feat(ui): improve navigation and information

android/app/src/main/AndroidManifest.xml

@@ -1,4 +1,5 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android">
+  <uses-permission android:name="android.permission.INTERNET"/>
     <application
         android:label="oeffimaster"
         android:name="${applicationName}"

doc/diagrams/ERDiagram.mmd

@@ -0,0 +1,64 @@
+erDiagram
+journey||--|{routesegments: "consists of"
+routesegments||--||segment: "sorts"
+segment||--|{departure: "consists of"
+departure}|--|{station: "originates from"
+departure}|--||vehicle: uses
+vehicle||..|{line: "shared data"
+segment}|--||vehicle: uses
+stationlines}|..||station: "general connections"
+stationlines}|..||line: groups
+
+
+journey {
+  int id PK
+  string startstation
+  string endstation
+}
+routesegments {
+  int id PK
+  int journey FK
+  int segment FK
+  int segmentorder
+}
+segment {
+  int id PK
+  string ref
+  int startid FK
+  int endid FK
+  string vehicleid FK
+}
+departure {
+  int id PK
+  string ref
+  string direction
+  string vehicle FK
+  string vehiclename
+  string station FK
+  string stationname
+  string arrivaltime
+  string departuretime
+}
+station {
+  string id PK
+  string name
+}
+stationlines {
+  int id PK
+  string stationid FK
+  string lineid FK
+}
+vehicle {
+  string vehicleid PK
+  string name
+  string line FK
+}
+line {
+  string lineid PK
+  string name
+  string mode
+  string destination
+  string direction
+  string fgcolor
+  string bgcolor
+}

doc/diagrams/flowchart_to_journey.mmd

@@ -0,0 +1,8 @@
+flowchart TD
+Start-->stat[Search Station]-->selstat[Select station]
+selstat-->seldep["`Select departure:
+vehicle, direction & time`"]
+seldep-->selarr["`Select arrival station:
+when & where to exit`"] --> sw{switch?} --yes-->seldep
+sw--"no"-->fin([journey details])
+

doc/diagrams/sequencediagram.mmd

@@ -0,0 +1,19 @@
+sequenceDiagram
+  participant api@{ "type": "entity"} as public transport API
+  participant ah as api_handler
+  participant ui as UI
+  participant th as transport_helper
+  participant db@{ "type":"database"} as database
+
+ui-->>ah: find Station
+ah-->>api: GET request w/ stationname
+api-->>ah: return json
+ah-->>th: provide json Map
+th-->>db: store object
+db-->>th: return id
+th-->>ah: return object
+ah-->>ui: display data
+
+
+
+

doc/project_and_design/requirements.md

@@ -1,10 +1,10 @@
-- running mobile app
-- users should be able to
-	- plan public transport in the VBB transit network
-	- create and customise routes quickly and on-the-fly
-	- edit routes from anywhere, where respective route information can be seen
-	- compare routes easily, especially between different endpoints
-- the app should offer up the information most relevant to current route planning
-	- between route steps, there should be no more than 3 taps required, optimally even just one(1), scrolling excluded
-	- e.g. only lines that connect to a station should be shown
-	- stations that a line goes through should be available as next node/ step for planning
+- [x] running mobile app
+- [ ] users should be able to
+	- [~] plan public transport in the VBB transit network
+	- [~] create and customise routes quickly and on-the-fly
+	- [ ] edit routes from anywhere, where respective route information can be seen
+	- [ ] compare routes easily, especially between different endpoints
+- [~] the app should offer up the information most relevant to current route planning
+	- [x] between route steps, there should be no more than 3 taps required, optimally even just one(1), scrolling excluded
+	- [x] e.g. only lines that connect to a station should be shown
+	- [x] stations that a line goes through should be available as next node/ step for planning

lib/api_handler.dart

@@ -6,19 +6,19 @@ import 'dart:convert';
 
 import 'transport_helper.dart';
 
+String timeOf(DateTime fullDT) {
+  // doing it this way so we always get two digits on the hour
+  String full = fullDT.toString();
+  List<String> splits = full.split(" ")[1].split(":");
+  String time = '${splits[0]}:${splits[1]}';
+  return time;
+}
+
 class ApiHandler {
   // TODO: Split next line for better Error Handling
   static final String baseUrl = dotenv.get("VBB_API_URL");
   static final String accessID = dotenv.get("VBB_API_KEY");
 
