feat(pdf markings): added drawing component, parsing pdfs and displaying in the UI

src/components/DrawPDFFields/index.tsx

@@ -1,27 +1,20 @@
-import { AccessTime, CalendarMonth, ExpandMore, Gesture, PictureAsPdf, Badge, Work } from '@mui/icons-material'
+import { AccessTime, CalendarMonth, ExpandMore, Gesture, PictureAsPdf, Badge, Work, Close } from '@mui/icons-material'
-import { Box, Typography, Accordion, AccordionDetails, AccordionSummary, CircularProgress } from '@mui/material'
+import { Box, Typography, Accordion, AccordionDetails, AccordionSummary, CircularProgress, FormControl, InputLabel, MenuItem, Select } from '@mui/material'
 import styles from './style.module.scss'
 import { useEffect, useState } from 'react'
 
 import * as PDFJS from "pdfjs-dist";
+import { ProfileMetadata, User } from '../../types';
+import { PdfFile, DrawTool, MouseState, PdfPage, DrawnField, MarkType } from '../../types/drawing';
+import { truncate } from 'lodash';
+import { hexToNpub } from '../../utils';
 PDFJS.GlobalWorkerOptions.workerSrc = 'node_modules/pdfjs-dist/build/pdf.worker.mjs';
 
 interface Props {
   selectedFiles: any[]
-}
+  users: User[]
-
+  metadata: { [key: string]: ProfileMetadata }
-interface PdfFile {
+  onDrawFieldsChange: (pdfFiles: PdfFile[]) => void
-  file: File,
-  pages: string[]
-  expanded?: boolean
-}
-
-interface DrawTool {
-  identifier: 'signature' | 'jobtitle' | 'fullname' | 'date' | 'datetime'
-  label: string
-  icon: JSX.Element,
-  defaultValue?: string
-  selected?: boolean
 }
 
 export const DrawPDFFields = (props: Props) => {
@@ -34,33 +27,42 @@ export const DrawPDFFields = (props: Props) => {
   const [selectedTool, setSelectedTool] = useState<DrawTool | null>()
   const [toolbox] = useState<DrawTool[]>([
     {
-      identifier: 'signature',
+      identifier: MarkType.SIGNATURE,
       icon: <Gesture/>,
-      label: 'Signature'
+      label: 'Signature',
+      active: false
   
     },
     {
-      identifier: 'fullname',
+      identifier: MarkType.FULLNAME,
       icon: <Badge/>,
-      label: 'Full Name'
+      label: 'Full Name',
+      active: true
     },
     {
-      identifier: 'jobtitle',
+      identifier: MarkType.JOBTITLE,
       icon: <Work/>,
-      label: 'Job Title'
+      label: 'Job Title',
+      active: false
     },
     {
-      identifier: 'date',
+      identifier: MarkType.DATE,
       icon: <CalendarMonth/>,
-      label: 'Date'
+      label: 'Date',
+      active: false
     },
     {
-      identifier: 'datetime',
+      identifier: MarkType.DATETIME,
       icon: <AccessTime/>,
-      label: 'Datetime'
+      label: 'Datetime',
+      active: false
     },
   ])
 
+  const [mouseState, setMouseState] = useState<MouseState>({
+    clicked: false
+  })
+
   useEffect(() => {
     if (selectedFiles) {
       setParsingPdf(true)
@@ -71,6 +73,188 @@ export const DrawPDFFields = (props: Props) => {
     }
   }, [selectedFiles])
 
