Update:Rename UserCollections to Collections

server/objects/Collection.js

@@ -0,0 +1,108 @@
+const Logger = require('../Logger')
+const { getId } = require('../utils/index')
+
+class Collection {
+  constructor(collection) {
+    this.id = null
+    this.libraryId = null
+    this.userId = null
+
+    this.name = null
+    this.description = null
+
+    this.cover = null
+    this.coverFullPath = null
+    this.books = []
+
+    this.lastUpdate = null
+    this.createdAt = null
+
+    if (collection) {
+      this.construct(collection)
+    }
+  }
+
+  toJSON() {
+    return {
+      id: this.id,
+      libraryId: this.libraryId,
+      userId: this.userId,
+      name: this.name,
+      description: this.description,
+      cover: this.cover,
+      coverFullPath: this.coverFullPath,
+      books: [...this.books],
+      lastUpdate: this.lastUpdate,
+      createdAt: this.createdAt
+    }
+  }
+
+  toJSONExpanded(libraryItems, minifiedBooks = false) {
+    var json = this.toJSON()
+    json.books = json.books.map(bookId => {
+      var _ab = libraryItems.find(li => li.id === bookId)
+      return _ab ? minifiedBooks ? _ab.toJSONMinified() : _ab.toJSONExpanded() : null
+    }).filter(b => !!b)
+    return json
+  }
+
+  construct(collection) {
+    this.id = collection.id
+    this.libraryId = collection.libraryId
+    this.userId = collection.userId
+    this.name = collection.name
+    this.description = collection.description || null
+    this.cover = collection.cover || null
+    this.coverFullPath = collection.coverFullPath || null
+    this.books = collection.books ? [...collection.books] : []
+    this.lastUpdate = collection.lastUpdate || null
+    this.createdAt = collection.createdAt || null
+  }
+
+  setData(data) {
+    if (!data.userId || !data.libraryId || !data.name) {
+      return false
+    }
+    this.id = getId('usr')
+    this.userId = data.userId
+    this.libraryId = data.libraryId
+    this.name = data.name
+    this.description = data.description || null
+    this.cover = data.cover || null
+    this.coverFullPath = data.coverFullPath || null
+    this.books = data.books ? [...data.books] : []
+    this.lastUpdate = Date.now()
+    this.createdAt = Date.now()
+    return true
+  }
+
+  addBook(bookId) {
+    this.books.push(bookId)
+    this.lastUpdate = Date.now()
+  }
+
+  removeBook(bookId) {
+    this.books = this.books.filter(bid => bid !== bookId)
+    this.lastUpdate = Date.now()
+  }
+
+  update(payload) {
+    let hasUpdates = false
+    for (const key in payload) {
+      if (key === 'books') {
+        if (payload.books && this.books.join(',') !== payload.books.join(',')) {
+          this.books = [...payload.books]
+          hasUpdates = true
+        }
+      } else if (this[key] !== undefined && this[key] !== payload[key]) {
+        hasUpdates = true
+        this[key] = payload[key]
+      }
+    }
+    if (hasUpdates) {
+      this.lastUpdate = Date.now()
+    }
+    return hasUpdates
+  }
+}
+module.exports = Collection