Signing Page - New Design #152
41
src/components/FileList/index.tsx
Normal file
41
src/components/FileList/index.tsx
Normal file
@ -0,0 +1,41 @@
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import { CurrentUserFile } from '../../types/file.ts'
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import styles from './style.module.scss'
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import { Button } from '@mui/material'
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interface FileListProps {
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files: CurrentUserFile[]
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currentFile: CurrentUserFile
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setCurrentFile: (file: CurrentUserFile) => void
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handleDownload: () => void
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}
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const FileList = ({
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files,
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currentFile,
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setCurrentFile,
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handleDownload
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}: FileListProps) => {
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const isActive = (file: CurrentUserFile) => file.id === currentFile.id
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return (
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<div className={styles.container}>
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<div className={styles.files}></div>
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<ul>
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{files.map((file: CurrentUserFile) => (
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<li
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key={file.id}
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className={`${styles.fileItem} ${isActive(file) && styles.active}`}
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onClick={() => setCurrentFile(file)}
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>
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<span className={styles.fileNumber}>{file.id}</span>
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<span className={styles.fileName}>{file.filename}</span>
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</li>
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))}
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</ul>
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<Button variant="contained" fullWidth onClick={handleDownload}>
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Download Files
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</Button>
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</div>
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)
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}
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export default FileList
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78
src/components/FileList/style.module.scss
Normal file
78
src/components/FileList/style.module.scss
Normal file
@ -0,0 +1,78 @@
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.container {
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border-radius: 4px;
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background: white;
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padding: 15px;
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display: flex;
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flex-direction: column;
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grid-gap: 0px;
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}
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.files {
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display: flex;
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flex-direction: column;
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width: 100%;
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grid-gap: 15px;
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max-height: 350px;
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overflow: auto;
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padding: 0 5px 0 0;
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margin: 0 -5px 0 0;
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}
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.files::-webkit-scrollbar {
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width: 10px;
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}
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.files::-webkit-scrollbar-track {
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background-color: rgba(0,0,0,0.15);
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}
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.files::-webkit-scrollbar-thumb {
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max-width: 10px;
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border-radius: 2px;
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background-color: #4c82a3;
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cursor: grab;
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}
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.fileItem {
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transition: ease 0.2s;
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display: flex;
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flex-direction: row;
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grid-gap: 10px;
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border-radius: 4px;
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overflow: hidden;
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background: #ffffff;
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padding: 5px 10px;
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align-items: center;
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color: rgba(0,0,0,0.5);
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cursor: pointer;
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flex-grow: 1;
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font-size: 16px;
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font-weight: 500;
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}
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.fileItem:hover {
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transition: ease 0.2s;
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background: #4c82a3;
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color: white;
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&.active {
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background: #4c82a3;
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color: white;
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}
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}
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.fileName {
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display: -webkit-box;
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-webkit-box-orient: vertical;
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overflow: hidden;
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-webkit-line-clamp: 1;
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}
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.fileNumber {
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font-size: 14px;
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font-weight: 500;
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display: flex;
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flex-direction: column;
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justify-content: center;
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align-items: center;
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}
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@ -1,24 +1,26 @@
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import PdfView from './index.tsx'
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import MarkFormField from '../MarkFormField'
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import { PdfFile } from '../../types/drawing.ts'
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import { CurrentUserMark, Mark } from '../../types/mark.ts'
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import React, { useState, useEffect } from 'react'
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import {
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findNextIncompleteCurrentUserMark,
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getUpdatedMark,
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isCurrentUserMarksComplete,
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updateCurrentUserMarks
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} from '../../utils'
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import { EMPTY } from '../../utils/const.ts'
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import { Container } from '../Container'
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import styles from '../../pages/sign/style.module.scss'
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import signPageStyles from '../../pages/sign/style.module.scss'
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import styles from './style.module.scss'
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import { CurrentUserFile } from '../../types/file.ts'
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import FileList from '../FileList'
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interface PdfMarkingProps {
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files: { pdfFile: PdfFile; filename: string; hash: string | null }[]
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files: CurrentUserFile[]
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currentUserMarks: CurrentUserMark[]
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setIsReadyToSign: (isReadyToSign: boolean) => void
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setCurrentUserMarks: (currentUserMarks: CurrentUserMark[]) => void
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setUpdatedMarks: (markToUpdate: Mark) => void
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handleDownload: () => void
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}
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/**
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@ -33,10 +35,12 @@ const PdfMarking = (props: PdfMarkingProps) => {
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currentUserMarks,
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setIsReadyToSign,
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setCurrentUserMarks,
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setUpdatedMarks
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setUpdatedMarks,
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handleDownload
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} = props
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const [selectedMark, setSelectedMark] = useState<CurrentUserMark | null>(null)
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const [selectedMarkValue, setSelectedMarkValue] = useState<string>('')
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const [currentFile, setCurrentFile] = useState<CurrentUserFile | null>(null)
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useEffect(() => {
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if (selectedMark === null && currentUserMarks.length > 0) {
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@ -47,6 +51,12 @@ const PdfMarking = (props: PdfMarkingProps) => {
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}
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}, [currentUserMarks, selectedMark])
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useEffect(() => {
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if (currentFile === null && files.length > 0) {
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setCurrentFile(files[0])
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}
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}, [files, currentFile])
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const handleMarkClick = (id: number) => {
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const nextMark = currentUserMarks.find((mark) => mark.mark.id === id)
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setSelectedMark(nextMark!)
