import styles from './style.module.scss'
-import { Cancel, CheckCircle } from '@mui/icons-material'
 import { useLocation } from 'react-router-dom'
 import axios from 'axios'
 import { PdfFile } from '../../types/drawing.ts'
@@ -44,71 +31,172 @@ import {
   addMarks,
   convertToPdfBlob,
   convertToPdfFile,
-  groupMarksByPage
+  groupMarksByFileNamePage,
+  inPx
 } from '../../utils/pdf.ts'
 import { State } from '../../store/rootReducer.ts'
 import { useSelector } from 'react-redux'
 import { getLastSignersSig } from '../../utils/sign.ts'
 import { saveAs } from 'file-saver'
 import { Container } from '../../components/Container'
+import { useSigitMeta } from '../../hooks/useSigitMeta.tsx'
+import { StickySideColumns } from '../../layouts/StickySideColumns.tsx'
+import { UsersDetails } from '../../components/UsersDetails.tsx/index.tsx'
+import { UserAvatar } from '../../components/UserAvatar/index.tsx'
+import { useSigitProfiles } from '../../hooks/useSigitProfiles.tsx'
+import { TooltipChild } from '../../components/TooltipChild.tsx'
+import FileList from '../../components/FileList'
+import { CurrentUserFile } from '../../types/file.ts'
+import { Mark } from '../../types/mark.ts'
+
+interface PdfViewProps {
+  files: CurrentUserFile[]
+  currentFile: CurrentUserFile | null
+  parsedSignatureEvents: {
+    [signer: `npub1${string}`]: DocSignatureEvent
+  }
+}
+
+const SlimPdfView = ({
+  files,
+  currentFile,
+  parsedSignatureEvents
+}: PdfViewProps) => {
+  const pdfRefs = useRef<(HTMLDivElement | null)[]>([])
+  useEffect(() => {
+    if (currentFile !== null && !!pdfRefs.current[currentFile.id]) {
+      pdfRefs.current[currentFile.id]?.scrollIntoView({
+        behavior: 'smooth',
+        block: 'end'
+      })
+    }
+  }, [currentFile])
+  return (
+    <div className={styles.view}>
+      {files.map((currentUserFile, i) => {
+        const { hash, filename, pdfFile, id } = currentUserFile
+        const signatureEvents = Object.keys(parsedSignatureEvents)
+        if (!hash) return
+        return (
+          <>
+            <div
+              id={filename}
+              ref={(el) => (pdfRefs.current[id] = el)}
+              key={filename}
+              className={styles.fileWrapper}
+            >
+              {pdfFile.pages.map((page, i) => {
+                const marks: Mark[] = []
+
+                signatureEvents.forEach((e) => {
+                  const m = parsedSignatureEvents[
+                    e as `npub1${string}`
+                  ].parsedContent?.marks.filter(
+                    (m) => m.pdfFileHash == hash && m.location.page == i
+                  )
+                  if (m) {
+                    marks.push(...m)
+                  }
+                })
+                return (
+                  <div className={styles.imageWrapper} key={i}>
+                    <img draggable="false" src={page.image} />
+                    {marks.map((m) => {
+                      return (
+                        <div
+                          className={styles.mark}
+                          key={m.id}
+                          style={{
+                            left: inPx(m.location.left),
+                            top: inPx(m.location.top),
+                            width: inPx(m.location.width),
+                            height: inPx(m.location.height)
+                          }}
+                        >
+                          {m.value}
+                        </div>
+                      )
+                    })}
+                  </div>
+                )
+              })}
+            </div>
+
+            {i < files.length - 1 && (
+              <Divider
+                sx={{
+                  fontSize: '12px',
+                  color: 'rgba(0,0,0,0.15)'
+                }}
+              >
+                File Separator
+              </Divider>
+            )}
+          </>
+        )
+      })}
+    </div>
+  )
+}
 
 export const VerifyPage = () => {
-  const theme = useTheme()
-  const textColor = theme.palette.getContrastText(
-    theme.palette.background.paper
-  )
-
   const location = useLocation()
   /**
    * uploadedZip will be received from home page when a user uploads a sigit zip wrapper that contains meta.json
    * meta will be received in navigation from create & home page in online mode
    */
-  const { uploadedZip, meta: metaInNavState } = location.state || {}
+  const { uploadedZip, meta } = location.state || {}
+
+  const {
+    submittedBy,
+    zipUrl,
+    encryptionKey,
+    signers,
+    viewers,
+    fileHashes,
+    parsedSignatureEvents
+  } = useSigitMeta(meta)
+
+  const profiles = useSigitProfiles([
+    ...(submittedBy ? [submittedBy] : []),
+    ...signers,
+    ...viewers
+  ])
 
   const [isLoading, setIsLoading] = useState(false)
   const [loadingSpinnerDesc, setLoadingSpinnerDesc] = useState('')
 
   const [selectedFile, setSelectedFile] = useState<File | null>(null)
-  const [meta, setMeta] = useState<Meta | null>(null)
 
