Appointments system

android/app/src/main/AndroidManifest.xml

@@ -1,4 +1,6 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android">
+    <uses-permission android:name="android.permission.INTERNET"/>
+
     <application
         android:label="queue_client"
         android:name="${applicationName}"

lib/backend/DataManager.dart

@@ -24,6 +24,7 @@ class _DataManager{
   _DataManager();
 
   List<dynamic> services = [];
+  List<dynamic> joinedServices=[];
   List<Map<String, dynamic>> AvailableServices = [];
   List<Map<String, dynamic>> JoinedServices = [];
   String Username = "";
@@ -74,34 +75,45 @@ class _DataManager{
       Debug.LogError(e);
     }
 
-    ProcessServices();
+
+
+    await ProcessServices();
   }
 
-  void ProcessServices(){
+  Future<void> ProcessServices() async{
+    try{
+      var response = (await http.post(
+          Uri.parse('${API_ENDPOINT}get_joined_services.php'),
+          body: <String, String>{
+            'userId':userId.toString()
+          }));
+
+      Debug.LogResponse(response.body.toString());
+      joinedServices = jsonDecode(response.body.toString());
+      Debug.LogResponse(services);
+    }catch(e){
+      Debug.LogError(e);
+    }
     AvailableServices=[];
     JoinedServices=[];
     for (var m_service in services) {
-      Map<String,dynamic> service= jsonDecode(m_service);
+      Map<String,dynamic> service = jsonDecode(m_service);
       if(DateTime.parse(service['end_time']).isBefore(DateTime.now())){
         continue;
       }
-      List<String> members = service['members'].toString().split(',');
+      bool joined = false;
-
+      for (var m_joinedService in joinedServices){
-      if(members.contains(userId.toString())){
+        if(service['id'] == jsonDecode(m_joinedService)['service_id']){
-        int tokenId = 0;
+          //Joined this
-        for(int i=0;i<members.length; i++){
+          JoinedServices.add(jsonDecode(m_joinedService));
-          if(members[i] == userId.toString()){
+          joined=true;
-            tokenId = i;
+          break;
-            break;
-          }
         }
-        service.putIfAbsent("tokenId", () => tokenId);
-        JoinedServices.add(service);
-      }else{
-        AvailableServices.add(service);
       }
 
-      m_service = jsonEncode(service);
+      if(!joined){
+        AvailableServices.add(service);
+      }
     }
   }
 
@@ -130,7 +142,7 @@ class _DataManager{
       Debug.LogError(e);
     }
 
-    ProcessServices();
+    await ProcessServices();
   }
 }
 

lib/backend/DebugHelper.dart

@@ -15,6 +15,7 @@ class Debug{
   static void LogError(Object? msg){
     if(!enableLogging){return;}
     if(!enableErrorLoggin) {return;}
+    print(StackTrace.current);
     print('\x1B[31m$msg\x1B[0m');
   }
 

lib/backend/Dialogs.dart

@@ -3,6 +3,7 @@
 import 'package:duration_picker/duration_picker.dart';
 import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';
+import 'package:queue_client/backend/DebugHelper.dart';
 // import 'package:flutter_spinkit/flutter_spinkit.dart';
 // import 'package:shared_preferences/shared_preferences.dart';
 // import 'package:url_launcher/url_launcher.dart';
@@ -41,8 +42,7 @@ class Dialogs{
   }
 
   static bool showing = false;
-  static BuildContext? context;
+  static waiting(BuildContext context){
-  static waiting(){
     showing=true;
     // context=navigatorKey.currentContext;
     if(context!=null) {
@@ -68,6 +68,39 @@ class Dialogs{
     }
   }
 
