接入H5讲解后端数据闭环

src/repositories/ExplainRepository.ts

@@ -46,7 +46,7 @@ export class DefaultExplainRepository implements ExplainRepository {
   }
 
   getExhibitById(id: string) {
-    return this.content.getExhibitById(id)
+    return this.explainContent.getExhibitById?.(id) || this.content.getExhibitById(id)
   }
 
   listHalls() {
@@ -81,11 +81,43 @@ export class DefaultExplainRepository implements ExplainRepository {
   }
 
   async getTrackByExhibitId(exhibitId: string) {
+    const detail = await this.getExhibitById(exhibitId).catch(() => null)
+    if (detail) {
+      return {
+        id: `track-${detail.guideContentId || detail.id}`,
+        exhibitId: detail.id,
+        hallId: detail.hallId,
+        title: detail.guideTitle || trackTitleFor(detail),
+        summary: detail.guideText || detail.description,
+        mediaId: detail.audioUrl ? `media-${detail.guideContentId || detail.id}` : undefined,
+        coverImage: detail.image,
+        poiId: detail.poiId,
+        floorId: detail.floorId,
+        available: Boolean(detail.audioUrl) || detail.audioAvailable === true,
+        playTargetType: detail.playTargetType,
+        playTargetId: detail.playTargetId
+      }
+    }
+
     const tracks = await this.listTracks()
     return tracks.find((track) => track.exhibitId === exhibitId) || null
   }
 
   async searchExplain(keyword = '') {
+    if (this.explainContent.searchExplainExhibits) {
+      const exhibits = await this.explainContent.searchExplainExhibits(keyword)
+      return exhibits.map<SearchIndexItem>((exhibit) => ({
+        id: exhibit.id,
+        name: exhibit.name,
+        desc: `${exhibit.hallName || '展品讲解'} · ${exhibit.floorLabel || ''}`.trim(),
+        type: 'exhibit',
+        exhibitId: exhibit.id,
+        hallId: exhibit.hallId,
+        poiId: exhibit.poiId,
+        floorId: exhibit.floorId
+      }))
+    }
+
     const normalizedKeyword = keyword.trim().toLowerCase()
     const [exhibits, halls] = await Promise.all([
       this.explainContent.listExplainExhibits(),