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@ -101,16 +111,30 @@ const PdfMarking = (props: PdfMarkingProps) => {
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return (
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<>
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<Container className={styles.container}>
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{currentUserMarks?.length > 0 && (
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<PdfView
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files={files}
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handleMarkClick={handleMarkClick}
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selectedMarkValue={selectedMarkValue}
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selectedMark={selectedMark}
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currentUserMarks={currentUserMarks}
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/>
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)}
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<Container className={signPageStyles.container}>
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<div className={styles.container}>
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<div>
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{currentFile !== null && (
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<FileList
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files={files}
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currentFile={currentFile}
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setCurrentFile={setCurrentFile}
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handleDownload={handleDownload}
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/>
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)}
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</div>
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{currentUserMarks?.length > 0 && (
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<div className={styles.pdfView}>
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<PdfView
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files={files}
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handleMarkClick={handleMarkClick}
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selectedMarkValue={selectedMarkValue}
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selectedMark={selectedMark}
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currentUserMarks={currentUserMarks}
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/>
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</div>
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)}
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</div>
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{selectedMark !== null && (
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<MarkFormField
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handleSubmit={handleSubmit}
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@ -1,10 +1,10 @@
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import { PdfFile } from '../../types/drawing.ts'
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import { Box } from '@mui/material'
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import PdfItem from './PdfItem.tsx'
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import { CurrentUserMark } from '../../types/mark.ts'
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import { CurrentUserFile } from '../../types/file.ts'
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interface PdfViewProps {
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files: { pdfFile: PdfFile, filename: string, hash: string | null }[]
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files: CurrentUserFile[]
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currentUserMarks: CurrentUserMark[]
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handleMarkClick: (id: number) => void
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selectedMarkValue: string
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@ -14,29 +14,38 @@ interface PdfViewProps {
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/**
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* Responsible for rendering Pdf files.
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*/
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const PdfView = ({ files, currentUserMarks, handleMarkClick, selectedMarkValue, selectedMark }: PdfViewProps) => {
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const filterByFile = (currentUserMarks: CurrentUserMark[], hash: string): CurrentUserMark[] => {
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return currentUserMarks.filter((currentUserMark) => currentUserMark.mark.pdfFileHash === hash)
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const PdfView = ({
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files,
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currentUserMarks,
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handleMarkClick,
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selectedMarkValue,
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selectedMark
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}: PdfViewProps) => {
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const filterByFile = (
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currentUserMarks: CurrentUserMark[],
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hash: string
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): CurrentUserMark[] => {
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return currentUserMarks.filter(
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(currentUserMark) => currentUserMark.mark.pdfFileHash === hash
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)
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}
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return (
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<Box sx={{ width: '100%' }}>
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{
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files.map(({ pdfFile, hash }, i) => {
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if (!hash) return
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return (
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<PdfItem
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pdfFile={pdfFile}
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key={i}
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currentUserMarks={filterByFile(currentUserMarks, hash)}
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selectedMark={selectedMark}
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handleMarkClick={handleMarkClick}
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selectedMarkValue={selectedMarkValue}
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{files.map(({ pdfFile, hash }, i) => {
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if (!hash) return
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return (
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<PdfItem
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pdfFile={pdfFile}
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key={i}
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currentUserMarks={filterByFile(currentUserMarks, hash)}
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selectedMark={selectedMark}
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handleMarkClick={handleMarkClick}
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selectedMarkValue={selectedMarkValue}
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/>
