Added Apps search

lib/pages/app.dart

@@ -1,6 +1,5 @@
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
-import 'package:obtainium/components/generated_form.dart';
 import 'package:obtainium/components/generated_form_modal.dart';
 import 'package:obtainium/providers/apps_provider.dart';
 import 'package:obtainium/providers/settings_provider.dart';

lib/pages/apps.dart

@@ -1,6 +1,8 @@
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
 import 'package:obtainium/components/custom_app_bar.dart';
+import 'package:obtainium/components/generated_form.dart';
+import 'package:obtainium/components/generated_form_modal.dart';
 import 'package:obtainium/pages/app.dart';
 import 'package:obtainium/providers/apps_provider.dart';
 import 'package:obtainium/providers/settings_provider.dart';
@@ -14,12 +16,47 @@ class AppsPage extends StatefulWidget {
 }
 
 class _AppsPageState extends State<AppsPage> {
+  AppsFilter? filter;
+
   @override
   Widget build(BuildContext context) {
     var appsProvider = context.watch<AppsProvider>();
     var settingsProvider = context.watch<SettingsProvider>();
     var existingUpdateAppIds = appsProvider.getExistingUpdates();
     var sortedApps = appsProvider.apps.values.toList();
+
+    if (filter != null) {
+      sortedApps = sortedApps.where((app) {
+        if (app.app.installedVersion == app.app.latestVersion &&
+            filter!.onlyNonLatest) {
+          return false;
+        }
+        if (filter!.nameFilter.isEmpty && filter!.authorFilter.isEmpty) {
+          return true;
+        }
+        List<String> nameTokens = filter!.nameFilter
+            .split(' ')
+            .where((element) => element.trim().isNotEmpty)
+            .toList();
+        List<String> authorTokens = filter!.authorFilter
+            .split(' ')
+            .where((element) => element.trim().isNotEmpty)
+            .toList();
+
+        for (var t in nameTokens) {
+          if (!app.app.name.toLowerCase().contains(t.toLowerCase())) {
+            return false;
+          }
+        }
+        for (var t in authorTokens) {
+          if (!app.app.author.toLowerCase().contains(t.toLowerCase())) {
+            return false;
+          }
+        }
+        return true;
+      }).toList();
+    }
+
     sortedApps.sort((a, b) {
       int result = 0;
       if (settingsProvider.sortColumn == SortColumnSettings.authorName) {
@@ -31,26 +68,83 @@ class _AppsPageState extends State<AppsPage> {
       }
       return result;
     });
+
     if (settingsProvider.sortOrder == SortOrderSettings.ascending) {
       sortedApps = sortedApps.reversed.toList();
     }
 