+
+  static Future<bool> AskQuestion(BuildContext context, String title, String message) async{
+    bool yes = false;
+
+    AlertDialog alert = AlertDialog(
+      backgroundColor: Color(0xFF1F1F1F),
+      shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(40)),
+      title: Text(title,textAlign: TextAlign.center,),
+      content: Text(message,textAlign: TextAlign.center,),
+      actions: [
+        TextButton(onPressed: (){
+          yes=true;
+          Navigator.pop(context);
+        }, child: Text("Yes")),
+        TextButton(onPressed: (){
+          Navigator.pop(context);
+
+        }, child: Text("No")),
+      ],
+
+    );
+
+    // show the dialog
+    await showDialog(
+      context: context,
+      builder: (BuildContext context) {
+        return alert;
+      },
+    );
+
+    return yes;
+  }
+
   static showDurationPicker(BuildContext context, String title) {
     // set up the button
     Widget okButton = TextButton(
@@ -97,11 +130,11 @@ class Dialogs{
       },
     );
   }
-  // static hide(){
+  static hide(BuildContext context){
-  //   showing=false;
+    showing=false;
-  //   Navigator.of(navigatorKey.currentContext!).popUntil((route){
+    Navigator.of(context).popUntil((route){
-  //     return route.settings.name!="Progress";
+      return route.settings.name!="Progress";
-  //   });
+    });
-  // }
+  }
 
 }

lib/home.dart

@@ -1,7 +1,10 @@
+import 'dart:async';
 import 'dart:convert';
 
 import 'package:flutter/material.dart';
+import 'package:flutter/rendering.dart';
 import 'package:queue_client/backend/DataManager.dart';
+import 'package:queue_client/backend/Dialogs.dart';
 import 'package:queue_client/service_info.dart';
 
 class HomePage extends StatefulWidget {
@@ -12,12 +15,32 @@ class HomePage extends StatefulWidget {
 }
 
 class _HomePageState extends State<HomePage> {
+
+  Timer timer = Timer(Duration(hours: 1), () { });
+
   @override
   void initState() {
     // TODO: implement initState
     super.initState();
+    timer = Timer.periodic(const Duration(seconds: 30), (timer) {
+      refresh();
+    });
 
-    refresh();
+    refreshInit();
+  }
+
+  void refreshInit() async{
+    // Dialogs.waiting(context);
+    await DataManager.instance().GetData();
+    // Dialogs.hide(context);
+    setState(() {});
+  }
+
+  @override
+  void dispose() {
+    // TODO: implement dispose
+    timer.cancel();
+    super.dispose();
   }
 
   void refresh() async {
@@ -51,35 +74,38 @@ class _HomePageState extends State<HomePage> {
           child: Column(
             crossAxisAlignment: CrossAxisAlignment.start,
             children: [
-              Card(
+              // Card(
-                child: Padding(
+              //   child: Padding(
-                  padding: const EdgeInsets.all(8.0),
+              //     padding: const EdgeInsets.all(8.0),
-                  child: Column(
+              //     child: Column(
-                    children: [
+              //       children: [
-                      Row(
+              //         Row(
-                        mainAxisAlignment: MainAxisAlignment.center,
+              //           mainAxisAlignment: MainAxisAlignment.center,
-                        children: [
+              //           children: [
-                          Icon(Icons.token),
+              //             Icon(Icons.token),
-                          Text("  Your Token ID")
+              //             Text("  Your Token ID")
-                        ],
+              //           ],
-                      ),
+              //         ),
-                      Text(DataManager.instance().userId.toString(),style: TextStyle(fontSize: 45),)
+              //         Text(DataManager.instance().userId.toString(),style: TextStyle(fontSize: 45),)
-                    ],
+              //       ],
-                  ),
+              //     ),
-                ),
+              //   ),
-              ),
+              // ),
+              // SizedBox(height: 30,),
+
               Text("Joined"),
               SizedBox(height: 10,),
               GridView.count(
+                physics: NeverScrollableScrollPhysics(),
                 shrinkWrap: true,
                 crossAxisCount: context.isSmall ? 1 : ( context.isTablet ? 4: 2),
                 children: List.generate(
                     DataManager.instance().JoinedServices.length, (index) {
                   Map<String, dynamic> service =
-                      DataManager.instance().JoinedServices[index];
+                      (DataManager.instance().JoinedServices[index]);
                   return ServiceCard(
-                      tokenId: service['tokenId'],
+                      tokenId: int.parse(service['id']),
-                      id: int.parse(service['id']),
+                      id: int.parse(service['service_id']),
                       sTime: DateTime.parse(
                           service['start_time'] ?? DateTime.now().toString()),
                       eTime: DateTime.parse(
@@ -98,10 +124,12 @@ class _HomePageState extends State<HomePage> {
               //       Map<String,dynamic> service= DataManager.instance().JoinedServices[index];
               //       return ServiceCard(tokenId:service['tokenId'],id: int.parse(service['id']),sTime: DateTime.parse(service['start_time'] ?? DateTime.now().toString()), name: service['name']!, memberCount: service['members']!.split(',').length-1);
               //     }),
-              SizedBox(height: 50),
+              SizedBox(height: 20),
               Text("Available"),
               SizedBox(height: 10,),
               ListView.builder(
+                  physics: NeverScrollableScrollPhysics(),
+
                   shrinkWrap: true,
                   itemCount: DataManager.instance().AvailableServices.length,
                   itemBuilder: (context, index) {
@@ -136,18 +164,25 @@ class _HomePageState extends State<HomePage> {
       required Duration duration}) {
     