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)
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})
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}
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)
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})}
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</Box>
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)
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}
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export default PdfView;
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export default PdfView
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@ -13,4 +13,17 @@
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max-width: 100%;
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max-height: 100%;
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object-fit: contain; /* Ensure the image fits within the container */
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}
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}
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.container {
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display: flex;
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width: 100%;
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flex-direction: column;
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}
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.pdfView {
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display: flex;
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flex-direction: column;
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width: 100%;
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height: 100%;
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}
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@ -16,13 +16,16 @@ import { State } from '../../store/rootReducer'
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import { CreateSignatureEventContent, Meta, SignedEvent } from '../../types'
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import {
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decryptArrayBuffer,
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encryptArrayBuffer, extractMarksFromSignedMeta,
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encryptArrayBuffer,
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extractMarksFromSignedMeta,
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extractZipUrlAndEncryptionKey,
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generateEncryptionKey,
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generateKeysFile, getFilesWithHashes,
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generateKeysFile,
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getCurrentUserFiles,
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getHash,
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hexToNpub,
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isOnline, loadZip,
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isOnline,
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loadZip,
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now,
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npubToHex,
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parseJson,
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@ -41,9 +44,12 @@ import { getLastSignersSig } from '../../utils/sign.ts'
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import {
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filterMarksByPubkey,
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getCurrentUserMarks,
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isCurrentUserMarksComplete, updateMarks
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isCurrentUserMarksComplete,
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updateMarks
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} from '../../utils'
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import PdfMarking from '../../components/PDFView/PdfMarking.tsx'
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import { getZipWithFiles } from '../../utils/file.ts'
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import { ARRAY_BUFFER, DEFLATE } from '../../utils/const.ts'
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enum SignedStatus {
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Fully_Signed,
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User_Is_Next_Signer,
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@ -81,7 +87,7 @@ export const SignPage = () => {
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const [signers, setSigners] = useState<`npub1${string}`[]>([])
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const [viewers, setViewers] = useState<`npub1${string}`[]>([])
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const [marks, setMarks] = useState<Mark[] >([])
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const [marks, setMarks] = useState<Mark[]>([])
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const [creatorFileHashes, setCreatorFileHashes] = useState<{
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[key: string]: string
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}>({})
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@ -100,8 +106,10 @@ export const SignPage = () => {
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const [authUrl, setAuthUrl] = useState<string>()
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const nostrController = NostrController.getInstance()
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const [currentUserMarks, setCurrentUserMarks] = useState<CurrentUserMark[]>([]);
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const [isReadyToSign, setIsReadyToSign] = useState(false);
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const [currentUserMarks, setCurrentUserMarks] = useState<CurrentUserMark[]>(
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[]
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)
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const [isReadyToSign, setIsReadyToSign] = useState(false)
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useEffect(() => {
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if (signers.length > 0) {
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@ -192,13 +200,16 @@ export const SignPage = () => {
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setViewers(createSignatureContent.viewers)
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setCreatorFileHashes(createSignatureContent.fileHashes)
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setSubmittedBy(createSignatureEvent.pubkey)
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setMarks(createSignatureContent.markConfig);
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setMarks(createSignatureContent.markConfig)
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if (usersPubkey) {
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const metaMarks = filterMarksByPubkey(createSignatureContent.markConfig, usersPubkey!)
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const metaMarks = filterMarksByPubkey(
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createSignatureContent.markConfig,
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usersPubkey!
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)
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const signedMarks = extractMarksFromSignedMeta(meta)
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const currentUserMarks = getCurrentUserMarks(metaMarks, signedMarks);
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setCurrentUserMarks(currentUserMarks);
