feat: align with upstream 1.5.9.9

server/services/durationValidationService.ts

@@ -0,0 +1,74 @@
+import { db } from '~/drizzle/db'
+import { songs } from '~/drizzle/schema'
+import { eq } from 'drizzle-orm'
+import { fetchSongDuration } from '~~/server/utils/songDurationFetcher'
+import {
+  decideDurationOutcome,
+  type SongDurationDecision
+} from '~~/server/utils/song-duration-policy'
+
+/** 后台批量补齐的并发数 */
+const BACKFILL_BATCH_SIZE = 5
+
+/**
+ * 投稿后处理时长：缺失则按音源补齐，已有则校验一致性
+ * 仅返回决策，写库由调用方负责
+ */
+export async function reconcileSongDurationOnSubmit(
+  songId: number,
+  platform: string | null,
+  musicId: string | null,
+  storedDurationSeconds: number | null
+): Promise<SongDurationDecision> {
+  if (!platform || !musicId) {
+    return { outcome: 'nocheck', durationSeconds: storedDurationSeconds }
+  }
+
+  try {
+    const actualDuration = await fetchSongDuration(platform, musicId)
+    const decision = decideDurationOutcome(storedDurationSeconds, actualDuration)
+    if (decision.outcome === 'clear') {
+      console.log(
+        `[投稿时长] #${songId} 时长不符 (提交: ${storedDurationSeconds}s, API: ${actualDuration}s)，清除durationSeconds`
+      )
+    }
+    return decision
+  } catch (error) {
+    // 外部接口异常时保留原值，不因为后台问题影响用户投稿
+    console.error(`[投稿时长] #${songId} 处理失败:`, error)
+    return { outcome: 'nocheck', durationSeconds: storedDurationSeconds }
+  }
+}
+
+export interface SongDurationBackfillRow {
+  id: number
+  musicPlatform: string | null
+  musicId: string | null
+}
+
+type BackfillableRow = SongDurationBackfillRow & { musicPlatform: string; musicId: string }
+
+/** 批量补齐缺失时长，单条失败不影响其余 */
+export async function backfillMissingSongDurations(rows: SongDurationBackfillRow[], label: string): Promise<void> {
+  const targets = rows.filter(
+    (row): row is BackfillableRow => Boolean(row.musicPlatform) && Boolean(row.musicId)
+  )
+
+  for (let i = 0; i < targets.length; i += BACKFILL_BATCH_SIZE) {
+    const batch = targets.slice(i, i + BACKFILL_BATCH_SIZE)
+    await Promise.all(
+      batch.map(async (row) => {
+        try {
+          const duration = await fetchSongDuration(row.musicPlatform, row.musicId)
+          if (duration === null) {
+            console.warn(`[${label}] 歌曲 #${row.id} 未获取到有效时长`)
+            return
+          }
+          await db.update(songs).set({ durationSeconds: duration }).where(eq(songs.id, row.id))
+        } catch (error) {
+          console.warn(`[${label}] 歌曲 #${row.id} 时长补齐失败:`, error)
+        }
+      })
+    )
+  }
+}