Apply search page controller to release event page

VocaDB · Jan 13, 2021 · 1b09f47 · 1b09f47
1 parent 5506e5d
commit 1b09f47
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Showing 3 changed files with 22 additions and 54 deletions.
diff --git a/lib/src/controllers/release_event_search_controller.dart b/lib/src/controllers/release_event_search_controller.dart
@@ -1,24 +1,13 @@
 import 'package:flutter/material.dart';
 import 'package:get/get.dart';
+import 'package:vocadb_app/controllers.dart';
 import 'package:vocadb_app/models.dart';
 import 'package:vocadb_app/repositories.dart';
 import 'package:vocadb_app/services.dart';
 import 'package:vocadb_app/utils.dart';
 
-class ReleaseEventSearchController extends GetxController {
-  final int maxResults = 50;
-
-  final initialLoading = true.obs;
-
-  /// List of results from search
-  final results = <ReleaseEventModel>[].obs;
-
-  /// Query input string
-  final query = ''.obs;
-
-  /// Set to True when user tap search icon.
-  final openQuery = false.obs;
-
+class ReleaseEventSearchController
+    extends SearchPageController<ReleaseEventModel> {
   /// Filter parameter
   final category = ''.obs;
 
@@ -32,9 +21,6 @@ class ReleaseEventSearchController extends GetxController {
 
   final tags = <TagModel>[].obs;
 
-  /// If set to [True], no fetch more data from server. Default is [False].
-  final noFetchMore = false.obs;
-
   final ReleaseEventRepository releaseEventRepository;
 
   TextEditingController textSearchController;
@@ -43,22 +29,11 @@ class ReleaseEventSearchController extends GetxController {
 
   @override
   void onInit() {
-    initialFetch();
     [category, sort, artists, tags, fromDate, toDate]
         .forEach((element) => ever(element, (_) => initialFetch()));
-    debounce(query, (_) => initialFetch(), time: Duration(seconds: 1));
-    textSearchController = TextEditingController();
     super.onInit();
   }
 
-  void initialFetch() {
-    Future.value(noFetchMore(false))
-        .then((_) => fetchApi())
-        .then(verifyShouldFetchMore)
-        .then(results)
-        .then(initialLoadingDone);
-  }
-
   Future<List<ReleaseEventModel>> fetchApi({int start}) =>
       releaseEventRepository.findReleaseEvents(
         start: (start == null) ? 0 : start,
@@ -72,24 +47,4 @@ class ReleaseEventSearchController extends GetxController {
         beforeDate: DateTimeUtils.toUtcDateString(toDate.value),
         afterDate: DateTimeUtils.toUtcDateString(fromDate.value),
       );
-
-  clearQuery() {
-    query('');
-    textSearchController.clear();
-  }
-
-  initialLoadingDone(_) => initialLoading(false);
-
-  List<ReleaseEventModel> verifyShouldFetchMore(List<ReleaseEventModel> items) {
-    if (items == null || items.isEmpty || items.length < maxResults)
-      noFetchMore(true);
-    return items;
-  }
-
-  onReachLastItem() {
-    if (noFetchMore.value) return;
-    fetchApi(start: results.length + 1)
-        .then(verifyShouldFetchMore)
-        .then(results.addAll);
-  }
 }
diff --git a/lib/src/pages/release_event_search_page.dart b/lib/src/pages/release_event_search_page.dart
@@ -59,11 +59,13 @@ class ReleaseEventSearchPage extends GetView<ReleaseEventSearchController> {
         body: Obx(
           () => (controller.initialLoading.value)
               ? CenterLoading()
-              : ReleaseEventListView(
-                  events: controller.results.toList(),
-                  onSelect: this._onTapReleaseEvent,
-                  onReachLastItem: controller.onReachLastItem,
-                ),
+              : (controller.errorMessage.string.isNotEmpty)
+                  ? CenterText(controller.errorMessage.string)
+                  : ReleaseEventListView(
+                      events: controller.results.toList(),
+                      onSelect: this._onTapReleaseEvent,
+                      onReachLastItem: controller.onReachLastItem,
+                      emptyWidget: CenterText('searchResultNotMatched'.tr)),
         ));
   }
 }
diff --git a/lib/src/widgets/release_event_list_view.dart b/lib/src/widgets/release_event_list_view.dart
@@ -4,7 +4,11 @@ import 'package:vocadb_app/widgets.dart';
 
 class ReleaseEventListView extends StatelessWidget {
   ReleaseEventListView(
-      {Key key, this.events, this.onSelect, this.onReachLastItem})
+      {Key key,
+      this.events,
+      this.onSelect,
+      this.onReachLastItem,
+      this.emptyWidget})
       : super(key: key);
 
   /// List of events to display.
@@ -15,8 +19,15 @@ class ReleaseEventListView extends StatelessWidget {
   /// A callback function when user react to last item. Only worked on list view with vertical direction.
   final Function onReachLastItem;
 
+  /// A widget that display when songs is empty
+  final Widget emptyWidget;
+
   @override
   Widget build(BuildContext context) {
+    if (events.isEmpty && this.emptyWidget != null) {
+      return this.emptyWidget;
+    }
+
     return InfiniteListView(
         onReachLastItem: this.onReachLastItem,
         itemCount: this.events.length,