overhaul using a trip struct that notifies its ui dependencies

frontend/lib/layout.dart

@@ -1,3 +1,6 @@
+import 'dart:collection';
+
+import 'package:anyway/structs/landmark.dart';
 import 'package:flutter/material.dart';
 
 import 'package:anyway/constants.dart';
@@ -15,12 +18,12 @@ import 'package:anyway/pages/profile.dart';
 // A side drawer is used to switch between pages
 class BasePage extends StatefulWidget {
   final String mainScreen;
-  final Future<Trip>? trip;
-  
+  final Trip? trip;
+
   const BasePage({
     super.key,
     required this.mainScreen,
-    this.trip
+    this.trip,
   });
 
   @override
@@ -53,13 +56,13 @@ class _BasePageState extends State<BasePage> {
           children: [
             DrawerHeader(
               decoration: BoxDecoration(
-                gradient: LinearGradient(colors: [Colors.cyan, theme.primaryColor])
+                gradient: LinearGradient(colors: [Colors.red, Colors.yellow])
               ),
               child: Center(
                 child: Text(
                   APP_NAME,
                   style: TextStyle(
-                    color: Colors.white,
+                    color: Colors.grey[800],
                     fontSize: 24,
                     fontWeight: FontWeight.bold,
                   ),
@@ -129,9 +132,54 @@ class _BasePageState extends State<BasePage> {
   }
 }
 
-
-
-Future<Trip> getFirstTrip (Future<List<Trip>> trips) async {
-  List<Trip> tripsf = await trips;
-  return tripsf[0];
+// This function is used to get the first trip from a list of trips
+// TODO: Implement this function
+Trip getFirstTrip(Future<List<Trip>> trips) {
+  Trip t1 = Trip(uuid: '1', landmarks: LinkedList<Landmark>());
+  t1.landmarks.add(
+    Landmark(
+      uuid: '1',
+      name: "Eiffel Tower",
+      location: [48.859, 2.295],
+      type: LandmarkType(name: "Tower"),
+      imageURL: "https://upload.wikimedia.org/wikipedia/commons/thumb/a/a8/Tour_Eiffel_Wikimedia_Commons.jpg/1037px-Tour_Eiffel_Wikimedia_Commons.jpg"
+    ),
+  );
+  t1.landmarks.add(
+    Landmark(
+      uuid: "2",
+      name: "Notre Dame Cathedral",
+      location: [48.8530, 2.3498],
+      type: LandmarkType(name: "Monument"),
+      imageURL: "https://upload.wikimedia.org/wikipedia/commons/thumb/f/f7/Notre-Dame_de_Paris%2C_4_October_2017.jpg/440px-Notre-Dame_de_Paris%2C_4_October_2017.jpg"
+    ),
+  );
+  t1.landmarks.add(
+    Landmark(
+      uuid: "3",
+      name: "Louvre palace",
+      location: [48.8606, 2.3376],
+      type: LandmarkType(name: "Museum"),
+      imageURL: "https://upload.wikimedia.org/wikipedia/commons/thumb/6/66/Louvre_Museum_Wikimedia_Commons.jpg/540px-Louvre_Museum_Wikimedia_Commons.jpg"
+    ),
+  );
+  t1.landmarks.add(
+    Landmark(
+      uuid: "4",
+      name: "Pont-des-arts",
+      location: [48.8585, 2.3376],
+      type: LandmarkType(name: "Bridge"),
+      imageURL: "https://upload.wikimedia.org/wikipedia/commons/thumb/d/d1/Pont_des_Arts%2C_6e_Arrondissement%2C_Paris_%28HDR%29_20140320_1.jpg/560px-Pont_des_Arts%2C_6e_Arrondissement%2C_Paris_%28HDR%29_20140320_1.jpg"
+    ),
+  );
+  t1.landmarks.add(
+    Landmark(
+      uuid: "5",
+      name: "Panthéon",
+      location: [48.847, 2.347],
+      type: LandmarkType(name: "Monument"),
+      imageURL: "https://upload.wikimedia.org/wikipedia/commons/thumb/8/80/Pantheon_of_Paris_007.JPG/1280px-Pantheon_of_Paris_007.JPG"
+    ),
+  );
+  return t1;
 }