Implement book label logic

assets/translations/de-DE.json

@@ -1,21 +1,19 @@
 {
-  "add": "Hinzufügen",
-  "navigation": {
-    "library": "Meine Bücher",
-    "stats": "Statistiken",
-    "timeline": "Timeline",
-    "wishlist": "Wunschliste",
-    "recommendations": "Vorschläge",
-    "book-keeping": "Verwaltung",
-    "settings": "Einstellungen"
-  },
-  "anonymous-user": "Anonymer Bücherwurm",
   "account_creation_failed": "Dein Konto konnte nicht angelegt werden.",
+  "add": "Hinzufügen",
   "add_book": {
     "manual": "Manuell eingeben",
     "query": "Titel suche",
     "scan": "Buchode scannen"
   },
+  "add_label_bottom_sheet": {
+    "choose_a_color": "TODO",
+    "create_new_label": "TODO",
+    "name": "TODO",
+    "no_labels_available": "TODO",
+    "pick_a_label": "TODO"
+  },
+  "anonymous-user": "Anonymer Bücherwurm",
   "anonymous_login": {
     "description": "Deine Daten sind gesichert, solange du eingeloggt bist. Wenn du dich ausloggst, werden all deine Daten gelöscht.\n\nDu kannst dein Konto später noch anlegen.",
     "title": "Anonymer Login"
@@ -51,6 +49,15 @@
   "login_with_email": "Weiter mit Mail",
   "login_with_google": "Weiter mit Google",
   "logout": "Logout",
+  "navigation": {
+    "book-keeping": "Verwaltung",
+    "library": "Meine Bücher",
+    "recommendations": "Vorschläge",
+    "settings": "Einstellungen",
+    "stats": "Statistiken",
+    "timeline": "Timeline",
+    "wishlist": "Wunschliste"
+  },
   "no_thanks": "TODO",
   "not_my_book": "Nicht mein Buch",
   "password": "Passwort",
@@ -65,13 +72,13 @@
   "reset_password": "TODO",
   "reset_password_text": "TODO",
   "search": {
-    "search": "Suchen",
+    "empty": {
+      "action": "Online suchen",
+      "description": "Nichts gefunden. Sollen wir online suchen?"
+    },
     "hint": "Durchsuche deine Bibliothek...",
     "page-hint": "Tippe etwas um deine Bibliothek zu durchsuchen!",
-    "empty": {
-      "description": "Nichts gefunden. Sollen wir online suchen?",
-      "action": "Online suchen"
-    }
+    "search": "Suchen"
   },
   "select": "Wählen",
   "settings": {

assets/translations/en-US.json

@@ -11,11 +11,19 @@
   },
   "anonymous-user": "Anonymous Bookworm",
   "account_creation_failed": "Failed to create account",
+  "add": "Add",
   "add_book": {
     "manual": "Add manual",
     "query": "Title search",
     "scan": "Scan book"
   },
+  "add_label_bottom_sheet": {
+    "choose_a_color": "Choose a color",
+    "create_new_label": "Create new label",
+    "name": "Name",
+    "no_labels_available": "No labels available.\nCreate a new label first.",
+    "pick_a_label": "Pick a label"
+  },
   "anonymous_login": {
     "description": "Your data will be stored as long as you stay signed in. When you sign out, your data will be erased.\n\nYou can always upgrade to a regular account later on.",
     "title": "Anonymous Login"
@@ -65,13 +73,13 @@
   "reset_password": "Reset Password",
   "reset_password_text": "A link will be sent to your registered email address with instructions on how to reset your password.",
   "search": {
-    "search": "Search",
+    "empty": {
+      "action": "Search online",
+      "description": "Nothing found. Should we search online?"
+    },
     "hint": "Search your library...",
     "page-hint": "Start typing to search your library!",
-    "empty": {
-      "description": "Nothing found. Should we search online?",
-      "action": "Search online"
-    }
+    "search": "Search"
   },
   "select": "Select",
   "settings": {

build.yaml

@@ -0,0 +1,7 @@
+targets:
+  $default:
+    builders:
+      json_serializable:
+        options:
+          any_map: true
+          explicit_to_json: true

lib/src/data/book/book_repository.dart

@@ -8,7 +8,7 @@ abstract class BookRepository {
 
   Stream<List<Book>> getAllBooks();
 
-  Future<Book> getBook(String id);
+  Stream<Book> getBook(String id);
 