-  const [submittedBy, setSubmittedBy] = useState<string>()
-
-  const [signers, setSigners] = useState<`npub1${string}`[]>([])
-  const [viewers, setViewers] = useState<`npub1${string}`[]>([])
-  const [creatorFileHashes, setCreatorFileHashes] = useState<{
-    [key: string]: string
-  }>({})
   const [currentFileHashes, setCurrentFileHashes] = useState<{
     [key: string]: string | null
   }>({})
   const [files, setFiles] = useState<{ [filename: string]: PdfFile }>({})
+  const [currentFile, setCurrentFile] = useState<CurrentUserFile | null>(null)
+  const [signatureFileHashes, setSignatureFileHashes] = useState<{
+    [key: string]: string
+  }>(fileHashes)
+
+  useEffect(() => {
+    setSignatureFileHashes(fileHashes)
+  }, [fileHashes])
+
+  useEffect(() => {
+    if (Object.entries(files).length > 0) {
+      const tmp = getCurrentUserFiles(files, fileHashes, signatureFileHashes)
+      setCurrentFile(tmp[0])
+    }
+  }, [signatureFileHashes, fileHashes, files])
 
-  const [metadata, setMetadata] = useState<{ [key: string]: ProfileMetadata }>(
-    {}
-  )
   const usersPubkey = useSelector((state: State) => state.auth.usersPubkey)
   const nostrController = NostrController.getInstance()
 
   useEffect(() => {
     if (uploadedZip) {
       setSelectedFile(uploadedZip)
-    } else if (metaInNavState) {
+    } else if (meta && encryptionKey) {
       const processSigit = async () => {
         setIsLoading(true)
-        setLoadingSpinnerDesc('Extracting zipUrl and encryption key from meta')
-
-        const res = await extractZipUrlAndEncryptionKey(metaInNavState)
-        if (!res) {
-          setIsLoading(false)
-          return
-        }
-
-        const {
-          zipUrl,
-          encryptionKey,
-          createSignatureEvent,
-          createSignatureContent
-        } = res
 
         setLoadingSpinnerDesc('Fetching file from file server')
         axios
@@ -175,12 +263,6 @@ export const VerifyPage = () => {
               setCurrentFileHashes(fileHashes)
               setFiles(files)
 
-              setSigners(createSignatureContent.signers)
-              setViewers(createSignatureContent.viewers)
-              setCreatorFileHashes(createSignatureContent.fileHashes)
-              setSubmittedBy(createSignatureEvent.pubkey)
-
-              setMeta(metaInNavState)
               setIsLoading(false)
             }
           })
@@ -197,49 +279,7 @@ export const VerifyPage = () => {
 
       processSigit()
     }
-  }, [uploadedZip, metaInNavState])
+  }, [encryptionKey, meta, uploadedZip, zipUrl])
-
-  useEffect(() => {
-    if (submittedBy) {
-      const metadataController = new MetadataController()
-
-      const users = [submittedBy, ...signers, ...viewers]
-
-      users.forEach((user) => {
-        const pubkey = npubToHex(user)!
-
-        if (!(pubkey in metadata)) {
-          const handleMetadataEvent = (event: Event) => {
-            const metadataContent =
-              metadataController.extractProfileMetadataContent(event)
-            if (metadataContent)
-              setMetadata((prev) => ({
-                ...prev,
-                [pubkey]: metadataContent
-              }))
-          }
-
-          metadataController.on(pubkey, (kind: number, event: Event) => {
-            if (kind === kinds.Metadata) {
-              handleMetadataEvent(event)
-            }
-          })
-
-          metadataController
-            .findMetadata(pubkey)
-            .then((metadataEvent) => {
-              if (metadataEvent) handleMetadataEvent(metadataEvent)
-            })
-            .catch((err) => {
-              console.error(
-                `error occurred in finding metadata for: ${user}`,
-                err
-              )
-            })
-        }
-      })
-    }
-  }, [submittedBy, signers, viewers, metadata])
 
   const handleVerify = async () => {
     if (!selectedFile) return
@@ -278,7 +318,6 @@ export const VerifyPage = () => {
       }
     }
 
