Add database for search history

lib/bloc/database/database_bloc.dart

@@ -0,0 +1,25 @@
+
+import 'package:flutter_bloc/flutter_bloc.dart';
+
+import './database_event.dart';
+import './database_state.dart';
+
+export './database_event.dart';
+export './database_state.dart';
+export './database_not_connected_exception.dart';
+
+class DatabaseBloc extends Bloc<DatabaseEvent, DatabaseState> {
+
+  DatabaseBloc() : super(DatabaseDisconnected());
+
+  @override
+  Stream<DatabaseState> mapEventToState(DatabaseEvent event)
+  async* {
+    if (event is ConnectedToDatabase) {
+      yield DatabaseConnected(event.database);
+    } else {
+      yield DatabaseDisconnected();
+    }
+  }
+
+}

lib/bloc/database/database_event.dart

@@ -0,0 +1,14 @@
+import 'package:objectbox/objectbox.dart';
+
+abstract class DatabaseEvent {
+  const DatabaseEvent();
+}
+
+class ConnectedToDatabase extends DatabaseEvent {
+  final Store database;
+  const ConnectedToDatabase(this.database);
+}
+
+class DisconnectedFromDatabase extends DatabaseEvent {
+  const DisconnectedFromDatabase();
+}

lib/bloc/database/database_not_connected_exception.dart

@@ -0,0 +1 @@
+class DatabaseNotConnectedException implements Exception {}

lib/bloc/database/database_state.dart

@@ -0,0 +1,15 @@
+
+import 'package:objectbox/objectbox.dart';
+
+abstract class DatabaseState {
+  const DatabaseState();
+}
+
+class DatabaseConnected extends DatabaseState {
+  final Store database;
+  const DatabaseConnected(this.database);
+}
+
+class DatabaseDisconnected extends DatabaseState {
+  const DatabaseDisconnected();
+}

lib/bloc/kanji/kanji_bloc.dart

@@ -1,5 +1,8 @@
 import 'dart:async';
 
+import 'package:jisho_study_tool/bloc/database/database_bloc.dart';
+import 'package:jisho_study_tool/models/history/search.dart';
+
 import './kanji_event.dart';
 import './kanji_state.dart';
 
@@ -12,7 +15,23 @@ export './kanji_state.dart';
 
 class KanjiBloc extends Bloc<KanjiEvent, KanjiState> {
 
-  KanjiBloc() : super(KanjiSearch(KanjiSearchType.Initial));
+  DatabaseBloc _databaseBloc;
+
+  KanjiBloc(this._databaseBloc) : super(KanjiSearch(KanjiSearchType.Initial));
+
+  void addSearchToDB(searchString) {
+    if (_databaseBloc.state is DatabaseDisconnected)
+      throw DatabaseNotConnectedException;
+
+    (_databaseBloc.state as DatabaseConnected)
+      .database
+      .box<Search>()
+      .put(Search(
+        query: searchString,
+        timestamp: DateTime.now(),
+        type: "kanji"
+      ));
+  }
 
   @override
   Stream<KanjiState> mapEventToState(KanjiEvent event)
@@ -22,6 +41,7 @@ class KanjiBloc extends Bloc<KanjiEvent, KanjiState> {
       yield KanjiSearchLoading();
 
       try {
+        addSearchToDB(event.kanjiSearchString);
         final kanji = await fetchKanji(event.kanjiSearchString);
         if (kanji.found) yield KanjiSearchFinished(kanji: kanji);
         else yield KanjiSearchError('Something went wrong');

lib/bloc/search/search_bloc.dart

@@ -3,8 +3,10 @@ import 'dart:async';
 import 'package:bloc/bloc.dart';
 import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';
+import 'package:jisho_study_tool/models/history/search.dart';
 import 'package:meta/meta.dart';
 
+import 'package:jisho_study_tool/bloc/database/database_bloc.dart';
 import 'package:jisho_study_tool/services/jisho_api/jisho_search.dart';
 import 'package:unofficial_jisho_api/parser.dart';
 
