Merge pull request #3 from LinlyBoi/fetching-list

Fetching list

lib/arrival_fetch.dart

@@ -0,0 +1,49 @@
+import 'dart:convert';
+import 'dart:async';
+
+import 'package:http/http.dart' as http;
+
+Future<List<Arrival>> fetchArrivals() async {
+  try {
+    final response = await http.get(Uri.parse('http://141.144.238.26:48502/arrivals/all'));
+
+    if (response.statusCode == 200) {
+      // List<dynamic> data = jsonDecode(response.body);
+      // List<Arrival> arrivals = List<Arrival>.from(data.map((dynamic arrivalJson) {
+      //   return Arrival.fromJson(arrivalJson);
+      // }));
+      Iterable I = json.decode(response.body);
+      List<Arrival> arrivals = List<Arrival>.from(I.map((model)=>Arrival.fromJson(model)));
+      return arrivals;
+    } else {
+      throw Exception('Failed to load Arrival');
+    }
+  } catch (error) {
+    throw Exception('Failed to fetch data: $error');
+  }
+}
+
+
+class Arrival {
+  final String timeOfDay;
+  final int weekDay;
+  final int tramLine;
+  final bool direction;
+
+  Arrival({
+    required this.timeOfDay,
+    required this.weekDay,
+    required this.tramLine,
+    required this.direction,
+  });
+
+  factory Arrival.fromJson(Map<String, dynamic> json) {
+    return Arrival(
+      timeOfDay: json['time_of_day'] as String,
+      weekDay: json['week_day'] as int,
+      tramLine: json['tram_line'] as int,
+      direction: json['direction'] as bool,
+    );
+  }
+}
+

lib/arrival_post.dart

@@ -1,4 +1,5 @@
 import 'dart:convert';
+
 import 'package:http/http.dart' as http;
 
 Future<Album> createAlbum(String title) async {

lib/fetcher.dart

@@ -1,10 +1,16 @@
 import 'package:flutter/material.dart';
-import 'package:witl/home_screen.dart';
+import 'package:witl/arrival_fetch.dart';
-import 'package:witl/input_data.dart';
 
-class FetchAPI extends StatelessWidget {
+class FetchAPI extends StatefulWidget {
   const FetchAPI({super.key});
 
+  @override
+  State<FetchAPI> createState() => _FetchAPIState();
+}
+
+class _FetchAPIState extends State<FetchAPI> {
+  late Future<List<Arrival>> fetchedArrivals;
+
   @override
   Widget build(BuildContext context) {
     return Scaffold(
@@ -14,33 +20,71 @@ class FetchAPI extends StatelessWidget {
       body: Column(
         mainAxisAlignment: MainAxisAlignment.start,
         children: [
-          InkWell(
+          Expanded(
-            onTap:() {
+            child: SizedBox(
-              Navigator.push(
+              child: FutureBuilder<List<Arrival>>(
-                context,
+                future: fetchedArrivals,
-                MaterialPageRoute(builder: (context) => const HomeScreen())
+                builder: (context, snapshot) {
+                  if (snapshot.connectionState == ConnectionState.waiting) {
+                    return const CircularProgressIndicator();
+                  } else if (snapshot.hasError) {
+                    return Text('Failed to fetch data.\nError: ${snapshot.error}');
+                  } else {
+                    return ListView.builder(
+                      itemCount: snapshot.data!.length,
+                      itemBuilder: (context, index) {
+                        return ListTile(
+                          title: Text("Arrival Time: ${snapshot.data![index].timeOfDay}"),
+                          titleAlignment: ListTileTitleAlignment.center,
+                          subtitle: Text("Week Day: ${weekNumToString(snapshot.data![index].weekDay)}"),
                         );
                       },
+                    );
+                  }
+                },
+              ),
+            ),
+          ),
+          const SizedBox(height: 30,),
+          InkWell(
+            onTap: () {
+              Navigator.pushNamedAndRemoveUntil(context, '/', (route) => false);
+            },
             child: Container(
               padding: const EdgeInsets.all(20.0),
-              child: const Text("To Homescreen")
+              child: const Text("Homescreen"),
-            ),
-          ),
-          const SizedBox(height: 20),
-          InkWell(
-            onTap:() {
-              Navigator.push(
-                context,
-                MaterialPageRoute(builder: (context) => const InputData())
-                );
-            },
-            child: Container(
-              padding: const EdgeInsets.all(20.0),
-              child: const Text("To Input Data")
             ),
           ),
+          const SizedBox(height: 35,),
         ],
       ),
     );
   }
+
+  @override
+  void initState() {
+    super.initState();
+    fetchedArrivals = fetchArrivals();
+  }
+}
+
+String weekNumToString(int weekday) {
+  switch (weekday) {
+    case 1:
+      return "Monday";
+    case 2:
+      return "Tuesday";
+    case 3:
+      return "Wednesday";
+    case 4:
+      return "Thursday";
+    case 5:
+      return "Friday";
+    case 6:
+      return "Saturday";
+    case 7:
+      return "Sunday";
+  }
+
+  throw "AAAAAAAAA";
 }

lib/input_data.dart

@@ -5,7 +5,7 @@ class InputData extends StatefulWidget {
   const InputData({super.key});
 
   @override
-  _InputDataState createState() => _InputDataState();
+  State<InputData> createState() => _InputDataState();
 }
 
 class _InputDataState extends State<InputData> {