-    console.log('fileHashes :>> ', fileHashes)
     setCurrentFileHashes(fileHashes)
 
     setLoadingSpinnerDesc('Parsing meta.json')
@@ -345,44 +384,9 @@ export const VerifyPage = () => {
 
     if (!createSignatureContent) return
 
-    setSigners(createSignatureContent.signers)
-    setViewers(createSignatureContent.viewers)
-    setCreatorFileHashes(createSignatureContent.fileHashes)
-    setSubmittedBy(createSignatureEvent.pubkey)
-
-    setMeta(parsedMetaJson)
     setIsLoading(false)
   }
 
-  const getPrevSignersSig = (npub: string) => {
-    if (!meta) return null
-
-    // if user is first signer then use creator's signature
-    if (signers[0] === npub) {
-      try {
-        const createSignatureEvent: Event = JSON.parse(meta.createSignature)
-        return createSignatureEvent.sig
-      } catch (error) {
-        return null
-      }
-    }
-
-    // find the index of signer
-    const currentSignerIndex = signers.findIndex((signer) => signer === npub)
-    // return null if could not found user in signer's list
-    if (currentSignerIndex === -1) return null
-    // find prev signer
-    const prevSigner = signers[currentSignerIndex - 1]
-
-    // get the signature of prev signer
-    try {
-      const prevSignersEvent: Event = JSON.parse(meta.docSignatures[prevSigner])
-      return prevSignersEvent.sig
-    } catch (error) {
-      return null
-    }
-  }
-
   const handleExport = async () => {
     if (Object.entries(files).length === 0 || !meta || !usersPubkey) return
 
@@ -398,8 +402,6 @@ export const VerifyPage = () => {
     setIsLoading(true)
     setLoadingSpinnerDesc('Signing nostr event')
 
-    if (!meta) return
-
     const prevSig = getLastSignersSig(meta, signers)
     if (!prevSig) return
 
@@ -419,12 +421,12 @@ export const VerifyPage = () => {
     zip.file('meta.json', stringifiedMeta)
 
     const marks = extractMarksFromSignedMeta(updatedMeta)
-    const marksByPage = groupMarksByPage(marks)
+    const marksByPage = groupMarksByFileNamePage(marks)
 
     for (const [fileName, pdf] of Object.entries(files)) {
-      const pages = await addMarks(pdf.file, marksByPage)
+      const pages = await addMarks(pdf.file, marksByPage[fileName])
       const blob = await convertToPdfBlob(pages)
-      zip.file(`/files/${fileName}`, blob)
+      zip.file(`files/${fileName}`, blob)
     }
 
     const arrayBuffer = await zip
@@ -450,76 +452,6 @@ export const VerifyPage = () => {
     setIsLoading(false)
   }
 
-  const displayUser = (pubkey: string, verifySignature = false) => {
-    const profile = metadata[pubkey]
-
-    let isValidSignature = false
-
-    if (verifySignature) {
-      const npub = hexToNpub(pubkey)
-      const signedEventString = meta ? meta.docSignatures[npub] : null
-      if (signedEventString) {
-        try {
-          const signedEvent = JSON.parse(signedEventString)
-          const isVerifiedEvent = verifyEvent(signedEvent)
-
-          if (isVerifiedEvent) {
-            // get the actual signature of prev signer
-            const prevSignersSig = getPrevSignersSig(npub)
-
-            // get the signature of prev signer from the content of current signers signedEvent
-
-            try {
-              const obj: SignedEventContent = JSON.parse(signedEvent.content)
-              if (
-                obj.prevSig &&
-                prevSignersSig &&
-                obj.prevSig === prevSignersSig
-              ) {
-                isValidSignature = true
-              }
-            } catch (error) {
-              isValidSignature = false
-            }
-          }
-        } catch (error) {
-          console.error(
-            `An error occurred in parsing and verifying the signature event for ${pubkey}`,
-            error
-          )
-        }
-      }
-    }
-
-    return (
-      <>
-        <UserAvatar
-          pubkey={pubkey}
-          name={
-            profile?.display_name || profile?.name || shorten(hexToNpub(pubkey))
-          }
-          image={profile?.picture}
-        />
-
-        {verifySignature && (
-          <>
-            {isValidSignature && (
-              <Tooltip title="Valid signature">
-                <CheckCircle sx={{ color: theme.palette.success.light }} />
-              </Tooltip>
-            )}
-
-            {!isValidSignature && (
-              <Tooltip title="Invalid signature">
-                <Cancel sx={{ color: theme.palette.error.main }} />
-              </Tooltip>
-            )}
-          </>
-        )}
-      </>
-    )
-  }
-
   const displayExportedBy = () => {
     if (!meta || !meta.exportSignature) return null
 
