feat(content): adapt create source bloc for language picker

Author: fulleni

lib/content_management/bloc/create_source/create_source_bloc.dart

@@ -2,6 +2,7 @@ import 'package:bloc/bloc.dart';
 import 'package:core/core.dart';
 import 'package:country_picker/country_picker.dart' as picker;
 import 'package:data_repository/data_repository.dart';
+import 'package:language_picker/language_picker.dart' as language_picker;
 import 'package:equatable/equatable.dart';
 import 'package:flutter/foundation.dart';
 import 'package:flutter_news_app_web_dashboard_full_source_code/shared/shared.dart';
@@ -72,7 +73,7 @@ class CreateSourceBloc extends Bloc<CreateSourceEvent, CreateSourceState> {
     CreateSourceLanguageChanged event,
     Emitter<CreateSourceState> emit,
   ) {
-    emit(state.copyWith(language: event.language));
+    emit(state.copyWith(language: () => event.language));
   }
 
   void _onHeadquartersChanged(
@@ -115,7 +116,7 @@ class CreateSourceBloc extends Bloc<CreateSourceEvent, CreateSourceState> {
         description: state.description,
         url: state.url,
         sourceType: state.sourceType!,
-        language: state.language,
+        language: adaptPackageLanguageToLanguageCode(state.language!),
         createdAt: now,
         updatedAt: now,
         headquarters: state.headquarters!,

lib/content_management/bloc/create_source/create_source_event.dart

@@ -48,7 +48,7 @@ final class CreateSourceTypeChanged extends CreateSourceEvent {
 /// Event for when the source's language is changed.
 final class CreateSourceLanguageChanged extends CreateSourceEvent {
   const CreateSourceLanguageChanged(this.language);
-  final String language;
+  final language_picker.Language? language;
   @override
   List<Object?> get props => [language];
 }

lib/content_management/bloc/create_source/create_source_state.dart

@@ -1,5 +1,6 @@
 part of 'create_source_bloc.dart';
 
+import 'package:language_picker/language_picker.dart' as language_picker;
 /// Represents the status of the create source operation.
 enum CreateSourceStatus {
   /// Initial state, before any data is loaded.
@@ -27,7 +28,7 @@ final class CreateSourceState extends Equatable {
     this.description = '',
     this.url = '',
     this.sourceType,
-    this.language = '',
+    this.language,
     this.headquarters,
     this.contentStatus = ContentStatus.active,
     this.exception,
@@ -39,7 +40,7 @@ final class CreateSourceState extends Equatable {
   final String description;
   final String url;
   final SourceType? sourceType;
-  final String language;
+  final language_picker.Language? language;
   final Country? headquarters;
   final ContentStatus contentStatus;
   final HttpException? exception;
@@ -51,7 +52,7 @@ final class CreateSourceState extends Equatable {
       description.isNotEmpty &&
       url.isNotEmpty &&
       sourceType != null &&
-      language.isNotEmpty &&
+      language != null &&
       headquarters != null;
 
   CreateSourceState copyWith({
@@ -60,7 +61,7 @@ final class CreateSourceState extends Equatable {
     String? description,
     String? url,
     ValueGetter<SourceType?>? sourceType,
-    String? language,
+    ValueGetter<language_picker.Language?>? language,
     ValueGetter<Country?>? headquarters,
     ContentStatus? contentStatus,
     HttpException? exception,
@@ -72,7 +73,7 @@ final class CreateSourceState extends Equatable {
       description: description ?? this.description,
       url: url ?? this.url,
       sourceType: sourceType != null ? sourceType() : this.sourceType,
-      language: language ?? this.language,
+      language: language != null ? language() : this.language,
       headquarters: headquarters != null ? headquarters() : this.headquarters,
       contentStatus: contentStatus ?? this.contentStatus,
       exception: exception,

lib/shared/widgets/language_picker_form_field.dart

@@ -1,14 +1,13 @@
 import 'package:flutter/material.dart';
-import 'package:language_picker/language_picker.dart';
-import 'package:language_picker/languages.dart';
+import 'package:language_picker/language_picker.dart' as language_picker;
 
 /// A form field for selecting a language using the `language_picker` package.
 ///
 /// This widget wraps the language picker functionality in a standard
 /// [FormField], making it easy to integrate into forms for validation
 /// and state management. It presents as a read-only [TextFormField] that,
 /// when tapped, opens a language selection dialog.
-class LanguagePickerFormField extends FormField<Language> {
+class LanguagePickerFormField extends FormField<language_picker.Language> {
   /// Creates a [LanguagePickerFormField].
   ///
   /// The [onSaved], [validator], [initialValue], and [autovalidateMode] are
@@ -23,7 +22,7 @@ class LanguagePickerFormField extends FormField<Language> {
     super.autovalidateMode,
     String? labelText,
   }) : super(
-          builder: (FormFieldState<Language> state) {
+          builder: (FormFieldState<language_picker.Language> state) {
             // This controller is just for displaying the text. The actual
             // value is managed by the FormField's state.
             final controller = TextEditingController(
@@ -40,11 +39,12 @@ class LanguagePickerFormField extends FormField<Language> {
                 suffixIcon: const Icon(Icons.arrow_drop_down),
               ),
               onTap: () {
-                showLanguagePicker(
+                language_picker.showLanguagePicker(
                   context: state.context,
                   // Provide a default if no language is selected yet.
-                  selectedLanguage: state.value ?? Languages.english,
-                  onValuePicked: (Language language) {
+                  selectedLanguage:
+                      state.value ?? language_picker.Languages.english,
+                  onValuePicked: (language_picker.Language language) {
                     state.didChange(language);
                     // Update the text in the read-only text field.
                     controller.text = language.name;