New data model change of Book media type to include array of Audiobook and Ebook objects

server/objects/entities/EBook.js

@@ -0,0 +1,70 @@
+const EBookFile = require('../files/EBookFile')
+const { areEquivalent, copyValue } = require('../../utils/index')
+
+class EBook {
+  constructor(ebook) {
+    this.id = null
+    this.index = null
+    this.name = null
+    this.ebookFile = null
+    this.addedAt = null
+    this.updatedAt = null
+
+    if (ebook) {
+      this.construct(ebook)
+    }
+  }
+
+  construct(ebook) {
+    this.id = ebook.id
+    this.index = ebook.index
+    this.name = ebook.name
+    this.ebookFile = new EBookFile(ebook.ebookFile)
+    this.addedAt = ebook.addedAt
+    this.updatedAt = ebook.updatedAt
+  }
+
+  toJSON() {
+    return {
+      id: this.id,
+      index: this.index,
+      name: this.name,
+      ebookFile: this.ebookFile.toJSON(),
+      addedAt: this.addedAt,
+      updatedAt: this.updatedAt
+    }
+  }
+
+  toJSONMinified() {
+    return {
+      id: this.id,
+      index: this.index,
+      name: this.name,
+      ebookFormat: this.ebookFile.ebookFormat,
+      addedAt: this.addedAt,
+      updatedAt: this.updatedAt,
+      size: this.size
+    }
+  }
+
+  toJSONMinified() {
+    return {
+      id: this.id,
+      index: this.index,
+      name: this.name,
+      ebookFile: this.ebookFile.toJSON(),
+      addedAt: this.addedAt,
+      updatedAt: this.updatedAt,
+      size: this.size
+    }
+  }
+
+  get size() {
+    return this.ebookFile.metadata.size
+  }
+
+  findFileWithInode(inode) {
+    return this.ebookFile.ino === inode
+  }
+}
+module.exports = EBook