chore: 导入清理前的完整工程状态（含 Capacitor 原生壳，作为回滚备份点）

2026-10-21 11:50:10 +08:00
commit 8ded87a3a8
389 changed files with 52242 additions and 0 deletions
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+import type { Table } from 'dexie'
+import type { RecipeItem } from '~/types'
+
+import Dexie from 'dexie'
+
+export interface DbRecipeItem extends RecipeItem {
+  id?: number
+}
+
+interface RecipeMetaBase {
+  total: number
+  version: number
+}
+
+interface RecipeMetaSingle extends RecipeMetaBase {
+  chunked: false
+}
+
+interface RecipeMetaChunked extends RecipeMetaBase {
+  chunked: true
+  chunkSize: number
+  chunks: { index: number, hash: string, count: number, ids?: number[] }[]
+}
+
+type RecipeMeta = RecipeMetaSingle | RecipeMetaChunked
+
+const CHUNK_HASH_STORAGE_KEY = 'cook:chunk-hashes'
+
+// 预注册分片文件，Vite 会在构建时处理这些 glob 导入
+const chunkModules = import.meta.glob<{ default: RecipeItem[] }>('../../../../packages/data/recipe-chunk-*.json')
+
+export class MySubClassedDexie extends Dexie {
+  recipes!: Table<DbRecipeItem>
+
+  constructor() {
+    super('cook-db')
+    this.version(1).stores({
+      recipes: '++id, name, stuff, bv, difficulty, tags, methods, tools, link, description', // Primary key and indexed props
+    })
+  }
+}
+
+export const db = new MySubClassedDexie()
+
+/**
+ * 加载已记录的分片 hash（用于增量更新判断）
+ */
+function loadChunkHashes(): Record<string, string> {
+  try {
+    const raw = localStorage.getItem(CHUNK_HASH_STORAGE_KEY)
+    return raw ? JSON.parse(raw) : {}
+  }
+  catch {
+    return {}
+  }
+}
+
+/**
+ * 保存分片 hash 记录
+ */
+function saveChunkHashes(hashes: Record<string, string>) {
+  localStorage.setItem(CHUNK_HASH_STORAGE_KEY, JSON.stringify(hashes))
+}
+
+/**
+ * 主键使用 recipe.csv 的固定 id（旧数据没有 id 时退回到位置）；
+ * 菜谱删掉后 id 不再出现，收藏它的记录自然失效，其他菜谱的收藏不受影响
+ */
+function withId(item: RecipeItem, fallback: number): DbRecipeItem {
+  return { id: fallback, ...item }
+}
+
+/**
+ * 单文件模式：全量加载 recipe.json，先清空以去掉已删除的菜谱
+ */
+async function loadSingleFile() {
+  const { default: recipeData } = await import('@cook/data/recipe.json')
+
+  return db.transaction('rw', db.recipes, async () => {
+    await db.recipes.clear()
+    await db.recipes.bulkPut((recipeData as RecipeItem[]).map(withId))
+  })
+}
+
+/**
+ * 分片模式：增量加载变化的分片
+ */
+async function loadChunks(meta: RecipeMetaChunked) {
+  const savedHashes = loadChunkHashes()
+  const newHashes = { ...savedHashes }
+
+  // 找出需要加载的分片（hash 变化或新增的）
+  const chunksToLoad = meta.chunks.filter(
+    chunk => savedHashes[String(chunk.index)] !== chunk.hash,
+  )
+
+  if (chunksToLoad.length === 0) {
+    return
+  }
+
+  // 并行加载所有需要更新的分片
+  await Promise.all(
+    chunksToLoad.map(async (chunk) => {
+      const modulePath = `../../../../packages/data/recipe-chunk-${chunk.index}.json`
+      const loader = chunkModules[modulePath]
+      if (!loader) {
+        console.warn(`Chunk module not found: ${modulePath}`)
+        return
+      }
+
+      const { default: chunkData } = await loader()
+      const offset = chunk.index * meta.chunkSize
+
+      await db.recipes.bulkPut(
+        (chunkData as RecipeItem[]).map((item, i) => withId(item, offset + i)),
+      )
+
+      newHashes[String(chunk.index)] = chunk.hash
+    }),
+  )
+
+  // 删除已不在任何分片里的菜谱
+  if (meta.chunks.every(chunk => chunk.ids)) {
+    const valid = meta.chunks.flatMap(chunk => chunk.ids!)
+    const stale = await db.recipes.where(':id').noneOf(valid).primaryKeys()
+    await db.recipes.bulkDelete(stale)
+  }
+
+  saveChunkHashes(newHashes)
+}
+
+export async function initDb() {
+  const { default: meta } = await import('@cook/data/recipe-meta.json') as { default: RecipeMeta }
+
+  if (meta.chunked) {
+    return loadChunks(meta)
+  }
+  else {
+    return loadSingleFile()
+  }
+}