+  useEffect(() => {
+    if (pdfFiles) props.onDrawFieldsChange(pdfFiles)
+  }, [pdfFiles])
+
+  /**
+   * Drawing events
+   */
+  useEffect(() => {  
+    // window.addEventListener('mousedown', onMouseDown);
+    window.addEventListener('mouseup', onMouseUp);
+    
+    return () => {
+      // window.removeEventListener('mousedown', onMouseDown);
+      window.removeEventListener('mouseup', onMouseUp);
+    }
+  }, [])
+
+  const refreshPdfFiles = () => {
+    setPdfFiles([...pdfFiles])
+  }
+
+  const onMouseDown = (event: any, 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'
+
+    if (!selectedTool || !isOverPdfImageWrapper) {
+      return
+    }
+
+    const { mouseX, mouseY } = getMouseCoordinates(event)
+
+    const newField: DrawnField = {
+      left: mouseX,
+      top: mouseY,
+      width: 0,
+      height: 0,
+      counterpart: '',
+      type: selectedTool.identifier
+    }
+
+    page.drawnFields.push(newField)
+
+    setMouseState((prev) => {
+      return {
+        ...prev,
+        clicked: true
+      }
+    })
+  }
+
+  const onMouseUp = (event: MouseEvent) => {
+    setMouseState((prev) => {
+      return {
+        ...prev,
+        clicked: false,
+        dragging: false,
+        resizing: false
+      }
+    })
+  }
+
+  const onMouseMove = (event: any, page: PdfPage) => {
+    if (mouseState.clicked && selectedTool) {
+      const lastElementIndex = page.drawnFields.length -1
+      const lastDrawnField = page.drawnFields[lastElementIndex]
+
+      const { mouseX, mouseY } = getMouseCoordinates(event)
+      
+      const width = mouseX - lastDrawnField.left
+      const height = mouseY - lastDrawnField.top
+
+      lastDrawnField.width = width
+      lastDrawnField.height = height
+
+      const currentDrawnFields = page.drawnFields
+
+      currentDrawnFields[lastElementIndex] = lastDrawnField
+      
+      refreshPdfFiles()
+    }
+  } 
+
+  const onDrawnFieldMouseDown = (event: any, drawnField: DrawnField) => {
+    event.stopPropagation()
+    
+    // Proceed only if left click
+    if (event.button !== 0) return
+
+    const drawingRectangleCoords = getMouseCoordinates(event)
+
+    setMouseState({
+      dragging: true,
+      clicked: false,
+      coordsInWrapper: {
+        mouseX: drawingRectangleCoords.mouseX,
+        mouseY: drawingRectangleCoords.mouseY
+      }
+    })
+  }
+
+  const onDranwFieldMouseMove = (event: any, drawnField: DrawnField) => {
+    if (mouseState.dragging) {
+      const { mouseX, mouseY, rect } = getMouseCoordinates(event, event.target.parentNode)
+      const coordsOffset = mouseState.coordsInWrapper
+
+      if (coordsOffset) {
+        let left = mouseX - coordsOffset.mouseX
+        let top = mouseY - coordsOffset.mouseY
+
+        const rightLimit = rect.width - drawnField.width - 3
+        const bottomLimit = rect.height - drawnField.height - 3
+
+        if (left < 0) left = 0
+        if (top < 0) top = 0
+        if (left > rightLimit) left = rightLimit
+        if (top > bottomLimit) top = bottomLimit
+
+        drawnField.left = left
+        drawnField.top = top
+
+        refreshPdfFiles()
+      }
+    }
+  }
+
+  const onResizeHandleMouseDown = (event: any, drawnField: DrawnField) => {
+    // Proceed only if left click
+    if (event.button !== 0) return
+
+    event.stopPropagation()
+
+    setMouseState({
+      resizing: true
+    })
+  }
+
+  const onResizeHandleMouseMove = (event: any, drawnField: DrawnField) => {
+    if (mouseState.resizing) {
+      const { mouseX, mouseY } = getMouseCoordinates(event, event.target.parentNode.parentNode)
+      
+      const width = mouseX - drawnField.left
+      const height = mouseY - drawnField.top
+
+      drawnField.width = width
+      drawnField.height = height
+
+      refreshPdfFiles()
+    }
+  }
+
+  const onRemoveHandleMouseDown = (event: any, pdfFileIndex: number, pdfPageIndex: number, drawnFileIndex: number) => {
+    event.stopPropagation()
+    
+    pdfFiles[pdfFileIndex].pages[pdfPageIndex].drawnFields.splice(drawnFileIndex, 1)
+  }
+
+  const onUserSelectHandleMouseDown = (event: any) => {
+    event.stopPropagation()
+  }
+
+  /**
+   * Gets the mouse coordinates relative to a element in the `event` param
+   * @param event MouseEvent
+   * @param customTarget mouse coordinates relative to this element, if not provided
+   * event.target will be used
+   */
+  const getMouseCoordinates = (event: any, customTarget?: any) => {
+    const target = customTarget ? customTarget : event.target
+    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.
+
+    return {
+      mouseX,
+      mouseY,
+      rect
+    }
+  }
+
   const parsePdfPages = async () => {
     const pdfFiles: PdfFile[] = []
 
