86 lines
2.1 KiB
JavaScript
86 lines
2.1 KiB
JavaScript
const memoryCards = require('../../data/memoryCards')
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const { chapterRoute } = require('../../utils/chapterRoute')
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const MEMORY_CARD_ID_PATTERN = /^S\d{2}-C\d{2}-MC\d{2}$/
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const INVALID_CARD_MESSAGE = '这回生活观察暂时没有找到。回到封面，还可以慢慢翻一回。'
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function normalizeCardId(value) {
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const raw = String(value || '').trim()
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if (!raw || raw.length > 64) return ''
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let decoded = raw
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try {
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decoded = decodeURIComponent(raw)
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} catch (error) {
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return ''
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}
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return MEMORY_CARD_ID_PATTERN.test(decoded) ? decoded : ''
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}
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function findReportCard(value) {
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const cardId = normalizeCardId(value)
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if (!cardId) return null
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return memoryCards.find((card) => card.cardId === cardId) || null
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}
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function twoDigits(value) {
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return String(value).padStart(2, '0')
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}
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Page({
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data: {
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reportCard: null,
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chapterLabel: '',
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invalidCard: false,
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invalidCardMessage: INVALID_CARD_MESSAGE,
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},
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onLoad(options = {}) {
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const reportCard = findReportCard(options.cardId)
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if (!reportCard) {
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this.setData({
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reportCard: null,
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chapterLabel: '',
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invalidCard: true,
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})
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return
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}
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this.setData({
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reportCard: { ...reportCard },
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chapterLabel: `第${twoDigits(reportCard.chapterNumber)}回`,
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invalidCard: false,
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})
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},
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backToChapter() {
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const reportCard = this.data.reportCard
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if (!reportCard || !reportCard.chapterNumber) {
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this.goHome()
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return
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}
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const pages = typeof getCurrentPages === 'function'
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? getCurrentPages()
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: []
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const previous = pages[pages.length - 2]
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if (
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previous
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&& String(previous.route || '').endsWith('/pages/chapter/chapter')
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&& typeof wx.navigateBack === 'function'
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) {
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wx.navigateBack({ delta: 1 })
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return
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}
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wx.navigateTo({
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url: chapterRoute(reportCard.chapterNumber),
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})
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},
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goHome() {
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const target = { url: '/pages/home/home' }
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if (typeof wx.reLaunch === 'function') {
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wx.reLaunch(target)
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return
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}
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wx.redirectTo(target)
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},
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})
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