修复讲解详情接口并展示展厅统计

src/usecases/explainUseCase.ts

@@ -35,6 +35,9 @@ import {
 import {
   dataSourceConfig
 } from '@/config/dataSource'
+import {
+  normalizeExplainDetailTargetFromGuideStop
+} from '@/domain/explainDetailTarget'
 
 export interface ExplainAudioSelection {
   exhibit: MuseumExhibit
@@ -63,6 +66,12 @@ export interface ExhibitDetailAudioOptions {
   includeText?: boolean
 }
 
+export interface ExplainHallSummary {
+  hallId: string
+  businessUnitCount: number
+  guideStopCount: number
+}
+
 export class ExplainUseCase {
   constructor(
     private readonly explain: ExplainRepository = explainRepository,
@@ -355,14 +364,17 @@ export class ExplainUseCase {
 
   async enterExplainDetail(request: ExplainDetailEntryRequest) {
     const entryTarget = await this.resolveDetailEntryTarget(request)
+    const shouldLoadFallbackExhibit = entryTarget.targetType === 'ITEM'
     const [stopInfoResult, fallbackExhibit] = await Promise.all([
       this.audioPlayInfo.getStopInfo(entryTarget)
         .then((stopInfo) => ({ stopInfo, error: null }))
         .catch((error) => ({ stopInfo: null, error })),
-      this.explain.getExhibitById(request.exhibitId)
-        .catch(() => this.explain.listExplainExhibits()
-          .then((items) => items.find((item) => item.id === request.exhibitId) || null)
-          .catch(() => null))
+      shouldLoadFallbackExhibit
+        ? this.explain.getExhibitById(request.exhibitId)
+          .catch(() => this.explain.listExplainExhibits()
+            .then((items) => items.find((item) => item.id === request.exhibitId) || null)
+            .catch(() => null))
+        : Promise.resolve(null)
     ])
 
     if (stopInfoResult.stopInfo) {
@@ -419,6 +431,30 @@ export class ExplainUseCase {
     return this.listHalls()
   }
 
+  async loadExplainHallSummaries(hallIds: string[]): Promise<Record<string, ExplainHallSummary>> {
+    const uniqueHallIds = Array.from(new Set(hallIds.map((id) => id.trim()).filter(Boolean)))
+    const entries = await Promise.all(uniqueHallIds.map(async (hallId) => {
+      try {
+        const units = await this.loadTemporaryBusinessUnitsByHall(hallId)
+        const guideStopCount = units.reduce((total, unit) => total + unit.guideStopCount, 0)
+        return [hallId, {
+          hallId,
+          businessUnitCount: units.length,
+          guideStopCount
+        }] as const
+      } catch (error) {
+        console.warn('讲解展厅统计加载失败:', hallId, error)
+        return [hallId, {
+          hallId,
+          businessUnitCount: 0,
+          guideStopCount: 0
+        }] as const
+      }
+    }))
+
+    return Object.fromEntries(entries)
+  }
+
   getHallById(id: string) {
     return this.explain.getHallById(id)
   }
@@ -447,10 +483,11 @@ export class ExplainUseCase {
   }
 
   openGuideStopDetail(stopId: string) {
+    const target = normalizeExplainDetailTargetFromGuideStop({ id: stopId })
     return this.enterExplainDetail({
-      exhibitId: stopId,
-      targetType: 'STOP',
-      targetId: stopId
+      exhibitId: target.targetId,
+      targetType: target.targetType,
+      targetId: target.targetId
     })
   }