9 Commits
8 changed files with 167 additions and 63 deletions
+1
View File
@@ -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}"
+64
View File
@@ -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
}
+8
View File
@@ -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])
+19
View File
@@ -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
+10 -10
View File
@@ -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
+12 -9
View File
@@ -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
+9 -3
View File
@@ -4,12 +4,12 @@ import 'api_handler.dart';
import 'transport_helper.dart';
import 'dart:async';
import 'package:sqflite_common_ffi/sqflite_ffi.dart'; //for testing on desktop
// import 'package:sqflite_common_ffi/sqflite_ffi.dart'; //for testing on desktop
void main() async {
await dotenv.load();
const String dbName = "oeffimasterTransportDb";
databaseFactory = databaseFactoryFfi; // for debugging and desktop test
// databaseFactory = databaseFactoryFfi; // for debugging and desktop test
DbHelper.initDb(dbName);
runApp(const MyApp());
}
@@ -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(() {});
}
@@ -470,6 +475,7 @@ class _ChooseArrivalPageState extends State<ChooseArrivalPage> {
builder: (context) => ChooseDeparturePage(
startStation: startStation,
journeyId: journeyId,
arrival: arrival,
),
),
);
+42 -39
View File
@@ -41,11 +41,11 @@ class DbHelper {
}
}
/// this class covers two database tables: "route" and "routesegments"
/// while route will for now only hold an id, routesegments will store the
/// m-n/ 1-n relations between routes and segments - the segments contain the most
/// relevant info, while routesegments stores which route the segments belong to
/// and in which order they make up a route
/// this class covers two database tables: "journey" and "routesegments"
/// while journey will for now only hold an id, routesegments will store the
/// m-n/ 1-n relations between journeys and segments - the segments contain the most
/// relevant info, while routesegments stores which journey the segments belong to
/// and in which order they make up a journey
class Journey {
static const String tableName = "journey";
// TODO: add last_viewed, last_modified and such
@@ -63,7 +63,7 @@ class Journey {
required this.duration,
});
/// toMap for Journey but it's just route ids for now
/// toMap for Journey but it's just journey ids for now
Map<String, Object?> _toMapJourney() {
return {"id": id, "startstation": startStation, "endstation": endStation};
}
@@ -74,7 +74,7 @@ class Journey {
List<Map<String, Object?>> tmp = [];
for (final (segmentIdx, segment) in segments.indexed) {
tmp.add({
"route": id,
"journey": id,
"segment": segment.id,
"segmentorder": segmentIdx,
});
@@ -91,13 +91,13 @@ class Journey {
}
factory Journey.fromMap(
Map<String, Object?> routeMaps,
Map<String, Object?> journeyMaps,
List<Segment> segmentMaps,
) {
return Journey(
id: routeMaps["id"] as int,
startStation: routeMaps["startstation"] as String?,
endStation: routeMaps["endstation"] as String?,
id: journeyMaps["id"] as int,
startStation: journeyMaps["startstation"] as String?,
endStation: journeyMaps["endstation"] as String?,
segments: segmentMaps,
duration: Duration(minutes: 0),
);
@@ -138,10 +138,10 @@ class Journey {
segments.last.end.arrivalTime,
);
} else {
// if the route has no segments yet, at least the startStation should remain,
// if the journey has no segments yet, at least the startStation should remain,
// otherwise delete the thing
// having a startStation makes the first step faster at least
// no need to put a mostly empty route into the db though
// no need to put a mostly empty journey into the db though
endStation = null;
duration = Duration(minutes: 0);
}
@@ -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
);
""");
}
@@ -199,7 +197,7 @@ class Journey {
String segment = Segment.tableName;
database.execute("""CREATE TABLE IF NOT EXISTS routesegments(
id INTEGER PRIMARY KEY AUTOINCREMENT,
route INTEGER,
journey INTEGER,
segment INTEGER,
segmentorder INTEGER, -- TODO: implement sorting
FOREIGN KEY('$tableName') REFERENCES '$tableName'(id),
@@ -216,9 +214,9 @@ class Journey {
where: "id = ?",
whereArgs: [id],
);
