87 lines
2.6 KiB
TypeScript
87 lines
2.6 KiB
TypeScript
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import { useEffect, useState } from 'react'
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import { toast } from 'react-toastify'
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import { CreateSignatureEventContent, Meta } from '../types'
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import { parseJson, formatTimestamp } from '../utils'
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import { Event } from 'nostr-tools'
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export enum SignedStatus {
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Partial = 'In-Progress',
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Complete = 'Completed'
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}
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export const useSigitMeta = (meta: Meta) => {
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const [title, setTitle] = useState<string>()
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const [createdAt, setCreatedAt] = useState('')
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const [submittedBy, setSubmittedBy] = useState<string>()
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const [signers, setSigners] = useState<`npub1${string}`[]>([])
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const [signedStatus, setSignedStatus] = useState<SignedStatus>(
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SignedStatus.Partial
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)
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const [fileExtensions, setFileExtensions] = useState<string[]>([])
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useEffect(() => {
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const extractInfo = async () => {
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const createSignatureEvent = await parseJson<Event>(
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meta.createSignature
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).catch((err) => {
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console.log('err in parsing the createSignature event:>> ', err)
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toast.error(
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err.message || 'error occurred in parsing the create signature event'
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)
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return null
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})
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if (!createSignatureEvent) return
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// created_at in nostr events are stored in seconds
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// convert it to ms before formatting
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setCreatedAt(formatTimestamp(createSignatureEvent.created_at * 1000))
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const createSignatureContent =
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await parseJson<CreateSignatureEventContent>(
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createSignatureEvent.content
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).catch((err) => {
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console.log(
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`err in parsing the createSignature event's content :>> `,
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err
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)
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return null
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})
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if (!createSignatureContent) return
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const files = Object.keys(createSignatureContent.fileHashes)
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const extensions = files.reduce((result: string[], file: string) => {
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const extension = file.split('.').pop()
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if (extension) {
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result.push(extension)
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}
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return result
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}, [])
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setTitle(createSignatureContent.title)
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setSubmittedBy(createSignatureEvent.pubkey)
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setSigners(createSignatureContent.signers)
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setFileExtensions(extensions)
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const signedBy = Object.keys(meta.docSignatures) as `npub1${string}`[]
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const isCompletelySigned = createSignatureContent.signers.every(
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(signer) => signedBy.includes(signer)
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)
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if (isCompletelySigned) {
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setSignedStatus(SignedStatus.Complete)
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}
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}
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extractInfo()
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}, [meta])
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return {
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title,
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createdAt,
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submittedBy,
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signers,
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signedStatus,
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fileExtensions
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}
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}
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