99 lines
3.0 KiB
TypeScript
99 lines
3.0 KiB
TypeScript
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import { CurrentUserMark, Mark } from '../types/mark.ts'
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import { hexToNpub } from './nostr.ts'
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import { Meta, SignedEventContent } from '../types'
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import { Event } from 'nostr-tools'
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/**
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* Takes in an array of Marks already filtered by User.
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* Returns an array of CurrentUserMarks with correct values mix-and-matched.
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* @param marks - default Marks extracted from Meta
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* @param signedMetaMarks - signed user Marks extracted from DocSignatures
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*/
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const getCurrentUserMarks = (marks: Mark[], signedMetaMarks: Mark[]): CurrentUserMark[] => {
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return marks.map((mark, index, arr) => {
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const signedMark = signedMetaMarks.find((m) => m.id === mark.id);
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if (signedMark && !!signedMark.value) {
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mark.value = signedMark.value
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}
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return {
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mark,
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isLast: isLast(index, arr),
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isCompleted: !!mark.value
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}
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})
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}
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/**
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* Returns next incomplete CurrentUserMark if there is one
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* @param usersMarks
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*/
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const findNextCurrentUserMark = (usersMarks: CurrentUserMark[]): CurrentUserMark | undefined => {
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return usersMarks.find((mark) => !mark.isCompleted);
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}
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/**
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* Returns Marks that are assigned to a specific user
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* @param marks
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* @param pubkey
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*/
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const filterMarksByPubkey = (marks: Mark[], pubkey: string): Mark[] => {
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return marks.filter(mark => mark.npub === hexToNpub(pubkey))
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}
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/**
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* Takes Signed Doc Signatures part of Meta and extracts
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* all Marks into one flar array, regardless of the user.
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* @param meta
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*/
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const extractMarksFromSignedMeta = (meta: Meta): Mark[] => {
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return Object.values(meta.docSignatures)
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.map((val: string) => JSON.parse(val as string))
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.map((val: Event) => JSON.parse(val.content))
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.flatMap((val: SignedEventContent) => val.marks)
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}
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/**
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* Checks the CurrentUserMarks array that every element in that array has been
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* marked as complete.
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* @param currentUserMarks
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*/
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const isCurrentUserMarksComplete = (currentUserMarks: CurrentUserMark[]): boolean => {
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return currentUserMarks.every((mark) => mark.isCompleted)
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}
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/**
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* Inserts an updated mark into an existing array of marks. Returns a copy of the
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* existing array with a new value inserted
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* @param marks
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* @param markToUpdate
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*/
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const updateMarks = (marks: Mark[], markToUpdate: Mark): Mark[] => {
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const indexToUpdate = marks.findIndex(mark => mark.id === markToUpdate.id);
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return [
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...marks.slice(0, indexToUpdate),
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markToUpdate,
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...marks.slice(indexToUpdate + 1)
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]
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}
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const updateCurrentUserMarks = (currentUserMarks: CurrentUserMark[], markToUpdate: CurrentUserMark): CurrentUserMark[] => {
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const indexToUpdate = currentUserMarks.findIndex((m) => m.mark.id === markToUpdate.mark.id)
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return [
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...currentUserMarks.slice(0, indexToUpdate),
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markToUpdate,
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...currentUserMarks.slice(indexToUpdate + 1)
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]
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}
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const isLast = (index: number, arr: any[]) => (index === (arr.length -1))
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export {
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getCurrentUserMarks,
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filterMarksByPubkey,
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extractMarksFromSignedMeta,
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isCurrentUserMarksComplete,
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findNextCurrentUserMark,
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updateMarks,
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updateCurrentUserMarks,
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}
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