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const currentUserMarks = getCurrentUserMarks(metaMarks, signedMarks)
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setCurrentUserMarks(currentUserMarks)
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// setCurrentUserMark(findNextCurrentUserMark(currentUserMarks) || null)
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setIsReadyToSign(isCurrentUserMarksComplete(currentUserMarks))
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}
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@ -307,7 +318,7 @@ export const SignPage = () => {
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)
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if (arrayBuffer) {
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files[fileName] = await convertToPdfFile(arrayBuffer, fileName);
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files[fileName] = await convertToPdfFile(arrayBuffer, fileName)
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const hash = await getHash(arrayBuffer)
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if (hash) {
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@ -348,7 +359,7 @@ export const SignPage = () => {
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const decrypt = async (file: File) => {
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setLoadingSpinnerDesc('Decrypting file')
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|
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const zip = await loadZip(file);
|
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const zip = await loadZip(file)
|
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if (!zip) return
|
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|
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const parsedKeysJson = await parseKeysJson(zip)
|
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@ -414,6 +425,27 @@ export const SignPage = () => {
|
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return null
|
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}
|
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|
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const handleDownload = async () => {
|
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if (Object.entries(files).length === 0 || !meta || !usersPubkey) return
|
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setLoadingSpinnerDesc('Generating file')
|
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try {
|
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const zip = await getZipWithFiles(meta, files)
|
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const arrayBuffer = await zip.generateAsync({
|
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type: ARRAY_BUFFER,
|
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compression: DEFLATE,
|
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compressionOptions: {
|
||||
level: 6
|
||||
}
|
||||
})
|
||||
if (!arrayBuffer) return
|
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const blob = new Blob([arrayBuffer])
|
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saveAs(blob, `exported-${now()}.sigit.zip`)
|
||||
} catch (error: any) {
|
||||
console.log('error in zip:>> ', error)
|
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toast.error(error.message || 'Error occurred in generating zip file')
|
||||
}
|
||||
}
|
||||
|
||||
const handleDecryptedArrayBuffer = async (arrayBuffer: ArrayBuffer) => {
|
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const decryptedZipFile = new File([arrayBuffer], 'decrypted.zip')
|
||||
|
||||
@ -439,7 +471,7 @@ export const SignPage = () => {
|
||||
)
|
||||
|
||||
if (arrayBuffer) {
|
||||
files[fileName] = await convertToPdfFile(arrayBuffer, fileName);
|
||||
files[fileName] = await convertToPdfFile(arrayBuffer, fileName)
|
||||
|
||||
const hash = await getHash(arrayBuffer)
|
||||
if (hash) {
|
||||
@ -520,7 +552,10 @@ export const SignPage = () => {
|
||||
}
|
||||
|
||||
// Sign the event for the meta file
|
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const signEventForMeta = async (signerContent: { prevSig: string, marks: Mark[] }) => {
|
||||
const signEventForMeta = async (signerContent: {
|
||||
prevSig: string
|
||||
marks: Mark[]
|
||||
}) => {
|
||||
return await signEventForMetaFile(
|
||||
JSON.stringify(signerContent),
|
||||
nostrController,
|
||||
@ -529,8 +564,8 @@ export const SignPage = () => {
|
||||
}
|
||||
|
||||
const getSignerMarksForMeta = (): Mark[] | undefined => {
|
||||
if (currentUserMarks.length === 0) return;
|
||||
return currentUserMarks.map(( { mark }: CurrentUserMark) => mark);
|
||||
if (currentUserMarks.length === 0) return
|
||||
return currentUserMarks.map(({ mark }: CurrentUserMark) => mark)
|
||||
}
|
||||
|
||||
// Update the meta signatures
|
||||
@ -600,13 +635,9 @@ export const SignPage = () => {
|
||||
|
||||
if (!arraybuffer) return null
|
||||
|
||||
return new File(
|
||||
[new Blob([arraybuffer])],
|
||||
`${unixNow}.sigit.zip`,
|
||||
{
|
||||
type: 'application/zip'
|
||||
}
|
||||
)
|
||||
return new File([new Blob([arraybuffer])], `${unixNow}.sigit.zip`, {
|
||||
type: 'application/zip'
|
||||
})
|
||||
}
|
||||
|
||||
// Handle errors during zip file generation
|
||||
@ -694,7 +725,7 @@ export const SignPage = () => {
|
||||
setIsLoading(true)
|
||||
setLoadingSpinnerDesc('Signing nostr event')
|
||||
|
||||
if (!meta) return;
|
||||
if (!meta) return
|
||||
|
||||
const prevSig = getLastSignersSig(meta, signers)
|
||||
if (!prevSig) return
|
||||
@ -918,11 +949,14 @@ export const SignPage = () => {
|
||||
)
|
||||
}
|
||||
|
||||
return <PdfMarking
|
||||
files={getFilesWithHashes(files, currentFileHashes)}
|
||||
currentUserMarks={currentUserMarks}
|
||||
setIsReadyToSign={setIsReadyToSign}
|
||||
setCurrentUserMarks={setCurrentUserMarks}
|
||||
setUpdatedMarks={setUpdatedMarks}
|
||||
/>
|
||||
return (
|
||||
<PdfMarking
|
||||
files={getCurrentUserFiles(files, currentFileHashes)}
|
||||
currentUserMarks={currentUserMarks}
|
||||
setIsReadyToSign={setIsReadyToSign}
|
||||
setCurrentUserMarks={setCurrentUserMarks}
|
||||
setUpdatedMarks={setUpdatedMarks}
|
||||
handleDownload={handleDownload}
|
||||
/>
|
||||
)
|
||||
}
|
||||
|
||||
@ -23,14 +23,17 @@ import {
|
||||
SignedEventContent
|
||||
} from '../../types'
|
||||
import {
|
||||
decryptArrayBuffer, extractMarksFromSignedMeta,
|
||||
decryptArrayBuffer,
|
||||
extractMarksFromSignedMeta,
|
||||
extractZipUrlAndEncryptionKey,
|
||||
getHash,
|
||||
hexToNpub, now,
|
||||
hexToNpub,
|
||||
now,
|
||||
npubToHex,
|
||||
parseJson,
|
||||
readContentOfZipEntry,
|
||||
shorten, signEventForMetaFile
|
||||
shorten,
|
||||
signEventForMetaFile
|
||||
} from '../../utils'
|
||||
import styles from './style.module.scss'
|
||||
import { Cancel, CheckCircle } from '@mui/icons-material'
|
||||
@ -41,7 +44,7 @@ import {
|
||||
addMarks,
|
||||
convertToPdfBlob,
|
||||
convertToPdfFile,
|
||||
groupMarksByPage,
|
||||
groupMarksByPage
|
||||
} from '../../utils/pdf.ts'
|
||||
import { State } from '../../store/rootReducer.ts'
|
||||
import { useSelector } from 'react-redux'
|
||||
@ -78,7 +81,7 @@ export const VerifyPage = () => {
|
||||
const [currentFileHashes, setCurrentFileHashes] = useState<{
|
||||
[key: string]: string | null
|
||||
}>({})
|
||||
const [files, setFiles] = useState<{ [filename: string]: PdfFile}>({})
|
||||
const [files, setFiles] = useState<{ [filename: string]: PdfFile }>({})
|
||||
|
||||
const [metadata, setMetadata] = useState<{ [key: string]: ProfileMetadata }>(
|
||||
{}
|
||||
@ -155,7 +158,10 @@ export const VerifyPage = () => {
|
||||
)
|
||||
|
||||
if (arrayBuffer) {
|
||||
files[fileName] = await convertToPdfFile(arrayBuffer, fileName!)