@@ -81,7 +265,8 @@ export const DrawPDFFields = (props: Props) => {
 
         pdfFiles.push({
           file: file,
-          pages: pages
+          pages: pages,
+          expanded: false
         })
       }
     }
@@ -89,30 +274,11 @@ export const DrawPDFFields = (props: Props) => {
     setPdfFiles(pdfFiles)
   }
 
-  const getPdfPages = (pdfFile: PdfFile) => {
-    return (
-      <Box sx={{
-        width: '100%'
-      }}>
-        {pdfFile.pages.map((page: string) => {
-          return (
-            <div style={{
-              border: '1px solid #c4c4c4',
-              marginBottom: '10px'
-            }} className={`${styles.pdfImageWrapper} ${selectedTool ? styles.drawing : ''}`}>
-              <img draggable="false" style={{ width: '100%' }} src={page}/>
-            </div>
-          )
-        })}
-      </Box>
-    ) 
-  }
-
   /**
    * Converts pdf to the images
    * @param data pdf file bytes
    */
-  const pdfToImages = async (data: any): Promise<string[]> => {
+  const pdfToImages = async (data: any): Promise<PdfPage[]> => {
     const images: string[] = [];
     const pdf = await PDFJS.getDocument(data).promise;
     const canvas = document.createElement("canvas");
@@ -127,7 +293,12 @@ export const DrawPDFFields = (props: Props) => {
       images.push(canvas.toDataURL());
     }
   
-    return Promise.resolve(images)
+    return Promise.resolve(images.map((image) => {
+      return {
+        image,
+        drawnFields: []
+      }
+    }))
   }
   
   const readPdf = (file: File) => {
@@ -156,7 +327,7 @@ export const DrawPDFFields = (props: Props) => {
   const handleAccordionExpandChange = (expanded: boolean, pdfFile: PdfFile) => {
     pdfFile.expanded = expanded
 
-    setPdfFiles(pdfFiles)
+    refreshPdfFiles()
     setShowDrawToolBox(hasExpandedPdf())
   }
 
@@ -170,6 +341,91 @@ export const DrawPDFFields = (props: Props) => {
     setSelectedTool(drawTool)
   }
 