@@ -12,7 +14,24 @@ part 'search_event.dart';
 part 'search_state.dart';
 
 class SearchBloc extends Bloc<SearchEvent, SearchState> {
-  SearchBloc() : super(SearchInitial());
+
+  DatabaseBloc _databaseBloc;
+
+  SearchBloc(this._databaseBloc) : super(SearchInitial());
+
+  void addSearchToDB(searchString) {
+    if (_databaseBloc.state is DatabaseDisconnected)
+      throw DatabaseNotConnectedException;
+
+    (_databaseBloc.state as DatabaseConnected)
+      .database
+      .box<Search>()
+      .put(Search(
+        query: searchString,
+        timestamp: DateTime.now(),
+        type: "search"
+      ));
+  }
 
   @override
   Stream<SearchState> mapEventToState(
@@ -22,6 +41,7 @@ class SearchBloc extends Bloc<SearchEvent, SearchState> {
       yield SearchLoading();
 
       try {
+        addSearchToDB(event.searchString);
         final searchResults = await fetchJishoResults(event.searchString);
         if (searchResults.meta.status == 200) yield SearchFinished(searchResults.data);
       } on Exception {

lib/main.dart

@@ -1,16 +1,23 @@
 import 'package:flutter/material.dart';
 import 'package:flutter_bloc/flutter_bloc.dart';
 import 'package:mdi/mdi.dart';
+import 'package:path_provider/path_provider.dart';
+import 'package:path/path.dart';
+import 'package:jisho_study_tool/objectbox.g.dart';
 
+import 'package:jisho_study_tool/bloc/search/search_bloc.dart';
+import 'package:jisho_study_tool/bloc/database/database_bloc.dart';
 import 'package:jisho_study_tool/bloc/kanji/kanji_bloc.dart';
+
 import 'package:jisho_study_tool/view/screens/kanji/view.dart';
 import 'package:jisho_study_tool/view/screens/history.dart';
 import 'package:jisho_study_tool/view/screens/search/view.dart';
 
-import 'bloc/search/search_bloc.dart';
 
 void main() => runApp(MyApp());
 
+DatabaseBloc _databaseBloc = DatabaseBloc();
+
 class MyApp extends StatelessWidget {
   @override
   Widget build(BuildContext context) {
@@ -21,8 +28,9 @@ class MyApp extends StatelessWidget {
       ),
       home: MultiBlocProvider(
         providers: [
-          BlocProvider(create: (context) => SearchBloc()),
-          BlocProvider(create: (context) => KanjiBloc()),
+          BlocProvider(create: (context) => SearchBloc(_databaseBloc)),
+          BlocProvider(create: (context) => KanjiBloc(_databaseBloc)),
+          BlocProvider(create: (context) => _databaseBloc),
         ],
         child: Home(),
       ),
@@ -38,27 +46,62 @@ class Home extends StatefulWidget {
 class _HomeState extends State<Home> {
   int selectedPage = 0;
 