@@ -529,7 +461,24 @@ export const VerifyPage = () => {
       const exportSignatureEvent = JSON.parse(exportSignatureString) as Event
 
       if (verifyEvent(exportSignatureEvent)) {
-        return displayUser(exportSignatureEvent.pubkey)
+        const exportedBy = exportSignatureEvent.pubkey
+        const profile = profiles[exportedBy]
+        return (
+          <Tooltip
+            title={
+              profile?.display_name ||
+              profile?.name ||
+              shorten(hexToNpub(exportedBy))
+            }
+            placement="top"
+            arrow
+            disableInteractive
+          >
+            <TooltipChild>
+              <UserAvatar pubkey={exportedBy} image={profile?.picture} />
+            </TooltipChild>
+          </Tooltip>
+        )
       } else {
         toast.error(`Invalid export signature!`)
         return (
@@ -576,147 +525,36 @@ export const VerifyPage = () => {
         )}
 
         {meta && (
+          <StickySideColumns
+            left={
               <>
-            <List
+                {currentFile !== null && (
-              sx={{
+                  <FileList
-                bgcolor: 'background.paper',
+                    files={getCurrentUserFiles(
-                marginTop: 2
+                      files,
-              }}
+                      currentFileHashes,
-              subheader={
+                      signatureFileHashes
-                <ListSubheader className={styles.subHeader}>
+                    )}
-                  Meta Info
+                    currentFile={currentFile}
-                </ListSubheader>
+                    setCurrentFile={setCurrentFile}
-              }
+                    handleDownload={handleExport}
-            >
+                  />
-              {submittedBy && (
-                <ListItem
-                  sx={{
-                    marginTop: 1,
-                    gap: '15px'
-                  }}
-                >
-                  <Typography variant="h6" sx={{ color: textColor }}>
-                    Submitted By
-                  </Typography>
-                  {displayUser(submittedBy)}
-                </ListItem>
                 )}
-
-              <ListItem
-                sx={{
-                  marginTop: 1,
-                  gap: '15px'
-                }}
-              >
-                <Typography variant="h6" sx={{ color: textColor }}>
-                  Exported By
-                </Typography>
                 {displayExportedBy()}
-                <Box sx={{ mt: 1, display: 'flex', justifyContent: 'center' }}>
-                  <Button onClick={handleExport} variant="contained">
-                    Export Sigit
-                  </Button>
-                </Box>
-              </ListItem>
-
-              {signers.length > 0 && (
-                <ListItem
-                  sx={{
-                    marginTop: 1,
-                    flexDirection: 'column',
-                    alignItems: 'flex-start'
-                  }}
-                >
-                  <Typography variant="h6" sx={{ color: textColor }}>
-                    Signers
-                  </Typography>
-                  <ul className={styles.usersList}>
-                    {signers.map((signer) => (
-                      <li
-                        key={signer}
-                        style={{
-                          color: textColor,
-                          display: 'flex',
-                          alignItems: 'center',
-                          gap: '15px'
-                        }}
-                      >
-                        {displayUser(npubToHex(signer)!, true)}
-                      </li>
-                    ))}
-                  </ul>
-                </ListItem>
-              )}
-
-              {viewers.length > 0 && (
-                <ListItem
-                  sx={{
-                    marginTop: 1,
-                    flexDirection: 'column',
-                    alignItems: 'flex-start'
-                  }}
-                >
-                  <Typography variant="h6" sx={{ color: textColor }}>
-                    Viewers
-                  </Typography>
-                  <ul className={styles.usersList}>
-                    {viewers.map((viewer) => (
-                      <li key={viewer} style={{ color: textColor }}>
-                        {displayUser(npubToHex(viewer)!)}
-                      </li>
-                    ))}
-                  </ul>
-                </ListItem>
-              )}
-
-              <ListItem
-                sx={{
-                  marginTop: 1,
-                  flexDirection: 'column',
-                  alignItems: 'flex-start'
-                }}
-              >
-                <Typography variant="h6" sx={{ color: textColor }}>
-                  Files
-                </Typography>
-                <Box className={styles.filesWrapper}>
-                  {Object.entries(currentFileHashes).map(
-                    ([filename, hash], index) => {
-                      const isValidHash = creatorFileHashes[filename] === hash
-
-                      return (
-                        <Box key={`file-${index}`} className={styles.file}>
-                          <Typography
-                            component="label"
-                            sx={{
-                              color: textColor,
-                              flexGrow: 1
-                            }}
-                          >
-                            {filename}
-                          </Typography>
-                          {isValidHash && (
-                            <Tooltip title="File integrity check passed" arrow>
-                              <CheckCircle
-                                sx={{ color: theme.palette.success.light }}
-                              />
-                            </Tooltip>
-                          )}
-                          {!isValidHash && (
-                            <Tooltip title="File integrity check failed" arrow>
-                              <Cancel
-                                sx={{ color: theme.palette.error.main }}
-                              />
-                            </Tooltip>
-                          )}
-                        </Box>
-                      )
-                    }
-                  )}
-                </Box>
-              </ListItem>
-            </List>
               </>
+            }
+            right={<UsersDetails meta={meta} />}
+          >
+            <SlimPdfView
+              currentFile={currentFile}
+              files={getCurrentUserFiles(
+                files,
+                currentFileHashes,
+                signatureFileHashes
+              )}
+              parsedSignatureEvents={parsedSignatureEvents}
+            />
+          </StickySideColumns>
         )}
       </Container>
     </>