+  const getPdfPages = (pdfFile: PdfFile, pdfFileIndex: number) => {
+    return (
+      <Box sx={{
+        width: '100%'
+      }}>
+        {pdfFile.pages.map((page, pdfPageIndex: number) => {
+          return (
+            <div
+              key={pdfPageIndex}
+              style={{
+                border: '1px solid #c4c4c4',
+                marginBottom: '10px'
+              }}
+              className={`${styles.pdfImageWrapper} ${selectedTool ? styles.drawing : ''}`}
+              onMouseMove={(event) => {onMouseMove(event, page)}}
+              onMouseDown={(event) => {onMouseDown(event, page)}}
+            >
+              <img draggable="false" style={{ width: '100%' }} src={page.image}/>
+
+              {page.drawnFields.map((drawnField, drawnFieldIndex: number) => {
+                return (
+                  <div
+                    key={drawnFieldIndex}
+                    onMouseDown={(event) => { onDrawnFieldMouseDown(event, drawnField) }}
+                    onMouseMove={(event) => { onDranwFieldMouseMove(event, drawnField)}}
+                    className={styles.drawingRectangle}
+                    style={{
+                      left: `${drawnField.left}px`,
+                      top: `${drawnField.top}px`,
+                      width: `${drawnField.width}px`,
+                      height: `${drawnField.height}px`,
+                      pointerEvents: mouseState.clicked ? 'none' : 'all'
+                    }}
+                  >
+                    <span
+                      onMouseDown={(event) => {onResizeHandleMouseDown(event, drawnField)}}
+                      onMouseMove={(event) => {onResizeHandleMouseMove(event, drawnField)}}
+                      className={styles.resizeHandle}
+                    ></span>
+                    <span
+                      onMouseDown={(event) => {onRemoveHandleMouseDown(event, pdfFileIndex, pdfPageIndex, drawnFieldIndex)}}
+                      className={styles.removeHandle}
+                    >
+                      <Close fontSize='small'/>
+                    </span>
+                    <div 
+                      onMouseDown={(event) => {onUserSelectHandleMouseDown(event)}}
+                      className={styles.userSelect}
+                    >
+                      <FormControl fullWidth size='small'>
+                        <InputLabel id="counterparts">Counterpart</InputLabel>
+                        <Select
+                          value={drawnField.counterpart}
+                          onChange={(event) => { drawnField.counterpart = event.target.value; refreshPdfFiles() }}
+                          labelId="counterparts"
+                          label="Counterparts"
+                        >
+                          {props.users.map((user, index) => {
+                            let displayValue = truncate(hexToNpub(user.pubkey), {
+                              length: 16
+                            })
+
+                            const metadata = props.metadata[user.pubkey]
+
+                            if (metadata) {
+                              displayValue = truncate(metadata.name || metadata.display_name || metadata.username, {
+                                length: 16
+                              })
+                            }
+
+                            return <MenuItem key={index} value={hexToNpub(user.pubkey)}>{displayValue}</MenuItem>
+                          })}
+                        </Select>
+                      </FormControl>
+                    </div>
+                  </div>
+                )
+              })}
+            </div>
+          )
+        })}
+      </Box>
+    ) 
+  }
+
   if (parsingPdf) {
     return (
       <Box sx={{ width: '100%', textAlign: 'center' }}>
@@ -187,19 +443,19 @@ export const DrawPDFFields = (props: Props) => {
       <Box sx={{ mt: 1 }}>
         <Typography sx={{ mb: 1 }}>Draw fields on the PDFs:</Typography>
         
-        {pdfFiles.map((pdfFile) => {
+        {pdfFiles.map((pdfFile, pdfFileIndex: number) => {
           return (
-            <Accordion expanded={pdfFile.expanded} onChange={(_event, expanded) => {handleAccordionExpandChange(expanded, pdfFile)}}>
+            <Accordion key={pdfFileIndex} expanded={pdfFile.expanded} onChange={(_event, expanded) => {handleAccordionExpandChange(expanded, pdfFile)}}>
               <AccordionSummary
                 expandIcon={<ExpandMore />}
-                aria-controls="panel1-content"
+                aria-controls={`panel${pdfFileIndex}-content`}
-                id="panel1-header"
+                id={`panel${pdfFileIndex}header`}
               >
                 <PictureAsPdf sx={{ mr: 1 }}/>
                 {pdfFile.file.name}
               </AccordionSummary>
               <AccordionDetails>
-                {getPdfPages(pdfFile)}
+                {getPdfPages(pdfFile, pdfFileIndex)}
               </AccordionDetails>
           </Accordion>
           )
@@ -209,9 +465,11 @@ export const DrawPDFFields = (props: Props) => {
       {showDrawToolBox && (
         <Box className={styles.drawToolBoxContainer}>
           <Box className={styles.drawToolBox}>
-            {toolbox.map((drawTool: DrawTool) => {
+            {toolbox.filter(drawTool => drawTool.active).map((drawTool: DrawTool, index: number) => {
               return (
-                <Box onClick={() => {handleToolSelect(drawTool)}} className={`${styles.toolItem} ${selectedTool?.identifier === drawTool.identifier ? styles.selected : ''}`}>
+                <Box
+                  key={index} 
+                  onClick={() => {handleToolSelect(drawTool)}} className={`${styles.toolItem} ${selectedTool?.identifier === drawTool.identifier ? styles.selected : ''}`}>
                   { drawTool.icon }
                   { drawTool.label }
                 </Box>