|
||||
files[fileName] = await convertToPdfFile(
|
||||
arrayBuffer,
|
||||
fileName!
|
||||
)
|
||||
const hash = await getHash(arrayBuffer)
|
||||
|
||||
if (hash) {
|
||||
@ -169,7 +175,6 @@ export const VerifyPage = () => {
|
||||
setCurrentFileHashes(fileHashes)
|
||||
setFiles(files)
|
||||
|
||||
|
||||
setSigners(createSignatureContent.signers)
|
||||
setViewers(createSignatureContent.viewers)
|
||||
setCreatorFileHashes(createSignatureContent.fileHashes)
|
||||
@ -177,8 +182,6 @@ export const VerifyPage = () => {
|
||||
|
||||
setMeta(metaInNavState)
|
||||
setIsLoading(false)
|
||||
|
||||
|
||||
}
|
||||
})
|
||||
.catch((err) => {
|
||||
@ -381,7 +384,7 @@ export const VerifyPage = () => {
|
||||
}
|
||||
|
||||
const handleExport = async () => {
|
||||
if (Object.entries(files).length === 0 ||!meta ||!usersPubkey) return;
|
||||
if (Object.entries(files).length === 0 || !meta || !usersPubkey) return
|
||||
|
||||
const usersNpub = hexToNpub(usersPubkey)
|
||||
if (
|
||||
@ -395,10 +398,8 @@ export const VerifyPage = () => {
|
||||
setIsLoading(true)
|
||||
setLoadingSpinnerDesc('Signing nostr event')
|
||||
|
||||
if (!meta) return;
|
||||
|
||||
const prevSig = getLastSignersSig(meta, signers)
|
||||
if (!prevSig) return;
|
||||
if (!prevSig) return
|
||||
|
||||
const signedEvent = await signEventForMetaFile(
|
||||
JSON.stringify({ prevSig }),
|
||||
@ -406,10 +407,10 @@ export const VerifyPage = () => {
|
||||
setIsLoading
|
||||
)
|
||||
|
||||
if (!signedEvent) return;
|
||||
if (!signedEvent) return
|
||||
|
||||
const exportSignature = JSON.stringify(signedEvent, null, 2)
|
||||
const updatedMeta = {...meta, exportSignature }
|
||||
const updatedMeta = { ...meta, exportSignature }
|
||||
const stringifiedMeta = JSON.stringify(updatedMeta, null, 2)
|
||||
|
||||
const zip = new JSZip()
|
||||
|
||||
8
src/types/file.ts
Normal file
8
src/types/file.ts
Normal file
@ -0,0 +1,8 @@
|
||||
import { PdfFile } from './drawing.ts'
|
||||
|
||||
export interface CurrentUserFile {
|
||||
id: number
|
||||
pdfFile: PdfFile
|
||||
filename: string
|
||||
hash?: string
|
||||
}
|
||||
@ -6,3 +6,5 @@ export const MARK_TYPE_TRANSLATION: { [key: string]: string } = {
|
||||
}
|
||||
export const SIGN: string = 'Sign'
|
||||
export const NEXT: string = 'Next'
|
||||
export const ARRAY_BUFFER = 'arraybuffer'
|
||||
export const DEFLATE = 'DEFLATE'
|
||||
|
||||
24
src/utils/file.ts
Normal file
24
src/utils/file.ts
Normal file
@ -0,0 +1,24 @@
|
||||
import { Meta } from '../types'
|
||||
import { extractMarksFromSignedMeta } from './mark.ts'
|
||||
import { addMarks, convertToPdfBlob, groupMarksByPage } 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 marksByPage = groupMarksByPage(marks)
|
||||
|
||||
for (const [fileName, pdf] of Object.entries(files)) {
|
||||
const pages = await addMarks(pdf.file, marksByPage)
|
||||
const blob = await convertToPdfBlob(pages)
|
||||
zip.file(`/files/${fileName}`, blob)
|
||||
}
|
||||
|
||||
return zip
|
||||
}
|
||||
|
||||
export { getZipWithFiles }
|
||||
143
src/utils/pdf.ts
143
src/utils/pdf.ts
@ -3,13 +3,14 @@ import * as PDFJS from 'pdfjs-dist'
|
||||
import { PDFDocument } from 'pdf-lib'
|
||||
import { Mark } from '../types/mark.ts'
|
||||
|
||||
PDFJS.GlobalWorkerOptions.workerSrc = 'node_modules/pdfjs-dist/build/pdf.worker.mjs';
|
||||
PDFJS.GlobalWorkerOptions.workerSrc =
|
||||
'node_modules/pdfjs-dist/build/pdf.worker.mjs'
|
||||
|
||||
/**
|
||||
* Scale between the PDF page's natural size and rendered size
|
||||
* @constant {number}
|
||||
*/
|
||||
const SCALE: number = 3;
|
||||
const SCALE: number = 3
|
||||
/**
|
||||
* Defined font size used when generating a PDF. Currently it is difficult to fully
|
||||
* correlate font size used at the time of filling in / drawing on the PDF
|
||||
@ -17,20 +18,20 @@ const SCALE: number = 3;
|
||||
* This should be fixed going forward.
