Files
musicland/functions/src/rankings.js
T
2026-01-12 16:01:32 +01:00

78 lines
2.2 KiB
JavaScript

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