Lift the whole app one level up

mobile-app/lib/data/github_adapter.dart

@@ -1,26 +1,39 @@
+import 'dart:collection';
 import 'dart:convert';
 
+import 'package:flutter/material.dart';
 import 'package:http/http.dart' as http;
-import 'package:toolheim/warband_roaster.dart';
+import 'package:toolheim/data/warband_roaster.dart';
 import 'package:yaml/yaml.dart';
 
-enum SyncState {
-  unknown,
-  running,
-  success,
-  error,
-}
+class GitHubAdapter extends ChangeNotifier {
+  String _repository = 'Labernator/Mordheim';
+  String _path = 'Mordheim-BorderTownBurning/Warband Rosters';
 
-class GitHubAdapter {
-  // TODO: Store this in the SharedPreferences
-  final String repository;
-  final String path;
+  List<String> _syncErrors = new List<String>();
+  DateTime _lastSync;
 
-  static SyncState syncState = SyncState.unknown;
-  List<String> syncErrors = new List<String>();
-  static DateTime lastSync;
+  List<WarbandRoaster> _roasters = [];
+  String _activePlayerName = 'Aaron';
 
-  GitHubAdapter(this.repository, this.path);
+  String get repository => _repository;
+  String get path => _path;
+
+  DateTime get lastSync => _lastSync;
+  UnmodifiableListView<String> get syncErrors => _syncErrors;
+
+  UnmodifiableListView<WarbandRoaster> get roasters =>
+      UnmodifiableListView(_roasters);
+  WarbandRoaster get activeRoaster => _roasters.firstWhere((roaster) {
+        return roaster.playerName == _activePlayerName;
+      });
+
+  void changeActiveRoaster(String playerName) {
+    _activePlayerName = playerName;
+    notifyListeners();
+  }
+
+  // TODO: Add persistence layer here
 
   /// Search for warband files in the GitHub repository
   ///
@@ -28,22 +41,22 @@ class GitHubAdapter {
   /// subfolder (see fields [repository] and [path]). If the file
   /// contain errors or can't read, a sync error message will be written into
   /// the [syncErrors] list.
-  Future<List<WarbandRoaster>> search() async {
-    syncErrors.clear();
+  void search() async {
+    _syncErrors.clear();
 
     Stream<Map<String, String>> roasterStream() async* {
       // Get all files which could be potential warband files (end with
       // mordheim.yml and contain the word "heros").
       http.Response response = await http.get(
           "https://api.github.com/search/code?q=heros+repo:" +
-              repository +
+              _repository +
               "+filename:mordheim.yml+path:\"" +
-              path +
+              _path +
               "\"");
 
       // GitHub is not reachable
       if (response.statusCode != 200) {
-        syncErrors.add('Could not find any warband roaster files');
+        _syncErrors.add('Could not find any warband roaster files');
         yield {};
         return;
       }
@@ -53,7 +66,7 @@ class GitHubAdapter {
       try {
         searchResults = jsonDecode(response.body);
       } on FormatException catch (e) {
-        syncErrors.add('Could not parse GitHub response.' + e.toString());
+        _syncErrors.add('Could not parse GitHub response.' + e.toString());
         yield {};
         return;
       }
@@ -66,7 +79,7 @@ class GitHubAdapter {
           // in which the file resists
           String completePath = searchResult['path'];
           List<String> pathParts =
-              completePath.substring(path.length + 1).split('/');
+              completePath.substring(_path.length + 1).split('/');
 
           String playerName;
           if (pathParts.length >= 2) {
@@ -76,12 +89,12 @@ class GitHubAdapter {
           // Fetch last change and some metainformation of the file
           http.Response response = await http.get(
               "https://api.github.com/repos/" +
-                  repository +
+                  _repository +
                   "/commits?path=" +
                   completePath);
 
           if (response.statusCode != 200) {
-            syncErrors.add('Could not load the warband metadata from GitHub.');
+            _syncErrors.add('Could not load the warband metadata from GitHub.');
             continue;
           }
 
@@ -90,7 +103,7 @@ class GitHubAdapter {
           try {
             commits = jsonDecode(response.body);
           } on FormatException catch (e) {
-            syncErrors.add('Could not parse GitHub response.' + e.toString());
+            _syncErrors.add('Could not parse GitHub response.' + e.toString());
             continue;
           }
 