+  Store _store;
+
+  @override
+  void initState() {
+    super.initState();
+
+    getApplicationDocumentsDirectory()
+      .then((dir) {
+        _store = Store(
+          getObjectBoxModel(),
+          directory: join(dir.path, 'objectbox'),
+        );
+
+        _databaseBloc.add(ConnectedToDatabase(_store));
+      });
+  }
+
+  @override
+  void dispose() {
+    _store.close();
+    _databaseBloc.add(DisconnectedFromDatabase());
+    super.dispose();
+  }
+
   @override
   Widget build(BuildContext context) {
-    return Scaffold(
-      appBar: AppBar(
-        title: pages[selectedPage].titleBar,
-        centerTitle: true,
-      ),
-      body: pages[selectedPage].content,
-      bottomNavigationBar: BottomNavigationBar(
-        currentIndex: selectedPage,
-        onTap: (int index) {
-          setState(() {
-            selectedPage = index;
-          });
-        },
-        items: navBar,
-        showSelectedLabels: false,
-        showUnselectedLabels: false,
-        unselectedItemColor: Colors.blue,
-        selectedItemColor: Colors.green,
-      ),
+    return BlocBuilder<DatabaseBloc, DatabaseState>(
+      builder: (context, state) {
+
+        if (state is DatabaseDisconnected) {
+          return Center(
+            child: CircularProgressIndicator(),
+          );
+        }
+
+        return Scaffold(
+          appBar: AppBar(
+            title: pages[selectedPage].titleBar,
+            centerTitle: true,
+          ),
+          body: pages[selectedPage].content,
+          bottomNavigationBar: BottomNavigationBar(
+            currentIndex: selectedPage,
+            onTap: (int index) {
+              setState(() {
+                selectedPage = index;
+              });
+            },
+            items: navBar,
+            showSelectedLabels: false,
+            showUnselectedLabels: false,
+            unselectedItemColor: Colors.blue,
+            selectedItemColor: Colors.green,
+          ),
+        );
+      },
     );
   }
 }

lib/models/history/search.dart

@@ -0,0 +1,26 @@
+import 'package:objectbox/objectbox.dart';
+
+@Entity()
+class Search {
+  int id = 0;
+
+  @Property(type: PropertyType.date)
+  DateTime timestamp;
+
+  String query;
+
+  String type;
+
+  Search({
+    this.id,
+    this.timestamp,
+    this.query,
+    this.type,
+  });
+
+  @override
+  String toString() {
+  return "${timestamp.toIso8601String()} [${type.toUpperCase()}] - $query";
+  }
+
+}

lib/objectbox-model.json

@@ -0,0 +1,47 @@
+{
+  "_note1": "KEEP THIS FILE! Check it into a version control system (VCS) like git.",
+  "_note2": "ObjectBox manages crucial IDs for your object model. See docs for details.",
+  "_note3": "If you have VCS merge conflicts, you must resolve them according to ObjectBox docs.",
+  "entities": [
+    {
+      "id": "1:7471000004971513655",
+      "lastPropertyId": "4:1530573958565295186",
+      "name": "Search",
+      "properties": [
+        {
+          "id": "1:182004738902401315",
+          "name": "id",
+          "type": 6,
+          "flags": 1
+        },
+        {
+          "id": "2:647032929519296287",
+          "name": "timestamp",
+          "type": 10
+        },
+        {
+          "id": "3:8448353731705407210",
+          "name": "query",
+          "type": 9
+        },
+        {
+          "id": "4:1530573958565295186",
+          "name": "type",
+          "type": 9
+        }
+      ],
+      "relations": []
+    }
+  ],
+  "lastEntityId": "1:7471000004971513655",
+  "lastIndexId": "0:0",
+  "lastRelationId": "0:0",
+  "lastSequenceId": "0:0",
+  "modelVersion": 5,
+  "modelVersionParserMinimum": 5,
+  "retiredEntityUids": [],
+  "retiredIndexUids": [],
+  "retiredPropertyUids": [],
+  "retiredRelationUids": [],
+  "version": 1
+}

lib/view/screens/history.dart

@@ -1,10 +1,27 @@
 import 'package:flutter/material.dart';
+import 'package:flutter_bloc/flutter_bloc.dart';
+import 'package:jisho_study_tool/bloc/database/database_bloc.dart';
+import 'package:jisho_study_tool/models/history/search.dart';
 
 class HistoryView extends StatelessWidget {
   @override
   Widget build(BuildContext context) {
-    return ListView.builder(
-      itemBuilder: (context, index) => ListTile(),
+    // return ListView.builder(
+    //   itemBuilder: (context, index) => ListTile(),
+    // );
+    return BlocBuilder<DatabaseBloc, DatabaseState>(
+      builder: (context, state) {
+        if (state is DatabaseDisconnected)
+          throw DatabaseNotConnectedException();
+        return Text(
+          (state as DatabaseConnected)
+            .database
+            .box<Search>()
+            .getAll()
+            .map((e) => e.toString())
+            .toString()
+        );
+      },
     );
   }
 }

