Archipelago — open-source initial import

aiui/packages/app/src/composables/useContentCollections.ts

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+import { ref } from 'vue'
+import type { FavoriteType } from '@/stores/favorites'
+
+const STORAGE_KEY = 'aiui-content-collections'
+
+export interface CollectionItem {
+  id: string
+  type: FavoriteType
+  title: string
+}
+
+export interface ContentCollection {
+  id: string
+  name: string
+  description: string
+  items: CollectionItem[]
+  createdAt: number
+  updatedAt: number
+}
+
+const collections = ref<ContentCollection[]>([])
+
+function load() {
+  try {
+    const stored = localStorage.getItem(STORAGE_KEY)
+    if (stored) collections.value = JSON.parse(stored)
+  } catch { /* ignore */ }
+}
+
+function save() {
+  localStorage.setItem(STORAGE_KEY, JSON.stringify(collections.value))
+}
+
+load()
+
+export function useContentCollections() {
+  function createCollection(name: string, description = ''): ContentCollection {
+    const collection: ContentCollection = {
+      id: crypto.randomUUID(),
+      name,
+      description,
+      items: [],
+      createdAt: Date.now(),
+      updatedAt: Date.now(),
+    }
+    collections.value.push(collection)
+    save()
+    return collection
+  }
+
+  function deleteCollection(id: string) {
+    collections.value = collections.value.filter(c => c.id !== id)
+    save()
+  }
+
+  function addToCollection(collectionId: string, item: CollectionItem) {
+    const collection = collections.value.find(c => c.id === collectionId)
+    if (!collection) return
+    if (collection.items.find(i => i.id === item.id)) return
+    collection.items.push(item)
+    collection.updatedAt = Date.now()
+    save()
+  }
+
+  function removeFromCollection(collectionId: string, itemId: string) {
+    const collection = collections.value.find(c => c.id === collectionId)
+    if (!collection) return
+    collection.items = collection.items.filter(i => i.id !== itemId)
+    collection.updatedAt = Date.now()
+    save()
+  }
+
+  function renameCollection(id: string, name: string) {
+    const collection = collections.value.find(c => c.id === id)
+    if (!collection) return
+    collection.name = name
+    collection.updatedAt = Date.now()
+    save()
+  }
+
+  return {
+    collections,
+    createCollection,
+    deleteCollection,
+    addToCollection,
+    removeFromCollection,
+    renameCollection,
+  }
+}