Start of new data model

server/objects/metadata/BookMetadata.js

@@ -0,0 +1,56 @@
+class BookMetadata {
+  constructor(metadata) {
+    this.title = null
+    this.subtitle = null
+    this.authors = []
+    this.narrators = []  // Array of strings
+    this.series = []
+    this.genres = [] // Array of strings
+    this.publishedYear = null
+    this.publishedDate = null
+    this.publisher = null
+    this.description = null
+    this.isbn = null
+    this.asin = null
+    this.language = null
+
+    if (metadata) {
+      this.construct(metadata)
+    }
+  }
+
+  construct(metadata) {
+    this.title = metadata.title
+    this.subtitle = metadata.subtitle
+    this.authors = metadata.authors.map(a => ({ ...a }))
+    this.narrators = [...metadata.narrators]
+    this.series = metadata.series.map(s => ({ ...s }))
+    this.genres = [...metadata.genres]
+    this.publishedYear = metadata.publishedYear
+    this.publishedDate = metadata.publishedDate
+    this.publisher = metadata.publisher
+    this.description = metadata.description
+    this.isbn = metadata.isbn
+    this.asin = metadata.asin
+    this.language = metadata.language
+  }
+
+  toJSON() {
+    return {
+      title: this.title,
+      subtitle: this.subtitle,
+      authors: this.authors.map(a => ({ ...a })), // Author JSONMinimal with name and id
+      narrators: [...this.narrators],
+      series: this.series.map(s => ({ ...s })),
+      genres: [...this.genres],
+      publishedYear: this.publishedYear,
+      publishedDate: this.publishedDate,
+      publisher: this.publisher,
+      description: this.description,
+      isbn: this.isbn,
+      asin: this.asin,
+      language: this.language
+    }
+  }
+}
+module.exports = BookMetadata