src/pages/verify/style.module.scss

@@ -50,3 +50,36 @@
     }
   }
 }
+
+.view {
+  width: 550px;
+  max-width: 550px;
+
+  display: flex;
+  flex-direction: column;
+  gap: 25px;
+}
+
+.imageWrapper {
+  position: relative;
+
+  img {
+    width: 100%;
+    display: block;
+  }
+}
+
+.fileWrapper {
+  display: flex;
+  flex-direction: column;
+  gap: 15px;
+}
+
+.mark {
+  position: absolute;
+  border: 1px dotted black;
+
+  display: flex;
+  justify-content: center;
+  align-items: center;
+}

src/types/core.ts

@@ -1,5 +1,6 @@
 import { Mark } from './mark'
 import { Keys } from '../store/auth/types'
+import { Event } from 'nostr-tools'
 
 export enum UserRole {
   signer = 'Signer',
@@ -44,3 +45,7 @@ export interface UserAppData {
   keyPair?: Keys // this key pair is used for blossom requests authentication
   blossomUrls: string[] // array for storing Urls for the files that stores all the sigits and processedGiftWraps on blossom
 }
+
+export interface DocSignatureEvent extends Event {
+  parsedContent?: SignedEventContent
+}

src/types/file.ts

@@ -0,0 +1,9 @@
+import { PdfFile } from './drawing.ts'
+
+export interface CurrentUserFile {
+  id: number
+  pdfFile: PdfFile
+  filename: string
+  hash?: string
+  isHashValid: boolean
+}

src/types/mark.ts

@@ -1,9 +1,11 @@
 import { MarkType } from './drawing'
 
 export interface CurrentUserMark {
+  id: number
   mark: Mark
   isLast: boolean
   isCompleted: boolean
+  currentValue?: string
 }
 
 export interface Mark {
@@ -12,6 +14,7 @@ export interface Mark {
   pdfFileHash: string
   type: MarkType
   location: MarkLocation
+  fileName: string
   value?: string
 }
 

src/utils/const.ts

@@ -4,6 +4,11 @@ export const EMPTY: string = ''
 export const MARK_TYPE_TRANSLATION: { [key: string]: string } = {
   [MarkType.FULLNAME.valueOf()]: 'Full Name'
 }
+export const SIGN: string = 'Sign'
+export const NEXT: string = 'Next'
+export const ARRAY_BUFFER = 'arraybuffer'
+export const DEFLATE = 'DEFLATE'
+
 /**
  * Number of milliseconds in one week.
  * Calc based on: 7 * 24 * 60 * 60 * 1000