   Future<void> create(Book book);
 

lib/src/data/book/entity/book.dart

@@ -5,7 +5,7 @@ import 'package:freezed_annotation/freezed_annotation.dart';
 part 'book.freezed.dart';
 part 'book.g.dart';
 
-@freezed
+@Freezed(makeCollectionsUnmodifiable: false)
 class Book with _$Book {
   const Book._();
 
@@ -32,19 +32,11 @@ class Book with _$Book {
     required int rating,
     required String? notes,
     required String? summary,
-    @Default([]) List<BookLabel> labels,
+    @Default(<BookLabel>[]) List<BookLabel> labels,
   }) = _Book;
 
   factory Book.fromJson(Map<String, Object?> json) => _$BookFromJson(json);
 
   int get progressPercentage =>
       pageCount != 0 ? ((currentPage / pageCount) * 100).toInt() : 0;
-
-  void addLabel(BookLabel label) {
-    labels.add(label);
-  }
-
-  void removeLabel(String labelId) {
-    labels.removeWhere((label) => label.id == labelId);
-  }
 }

lib/src/data/book/entity/book_label.dart

@@ -3,7 +3,7 @@ import 'package:freezed_annotation/freezed_annotation.dart';
 part 'book_label.freezed.dart';
 part 'book_label.g.dart';
 
-@freezed
+@Freezed(makeCollectionsUnmodifiable: false)
 class BookLabel with _$BookLabel {
   const factory BookLabel({
     required String id,

lib/src/data/book/firebase_book_label_repository.dart

@@ -11,26 +11,43 @@ class FirebaseBookLabelRepository implements BookLabelRepository {
 
   @override
   Future<void> createBookLabel(BookLabel label) {
-    // TODO: implement createBookLabel
-    throw UnimplementedError();
+    final newRef = _labelsRef().push();
+
+    final data = label.copyWith(id: newRef.key!).toJson();
+
+    return newRef.set(data);
   }
 
   @override
   Future<void> deleteBookLabel(String id) {
-    // TODO: implement deleteBookLabel
-    throw UnimplementedError();
+    return _labelsRef().child(id).remove();
   }
 
   @override
   Stream<List<BookLabel>> getBookLabels() {
-    // TODO: implement getBookLabels
-    throw UnimplementedError();
+    return _labelsRef().onValue.map(
+      (DatabaseEvent event) {
+        final Map<String, dynamic>? data = event.snapshot.toMap();
+
+        if (data == null) {
+          return [];
+        }
+
+        return data.values.map(
+          (value) {
+            final Map<String, dynamic> bookMap =
+                (value as Map<dynamic, dynamic>).cast();
+            return BookLabel.fromJson(bookMap);
+          },
+        ).toList();
+      },
+    );
   }
 
-  DatabaseReference _rootRef() {
+  DatabaseReference _labelsRef() {
     // At this point we can assume that the customer is already logged in, even as anonymous user
     final user = _fbAuth.currentUser!.uid;
-    return _fbDb.ref('users/$user/labels');
+    return _fbDb.ref('users/$user/labels/');
   }
 }
 

lib/src/data/book/firebase_book_repository.dart

@@ -14,7 +14,7 @@ class FirebaseBookRepository implements BookRepository {
 
   @override
   Future<void> create(Book book) {
-    final newRef = _rootRef().push();
+    final newRef = _booksRef().push();
 
     final data = book.copyWith(id: newRef.key!).toJson();
 
@@ -23,44 +23,50 @@ class FirebaseBookRepository implements BookRepository {
 
   @override
   Future<void> delete(String id) {
-    return _rootRef().child(id).remove();
+    return _booksRef().child(id).remove();
   }
 
   @override
   Stream<List<Book>> getAllBooks() {
-    return _rootRef().onValue.map(
+    return _booksRef().onValue.map(
       (DatabaseEvent event) {
         final Map<String, dynamic>? data = event.snapshot.toMap();
 
         if (data == null) {
           return [];
         }
 
-        return data
-            .map(
-              (key, value) {
-                final Map<String, dynamic> bookMap =
-                    (value as Map<dynamic, dynamic>).cast();
-                final Book bookValue = Book.fromJson(bookMap);
-                return MapEntry(key, bookValue);
-              },
-            )
-            .values
-            .toList();
+        return data.values.map(
+          (value) {
+            final Map<String, dynamic> bookMap =
+                (value as Map<dynamic, dynamic>).cast();
+            return Book.fromJson(bookMap);
+          },
+        ).toList();
       },
     );
   }
 
