更新

2026-09-09 15:47:48 +08:00
parent bd5d5c5f08
commit cb10e75ead
98 changed files with 7031 additions and 804 deletions
@@ -0,0 +1,42 @@
+/** 合并聊天窗口的收发事件；每次同步只接受后端读取的云端消息，不上报客户端正文。 */
+export function createImChatArchiveTrigger(
+    syncPage: (params: { diagnosis_id: number; scope: 'current'; sync_token?: string }) => Promise<{
+        sync_token?: string; completed: boolean; errors?: string[]
+    }>,
+    onError: (error: unknown) => void = () => {}
+) {
+    const jobs = new Map<number, { again: boolean; promise: Promise<void> }>()
+    return (diagnosisId: number): Promise<void> => {
+        if (!Number.isInteger(diagnosisId) || diagnosisId <= 0) return Promise.resolve()
+        const pending = jobs.get(diagnosisId)
+        if (pending) {
+            pending.again = true
+            return pending.promise
+        }
+        const job = { again: false, promise: Promise.resolve() }
+        jobs.set(diagnosisId, job)
+        job.promise = (async () => {
+            try {
+                do {
+                    job.again = false
+                    let token: string | undefined
+                    for (;;) {
+                        const result = await syncPage({ diagnosis_id: diagnosisId, scope: 'current', sync_token: token })
+                        if (result.completed) {
+                            if (result.errors?.length) throw new Error(result.errors.join('；'))
+                            break
+                        }
+                        if (!result.sync_token) throw new Error('聊天记录同步未返回进度')
+                        token = result.sync_token
+                    }
+                    // 同步期间收到新消息时再追一次，覆盖新消息晚于本轮首页的情况。
+                } while (job.again)
+            } catch (error) {
+                onError(error)
+            } finally {
+                jobs.delete(diagnosisId)
+            }
+        })()
+        return job.promise
+    }
+}