讲解对象列表接入展厅分页接口

src/repositories/ExplainRepository.ts

@@ -1,6 +1,7 @@
 import type {
   ExplainBusinessUnit,
   ExplainGuideStop,
+  ExplainGuideStopPage,
   ExplainTrack,
   MuseumExhibit,
   MuseumHall,
@@ -27,6 +28,7 @@ export interface ExplainRepository {
   listHalls(): Promise<MuseumHall[]>
   getHallById(id: string): Promise<MuseumHall | null>
   listGuideStopsByHall(hallId: string): Promise<ExplainGuideStop[]>
+  listGuideStopsPageByHall(hallId: string, pageNo: number, pageSize: number): Promise<ExplainGuideStopPage>
   listGuideStopsByBusinessUnit(hallId: string, unitId: string): Promise<ExplainGuideStop[]>
   listTemporaryBusinessUnitsByHall(hallId: string): Promise<ExplainBusinessUnit[]>
   listTracks(): Promise<ExplainTrack[]>
@@ -73,7 +75,36 @@ export class DefaultExplainRepository implements ExplainRepository {
   }
 
   async listGuideStopsByHall(hallId: string) {
-    return this.explainContent.listGuideStopsByHall?.(hallId) || []
+    const pageSize = 100
+    const items: ExplainGuideStop[] = []
+    const seen = new Set<string>()
+    for (let pageNo = 1; ; pageNo += 1) {
+      const page = await this.listGuideStopsPageByHall(hallId, pageNo, pageSize)
+      page.items.forEach((item) => {
+        if (!seen.has(item.id)) {
+          seen.add(item.id)
+          items.push(item)
+        }
+      })
+      if (!page.hasMore || items.length >= page.total) return items
+    }
+  }
+
+  async listGuideStopsPageByHall(hallId: string, pageNo: number, pageSize: number) {
+    if (this.explainContent.listGuideStopsPageByHall) {
+      return this.explainContent.listGuideStopsPageByHall(hallId, pageNo, pageSize)
+    }
+    const items = await this.explainContent.listGuideStopsByHall?.(hallId) || []
+    const normalizedPageNo = Math.max(1, Math.floor(pageNo) || 1)
+    const normalizedPageSize = Math.max(1, Math.floor(pageSize) || 20)
+    const offset = (normalizedPageNo - 1) * normalizedPageSize
+    return {
+      items: items.slice(offset, offset + normalizedPageSize),
+      total: items.length,
+      pageNo: normalizedPageNo,
+      pageSize: normalizedPageSize,
+      hasMore: offset + normalizedPageSize < items.length
+    }
   }
 
   async listGuideStopsByBusinessUnit(hallId: string, unitId: string) {