78 lines
2.2 KiB
JavaScript
78 lines
2.2 KiB
JavaScript
const admin = require('firebase-admin')
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const { FieldValue } = require('firebase-admin/firestore')
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const { onSchedule } = require('firebase-functions/v2/scheduler')
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const { refList } = require('../index')
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const firestore = refList.projects.firestore
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function buildMonthContext(referenceDate) {
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const current = referenceDate ? new Date(referenceDate) : new Date()
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current.setHours(0, 0, 0, 0)
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current.setDate(1)
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const target = new Date(current)
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target.setMonth(target.getMonth() - 1)
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const month = target.getMonth()
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const year = target.getFullYear()
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const monthKey = `${year}-${String(month + 1).padStart(2, '0')}`
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const rangeStart = new Date(year, month, 1, 0, 0, 0, 0)
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const rangeEnd = new Date(year, month + 1, 0, 23, 59, 59, 999)
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return {
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year,
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month: month + 1,
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monthKey,
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rangeStart,
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rangeEnd,
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}
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}
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exports.snapshotMonthlyTopSongs = onSchedule(
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{
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schedule: '5 0 1 * *',
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timeZone: 'Europe/Paris',
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},
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async (event) => {
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const { scheduleTime } = event
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const context = buildMonthContext(scheduleTime ? new Date(scheduleTime) : new Date())
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const topProjectsSnap = await refList.projects.orderBy('views', 'desc').limit(3).get()
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const topProjects = topProjectsSnap.docs.map((doc, index) => {
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const data = doc.data() || {}
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return {
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rank: index + 1,
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projectId: doc.id,
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title: data.title || null,
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userId: data.userId || null,
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userName: data.userName || null,
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coverUrl: data.coverUrl || null,
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songUrl: data.songUrl || null,
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views: data.views || 0,
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}
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})
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const docRef = firestore.collection('monthlyTopSongs').doc(context.monthKey)
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const existingSnapshot = await docRef.get()
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const payload = {
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monthKey: context.monthKey,
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month: context.month,
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year: context.year,
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range: {
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start: admin.firestore.Timestamp.fromDate(context.rangeStart),
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end: admin.firestore.Timestamp.fromDate(context.rangeEnd),
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},
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topProjects,
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totalProjects: topProjects.length,
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updatedAt: FieldValue.serverTimestamp(),
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}
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if (!existingSnapshot.exists) {
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payload.createdAt = FieldValue.serverTimestamp()
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}
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await docRef.set(payload, { merge: true })
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}
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)
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