修复馆内预览状态与点位展示

src/view-models/visitorPoiPresentation.ts

@@ -0,0 +1,52 @@
+import type { MuseumPoi } from '@/domain/museum'
+
+export type VisitorPoiPresentation = Readonly<{
+  displayName: string
+  floorLabel: string
+  locationHint: string
+}>
+
+const normalizeDisplayName = (name: string) => {
+  const normalized = name.trim().replace(/\s+/g, ' ')
+  const hallMatch = normalized.match(/^展厅\s*\d+\s*(.+厅)$/)
+  if (hallMatch?.[1]) return hallMatch[1]
+  return normalized.replace(/(卫生间|洗手间)(\d+)$/, '$1 $2')
+}
+
+type VisitorPoiSource = Pick<MuseumPoi, 'id' | 'name' | 'floorId' | 'floorLabel' | 'hallName'> & {
+  primaryCategory?: { label?: string }
+}
+
+const locationHintFor = (poi: VisitorPoiSource) => [
+  poi.floorLabel?.trim(),
+  poi.hallName?.trim(),
+  poi.primaryCategory?.label?.trim()
+].filter((value, index, values) => Boolean(value) && values.indexOf(value) === index).join(' · ')
+
+export const createVisitorPoiPresentations = <TPoi extends VisitorPoiSource>(pois: TPoi[]) => {
+  const baseNames = new Map<string, number>()
+  pois.forEach((poi) => {
+    const name = normalizeDisplayName(poi.name || '') || '未命名点位'
+    baseNames.set(name, (baseNames.get(name) || 0) + 1)
+  })
+
+  const duplicateIndexes = new Map<string, number>()
+  return new Map(pois.map((poi) => {
+    const baseName = normalizeDisplayName(poi.name || '') || '未命名点位'
+    const duplicateCount = baseNames.get(baseName) || 0
+    const nextIndex = (duplicateIndexes.get(baseName) || 0) + 1
+    duplicateIndexes.set(baseName, nextIndex)
+    const locationHint = locationHintFor(poi)
+    const disambiguation = duplicateCount > 1 ? (locationHint || `设施 ${nextIndex}`) : locationHint
+
+    return [poi.id, {
+      displayName: duplicateCount > 1 ? `${baseName} · ${disambiguation}` : baseName,
+      floorLabel: poi.floorLabel || poi.floorId,
+      locationHint: disambiguation
+    } satisfies VisitorPoiPresentation]
+  }))
+}
+
+export const presentVisitorPoi = <TPoi extends VisitorPoiSource>(poi: TPoi): VisitorPoiPresentation => (
+  createVisitorPoiPresentations([poi]).get(poi.id)!
+)