|
||||
* Switching to PDF-Lib will most likely make this problem redundant.
|
||||
*/
|
||||
const FONT_SIZE: number = 40;
|
||||
const FONT_SIZE: number = 40
|
||||
/**
|
||||
* Current font type used when generating a PDF.
|
||||
*/
|
||||
const FONT_TYPE: string = 'Arial';
|
||||
const FONT_TYPE: string = 'Arial'
|
||||
|
||||
/**
|
||||
* Converts a PDF ArrayBuffer to a generic PDF File
|
||||
* @param arrayBuffer of a PDF
|
||||
* @param fileName identifier of the pdf file
|
||||
*/
|
||||
const toFile = (arrayBuffer: ArrayBuffer, fileName: string) : File => {
|
||||
const blob = new Blob([arrayBuffer], { type: "application/pdf" });
|
||||
return new File([blob], fileName, { type: "application/pdf" });
|
||||
const toFile = (arrayBuffer: ArrayBuffer, fileName: string): File => {
|
||||
const blob = new Blob([arrayBuffer], { type: 'application/pdf' })
|
||||
return new File([blob], fileName, { type: 'application/pdf' })
|
||||
}
|
||||
|
||||
/**
|
||||
@ -50,42 +51,40 @@ const toPdfFile = async (file: File): Promise<PdfFile> => {
|
||||
* @return PdfFile[] - an array of Sigit's internal Pdf File type
|
||||
*/
|
||||
const toPdfFiles = async (selectedFiles: File[]): Promise<PdfFile[]> => {
|
||||
return Promise.all(selectedFiles
|
||||
.filter(isPdf)
|
||||
.map(toPdfFile));
|
||||
return Promise.all(selectedFiles.filter(isPdf).map(toPdfFile))
|
||||
}
|
||||
|
||||
/**
|
||||
* A utility that transforms a drawing coordinate number into a CSS-compatible string
|
||||
* @param coordinate
|
||||
*/
|
||||
const inPx = (coordinate: number): string => `${coordinate}px`;
|
||||
const inPx = (coordinate: number): string => `${coordinate}px`
|
||||
|
||||
/**
|
||||
* A utility that checks if a given file is of the pdf type
|
||||
* @param file
|
||||
*/
|
||||
const isPdf = (file: File) => file.type.toLowerCase().includes('pdf');
|
||||
const isPdf = (file: File) => file.type.toLowerCase().includes('pdf')
|
||||
|
||||
/**
|
||||
* Reads the pdf file binaries
|
||||
*/
|
||||
const readPdf = (file: File): Promise<string> => {
|
||||
return new Promise((resolve, reject) => {
|
||||
const reader = new FileReader();
|
||||
const reader = new FileReader()
|
||||
|
||||
reader.onload = (e: any) => {
|
||||
const data = e.target.result
|
||||
|
||||
resolve(data)
|
||||
};
|
||||
}
|
||||
|
||||
reader.onerror = (err) => {
|
||||
console.error('err', err)
|
||||
reject(err)
|
||||
};
|
||||
}
|
||||
|
||||
reader.readAsDataURL(file);
|
||||
reader.readAsDataURL(file)
|
||||
})
|
||||
}
|
||||
|
||||
@ -94,26 +93,28 @@ const readPdf = (file: File): Promise<string> => {
|
||||
* @param data pdf file bytes
|
||||
*/
|
||||
const pdfToImages = async (data: any): Promise<PdfPage[]> => {
|
||||
const images: string[] = [];
|
||||
const pdf = await PDFJS.getDocument(data).promise;
|
||||
const canvas = document.createElement("canvas");
|
||||
const images: string[] = []
|
||||
const pdf = await PDFJS.getDocument(data).promise
|
||||
const canvas = document.createElement('canvas')
|
||||
|
||||
for (let i = 0; i < pdf.numPages; i++) {
|
||||
const page = await pdf.getPage(i + 1);
|
||||
const viewport = page.getViewport({ scale: SCALE });
|
||||
const context = canvas.getContext("2d");
|
||||
canvas.height = viewport.height;
|
||||
canvas.width = viewport.width;
|
||||
await page.render({ canvasContext: context!, viewport: viewport }).promise;
|
||||
images.push(canvas.toDataURL());
|
||||
const page = await pdf.getPage(i + 1)
|
||||
const viewport = page.getViewport({ scale: SCALE })
|
||||
const context = canvas.getContext('2d')
|
||||
canvas.height = viewport.height
|
||||
canvas.width = viewport.width
|
||||