src/components/DrawPDFFields/style.module.scss

@@ -48,7 +48,62 @@
 }
 
 .pdfImageWrapper {
+  position: relative;
+  user-select: none;
+  
   &.drawing {
     cursor: crosshair;
   }
 }
+
+.drawingRectangle {
+  position: absolute;
+  border: 1px solid #01aaad;
+  width: 40px;
+  height: 40px;
+  z-index: 50;
+  background-color: #01aaad4b;
+  cursor: pointer;
+  display: flex;
+  justify-content: center;
+
+  .resizeHandle {
+    position: absolute;
+    right: -5px;
+    bottom: -5px;
+    width: 10px;
+    height: 10px;
+    background-color: #fff;
+    border: 1px solid rgb(160, 160, 160);
+    border-radius: 50%;
+    cursor: pointer;
+  }
+
+  .removeHandle {
+    position: absolute;
+    display: flex;
+    justify-content: center;
+    align-items: center;
+    top: -30px;
+    width: 20px;
+    height: 20px;
+    background-color: #fff;
+    border: 1px solid rgb(160, 160, 160);
+    border-radius: 50%;
+    color: #E74C3C;
+    font-size: 10px;
+    cursor: pointer;
+  }
+
+  .userSelect {
+    position: absolute;
+    display: flex;
+    justify-content: center;
+    align-items: center;
+    bottom: -60px;
+    min-width: 170px;
+    min-height: 30px;
+    background: #fff;
+    padding: 5px 0;
+  }
+}

src/pages/create/index.tsx

@@ -52,6 +52,7 @@ import { useDrag, useDrop } from 'react-dnd'
 import saveAs from 'file-saver'
 import { Event, kinds } from 'nostr-tools'
 import { DrawPDFFields } from '../../components/DrawPDFFields'
+import { PdfFile } from '../../types/drawing'
 
 export const CreatePage = () => {
   const navigate = useNavigate()
@@ -76,6 +77,48 @@ export const CreatePage = () => {
 
   const nostrController = NostrController.getInstance()
 
+  const [metadata, setMetadata] = useState<{ [key: string]: ProfileMetadata }>(
+    {}
+  )
+
+  const [drawnPdfs, setDrawnPdfs] = useState<PdfFile[]>([])
+
+  useEffect(() => {
+    users.forEach((user) => {
+      if (!(user.pubkey in metadata)) {
+        const metadataController = new MetadataController()
+
+        const handleMetadataEvent = (event: Event) => {
+          const metadataContent =
+            metadataController.extractProfileMetadataContent(event)
+          if (metadataContent)
+            setMetadata((prev) => ({
+              ...prev,
+              [user.pubkey]: metadataContent
+            }))
+        }
+
+        metadataController.on(user.pubkey, (kind: number, event: Event) => {
+          if (kind === kinds.Metadata) {
+            handleMetadataEvent(event)
+          }
+        })
+
+        metadataController
+          .findMetadata(user.pubkey)
+          .then((metadataEvent) => {
+            if (metadataEvent) handleMetadataEvent(metadataEvent)
+          })
+          .catch((err) => {
+            console.error(
+              `error occurred in finding metadata for: ${user.pubkey}`,
+              err
+            )
+          })
+      }
+    })
+  }, [])
+
   useEffect(() => {
     if (uploadedFile) {
       setSelectedFiles([uploadedFile])
@@ -297,6 +340,8 @@ export const CreatePage = () => {
     const signers = users.filter((user) => user.role === UserRole.signer)
     const viewers = users.filter((user) => user.role === UserRole.viewer)
 
+    const markConfig = createMarkConfig(fileHashes)
+
     setLoadingSpinnerDesc('Signing nostr event')
 
     const createSignature = await signEventForMetaFile(
@@ -321,6 +366,28 @@ export const CreatePage = () => {
     }
   }
 