     return Scaffold(
         backgroundColor: Theme.of(context).colorScheme.surface,
-        floatingActionButton: existingUpdateAppIds.isEmpty
-            ? null
-            : ElevatedButton.icon(
-                onPressed: appsProvider.areDownloadsRunning()
-                    ? null
-                    : () {
-                        HapticFeedback.heavyImpact();
-                        settingsProvider.getInstallPermission().then((_) {
-                          appsProvider.downloadAndInstallLatestApp(
-                              existingUpdateAppIds, context);
+        floatingActionButton:
+            Row(mainAxisAlignment: MainAxisAlignment.end, children: [
+          existingUpdateAppIds.isEmpty || filter != null
+              ? const SizedBox()
+              : ElevatedButton.icon(
+                  onPressed: appsProvider.areDownloadsRunning()
+                      ? null
+                      : () {
+                          HapticFeedback.heavyImpact();
+                          settingsProvider.getInstallPermission().then((_) {
+                            appsProvider.downloadAndInstallLatestApp(
+                                existingUpdateAppIds, context);
+                          });
+                        },
+                  icon: const Icon(Icons.install_mobile_outlined),
+                  label: const Text('Install All')),
+          const SizedBox(
+            width: 16,
+          ),
+          appsProvider.apps.isEmpty
+              ? const SizedBox()
+              : ElevatedButton.icon(
+                  onPressed: () {
+                    showDialog<List<String>?>(
+                        context: context,
+                        builder: (BuildContext ctx) {
+                          return GeneratedFormModal(
+                              title: 'Filter Apps',
+                              items: [
+                                [
+                                  GeneratedFormItem(
+                                      label: "App Name", required: false),
+                                  GeneratedFormItem(
+                                      label: "Author", required: false)
+                                ],
+                                [
+                                  GeneratedFormItem(
+                                      label: "Ignore Up-to-Date Apps",
+                                      type: FormItemType.bool)
+                                ]
+                              ],
+                              defaultValues: filter == null
+                                  ? []
+                                  : [
+                                      filter!.nameFilter,
+                                      filter!.authorFilter,
+                                      filter!.onlyNonLatest ? 'true' : ''
+                                    ]);
+                        }).then((values) {
+                      if (values != null &&
+                          values
+                              .where((element) => element.isNotEmpty)
+                              .isNotEmpty) {
+                        setState(() {
+                          filter = AppsFilter(
+                              nameFilter: values[0],
+                              authorFilter: values[1],
+                              onlyNonLatest: values[2] == "true");
                         });
-                      },
-                icon: const Icon(Icons.install_mobile_outlined),
-                label: const Text('Install All')),
+                      } else {
+                        setState(() {
+                          filter = null;
+                        });
+                      }
+                    });
+                  },
+                  label: Text(filter == null ? 'Search' : 'Modify Search'),
+                  icon: Icon(
+                      filter == null ? Icons.search : Icons.manage_search)),
+        ]),
         body: RefreshIndicator(
             onRefresh: () {
               HapticFeedback.lightImpact();
@@ -58,13 +152,15 @@ class _AppsPageState extends State<AppsPage> {
             },
             child: CustomScrollView(slivers: <Widget>[
               const CustomAppBar(title: 'Apps'),
-              if (appsProvider.loadingApps || appsProvider.apps.isEmpty)
+              if (appsProvider.loadingApps || sortedApps.isEmpty)
                 SliverFillRemaining(
                     child: Center(
                         child: appsProvider.loadingApps
                             ? const CircularProgressIndicator()
                             : Text(
-                                'No Apps',
+                                appsProvider.apps.isEmpty
+                                    ? 'No Apps'
+                                    : 'No Search Results',
                                 style:
                                     Theme.of(context).textTheme.headlineMedium,
                               ))),
@@ -97,3 +193,14 @@ class _AppsPageState extends State<AppsPage> {
             ])));
   }
 }
+
+class AppsFilter {
+  late String nameFilter;
+  late String authorFilter;
+  late bool onlyNonLatest;
+
+  AppsFilter(
+      {this.nameFilter = "",
+      this.authorFilter = "",
+      this.onlyNonLatest = false});
+}

lib/pages/home.dart

@@ -5,7 +5,6 @@ import 'package:obtainium/pages/add_app.dart';
 import 'package:obtainium/pages/apps.dart';
 import 'package:obtainium/pages/import_export.dart';
 import 'package:obtainium/pages/settings.dart';
-import 'package:obtainium/pages/test_page.dart';
 
 class HomePage extends StatefulWidget {
   const HomePage({super.key});

lib/pages/import_export.dart

@@ -191,6 +191,7 @@ class _ImportExportPageState extends State<ImportExportPage> {
                                                           }
                                                         }
                                                       }
+                                                      return null;
                                                     }
                                                   ])
                                             ]

lib/pages/settings.dart

@@ -27,7 +27,7 @@ class _SettingsPageState extends State<SettingsPage> {
               child: Padding(
                   padding: const EdgeInsets.all(16),
                   child: settingsProvider.prefs == null
-                      ? Container()
+                      ? const SizedBox()
                       : Column(
                           crossAxisAlignment: CrossAxisAlignment.start,
                           children: [