Sometimes publishedDate is only a year

.gitignore

@@ -12,7 +12,6 @@ build/
 # Directory created by dartdoc
 doc/api/
 
-test/
 .vscode
 
 .fvm/

README.md

@@ -68,13 +68,15 @@ final info = book.info;
 | authors (`List<String>`)              | All the authors names                       |
 | publisher (`String`)                  | The publisher name                          |
 | publishedDate (`DateTime`)            | The date it was published                   |
+| rawPublishedDate (`String`)           | The date it was published in raw format     |
 | description (`String`)                | Description of the book                     |
 | pageCount (`int`)                     | The amount of pages                         |
 | categories (`List<String>`)           | The categories the book is in               |
 | averageRating (`double`)              | The average rating of the book              |
 | ratingsCount (`int`)                  | The amount of people that rated it          |
 | maturityRating (`String`)             | The maturity rating                         |
 | contentVersion (`String`)             | The version of the content                  |
+| industryIdentifier (`List<IndustryIdentifier>`)| The identifiers of the book (isbn) |
 | imageLinks (`List<Map<String, Uri>>`) | The links with the avaiable image resources |
 | language (`String`)                   | The language code of the book               |
 

lib/src/scripts/books.dart

@@ -32,6 +32,27 @@ class Book {
   }
 }
 
+class IndustryIdentifier {
+  final String type;
+  final String identifier;
+
+
+  const IndustryIdentifier({
+    required this.type,
+    required this.identifier,
+  });
+
+  @override
+  String toString() => '$type:$identifier';
+
+  static IndustryIdentifier fromJson(Map<String, dynamic> json) {
+    return IndustryIdentifier(
+      type: json['type']??'',
+      identifier: json['identifier']??'',
+    );
+  }
+}
+
 class BookInfo {
   /// The book title
   final String title;
@@ -43,7 +64,10 @@ class BookInfo {
   final String publisher;
 
   /// The date the book was published
-  final DateTime publishedDate;
+  final DateTime? publishedDate;
+
+  /// The date the book was published in raw string format
+  final String rawPublishedDate;
 
   /// The description of the book
   final String description;
@@ -72,6 +96,9 @@ class BookInfo {
   /// The original language of the book
   final String language;
 
+  /// The industryIdentifiers of the book (isbn)
+  final List<IndustryIdentifier> industryIdentifier;
+
   const BookInfo({
     required this.title,
     required this.authors,
@@ -85,16 +112,43 @@ class BookInfo {
     required this.maturityRating,
     required this.pageCount,
     required this.publishedDate,
+    required this.rawPublishedDate,
     required this.ratingsCount,
+    required this.industryIdentifier,
   });
 
   static BookInfo fromJson(Map<String, dynamic> json) {
     final publishedDateArray =
         ((json['publishedDate'] as String?) ?? '0000-00-00').split('-');
-    final year = int.parse(publishedDateArray[0]);
-    final month = int.parse(publishedDateArray[1]);
-    final day = int.parse(publishedDateArray[2]);
-    final publishedDate = DateTime(year, month, day);
+
+    // initialize date
+    int year = 0;
+    int month = 1;
+    int day = 1;
+
+    // now test the date string
+    if(publishedDateArray.length==1) {
+      // assume we have only the year
+      year = int.parse(publishedDateArray[0]);
+    }
+    if(publishedDateArray.length==2) {
+      // assume we have the year and maybe the month (this could be just a speculative case)
+      year = int.parse(publishedDateArray[0]);
+      month = int.parse(publishedDateArray[1]);
+    }
+    if(publishedDateArray.length==3) {
+      // assume we have year-month-day
+      year = int.parse(publishedDateArray[0]);
+      month = int.parse(publishedDateArray[1]);
+      day = int.parse(publishedDateArray[2]);
+    }
+
+    // initialize datetime variable
+    DateTime? publishedDate = null;
+    if(publishedDateArray.length>0) {
+      publishedDate = DateTime(year, month, day);
+    }
+
 
     final imageLinks = <String, Uri>{};
     final map = json['imageLinks'] as Map<String, dynamic>?;
@@ -103,19 +157,21 @@ class BookInfo {
     });
 