+  const createMarkConfig = (fileHashes: { [key: string]: string }) => {
+    let markConfig: any = {}
+    
+    drawnPdfs.forEach(drawnPdf => {
+      const fileHash = fileHashes[drawnPdf.file.name]
+
+      drawnPdf.pages.forEach((page, pageIndex) => {
+        page.drawnFields.forEach(drawnField => {
+          if (!markConfig[drawnField.counterpart]) markConfig[drawnField.counterpart] = {}
+          if (!markConfig[drawnField.counterpart][fileHash]) markConfig[drawnField.counterpart][fileHash] = []
+
+          markConfig[drawnField.counterpart][fileHash].push({
+            markType: drawnField.type,
+            markLocation: `P:${pageIndex};X:${drawnField.left};Y:${drawnField.top}`
+          })
+        })
+      })
+    })
+
+    return markConfig
+  }
+
   // Add metadata and file hashes to the zip file
   const addMetaToZip = async (
     zip: JSZip,
@@ -555,6 +622,10 @@ export const CreatePage = () => {
     navigate(appPrivateRoutes.sign, { state: { arrayBuffer } })
   }
 
+  const onDrawFieldsChange = (pdfFiles: PdfFile[]) => {
+    setDrawnPdfs(pdfFiles)
+  }
+
   if (authUrl) {
     return (
       <iframe
@@ -639,15 +710,21 @@ export const CreatePage = () => {
         </Box>
 
         <DisplayUser
+          metadata={metadata}
           users={users}
           handleUserRoleChange={handleUserRoleChange}
           handleRemoveUser={handleRemoveUser}
           moveSigner={moveSigner}
         />
 
-        <DrawPDFFields selectedFiles={selectedFiles}/>
+        <DrawPDFFields
+          metadata={metadata}
+          users={users}
+          selectedFiles={selectedFiles}
+          onDrawFieldsChange={onDrawFieldsChange}
+        />
 
-        <Box sx={{ mt: 1, display: 'flex', justifyContent: 'center' }}>
+        <Box sx={{ mt: 1, mb: 5, display: 'flex', justifyContent: 'center' }}>
           <Button onClick={handleCreate} variant="contained">
             Create
           </Button>
@@ -658,6 +735,7 @@ export const CreatePage = () => {
 }
 
 type DisplayUsersProps = {
+  metadata: { [key: string]: ProfileMetadata }
   users: User[]
   handleUserRoleChange: (role: UserRole, pubkey: string) => void
   handleRemoveUser: (pubkey: string) => void
@@ -665,51 +743,12 @@ type DisplayUsersProps = {
 }
 
 const DisplayUser = ({
+  metadata,
   users,
   handleUserRoleChange,
   handleRemoveUser,
   moveSigner
 }: DisplayUsersProps) => {
-  const [metadata, setMetadata] = useState<{ [key: string]: ProfileMetadata }>(
-    {}
-  )
-
-  useEffect(() => {
-    users.forEach((user) => {
-      if (!(user.pubkey in metadata)) {
-        const metadataController = new MetadataController()
-
-        const handleMetadataEvent = (event: Event) => {
-          const metadataContent =
-            metadataController.extractProfileMetadataContent(event)
-          if (metadataContent)
-            setMetadata((prev) => ({
-              ...prev,
-              [user.pubkey]: metadataContent
-            }))
-        }
-
-        metadataController.on(user.pubkey, (kind: number, event: Event) => {
-          if (kind === kinds.Metadata) {
-            handleMetadataEvent(event)
-          }
-        })
-
-        metadataController
-          .findMetadata(user.pubkey)
-          .then((metadataEvent) => {
-            if (metadataEvent) handleMetadataEvent(metadataEvent)
-          })
-          .catch((err) => {
-            console.error(
-              `error occurred in finding metadata for: ${user.pubkey}`,
-              err
-            )
-          })
-      }
-    })
-  }, [users])
-
   return (
     <TableContainer component={Paper} elevation={3} sx={{ marginTop: '20px' }}>
       <Table>

src/types/core.ts

@@ -1,3 +1,5 @@
+import { MarkConfig } from "./mark"
+
 export enum UserRole {
   signer = 'Signer',
   viewer = 'Viewer'
@@ -19,6 +21,7 @@ export interface CreateSignatureEventContent {
   signers: `npub1${string}`[]
   viewers: `npub1${string}`[]
   fileHashes: { [key: string]: string }
+  markConfig: MarkConfig
 }
 