pubspec.lock

@@ -1,13 +1,34 @@
 # Generated by pub
 # See https://dart.dev/tools/pub/glossary#lockfile
 packages:
+  _fe_analyzer_shared:
+    dependency: transitive
+    description:
+      name: _fe_analyzer_shared
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "22.0.0"
+  analyzer:
+    dependency: transitive
+    description:
+      name: analyzer
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.7.2"
+  args:
+    dependency: transitive
+    description:
+      name: args
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.1.1"
   async:
     dependency: transitive
     description:
       name: async
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.5.0"
+    version: "2.7.0"
   bloc:
     dependency: transitive
     description:
@@ -22,6 +43,62 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "2.1.0"
+  build:
+    dependency: transitive
+    description:
+      name: build
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.0.3"
+  build_config:
+    dependency: transitive
+    description:
+      name: build_config
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.4.7"
+  build_daemon:
+    dependency: transitive
+    description:
+      name: build_daemon
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.1.10"
+  build_resolvers:
+    dependency: transitive
+    description:
+      name: build_resolvers
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.0.4"
+  build_runner:
+    dependency: "direct dev"
+    description:
+      name: build_runner
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.12.2"
+  build_runner_core:
+    dependency: transitive
+    description:
+      name: build_runner_core
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "6.1.12"
+  built_collection:
+    dependency: transitive
+    description:
+      name: built_collection
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "5.1.0"
+  built_value:
+    dependency: transitive
+    description:
+      name: built_value
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "8.1.1"
   characters:
     dependency: transitive
     description:
@@ -36,6 +113,20 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.2.0"
+  checked_yaml:
+    dependency: transitive
+    description:
+      name: checked_yaml
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.0.1"
+  cli_util:
+    dependency: transitive
+    description:
+      name: cli_util
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.3.3"
   clock:
     dependency: transitive
     description:
@@ -43,6 +134,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.1.0"
+  code_builder:
+    dependency: transitive
+    description:
+      name: code_builder
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "3.7.0"
   collection:
     dependency: transitive
     description:
@@ -50,6 +148,20 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.15.0"
+  convert:
+    dependency: transitive
+    description:
+      name: convert
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "3.0.1"
+  crypto:
+    dependency: transitive
+    description:
+      name: crypto
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "3.0.1"
   csslib:
     dependency: transitive
     description:
@@ -57,6 +169,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "0.16.2"
+  dart_style:
+    dependency: transitive
+    description:
+      name: dart_style
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.0.2"
   division:
     dependency: "direct main"
     description:
@@ -85,6 +204,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "6.1.0"
+  fixnum:
+    dependency: transitive
+    description:
+      name: fixnum
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.0"
   flutter:
     dependency: "direct main"
     description: flutter
@@ -107,6 +233,20 @@ packages:
     description: flutter
     source: sdk
     version: "0.0.0"
+  glob:
+    dependency: transitive
+    description:
+      name: glob
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.0.1"
+  graphs:
+    dependency: transitive
+    description:
+      name: graphs
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.0"
   html:
     dependency: transitive
     description:
@@ -128,6 +268,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "0.12.2"
+  http_multi_server:
+    dependency: transitive
+    description:
+      name: http_multi_server
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "3.0.1"
   http_parser:
     dependency: transitive
     description:
@@ -135,6 +282,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "3.1.4"
+  io:
+    dependency: transitive
+    description:
+      name: io
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.3"
   js:
     dependency: transitive
     description:
@@ -142,6 +296,20 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "0.6.3"
+  json_annotation:
+    dependency: transitive
+    description:
+      name: json_annotation
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "4.1.0"
+  logging:
+    dependency: transitive
+    description:
+      name: logging
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.1"
   matcher:
     dependency: transitive
     description:
@@ -162,7 +330,14 @@ packages:
       name: meta
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.3.0"
+    version: "1.4.0"
+  mime:
+    dependency: transitive
+    description:
+      name: mime
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.0"
   nested:
     dependency: transitive
     description:
@@ -170,6 +345,34 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.0.0"
+  objectbox:
+    dependency: "direct main"
+    description:
+      name: objectbox
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.1.1"
+  objectbox_flutter_libs:
+    dependency: "direct main"
+    description:
+      name: objectbox_flutter_libs
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.1.1"
+  objectbox_generator:
+    dependency: "direct dev"
+    description:
+      name: objectbox_generator
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.1.1"
+  package_config:
+    dependency: transitive
+    description:
+      name: package_config
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.0.0"
   path:
     dependency: transitive
     description:
@@ -177,6 +380,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.8.0"
+  path_provider:
+    dependency: "direct main"
+    description:
+      name: path_provider
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.0.2"
   path_provider_linux:
     dependency: transitive
     description:
@@ -184,6 +394,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "2.0.0"
+  path_provider_macos:
+    dependency: transitive
+    description:
+      name: path_provider_macos
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.0.0"
   path_provider_platform_interface:
     dependency: transitive
     description:
@@ -219,6 +436,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.0.3"
+  pool:
+    dependency: transitive
+    description:
+      name: pool
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.5.0"
   process:
     dependency: transitive
     description:
@@ -233,6 +457,20 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "5.0.0"
+  pub_semver:
+    dependency: transitive
+    description:
+      name: pub_semver
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.0.0"
+  pubspec_parse:
+    dependency: transitive
+    description:
+      name: pubspec_parse
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.0"
   shared_preferences:
     dependency: "direct main"
     description:
@@ -275,11 +513,32 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "2.0.0"
+  shelf:
+    dependency: transitive
+    description:
+      name: shelf
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.7.9"
+  shelf_web_socket:
+    dependency: transitive
+    description:
+      name: shelf_web_socket
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.2.4+1"
   sky_engine:
     dependency: transitive
     description: flutter
     source: sdk
     version: "0.0.99"
+  source_gen:
+    dependency: transitive
+    description:
+      name: source_gen
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.3"
   source_span:
     dependency: transitive
     description:
@@ -301,6 +560,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "2.1.0"
+  stream_transform:
+    dependency: transitive
+    description:
+      name: stream_transform
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.0.0"
   string_scanner:
     dependency: transitive
     description:
@@ -321,7 +587,14 @@ packages:
       name: test_api
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.2.19"
+    version: "0.4.0"
+  timing:
+    dependency: transitive
+    description:
+      name: timing
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.0"
   typed_data:
     dependency: transitive
     description:
@@ -385,6 +658,20 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "2.1.0"
+  watcher:
+    dependency: transitive
+    description:
+      name: watcher
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.0"
+  web_socket_channel:
+    dependency: transitive
+    description:
+      name: web_socket_channel
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.1.0"
   win32:
     dependency: transitive
     description:
@@ -399,6 +686,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "0.2.0"
+  yaml:
+    dependency: transitive
+    description:
+      name: yaml
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "3.1.0"
 sdks:
   dart: ">=2.12.0 <3.0.0"
-  flutter: ">=1.22.0"
+  flutter: ">=2.0.0"

pubspec.yaml

@@ -10,6 +10,9 @@ dependencies:
     sdk: flutter
 
   shared_preferences: "^2.0.3"
+  objectbox: ^1.1.1
+  objectbox_flutter_libs: any
+  path_provider: ^2.0.2
 
   # cupertino_icons: ^0.1.2
   mdi: ^4.0.0
@@ -21,6 +24,8 @@ dependencies:
 dev_dependencies:
   flutter_test:
     sdk: flutter
+  build_runner: ^1.0.0
+  objectbox_generator: any
 
 flutter:
   uses-material-design: true