assert(result.length < 2, "found more than 1 route for id $id");
Journey route = Journey.fromMap(result.first, await routeSegments);
return route;
assert(result.length < 2, "found more than 1 journey for id $id");
Journey journey = Journey.fromMap(result.first, await routeSegments);
return journey;
}
/// gets routesegments and hands them to the Journey.fromMap factory, works async
@@ -244,14 +242,14 @@ class Journey {
}
static Future<List<Segment>> _dbGetJourneySegments(
int routeId,
int journeyId,
) async {
Database database = DbHelper.db;
String segment = Segment.tableName;
var tmp = await database.rawQuery("""
SELECT * FROM '$segment'
JOIN routesegments ON routesegments.segment = '$segment'.id
WHERE routesegments.route = '$routeId'
WHERE routesegments.journey = '$journeyId'
ORDER BY routesegments.segmentorder ASC;
""");
@@ -273,15 +271,15 @@ class Journey {
return id_tmp;
}
static void dbAppendJourneySegment(int routeId, int segmentid) {
static void dbAppendJourneySegment(int journeyId, int segmentid) {
Database database = DbHelper.db;
// generate segmentorder to be 0 if no segment exists for route, otherwise
// take highest segmentorder+1 for given route
// generate segmentorder to be 0 if no segment exists for journey, otherwise
// take highest segmentorder+1 for given journey
database.rawInsert(
"""INSERT INTO routesegments(route, segment, segmentorder) VALUES
($routeId, $segmentid, CASE WHEN EXISTS (
SELECT segmentorder FROM routesegments r WHERE r.route=$routeId) THEN (
SELECT segmentorder AS so FROM routesegments r WHERE r.route=$routeId
"""INSERT INTO routesegments(journey, segment, segmentorder) VALUES
($journeyId, $segmentid, CASE WHEN EXISTS (
SELECT segmentorder FROM routesegments r WHERE r.journey=$journeyId) THEN (
SELECT segmentorder AS so FROM routesegments r WHERE r.journey=$journeyId
ORDER BY so DESC LIMIT 1) +1 ELSE 0 END);
""",
);
@@ -322,7 +320,7 @@ class Journey {
database.update(
"routesegments",
routeSegments[i],
where: "route = ? AND segmentoder = ?",
where: "journey = ? AND segmentoder = ?",
whereArgs: [id, i],
);
}
@@ -342,7 +340,7 @@ class Journey {
Database database = DbHelper.db;
database.delete(
"routesegments",
where: "route = ? AND segmentorder = ?",
where: "journey = ? AND segmentorder = ?",
whereArgs: [id, idx], // TODO: test the index
);
}
@@ -351,7 +349,7 @@ class Journey {
Database database = DbHelper.db;
database.delete(
"routesegments",
where: "route = ? AND segmentorder = ?",
where: "journey = ? AND segmentorder = ?",
whereArgs: [id, segments.length - 1], // TODO: test the index
);
}
@@ -361,7 +359,7 @@ class Journey {
if (position <= segments.length) {
database.delete(
"routesegments",
where: "route = ? AND segmentorder >= ?",
where: "journey = ? AND segmentorder >= ?",
whereArgs: [id, position],
);
}
@@ -493,7 +491,7 @@ class Segment {
FROM $tableName s
JOIN $departure start ON s.startid = start.id
JOIN $departure end ON s.endid = end.id
JOIN $vehicle v ON s.vehicleid = v.id
JOIN $vehicle v ON s.vehicleid = v.vehicleid
where s.id = $id;
""",
);
@@ -526,7 +524,7 @@ class Segment {
"departuretime": seg["end_departuretime"] as String,
};
Map<String, String> vehicleMap = {
"id": seg["vehicleid"] as String,
"vehicleid": seg["vehicleid"] as String,
"name": seg["vehiclename"] as String,
"line": seg["vehicleline"] as String,
};
@@ -735,7 +733,7 @@ class Vehicle {
Map<String, Object?> _toMap() {
return {
"id": vehicleid,
"vehicleid": vehicleid,
"name": name,
"line": vehicleLineId,
};
@@ -745,7 +743,7 @@ class Vehicle {
Map<String, Object?> map,
) {
return Vehicle(
vehicleid: map["id"] as String,
vehicleid: map["vehicleid"] as String,
name: map["name"] as String,
vehicleLineId: map["line"] as String,
);
@@ -775,7 +773,7 @@ class Vehicle {
Database database = DbHelper.db;
var vehicleMap = await database.query(
tableName,
where: "id = ?",
where: "vehicleid = ?",
whereArgs: [vehicleId],
);
return Vehicle.fromMap(vehicleMap.first);
@@ -792,7 +790,12 @@ class Vehicle {
void dbUpdate() async {
Database database = DbHelper.db;
database.update(tableName, _toMap(), where: "id=?", whereArgs: [vehicleid]);
database.update(
tableName,
_toMap(),
where: "vehicleid=?",
whereArgs: [vehicleid],
);
}
void dbDelete() async {