@@ -112,12 +125,12 @@ class GitHubAdapter {
       }
     }
 
-    List<WarbandRoaster> roasters = new List<WarbandRoaster>();
-    // TODO: Read params from share preferences
+    _roasters.clear();
+    notifyListeners();
     await for (Map<String, String> player in roasterStream()) {
       http.Response response = await http.get(
           "https://raw.githubusercontent.com/" +
-              repository +
+              _repository +
               '/master/' +
               player['filePath']);
 
@@ -135,21 +148,23 @@ class GitHubAdapter {
         // Sp, lastSyncVersion is equal to the currentVersion.
         roaster.lastSyncVersion = roaster.currentVersion;
 
-        roasters.add(roaster);
+        _roasters.add(roaster);
+        notifyListeners();
       } catch (e) {
-        syncErrors.add(e.toString());
+        _syncErrors.add(e.toString());
       }
     }
 
-    return roasters;
+    _lastSync = DateTime.now();
+    notifyListeners();
   }
 
-  Future<SyncState> update() async {
+  void update() async {
     // TODO: Search for warband yml files
     // TODO: Check if it is in the right format
     // TODO: Store it into the database if valid
-    lastSync = DateTime.now();
 
-    return SyncState.success;
+    _lastSync = DateTime.now();
+    notifyListeners();
   }
 }

mobile-app/lib/data/warband_roaster.dart

@@ -1,5 +1,6 @@
 import 'dart:collection';
 
+import 'package:flutter/widgets.dart';
 import 'package:json_annotation/json_annotation.dart';
 
 part 'warband_roaster.g.dart';
@@ -128,6 +129,7 @@ class Hero extends Unit {
   }
 }
 
+@immutable
 class Stats {
   final int movement;
   final int weaponSkill;
@@ -216,6 +218,11 @@ class WarbandRoaster {
     this.race = this.nameAndRace['race'];
   }
 
+  int experience() {
+    // TODO: Calculate
+    return 1337;
+  }
+
   static HashMap<String, String> _warbandNameAndRace(String nameAndRace) {
     HashMap<String, String> nr = new HashMap();
     RegExp re = new RegExp(r"(.*) \((.*)\)");

mobile-app/lib/main.dart

@@ -1,163 +1,30 @@
 import 'package:flutter/material.dart';
-import 'package:toolheim/github_reader.dart';
-import 'package:toolheim/warband_roaster.dart';
+import 'package:provider/provider.dart';
+import 'package:toolheim/data/github_adapter.dart';
+import 'package:toolheim/screens/settings_screen.dart';
+import 'package:toolheim/screens/warband_roaster_screen.dart';
 