await page.render({ canvasContext: context!, viewport: viewport }).promise
|
||||
images.push(canvas.toDataURL())
|
||||
}
|
||||
|
||||
return Promise.resolve(images.map((image) => {
|
||||
return {
|
||||
image,
|
||||
drawnFields: []
|
||||
}
|
||||
}))
|
||||
return Promise.resolve(
|
||||
images.map((image) => {
|
||||
return {
|
||||
image,
|
||||
drawnFields: []
|
||||
}
|
||||
})
|
||||
)
|
||||
}
|
||||
|
||||
/**
|
||||
@ -121,34 +122,37 @@ const pdfToImages = async (data: any): Promise<PdfPage[]> => {
|
||||
* Returns an array of encoded images where each image is a representation
|
||||
* of a PDF page with completed and signed marks from all users
|
||||
*/
|
||||
const addMarks = async (file: File, marksPerPage: {[key: string]: Mark[]}) => {
|
||||
const p = await readPdf(file);
|
||||
const pdf = await PDFJS.getDocument(p).promise;
|
||||
const canvas = document.createElement("canvas");
|
||||
const addMarks = async (
|
||||
file: File,
|
||||
marksPerPage: { [key: string]: Mark[] }
|
||||
) => {
|
||||
const p = await readPdf(file)
|
||||
const pdf = await PDFJS.getDocument(p).promise
|
||||
const canvas = document.createElement('canvas')
|
||||
|
||||
const images: string[] = [];
|
||||
const images: string[] = []
|
||||
|
||||
for (let i = 0; i< pdf.numPages; i++) {
|
||||
const page = await pdf.getPage(i+1)
|
||||
const viewport = page.getViewport({ scale: SCALE });
|
||||
const context = canvas.getContext("2d");
|
||||
canvas.height = viewport.height;
|
||||
canvas.width = viewport.width;
|
||||
await page.render({ canvasContext: context!, viewport: viewport }).promise;
|
||||
for (let i = 0; i < pdf.numPages; i++) {
|
||||
const page = await pdf.getPage(i + 1)
|
||||
const viewport = page.getViewport({ scale: SCALE })
|
||||
const context = canvas.getContext('2d')
|
||||
canvas.height = viewport.height
|
||||
canvas.width = viewport.width
|
||||
await page.render({ canvasContext: context!, viewport: viewport }).promise
|
||||
|
||||
marksPerPage[i].forEach(mark => draw(mark, context!))
|
||||
marksPerPage[i]?.forEach((mark) => draw(mark, context!))
|
||||
|
||||
images.push(canvas.toDataURL());
|
||||
images.push(canvas.toDataURL())
|
||||
}
|
||||
|
||||
return Promise.resolve(images);
|
||||
return Promise.resolve(images)
|
||||
}
|
||||
|
||||
/**
|
||||
* Utility to scale mark in line with the PDF-to-PNG scale
|
||||
*/
|
||||
const scaleMark = (mark: Mark): Mark => {
|
||||
const { location } = mark;
|
||||
const { location } = mark
|
||||
return {
|
||||
...mark,
|
||||
location: {
|
||||
@ -165,7 +169,7 @@ const scaleMark = (mark: Mark): Mark => {
|
||||
* Utility to check if a Mark has value
|
||||
* @param mark
|
||||
*/
|
||||
const hasValue = (mark: Mark): boolean => !!mark.value;
|
||||
const hasValue = (mark: Mark): boolean => !!mark.value
|
||||
|
||||
/**
|
||||
* Draws a Mark on a Canvas representation of a PDF Page
|
||||
@ -173,14 +177,14 @@ const hasValue = (mark: Mark): boolean => !!mark.value;
|
||||
* @param ctx a Canvas representation of a specific PDF Page
|
||||
*/
|
||||
const draw = (mark: Mark, ctx: CanvasRenderingContext2D) => {
|
||||
const { location } = mark;
|
||||
const { location } = mark
|
||||
|
||||
ctx!.font = FONT_SIZE + 'px ' + FONT_TYPE;
|
||||
ctx!.fillStyle = 'black';
|
||||
const textMetrics = ctx!.measureText(mark.value!);
|
||||
const textX = location.left + (location.width - textMetrics.width) / 2;
|
||||
const textY = location.top + (location.height + parseInt(ctx!.font)) / 2;
|
||||
ctx!.fillText(mark.value!, textX, textY);
|
||||
ctx!.font = FONT_SIZE + 'px ' + FONT_TYPE
|
||||
ctx!.fillStyle = 'black'
|
||||
const textMetrics = ctx!.measureText(mark.value!)