   @override
-  Future<Book> getBook(String id) async {
-    final bookSnapshot = await _rootRef().child(id).get();
-    final bookMap = bookSnapshot.child(id).toMap();
+  Stream<Book> getBook(String id) {
+    // final bookSnapshot = await _booksRef().child(id).get();
+    // final bookMap = bookSnapshot.child(id).toMap();
 
-    if (bookMap == null) {
-      throw Exception('Cannot read book with id $id as it does not exist!');
-    }
+    // if (bookMap == null) {
+    //   throw Exception('Cannot read book with id $id as it does not exist!');
+    // }
+
+    // return Book.fromJson(bookMap);
+
+    return _booksRef().child(id).onValue.map((DatabaseEvent event) {
+      final Map<String, dynamic>? data = event.snapshot.toMap();
 
-    return Book.fromJson(bookMap);
+      if (data == null) {
+        throw Exception('Cannot read book with id $id as it does not exist!');
+      }
+
+      return Book.fromJson(data);
+    });
   }
 
   @override
@@ -83,16 +89,23 @@ class FirebaseBookRepository implements BookRepository {
 
   @override
   Future<void> update(Book book) {
-    return _rootRef().child(book.id).set(book);
+    return _booksRef().child(book.id).set(book.toJson());
   }
 
   @override
   Future<void> updateCurrentPage(String bookId, int currentPage) async {
-    final Book currentBook = await getBook(bookId);
+    final bookSnapshot = await _booksRef().child(bookId).get();
+    final bookMap = bookSnapshot.child(bookId).toMap();
+
+    if (bookMap == null) {
+      throw Exception('Cannot read book with id $bookId as it does not exist!');
+    }
+    final currentBook = Book.fromJson(bookMap);
+
     return update(currentBook.copyWith(currentPage: currentPage));
   }
 
-  DatabaseReference _rootRef() {
+  DatabaseReference _booksRef() {
     // At this point we can assume that the customer is already logged in, even as anonymous user
     final user = _fbAuth.currentUser!.uid;
     return _fbDb.ref('users/$user/books');
@@ -124,17 +137,25 @@ class FirebaseBookRepository implements BookRepository {
   }
 
   @override
-  Future<void> addLabelToBook(String bookId, BookLabel label) async {
-    final book = await getBook(bookId);
-    book.addLabel(label);
-    return update(book);
+  Future<void> addLabelToBook(String bookId, BookLabel label) {
+    // TODO: implement addLabelToBook
+    throw UnimplementedError();
   }
 
   @override
   Future<void> removeLabelFromBook(String bookId, String labelId) async {
-    final book = await getBook(bookId);
-    book.removeLabel(labelId);
-    return update(book);
+    final bookSnapshot = await _booksRef().child(bookId).get();
+    final bookMap = bookSnapshot.child(bookId).toMap();
+
+    if (bookMap == null) {
+      throw Exception('Cannot read book with id $bookId as it does not exist!');
+    }
+    final book = Book.fromJson(bookMap);
+    return update(
+      book.copyWith(
+        labels: book.labels..removeWhere((label) => label.id == labelId),
+      ),
+    );
   }
 }
 

lib/src/data/book/in_memory_book_repository.dart

@@ -39,7 +39,7 @@ class InMemoryBookRepository implements BookRepository {
   }
 
   @override
-  Future<Book> getBook(id) {
+  Stream<Book> getBook(id) {
     throw UnimplementedError('Not required');
   }
 

lib/src/providers/book.dart

@@ -6,7 +6,7 @@ import 'package:riverpod_annotation/riverpod_annotation.dart';
 part 'book.g.dart';
 
 @riverpod
-Future<Book> book(BookRef ref, String id) =>
+Stream<Book> book(BookRef ref, String id) =>
     ref.watch(bookRepositoryProvider).getBook(id);
 
 @riverpod

lib/src/providers/labels.dart

@@ -0,0 +1,9 @@
+import 'package:dantex/src/data/book/entity/book_label.dart';
+import 'package:dantex/src/providers/repository.dart';
+import 'package:riverpod_annotation/riverpod_annotation.dart';
+
+part 'labels.g.dart';
+
+@riverpod
+Stream<List<BookLabel>> getBookLabels(GetBookLabelsRef ref) =>
+    ref.watch(bookLabelRepositoryProvider).getBookLabels();