-void main() => runApp(Toolheim());
+void main() {
+  runApp(Toolheim());
+}
 
 class Toolheim extends StatelessWidget {
   @override
   Widget build(BuildContext context) {
-    return MaterialApp(
-      title: 'Toolheim',
-      theme: ThemeData(
-        primarySwatch: Colors.brown,
-        accentColor: Colors.grey,
+    return ChangeNotifierProvider(
+      builder: (context) => GitHubAdapter(),
+      child: MaterialApp(
+        title: 'Toolheim',
+        theme: ThemeData(
+          primarySwatch: Colors.brown,
+          accentColor: Colors.grey,
+        ),
+        initialRoute: '/',
+        routes: {
+          '/': (context) => WarbandRoasterScreen(),
+          '/settings': (context) => SettingsScreen()
+        },
       ),
-      home: RoasterWidget(),
     );
   }
 }
-
-class RoasterWidget extends StatefulWidget {
-  @override
-  _RoasterWidgetState createState() => _RoasterWidgetState();
-}
-
-class _RoasterWidgetState extends State<RoasterWidget> {
-  // TODO: Read this from SharedPreferences
-  String activePlayer = 'Aaron';
-  GitHubAdapter github = GitHubAdapter(
-      'Labernator/Mordheim', 'Mordheim-BorderTownBurning/Warband Rosters');
-
-  List<Widget> playerList(List<WarbandRoaster> roasters) {
-    List<Widget> tiles = new List();
-
-    WarbandRoaster myWarband = roasters.firstWhere((roaster) {
-      return roaster.playerName == activePlayer;
-    });
-
-    // Show some stats for the own warband
-    tiles.add(UserAccountsDrawerHeader(
-      otherAccountsPictures: <Widget>[
-        IconButton(
-          icon: Icon(Icons.refresh),
-          color: Colors.white,
-          tooltip: 'Refresh warbands',
-          onPressed: () {
-            setState(() {
-              //roasters = await github.update();
-            });
-          },
-        ),
-        IconButton(
-          icon: Icon(Icons.search),
-          color: Colors.white,
-          tooltip: 'Read warbands',
-          onPressed: () {
-            setState(() {
-              //roasters = await github.search()
-            });
-          },
-        )
-      ],
-      accountName: Text(myWarband.name),
-      accountEmail: Text(myWarband.race),
-      currentAccountPicture: CircleAvatar(
-        child: Text('Aa'),
-      ),
-    ));
-
-    // TODO: Order Players on CP or rating
-
-    roasters.forEach((roaster) {
-      // We mark inactive warbands with a gray acent
-      var textColor = Colors.black;
-      if (!roaster.active) {
-        textColor = Colors.black45;
-      }
-
-      tiles.add(ListTile(
-          title: Text(roaster.name + ' (' + roaster.playerName + ')',
-              style: TextStyle(color: textColor)),
-          subtitle: Text(roaster.currentVersion.message),
-          isThreeLine: true,
-          trailing: Chip(
-              label: Text(
-            '326 XP',
-          ))));
-    });
-
-    tiles.add(Divider());
-
-    return tiles;
-  }
-
-  @override
-  Widget build(BuildContext context) {
-    return FutureBuilder(
-        future: github.search(),
-        builder: (BuildContext context, AsyncSnapshot snapshot) {
-          switch (snapshot.connectionState) {
-            case ConnectionState.none:
-            case ConnectionState.waiting:
-            case ConnectionState.active:
-              return Center(child: CircularProgressIndicator());
-            case ConnectionState.done:
-              List<WarbandRoaster> roasters = snapshot.data;
-
-              if (roasters.length == 0) {
-                return Text('No warbands found');
-              }
-
-              // TODO: Replace with router
-              WarbandRoaster warband = roasters.firstWhere((roaster) {
-                return roaster.playerName == this.activePlayer;
-              });
-
-              return Scaffold(
-                  appBar: AppBar(
-                    title: Text(warband.name),
-                  ),
-                  drawer: Drawer(
-                    child: SingleChildScrollView(
-                        child: Column(children: playerList(roasters))),
-                  ),
-                  body: ListView.builder(
-                      itemCount:
-                          warband.heros.length + warband.henchmenGroups.length,
-                      itemBuilder: (BuildContext context, int index) {
-                        // TODO: Sort by initiative
-                        if (index < warband.heros.length) {
-                          var hero = warband.heros[index];
-
-                          return ListTile(
-                            title: Text(hero.name),
-                            leading: CircleAvatar(
-                              child: Text(hero.experience.toString()),
-                              backgroundColor: Colors.green,
-                              foregroundColor: Colors.greenAccent,
-                            ),
-                            subtitle: Text(hero.type),
-                          );
-                        } else {
-                          var henchmenGroup = warband
-                              .henchmenGroups[index - warband.heros.length];
-
-                          return ListTile(
-                            title: Text(henchmenGroup.name),
-                            trailing: Chip(
-                                label: Text(
-                                    henchmenGroup.number.toString() + 'x')),
-                            leading: CircleAvatar(
-                              child: Text(henchmenGroup.experience.toString()),
-                              backgroundColor: Colors.orange,
-                              foregroundColor: Colors.white,
-                            ),
-                            subtitle: Text(henchmenGroup.type),
-                          );
-                        }
-                      }));
-          }
-        });
-  }
-}

mobile-app/lib/screens/settings_screen.dart

@@ -0,0 +1,14 @@
+import 'package:flutter/material.dart';
+import 'package:provider/provider.dart';
+
+import 'package:toolheim/data/github_adapter.dart';
+
+class SettingsScreen extends StatelessWidget {
+  @override
+  Widget build(BuildContext context) {
+    GitHubAdapter github = Provider.of<GitHubAdapter>(context);
+
+    return Scaffold(
+        appBar: AppBar(title: Text('Settings')), body: Text(github.repository));
+  }
+}