     
-    DateTime eta = sTime.add(duration * tokenId);
+    DateTime eta = sTime.add(duration * (tokenId > 0 ? tokenId : memberCount));
     
     return InkWell(
       onTap: () async {
 
         if(tokenId > 0){return;}
 
-        await Navigator.of(context).push(MaterialPageRoute(
+        // await Navigator.of(context).push(MaterialPageRoute(
-            builder: (context) => ServiceInfoPage(
+        //     builder: (context) => ServiceInfoPage(
-                  id: id,
+        //           id: id,
-                  tokenId: tokenId,
+        //           tokenId: tokenId,
-                )));
+        //         )));
+
+        bool confirmed = await Dialogs.AskQuestion(context, "Confirm", "Are you sure to join to this Queue?\n\nQueue Name : ${name}");
+        if(confirmed){
+          Dialogs.waiting(context);
+          await DataManager.instance().JoinService(id);
+          Dialogs.hide(context);
+        }
         setState(() {});
       },
       child: Card(
@@ -156,18 +191,29 @@ class _HomePageState extends State<HomePage> {
           child: Column(
             mainAxisAlignment: MainAxisAlignment.spaceBetween,
             children: [
-              Center(
+              Row(
-                  child: Text(
+                mainAxisAlignment: MainAxisAlignment.spaceBetween,
-                name,
+                children: [
-                style: TextStyle(fontSize: 20),
+                  Text(
-              )),
+                    name,
+                    style: TextStyle(fontSize: 20),
+                  ),
+                  Row(mainAxisAlignment: MainAxisAlignment.center, children: [
+                    Icon(Icons.people_alt_rounded,size: 25,),
+                    Text(
+                      " ${memberCount}",
+                      style: TextStyle(fontSize: 25),
+                    ),
+                  ])
+                ],
+              ),
               SizedBox(height: tokenId > 0 ? 0 : 10,),
               (tokenId > 0) ? Column(
                 children: [
                   Row(mainAxisAlignment: MainAxisAlignment.center, children: [
-                    Icon(Icons.people_alt_rounded,size: 25,),
+                    Icon(Icons.token,size: 25,),
                     Text(
-                      " $tokenId",
+                      " ${tokenId}",
                       style: TextStyle(fontSize: 40),
                     ),
                   ]),

lib/login.dart

@@ -1,8 +1,10 @@
+import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
 import 'package:queue_client/CustomWidgets.dart';
 import 'package:queue_client/backend/DataManager.dart';
 import 'package:queue_client/backend/Dialogs.dart';
 import 'package:queue_client/home.dart';
+import 'package:shared_preferences/shared_preferences.dart';
 
 class LoginPage extends StatefulWidget {
   const LoginPage({Key? key}) : super(key: key);
@@ -19,8 +21,17 @@ class _LoginPageState extends State<LoginPage> {
   void initState() {
     // TODO: implement initState
     super.initState();
+    Reset();
+    // AutoLogin();
+  }
 
-    AutoLogin();
+  void Reset() async{
+      SharedPreferences prefs = await SharedPreferences.getInstance();
+      prefs.clear();
+      isLogging =false;
+      setState(() {
+
+      });
   }
 
   void AutoLogin()async{