|
||||
const textX = location.left + (location.width - textMetrics.width) / 2
|
||||
const textY = location.top + (location.height + parseInt(ctx!.font)) / 2
|
||||
ctx!.fillText(mark.value!, textX, textY)
|
||||
}
|
||||
|
||||
/**
|
||||
@ -188,7 +192,7 @@ const draw = (mark: Mark, ctx: CanvasRenderingContext2D) => {
|
||||
* @param markedPdfPages
|
||||
*/
|
||||
const convertToPdfBlob = async (markedPdfPages: string[]): Promise<Blob> => {
|
||||
const pdfDoc = await PDFDocument.create();
|
||||
const pdfDoc = await PDFDocument.create()
|
||||
|
||||
for (const page of markedPdfPages) {
|
||||
const pngImage = await pdfDoc.embedPng(page)
|
||||
@ -203,7 +207,6 @@ const convertToPdfBlob = async (markedPdfPages: string[]): Promise<Blob> => {
|
||||
|
||||
const pdfBytes = await pdfDoc.save()
|
||||
return new Blob([pdfBytes], { type: 'application/pdf' })
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
@ -211,9 +214,12 @@ const convertToPdfBlob = async (markedPdfPages: string[]): Promise<Blob> => {
|
||||
* @param arrayBuffer
|
||||
* @param fileName
|
||||
*/
|
||||
const convertToPdfFile = async (arrayBuffer: ArrayBuffer, fileName: string): Promise<PdfFile> => {
|
||||
const file = toFile(arrayBuffer, fileName);
|
||||
return toPdfFile(file);
|
||||
const convertToPdfFile = async (
|
||||
arrayBuffer: ArrayBuffer,
|
||||
fileName: string
|
||||
): Promise<PdfFile> => {
|
||||
const file = toFile(arrayBuffer, fileName)
|
||||
return toPdfFile(file)
|
||||
}
|
||||
|
||||
/**
|
||||
@ -226,7 +232,7 @@ const groupMarksByPage = (marks: Mark[]) => {
|
||||
return marks
|
||||
.filter(hasValue)
|
||||
.map(scaleMark)
|
||||
.reduce<{[key: number]: Mark[]}>(byPage, {})
|
||||
.reduce<{ [key: number]: Mark[] }>(byPage, {})
|
||||
}
|
||||
|
||||
/**
|
||||
@ -237,11 +243,10 @@ 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 key = mark.location.page;
|
||||
const curGroup = obj[key] ?? [];
|
||||
return { ...obj, [key]: [...curGroup, mark]
|
||||
}
|
||||
const byPage = (obj: { [key: number]: Mark[] }, mark: Mark) => {
|
||||
const key = mark.location.page
|
||||
const curGroup = obj[key] ?? []
|
||||
return { ...obj, [key]: [...curGroup, mark] }
|
||||
}
|
||||
|
||||
export {
|
||||
@ -252,5 +257,5 @@ export {
|
||||
convertToPdfFile,
|
||||
addMarks,
|
||||
convertToPdfBlob,
|
||||
groupMarksByPage,
|
||||
}
|
||||
groupMarksByPage
|
||||
}
|
||||
|
||||
@ -1,4 +1,5 @@
|
||||
import { PdfFile } from '../types/drawing.ts'
|
||||
import { CurrentUserFile } from '../types/file.ts'
|
||||
|
||||
export const compareObjects = (
|
||||
obj1: object | null | undefined,
|
||||
@ -72,11 +73,16 @@ export const timeout = (ms: number = 60000) => {
|
||||
* @param files
|
||||
* @param fileHashes
|
||||
*/
|
||||
export const getFilesWithHashes = (
|
||||
files: { [filename: string ]: PdfFile },
|
||||
export const getCurrentUserFiles = (
|
||||
files: { [filename: string]: PdfFile },
|
||||
fileHashes: { [key: string]: string | null }
|
||||
) => {
|
||||
return Object.entries(files).map(([filename, pdfFile]) => {
|
||||
return { pdfFile, filename, hash: fileHashes[filename] }
|
||||
): CurrentUserFile[] => {
|
||||
return Object.entries(files).map(([filename, pdfFile], index) => {
|
||||
return {
|
||||
pdfFile,
|
||||
filename,
|
||||
id: index + 1,
|
||||
...(!!fileHashes[filename] && { hash: fileHashes[filename]! })
|
||||
}
|
||||
})
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user