The Book class represents a book entity in the ReUCM system, containing all metadata, chapter information, and a reference to the source portal.
Class definition
class Book {
final String id;
final String url;
final String title;
final List<Author> authors;
final String? annotation;
final bool isFinished;
final DateTime lastUpdateTime;
final String? coverUrl;
final List<Genre> genres;
final Series? series;
final List<String>? tags;
final int? textLength;
final List<Chapter> chapters = [];
final Portal portal;
Book({
required this.id,
required this.url,
required this.title,
required this.authors,
this.annotation,
required this.isFinished,
required this.lastUpdateTime,
this.coverUrl,
required this.genres,
this.series,
this.tags,
this.textLength,
required this.portal,
});
}
Properties
Unique identifier for the book within the portal.
The URL where the book can be accessed on the portal.
List of authors who wrote the book.
Optional description or summary of the book.
Indicates whether the book is complete or still being written.
The timestamp of the last update to the book.
Optional URL to the book’s cover image.
List of genres associated with the book.
Optional series information if the book is part of a series.
Optional list of tags or keywords associated with the book.
Optional total length of the book text in characters or words.
List of chapters in the book. Initialized as an empty list.
Reference to the portal from which this book originates.
Constructor
Book({
required String id,
required String url,
required String title,
required List<Author> authors,
String? annotation,
required bool isFinished,
required DateTime lastUpdateTime,
String? coverUrl,
required List<Genre> genres,
Series? series,
List<String>? tags,
int? textLength,
required Portal portal,
})
Book instance with the provided metadata.
Usage example
final book = Book(
id: '12345',
url: 'https://example.com/books/12345',
title: 'The Example Book',
authors: [
Author(name: 'John Doe', url: 'https://example.com/authors/johndoe'),
],
annotation: 'An example book demonstrating the Book model.',
isFinished: true,
lastUpdateTime: DateTime(2024, 3, 15),
coverUrl: 'https://example.com/covers/12345.jpg',
genres: [
Genre(name: 'Fiction'),
Genre(name: 'Adventure'),
],
series: Series(name: 'Example Series', number: 1),
tags: ['adventure', 'example'],
textLength: 150000,
portal: myPortal,
);
// Add chapters to the book
book.chapters.add(Chapter(
title: 'Chapter 1: The Beginning',
content: 'Once upon a time...',
));
print('Book: ${book.title} by ${book.authors.first.name}');
print('Status: ${book.isFinished ? "Complete" : "In Progress"}');
print('Chapters: ${book.chapters.length}');