2020-10-01 15:55:38 +00:00
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/* eslint-disable @typescript-eslint/no-unsafe-return */
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2020-05-18 22:44:45 +00:00
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2020-11-12 07:54:49 +00:00
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const IPNS_KEY = 'QmSdXtvzC8v8iTTZuj5cVmiugnzbR1QATYRcGix4bBsioP'
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2020-11-14 22:44:25 +00:00
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const RADIX = 20
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2020-11-12 07:54:49 +00:00
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2020-11-24 07:29:37 +00:00
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export abstract class ScoreInfo {
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abstract id: number;
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abstract title: string;
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2020-05-18 22:44:45 +00:00
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2020-11-24 07:29:37 +00:00
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abstract pageCount: number;
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abstract thumbnailUrl: string;
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2020-11-24 07:59:19 +00:00
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public store = new Map<symbol, any>();
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2020-11-24 07:29:37 +00:00
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get idLastDigit (): number {
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return (+this.id) % RADIX
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}
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get fileName (): string {
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return this.title.replace(/[\s<>:{}"/\\|?*~.\0\cA-\cZ]+/g, '_')
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}
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get msczIpfsRef (): string {
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return `/ipns/${IPNS_KEY}/${this.idLastDigit}/${this.id}.mscz`
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}
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get msczCidUrl (): string {
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return `https://ipfs.infura.io:5001/api/v0/block/stat?arg=${this.msczIpfsRef}`
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}
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2020-11-24 07:31:31 +00:00
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get sheetImgType (): 'svg' | 'png' {
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const thumbnail = this.thumbnailUrl
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const imgtype = thumbnail.match(/\.(\w+)$/)![1]
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return imgtype as 'svg' | 'png'
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}
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2020-11-24 07:29:37 +00:00
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}
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export class ScoreInfoInPage extends ScoreInfo {
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constructor (private document: Document) { super() }
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get id (): number {
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const el = this.document.querySelector("meta[property='al:ios:url']") as HTMLMetaElement
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2020-11-24 06:24:34 +00:00
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const m = el.content.match(/(\d+)$/) as RegExpMatchArray
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return +m[1]
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2020-11-24 07:29:37 +00:00
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}
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2020-05-18 22:44:45 +00:00
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2020-11-24 07:29:37 +00:00
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get title (): string {
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const el = this.document.querySelector("meta[property='og:title']") as HTMLMetaElement
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2020-11-24 06:24:34 +00:00
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return el.content
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2020-11-24 07:29:37 +00:00
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}
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2020-05-18 22:44:45 +00:00
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2020-11-24 07:29:37 +00:00
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get pageCount (): number {
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return this.document.querySelectorAll('.gXB83').length
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}
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2020-05-18 22:44:45 +00:00
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2020-11-24 07:29:37 +00:00
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get thumbnailUrl (): string {
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2020-11-24 07:10:56 +00:00
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// url to the image of the first page
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2020-11-24 07:31:31 +00:00
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const el = this.document.querySelector('link[as=image]') as HTMLLinkElement
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const url = el.href
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2020-11-24 07:10:56 +00:00
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return url.split('@')[0]
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2020-11-24 07:29:37 +00:00
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}
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2020-05-18 22:44:45 +00:00
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}
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