     return BookInfo(
-      title: json['title'],
+      title: json['title']??'',
       authors: ((json['authors'] as List<dynamic>?) ?? []).toStringList(),
-      publisher: json['publisher'],
+      publisher: json['publisher']??'',
       averageRating: ((json['averageRating'] ?? 0) as num).toDouble(),
       categories: ((json['categories'] as List<dynamic>?) ?? []).toStringList(),
-      contentVersion: json['contentVersion'],
-      description: json['description'],
-      language: json['language'],
-      maturityRating: json['maturityRating'],
+      contentVersion: json['contentVersion']??'',
+      description: json['description']??'',
+      language: json['language']??'',
+      maturityRating: json['maturityRating'] ??'',
       pageCount: json['pageCount'] ?? 0,
       ratingsCount: json['ratingsCount'] ?? 0,
       publishedDate: publishedDate,
+      rawPublishedDate: (json['publishedDate'] as String?) ?? '',
       imageLinks: imageLinks,
+      industryIdentifier: ((json['industryIdentifiers']??[]) as List).map((industryIdentifier) => IndustryIdentifier.fromJson(industryIdentifier)).toList(),
     );
   }
 
@@ -126,6 +182,7 @@ class BookInfo {
     authors: $authors
     publisher: $publisher
     publishedDate: $publishedDate
+    rawPublishedDate: $rawPublishedDate
     averageRating: $averageRating
     categories: $categories
     contentVersion $contentVersion

pubspec.yaml

@@ -8,3 +8,6 @@ environment:
 
 dependencies:
   http: ^0.13.0
+
+dev_dependencies:
+  test: ^1.16.8

test/test_book_finder.dart

@@ -0,0 +1,63 @@
+import 'package:books_finder/src/books_finder_base.dart';
+import 'package:test/test.dart';
+
+void main() {
+  test('Get books', () async {
+    final List<Book> books = await queryBooks(
+      'twilight',
+      maxResults: 3,
+      printType: PrintType.books,
+      orderBy: OrderBy.relevance,
+    );
+    expect(books.length, 3);
+  });
+
+  test('Get book with special id', () async {
+    final Book book = await getSpecificBook('eI0TEAAAQBAJ');
+    expect(book.info.title,'Twilight, Say Cheese!');
+    expect(book.info.publisher,'Simon and Schuster');
+    expect(book.info.publishedDate,DateTime(2021,02,09));
+    expect(book.info.rawPublishedDate,'2021-02-09');
+    expect(book.info.authors.length,1);
+    expect(book.info.authors[0],'Daisy Sunshine');
+    expect(book.info.categories.length,4);
+    expect(book.info.categories[0],'Juvenile Fiction / Animals / Dragons, Unicorns & Mythical');
+    expect(book.info.pageCount,112);
+    expect(book.info.language,'en');
+    expect(book.info.description.isNotEmpty,true);
+    expect(book.info.maturityRating,'NOT_MATURE');
+    expect(book.info.contentVersion,'preview-1.0.0');
+    expect(book.info.industryIdentifier[0].type,'ISBN_10');
+    expect(book.info.industryIdentifier[0].identifier,'1534461655');
+  });
+
+  test('Get magazines', () async {
+    final List<Book> magazines = await queryBooks(
+      'New York Magazine',
+      maxResults: 3,
+      printType: PrintType.magazines,
+      orderBy: OrderBy.relevance,
+    );
+    expect(magazines.length, 3);
+    expect(magazines[0].info.industryIdentifier.length, 0);
+  });
+
+  test('Get magazine with special id', () async {
+    final Book book = await getSpecificBook('OugCAAAAMBAJ');
+    expect(book.info.title,'New York Magazine');
+    expect(book.info.publisher,'New York Media, LLC');
+    expect(book.info.publishedDate,DateTime(1997,06,02));
+    expect(book.info.rawPublishedDate,'1997-06-02');
+    expect(book.info.authors.length,1);
+    expect(book.info.authors[0],'New York Media, LLC');
+    expect(book.info.categories.length,0);
+    expect(book.info.pageCount,142);
+    expect(book.info.language,'en');
+    expect(book.info.description.isNotEmpty,true);
+    expect(book.info.maturityRating,'NOT_MATURE');
+    expect(book.info.contentVersion,'0.0.2.0.preview.1');
+    expect(book.info.industryIdentifier.length,1);
+    expect(book.info.industryIdentifier[0].type,'ISSN');
+    expect(book.info.industryIdentifier[0].identifier,'00287369');
+  });
+}