src/utils/file.ts

@@ -0,0 +1,24 @@
+import { Meta } from '../types'
+import { extractMarksFromSignedMeta } from './mark.ts'
+import { addMarks, convertToPdfBlob, groupMarksByFileNamePage } from './pdf.ts'
+import JSZip from 'jszip'
+import { PdfFile } from '../types/drawing.ts'
+
+const getZipWithFiles = async (
+  meta: Meta,
+  files: { [filename: string]: PdfFile }
+): Promise<JSZip> => {
+  const zip = new JSZip()
+  const marks = extractMarksFromSignedMeta(meta)
+  const marksByFileNamePage = groupMarksByFileNamePage(marks)
+
+  for (const [fileName, pdf] of Object.entries(files)) {
+    const pages = await addMarks(pdf.file, marksByFileNamePage[fileName])
+    const blob = await convertToPdfBlob(pages)
+    zip.file(`files/${fileName}`, blob)
+  }
+
+  return zip
+}
+
+export { getZipWithFiles }

src/utils/mark.ts

@@ -2,6 +2,7 @@ import { CurrentUserMark, Mark } from '../types/mark.ts'
 import { hexToNpub } from './nostr.ts'
 import { Meta, SignedEventContent } from '../types'
 import { Event } from 'nostr-tools'
+import { EMPTY } from './const.ts'
 
 /**
  * Takes in an array of Marks already filtered by User.
@@ -15,13 +16,12 @@ const getCurrentUserMarks = (
 ): CurrentUserMark[] => {
   return marks.map((mark, index, arr) => {
     const signedMark = signedMetaMarks.find((m) => m.id === mark.id)
-    if (signedMark && !!signedMark.value) {
-      mark.value = signedMark.value
-    }
     return {
       mark,
+      currentValue: signedMark?.value ?? EMPTY,
+      id: index + 1,
       isLast: isLast(index, arr),
-      isCompleted: !!mark.value
+      isCompleted: !!signedMark?.value
     }
   })
 }
@@ -30,7 +30,7 @@ const getCurrentUserMarks = (
  * Returns next incomplete CurrentUserMark if there is one
  * @param usersMarks
  */
-const findNextCurrentUserMark = (
+const findNextIncompleteCurrentUserMark = (
   usersMarks: CurrentUserMark[]
 ): CurrentUserMark | undefined => {
   return usersMarks.find((mark) => !mark.isCompleted)
@@ -99,12 +99,42 @@ const updateCurrentUserMarks = (
 
 const isLast = <T>(index: number, arr: T[]) => index === arr.length - 1
 
+const isCurrentValueLast = (
+  currentUserMarks: CurrentUserMark[],
+  selectedMark: CurrentUserMark,
+  selectedMarkValue: string
+) => {
+  const filteredMarks = currentUserMarks.filter(
+    (mark) => mark.id !== selectedMark.id
+  )
+  return (
+    isCurrentUserMarksComplete(filteredMarks) && selectedMarkValue.length > 0
+  )
+}
+
+const getUpdatedMark = (
+  selectedMark: CurrentUserMark,
+  selectedMarkValue: string
+): CurrentUserMark => {
+  return {
+    ...selectedMark,
+    currentValue: selectedMarkValue,
+    isCompleted: !!selectedMarkValue,
+    mark: {
+      ...selectedMark.mark,
+      value: selectedMarkValue
+    }
+  }
+}
+
 export {
   getCurrentUserMarks,
   filterMarksByPubkey,
   extractMarksFromSignedMeta,
   isCurrentUserMarksComplete,
-  findNextCurrentUserMark,
+  findNextIncompleteCurrentUserMark,
   updateMarks,
-  updateCurrentUserMarks
+  updateCurrentUserMarks,
+  isCurrentValueLast,
+  getUpdatedMark
 }

src/utils/meta.ts

@@ -1,12 +1,14 @@
 import { CreateSignatureEventContent, Meta } from '../types'
 import { fromUnixTimestamp, parseJson } from '.'
-import { Event } from 'nostr-tools'
+import { Event, verifyEvent } from 'nostr-tools'
 import { toast } from 'react-toastify'
 
 export enum SignStatus {
   Signed = 'Signed',
+  Awaiting = 'Awaiting',
   Pending = 'Pending',
-  Invalid = 'Invalid Sign'
+  Invalid = 'Invalid',
+  Viewer = 'Viewer'
 }
 
 export enum SigitStatus {
@@ -62,38 +64,34 @@ function handleError(error: unknown): Error {
 