 export interface SignedEventContent {

src/types/drawing.ts

@@ -0,0 +1,49 @@
+export interface MouseState {
+  clicked?: boolean
+  dragging?: boolean
+  resizing?: boolean
+  coordsInWrapper?: {
+    mouseX: number
+    mouseY: number
+  }
+}
+
+export interface PdfFile {
+  file: File,
+  pages: PdfPage[]
+  expanded?: boolean
+}
+
+export interface PdfPage {
+  image: string
+  drawnFields: DrawnField[]
+}
+
+export interface DrawnField {
+  left: number
+  top: number
+  width: number
+  height: number
+  type: MarkType
+  /**
+   * npub of a counter part
+   */
+  counterpart: string
+}
+
+export interface DrawTool {
+  identifier: MarkType
+  label: string
+  icon: JSX.Element,
+  defaultValue?: string
+  selected?: boolean
+  active?: boolean
+}
+
+export enum MarkType {
+  SIGNATURE = 'SIGNATURE',
+  JOBTITLE = 'JOBTITLE',
+  FULLNAME = 'FULLNAME',
+  DATE = 'DATE',
+  DATETIME = 'DATETIME'
+}

src/types/mark.ts

@@ -0,0 +1,97 @@
+import { MarkType } from "./drawing";
+
+export interface Mark {
+   /**
+   * @key png (pdf page) file hash
+   */
+   [key: string]: MarkConfigDetails[]
+}
+
+export interface MarkConfig {
+  /**
+   * @key user npub
+   */
+  [key: string]: User
+}
+
+export interface User {
+  /**
+   * @key png (pdf page) file hash
+   */
+  [key: string]: MarkConfigDetails[]
+}
+
+export interface MarkDetails {
+  /**
+   * @key coords in format X:10;Y:50
+   */
+  [key: string]: MarkValue
+}
+
+export interface MarkValue {
+  type: MarkType,
+  value: string
+}
+
+export interface MarkConfigDetails {
+  markType: MarkType;
+  /**
+   * Coordinates in format: X:10;Y:50
+   */
+  markLocation: string;
+}
+
+// Creator Meta Object Example
+const creatorMetaExample = {
+  "fileHashes": {
+    // PDF Hash
+    "Lorem ipsum dolor sit amet.pdf": "da5f857e77d3aa59c461efad804116931c059b36e6b4da0b5d9452753ec70c05",
+    // PDF Pages (in png format) hashes
+    // Page 1
+    "da5f857e77d3aa59c461efad804116931c059b36e6b4da0b5d9452753ec70c05/1.png": "hash123png1",
+    // Page 2
+    "da5f857e77d3aa59c461efad804116931c059b36e6b4da0b5d9452753ec70c05/2.png": "hash321png2"
+  },
+  "markConfig": {
+    // Signer npub
+    'npub1x77qywdllzetv9ncnhlfpv62kshlgtt0uqlsq3v22uzzkk2xvvrsn6uyfy': {
+        // PDF Page 1 (PNG file hash)
+        'hash123png1': [
+            {
+                markType: "FULLNAME",
+                markLocation: "X:56;Y:306"
+            }
+        ],
+        // PDF Page 2 (PNG file hash)
+        'hash321png2': [
+            {
+                markType: "FULLNAME",
+                markLocation: "X:76;Y:283.71875"
+            }
+        ]
+    }
+  }
+}
+
+// Signer meta example
+const signerExample = {
+  "prevSig": "10de030dd2bfafbbd34969645bd0b3f5e8ab71b3b32091fb29bbea5e272f8a3b7284ef667b6a02e9becc1036450d9fbe5c1c6d146fa91d70e0d8f3cd54d64f17",
+  "marks": {
+    // PDF Page 1 (PNG file hash)
+    'hash123png1': {
+      // Mark coordinates
+      "X:56;Y:306": {
+        type: 'FULLNAME',
+        value: 'Pera Peric'
+      }
+    },
+    // PDF Page 2 (PNG file hash)
+    'hash321png2': {
+      // Mark coordinates
+      "X:76;Y:283.71875": {
+        type: 'FULLNAME',
+        value: 'Pera Peric'
+      }
+    }
+  }
+}

src/types/profile.ts

@@ -1,6 +1,7 @@
 export interface ProfileMetadata {
   name?: string
   display_name?: string
+  username?: string
   picture?: string
   banner?: string
   about?: string