133 lines
3.2 KiB
JavaScript
133 lines
3.2 KiB
JavaScript
import { castStringToSingleString, quoteUrl } from './utils'
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import { getIssuedDate } from './helpers'
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export class BaseView {
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constructor (dataPb) {
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Object.assign(this, dataPb)
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}
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getFilename () {
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const processedAuthor = castStringToSingleString((this.getFirstAuthors()).toLowerCase())
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const processedTitle = castStringToSingleString(this.getRobustTitle()).toLowerCase()
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const parts = []
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if (processedAuthor) {
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parts.push(processedAuthor)
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}
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if (processedTitle) {
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parts.push(processedTitle)
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}
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let filename = parts.join('-')
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if (!filename) {
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if (this.doi) {
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filename = quoteUrl(this.doi, '')
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} else {
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filename = this.md5
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}
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}
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const year = getIssuedDate(this.issuedDate)
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if (year) {
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filename = `${filename}-${year}`
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}
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filename = filename.replace(/-+/g, '-')
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return `${filename}.${this.extension}`
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}
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getExtension () {
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if (this.extension) {
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return this.extension
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} else {
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return 'pdf'
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}
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}
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getFirstAuthors (etAl = true, firstNAuthors = 1) {
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let etAlSuffix = ''
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if (etAl) {
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etAlSuffix = ' et al'
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}
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if (this.authorsList) {
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if (this.authorsList.length > firstNAuthors) {
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return this.authorsList.slice(0, firstNAuthors).join('; ') + etAlSuffix
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} else if (this.authorsList.length === 1) {
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if (this.authorsList[0].split(';').length - 1 >= 1) {
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const commaAuthors = this.authorsList[0].split(';').map(function (el) {
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return el.trim()
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})
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if (commaAuthors.length > firstNAuthors) {
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return (commaAuthors.slice(0, firstNAuthors)).join('; ') + etAlSuffix
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} else {
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return commaAuthors.join('; ')
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}
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}
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return this.authorsList[0]
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} else {
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return this.authorsList.join('; ')
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}
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} else {
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return ''
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}
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}
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getFormattedDatetime () {
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if (this.issuedAt) {
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const date = new Date(this.issuedAt * 1000)
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const today = new Date()
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const diffTime = Math.abs(date - today)
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const diffDays = Math.ceil(diffTime / (1000 * 60 * 60 * 24))
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if (diffDays < 365) {
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return `${date.getUTCFullYear()}.${date.getUTCMonth()}`
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} else {
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return date.getUTCFullYear()
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}
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}
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}
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getFormattedFiledata () {
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const parts = []
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if (this.language) {
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parts.push(this.language.toUpperCase())
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}
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parts.push(this.getExtension().toUpperCase())
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if (this.filesize) {
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parts.push(this.getFormattedFilesize())
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}
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return parts.join(' | ')
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}
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getFormattedFilesize () {
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if (this.filesize) {
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return (Math.max(1024, this.filesize) / (1024 * 1024)).toFixed(2) + 'Mb'
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}
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return ''
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}
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getIpfsMultihash () {
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if (this.ipfsMultihashesList) {
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return this.ipfsMultihashesList[0]
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}
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return ''
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}
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getTelegramLink () {
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return `https://t.me/libgen_scihub_bot?start=${Buffer.from('NID: ' + this.id.toString()).toString('base64')}`
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}
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getRobustTitle () {
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let result = this.title || ''
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if (this.volume) {
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if (this.title) {
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result += ` ${this.volume}`
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} else {
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result += this.volume
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}
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}
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return result
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}
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}
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