 // Reuse common error messages for meta parsing
 export enum SigitMetaParseErrorType {
-  'PARSE_ERROR_SIGNATURE_EVENT' = 'error occurred in parsing the create signature event',
+  'PARSE_ERROR_EVENT' = 'error occurred in parsing the create signature event',
   'PARSE_ERROR_SIGNATURE_EVENT_CONTENT' = "err in parsing the createSignature event's content"
 }
 
 export interface SigitCardDisplayInfo {
   createdAt?: number
   title?: string
-  submittedBy?: string
+  submittedBy?: `npub1${string}`
   signers: `npub1${string}`[]
   fileExtensions: string[]
   signedStatus: SigitStatus
+  isValid: boolean
 }
 
 /**
- * Wrapper for createSignatureEvent parse that throws custom SigitMetaParseError with cause and context
+ * Wrapper for event parser that throws custom SigitMetaParseError with cause and context
  * @param raw Raw string for parsing
  * @returns parsed Event
  */
-export const parseCreateSignatureEvent = async (
+export const parseNostrEvent = async (raw: string): Promise<Event> => {
-  raw: string
-): Promise<Event> => {
   try {
-    const createSignatureEvent = await parseJson<Event>(raw)
+    const event = await parseJson<Event>(raw)
-    return createSignatureEvent
+    return event
   } catch (error) {
-    throw new SigitMetaParseError(
+    throw new SigitMetaParseError(SigitMetaParseErrorType.PARSE_ERROR_EVENT, {
-      SigitMetaParseErrorType.PARSE_ERROR_SIGNATURE_EVENT,
-      {
       cause: handleError(error),
       context: raw
-      }
+    })
-    )
   }
 }
 
@@ -131,13 +129,14 @@ export const extractSigitCardDisplayInfo = async (meta: Meta) => {
   const sigitInfo: SigitCardDisplayInfo = {
     signers: [],
     fileExtensions: [],
-    signedStatus: SigitStatus.Partial
+    signedStatus: SigitStatus.Partial,
+    isValid: false
   }
 
   try {
-    const createSignatureEvent = await parseCreateSignatureEvent(
+    const createSignatureEvent = await parseNostrEvent(meta.createSignature)
-      meta.createSignature
+
-    )
+    sigitInfo.isValid = verifyEvent(createSignatureEvent)
 
     // created_at in nostr events are stored in seconds
     sigitInfo.createdAt = fromUnixTimestamp(createSignatureEvent.created_at)
@@ -147,13 +146,7 @@ export const extractSigitCardDisplayInfo = async (meta: Meta) => {
     )
 
     const files = Object.keys(createSignatureContent.fileHashes)
-    const extensions = files.reduce((result: string[], file: string) => {
+    const { extensions } = extractFileExtensions(files)
-      const extension = file.split('.').pop()
-      if (extension) {
-        result.push(extension)
-      }
-      return result
-    }, [])
 
     const signedBy = Object.keys(meta.docSignatures) as `npub1${string}`[]
     const isCompletelySigned = createSignatureContent.signers.every((signer) =>
@@ -161,7 +154,7 @@ export const extractSigitCardDisplayInfo = async (meta: Meta) => {
     )
 
     sigitInfo.title = createSignatureContent.title
-    sigitInfo.submittedBy = createSignatureEvent.pubkey
+    sigitInfo.submittedBy = createSignatureEvent.pubkey as `npub1${string}`
     sigitInfo.signers = createSignatureContent.signers
     sigitInfo.fileExtensions = extensions
 
@@ -179,3 +172,21 @@ export const extractSigitCardDisplayInfo = async (meta: Meta) => {
     }
   }
 }
+
+/**
+ * @param fileNames - List of filenames to check
+ * @returns List of extensions and if all are same
+ */
+export const extractFileExtensions = (fileNames: string[]) => {
+  const extensions = fileNames.reduce((result: string[], file: string) => {
+    const extension = file.split('.').pop()
+    if (extension) {
+      result.push(extension)
+    }
+    return result
+  }, [])
+
+  const isSame = extensions.every((ext) => ext === extensions[0])
+
+  return { extensions, isSame }
+}

src/utils/pdf.ts

@@ -71,14 +71,19 @@ const isPdf = (file: File) => file.type.toLowerCase().includes('pdf')
 /**
  * Reads the pdf file binaries
  */
-const readPdf = (file: File): Promise<string> => {
+const readPdf = (file: File): Promise<string | ArrayBuffer> => {
   return new Promise((resolve, reject) => {
     const reader = new FileReader()
 
