feat(characters): update search global

Author: leandro-mancini

libs/flutter/characters/lib/src/characters_controller.dart

@@ -7,24 +7,47 @@ var characterService = CharacterService();
 class CharactersController = CharactersControllerBase with _$CharactersController;
 
 abstract class CharactersControllerBase with Store {
+  @observable
+  List<Character> allCharacters = <Character>[];
+
   @observable
   List<Character> characters = <Character>[];
 
   @observable
   bool hasCharacters = false;
 
+  @observable
+  bool hasFilterCharacters = false;
+
   @action
   getAllCharacters() async {
-    characters = await characterService.getAllCharacters();
+    allCharacters = await characterService.getAllCharacters();
+    characters = allCharacters;
     hasCharacters = true;
   }
 
   @action
   getFilteredCharacters(CharacterFilters filters) async {
     hasCharacters = false;
 
-    characters = await characterService.getFilteredCharacters(filters);
+    allCharacters = await characterService.getFilteredCharacters(filters);
+    characters = allCharacters;
 
     hasCharacters = true;
   }
+
+  @action
+  getFilteredToCharacter(String value) async {
+    if (value.isEmpty) {
+      hasFilterCharacters = false;
+      characters = allCharacters;
+    } else {
+      List<Character> searchCharacter = allCharacters
+        .where((element) => element.name.toLowerCase().contains(value.toLowerCase()))
+        .toList();
+
+      hasFilterCharacters = true;
+      characters = searchCharacter;
+    }
+  }
 }

libs/flutter/characters/lib/src/characters_controller.g.dart

@@ -40,9 +40,11 @@ class _CharactersPageState extends State<CharactersPage> {
         searchController: searchValueController,
         textInputAction: TextInputAction.search,
         onSubmitted: (value) {
-          Modular.to.pushNamed('/character/search/$value');
+          Modular.to.pushNamed('/character/search/$value')
+            .then((value) => charactersController.getAllCharacters());
           searchValueController.clear();
         },
+        onChanged: ((value) => charactersController.getFilteredToCharacter(value)),
         actions: [
           IconButton(
             icon: const Icon(
@@ -70,9 +72,19 @@ class _CharactersPageState extends State<CharactersPage> {
     return Observer(
       builder: (_) {
         if (charactersController.characters.isEmpty && charactersController.hasCharacters) {
-          return const FeedbackPageWidget(
-            illustration: Assets.ilSearch,
-            message: 'Desculpe, não conseguimos \n encontrar o personagem',
+          return SingleChildScrollView(
+            child: FeedbackPageWidget(
+              illustration: Assets.ilSearch,
+              message: 'Desculpe, não conseguimos \n encontrar o personagem',
+              description: 'Não se preocupe, ainda podemos \nbuscar no banco de dados.',
+              enabledAction: true,
+              textButton: 'Buscar',
+              onPressed: () {
+                Modular.to.pushNamed('/character/search/${searchValueController.text}')
+                  .then((value) => charactersController.getAllCharacters());
+                searchValueController.clear();
+              },
+            ),
           );
         }
 

libs/flutter/characters/lib/src/characters_page.dart

@@ -7,16 +7,38 @@ var characterService = CharacterService();
 class SearchController = SearchControllerBase with _$SearchController;
 
 abstract class SearchControllerBase with Store {
+  @observable
+  List<Character> allCharacters = <Character>[];
+
   @observable
   List<Character> characters = <Character>[];
 
   @observable
   bool hasCharacters = false;
 
+  @observable
+  bool hasFilterCharacters = false;
+
   @action
   getFilteredCharacters(String name) async {
-    characters = await characterService.getFilteredCharacters(CharacterFilters(name: name));
-
     hasCharacters = true;
+    allCharacters = await characterService.getFilteredCharacters(CharacterFilters(name: name));
+    characters = allCharacters;
+    hasCharacters = true;
+  }
+
+  @action
+  getFilteredToSearchCharacter(String value) async {
+    if (value.isEmpty) {
+      hasFilterCharacters = false;
+      characters = allCharacters;
+    } else {
+      List<Character> searchCharacter = allCharacters
+        .where((element) => element.name.toLowerCase().contains(value.toLowerCase()))
+        .toList();
+
+      hasFilterCharacters = true;
+      characters = searchCharacter;
+    }
   }
 }

libs/flutter/characters/lib/src/pages/search/search_controller.dart

@@ -42,6 +42,7 @@ class _SearchPageState extends State<SearchPage> {
         textInputAction: TextInputAction.search,
         onSubmitted: (value) => searchController.getFilteredCharacters(value),
         onPressedLeadingIcon: () => Modular.to.pop(),
+        onChanged: ((value) => searchController.getFilteredToSearchCharacter(value)),
       ),
       body: SafeArea(
         child: buildList(),