-  // TODO: function calls for the following API calls
-  //   - [x] location.name: findStations
-  //   - [ ] location.nearbystops
-  //   - [ ] location.details
-  //   - [ ] departureBoard
-  //   - [ ] multiDepartureBoard
-  //   - [ ] journeyDetails
-
   //static Future<Map<String, dynamic>> findStations(String locationName) async {
   static Future<List<Station>> findStations(
     String locationName, {
@@ -79,6 +79,7 @@ class ApiHandler {
   static Future<List<Departure>> departures(
     String stationId, {
     int? maxDepartures = -1,
+    DateTime? time,
     int? duration = 0,
   }) async {
     String urlPath = '/api/fahrinfo/latest/departureBoard';
@@ -87,7 +88,9 @@ class ApiHandler {
     Uri url = Uri.https(baseUrl, urlPath, {
       'accessId': accessID,
       'id': stationString,
-      ////'time': /current time //time from which departures will be shown
+      'time': timeOf(
+        time ?? DateTime.now(),
+      ), //time from which departures will be shown
       'duration': duration.toString(), //interval time in minutes
       'maxJourneys': maxDepartures.toString(),
       //'type': 'S', // Station/Stops only

lib/main.dart

@@ -273,9 +273,11 @@ class StationList extends StatelessWidget {
 class ChooseDeparturePage extends StatefulWidget {
   final Station startStation;
   final int? journeyId;
+  final Departure? arrival;
   const ChooseDeparturePage({
     super.key,
     this.journeyId,
+    this.arrival,
     required this.startStation,
   });
 
@@ -288,7 +290,10 @@ class _ChooseDeparturePageState extends State<ChooseDeparturePage> {
   Journey? singleJourney;
 
   void loadDepartures(Station startStation) async {
-    departureList = await ApiHandler.departures(startStation.id);
+    departureList = await ApiHandler.departures(
+      startStation.id,
+      time: widget.arrival?.arrivalTime ?? DateTime.now(),
+    );
     setState(() {});
   }
 
@@ -330,16 +335,25 @@ class _ChooseDeparturePageState extends State<ChooseDeparturePage> {
                 ),
               ),
             ),
-            ElevatedButton(
+            // ElevatedButton(
+            //   onPressed: () {
+            //     if (widget.journeyId != null) {
+            //       loadJourney(widget.journeyId as int);
+            //     }
+            //   },
+            //   child: const Text('Finish Route'),
+            // ),
+          ],
+        ),
+      ),
+      floatingActionButton: FloatingActionButton(
         onPressed: () {
           if (widget.journeyId != null) {
             loadJourney(widget.journeyId as int);
           }
         },
-              child: const Text('Finish Route'),
-            ),
-          ],
-        ),
+        tooltip: 'Finish route',
+        child: const Icon(Icons.check),
       ),
     );
   }
@@ -470,6 +484,7 @@ class _ChooseArrivalPageState extends State<ChooseArrivalPage> {
         builder: (context) => ChooseDeparturePage(
           startStation: startStation,
           journeyId: journeyId,
+          arrival: arrival,
         ),
       ),
     );
@@ -528,8 +543,32 @@ class _JourneyDetailPageState extends State<JourneyDetailPage> {
     return Scaffold(
       appBar: AppBar(title: Text('Connection Details \n$duration')),
       body: Center(
+        child: Column(
+          mainAxisAlignment: MainAxisAlignment.center,
+          children: [
+            Expanded(
+              child: SizedBox(
+                height: 400,
                 child: SegmentList(journey: widget.singleJourney),
               ),
+            ),
+            Container(
+              margin: const EdgeInsets.all(20.0),
+              child: ElevatedButton(
+                onPressed: () {
+                  Navigator.pop(
+                    context,
+                    MaterialPageRoute(
+                      builder: (context) => JourneyOverviewPage(),
+                    ),
+                  );
+                },
+                child: const Text('View all Journeys'),
+              ),
+            ),
+          ],
+        ),
+      ),
     );
   }
 }
@@ -596,6 +635,16 @@ class _JourneyOverviewPageState extends State<JourneyOverviewPage> {
         child: Column(
           mainAxisAlignment: MainAxisAlignment.center,
           children: [
+            Container(
+              padding: EdgeInsets.only(left: 30, top: 50),
+              width: 500.0,
+              height: 100.0,
+              child: FittedBox(
+                fit: BoxFit.contain,
+                alignment: Alignment.centerLeft,
+                child: Text("Your Journeys"),
+              ),
+            ),
             FutureBuilder(
               future: loadJourneys(),
               builder: (context, snapshot) {
@@ -648,17 +697,17 @@ class _JourneyOverviewPageState extends State<JourneyOverviewPage> {
                 );
               },
             ),
-            ElevatedButton(
-              onPressed: () {
-                Navigator.push(
-                  context,
-                  MaterialPageRoute(
-                    builder: (context) => ChooseStationPage(),
-                  ),
-                );
-              },
-              child: const Text('Start a route'),
-            ),
+            // ElevatedButton(
+            //   onPressed: () {
+            //     Navigator.push(
+            //       context,
+            //       MaterialPageRoute(
+            //         builder: (context) => ChooseStationPage(),
+            //       ),
+            //     );
+            //   },
+            //   child: const Text('Start a route'),
+            // ),
           ],
         ),
       ),

lib/transport_helper.dart

@@ -187,9 +187,7 @@ class Journey {
     database.execute("""CREATE TABLE IF NOT EXISTS '$tableName'(
     id            INTEGER PRIMARY KEY AUTOINCREMENT,
     startstation  TEXT,
-    endstation    TEXT,
-    FOREIGN KEY (startstation) REFERENCES station(name)
-    FOREIGN KEY (endstation) REFERENCES station(name)
+    endstation    TEXT
     );
     """);
   }