-    reader.onload = (e: any) => {
+    reader.onload = (e) => {
-      const data = e.target.result
+      const data = e.target?.result
-
+      // Make sure we only resolve for string or ArrayBuffer type
+      // They are accepted by PDFJS.getDocument function
+      if (data && typeof data !== 'undefined') {
         resolve(data)
+      } else {
+        reject(new Error('File is null or undefined'))
+      }
     }
 
     reader.onerror = (err) => {
@@ -94,7 +99,7 @@ const readPdf = (file: File): Promise<string> => {
  * Converts pdf to the images
  * @param data pdf file bytes
  */
-const pdfToImages = async (data: any): Promise<PdfPage[]> => {
+const pdfToImages = async (data: string | ArrayBuffer): Promise<PdfPage[]> => {
   const images: string[] = []
   const pdf = await PDFJS.getDocument(data).promise
   const canvas = document.createElement('canvas')
@@ -142,7 +147,8 @@ const addMarks = async (
     canvas.width = viewport.width
     await page.render({ canvasContext: context!, viewport: viewport }).promise
 
-    marksPerPage[i].forEach((mark) => draw(mark, context!))
+    if (marksPerPage && Object.hasOwn(marksPerPage, i))
+      marksPerPage[i]?.forEach((mark) => draw(mark, context!))
 
     images.push(canvas.toDataURL())
   }
@@ -230,11 +236,11 @@ const convertToPdfFile = async (
  * @function scaleMark scales remaining marks in line with SCALE
  * @function byPage groups remaining Marks by their page marks.location.page
  */
-const groupMarksByPage = (marks: Mark[]) => {
+const groupMarksByFileNamePage = (marks: Mark[]) => {
   return marks
     .filter(hasValue)
     .map(scaleMark)
-    .reduce<{ [key: number]: Mark[] }>(byPage, {})
+    .reduce<{ [filename: string]: { [page: number]: Mark[] } }>(byPage, {})
 }
 
 /**
@@ -245,10 +251,21 @@ const groupMarksByPage = (marks: Mark[]) => {
  * @param obj - accumulator in the reducer callback
  * @param mark - current value, i.e. Mark being examined
  */
-const byPage = (obj: { [key: number]: Mark[] }, mark: Mark) => {
+const byPage = (
-  const key = mark.location.page
+  obj: { [filename: string]: { [page: number]: Mark[] } },
-  const curGroup = obj[key] ?? []
+  mark: Mark
-  return { ...obj, [key]: [...curGroup, mark] }
+) => {
+  const filename = mark.fileName
+  const pageNumber = mark.location.page
+  const pages = obj[filename] ?? {}
+  const marks = pages[pageNumber] ?? []
+  return {
+    ...obj,
+    [filename]: {
+      ...pages,
+      [pageNumber]: [...marks, mark]
+    }
+  }
 }
 
 export {
@@ -259,5 +276,5 @@ export {
   convertToPdfFile,
   addMarks,
   convertToPdfBlob,
-  groupMarksByPage
+  groupMarksByFileNamePage
 }

src/utils/utils.ts

@@ -1,4 +1,5 @@
 import { PdfFile } from '../types/drawing.ts'
+import { CurrentUserFile } from '../types/file.ts'
 
 export const compareObjects = (
   obj1: object | null | undefined,
@@ -71,12 +72,20 @@ export const timeout = (ms: number = 60000) => {
  * including its name, hash, and content
  * @param files
  * @param fileHashes
+ * @param creatorFileHashes
  */
-export const getFilesWithHashes = (
+export const getCurrentUserFiles = (
   files: { [filename: string]: PdfFile },
-  fileHashes: { [key: string]: string | null }
+  fileHashes: { [key: string]: string | null },
-) => {
+  creatorFileHashes: { [key: string]: string }
-  return Object.entries(files).map(([filename, pdfFile]) => {
+): CurrentUserFile[] => {
-    return { pdfFile, filename, hash: fileHashes[filename] }
+  return Object.entries(files).map(([filename, pdfFile], index) => {
+    return {
+      pdfFile,
+      filename,
+      id: index + 1,
+      ...(!!fileHashes[filename] && { hash: fileHashes[filename]! }),
+      isHashValid: creatorFileHashes[filename] === fileHashes[filename]
+    }
   })
 }