mobile-app/lib/screens/warband_roaster_screen.dart

@@ -0,0 +1,68 @@
+import 'package:flutter/material.dart';
+import 'package:provider/provider.dart';
+
+import 'package:toolheim/data/github_adapter.dart';
+import 'package:toolheim/data/warband_roaster.dart';
+import 'package:toolheim/widgets/warband_drawer_widget.dart';
+
+class WarbandRoasterScreen extends StatelessWidget {
+  @override
+  Widget build(BuildContext context) {
+    GitHubAdapter github = Provider.of<GitHubAdapter>(context);
+
+    if (github.lastSync == null) {
+      return Scaffold(
+          appBar: AppBar(title: Text('Toolheim')),
+          body: Center(
+            child: IconButton(
+              icon: Icon(Icons.search),
+              color: Colors.black,
+              tooltip: 'Search for warbands',
+              onPressed: github.search,
+            ),
+          ));
+    }
+
+    WarbandRoaster roaster = github.activeRoaster;
+
+    return Scaffold(
+        appBar: AppBar(
+          title: Text(roaster.name),
+        ),
+        drawer:
+            Drawer(child: SingleChildScrollView(child: WarbandDrawerWidget())),
+        body: ListView.builder(
+            itemCount: roaster.heros.length + roaster.henchmenGroups.length,
+            itemBuilder: (BuildContext context, int index) {
+              // TODO: Sort by initiative
+              if (index < roaster.heros.length) {
+                var hero = roaster.heros[index];
+
+                return ListTile(
+                  title: Text(hero.name),
+                  leading: CircleAvatar(
+                    child: Text(hero.experience.toString()),
+                    backgroundColor: Colors.green,
+                    foregroundColor: Colors.greenAccent,
+                  ),
+                  subtitle: Text(hero.type),
+                );
+              } else {
+                var henchmenGroup =
+                    roaster.henchmenGroups[index - roaster.heros.length];
+
+                return ListTile(
+                  title: Text(henchmenGroup.name),
+                  trailing:
+                      Chip(label: Text(henchmenGroup.number.toString() + 'x')),
+                  leading: CircleAvatar(
+                    child: Text(henchmenGroup.experience.toString()),
+                    backgroundColor: Colors.orange,
+                    foregroundColor: Colors.white,
+                  ),
+                  subtitle: Text(henchmenGroup.type),
+                );
+              }
+            }));
+  }
+}

mobile-app/lib/widgets/warband_drawer_widget.dart

@@ -0,0 +1,68 @@
+import 'package:flutter/material.dart';
+import 'package:provider/provider.dart';
+import 'package:toolheim/data/github_adapter.dart';
+import 'package:toolheim/data/warband_roaster.dart';
+
+class WarbandDrawerWidget extends StatelessWidget {
+  @override
+  Widget build(BuildContext context) {
+    GitHubAdapter github = Provider.of<GitHubAdapter>(context);
+
+    if (github.lastSync == null) {
+      // Add search button
+      return Column(children: <Widget>[]);
+    }
+
+    WarbandRoaster activeRoaster = github.activeRoaster;
+    List<WarbandRoaster> roasters = github.roasters;
+
+    List<Widget> tiles = new List();
+
+    // Show some stats for the own warband
+    tiles.add(UserAccountsDrawerHeader(
+      //otherAccountsPictures: <Widget>[
+      //  IconButton(
+      //    icon: Icon(Icons.refresh),
+      //    color: Colors.white,
+      //    highlightColor: Colors.brown,
+      //    tooltip: 'Refresh warbands',
+      //    onPressed: github.update,
+      //  ),
+      //  IconButton(
+      //    icon: Icon(Icons.search),
+      //    color: Colors.white,
+      //    tooltip: 'Read warbands',
+      //    onPressed: github.search,
+      //  )
+      //],
+      accountName: Text(activeRoaster.name),
+      accountEmail: Text(activeRoaster.race),
+    ));
+
+    // TODO: Order Players on CP or rating
+
+    roasters.forEach((roaster) {
+      // We mark inactive warbands with a gray acent
+      var textColor = Colors.black;
+      if (!roaster.active) {
+        textColor = Colors.black45;
+      }
+
+      tiles.add(ListTile(
+          onTap: () {
+            github.changeActiveRoaster(roaster.playerName);
+            Navigator.of(context).pop();
+          },
+          title: Text(roaster.name + ' (' + roaster.playerName + ')',
+              style: TextStyle(color: textColor)),
+          subtitle: Text(roaster.currentVersion.message),
+          isThreeLine: true,
+          trailing:
+              Chip(label: Text(roaster.campaignPoints.toString() + ' CP'))));
+    });
+
+    tiles.add(Divider());
+
+    return Column(children: tiles);
+  }
+}

mobile-app/pubspec.lock

@@ -312,6 +312,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.4.0"
+  provider:
+    dependency: "direct main"
+    description:
+      name: provider
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "3.0.0+1"
   pub_semver:
     dependency: transitive
     description:

mobile-app/pubspec.yaml

@@ -22,6 +22,7 @@ dependencies:
   yaml:
   checked_yaml:
   http:
+  provider:
 
   # The following adds the Cupertino Icons font to your application.
   # Use with the CupertinoIcons class for iOS style icons.