middleware for classes starting created

app/Http/Controllers/Admin/AdminPanelController.php

@@ -11,4 +11,8 @@ class AdminPanelController extends Controller
         return view('layouts.adminpanel');
     }
 
+    public function test_connection()
+    {
+        return view('admin.admin_testconnection');
+    }
 }

app/Http/Controllers/User/UserClassesController.php

@@ -2,11 +2,14 @@
 
 namespace App\Http\Controllers\User;
 
+use App\Attendance;
 use App\Http\Controllers\Controller;
 use Illuminate\Http\Request;
 
 use App\Subject;
 use App\Classes;
+use App\Room;
+
 use Illuminate\Support\Facades\Auth;
 
 class UserClassesController extends Controller
@@ -43,4 +46,33 @@ class UserClassesController extends Controller
         Classes::find($classes_id);
         return redirect(route('user_classes'));
     }
+
+    public function start_classes($classes_id)
+    {
+        $classes_code = generateRandomString(10);
+        session([
+            'CLASSES_CODE' => $classes_code,
+            'CLASSES_ID' => $classes_id
+        ]);
+        return view('user.user_classes_start', ['verified' => false, 'classes_code' => $classes_code]);
+    }
+
+    public function start_classes_verified(Request $request)
+    {
+        $classes = Classes::find($request->get('classes_id'));
+        $room = Room::find(Subject::find($classes->subject_id)->room_id)->name;
+        $student_id_number = $request->input('student_id_number');
+        $student_name = $request->input('student_name');
+        $student_surname = $request->input('student_surname');
+        $seat_number = $request->input('seat_number');
+        Attendance::create([
+            'classes_id' => $classes->id,
+            'student_id_number' => $student_id_number,
+            'student_name' => $student_name,
+            'student_surname' => $student_surname,
+            'seat_number' => $seat_number,
+        ]);
+        $attendances = Attendance::where('classes_id', $classes->id)->get();
+        return view('user.user_classes_start', ['verified' => true, 'room' => $room, 'attendances' => $attendances]);
+    }
 }

app/Http/Kernel.php

@@ -61,6 +61,7 @@ class Kernel extends HttpKernel
         'signed' => \Illuminate\Routing\Middleware\ValidateSignature::class,
         'throttle' => \Illuminate\Routing\Middleware\ThrottleRequests::class,
         'verified' => \Illuminate\Auth\Middleware\EnsureEmailIsVerified::class,
+        'classesCode' => \App\Http\Middleware\CheckClassesCode::class,
     ];
 
     /**

app/Http/Middleware/CheckClassesCode.php

@@ -0,0 +1,41 @@
+<?php
+
+namespace App\Http\Middleware;
+
+use App\Classes;
+use App\Subject;
+
+use Illuminate\Support\Facades\Auth;
+use Closure;
+
+class CheckClassesCode
+{
+    /**
+     * Handle an incoming request.
+     *
+     * @param  \Illuminate\Http\Request  $request
+     * @param  \Closure  $next
+     * @return mixed
+     */
+    public function handle($request, Closure $next)
+    {
+        $classes_code_from_request = $request->input('classes_code');
+        $classes_code_from_session = session()->get('CLASSES_CODE');
+        $classes_id = session()->get('CLASSES_ID');
+        $classes = Classes::find($classes_id);
+        if(!$classes) {
+            return redirect('home');
+        } else {
+            if ($classes_code_from_request != $classes_code_from_session) {
+                return redirect('home');
+            } else {
+                $user_id = Subject::where('id', $classes->subject_id)->first()->user_id;
+                if (!$user_id || $user_id != Auth::id()) {
+                    return redirect('home');
+                }
+            }
+        }
+        $request->attributes->add(['classes_id' => $classes->id]);
+        return $next($request);
+    }
+}

app/Http/Middleware/VerifyCsrfToken.php

@@ -19,6 +19,6 @@ class VerifyCsrfToken extends Middleware
      * @var array
      */
     protected $except = [
-        //
+        'user/classes/start'
     ];
 }

app/helpers.php

@@ -0,0 +1,10 @@
+<?php
+function generateRandomString($length = 10) {
+    $characters = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';
+    $charactersLength = strlen($characters);
+    $randomString = '';
+    for ($i = 0; $i < $length; $i++) {
+        $randomString .= $characters[rand(0, $charactersLength - 1)];
+    }
+    return $randomString;
+}

composer.json

@@ -38,6 +38,11 @@
         "classmap": [
             "database/seeds",
             "database/factories"
+        ],
+        "files": [
+
+            "app/helpers.php"
+
         ]
     },
     "autoload-dev": {

database/seeds/ClassesTableSeeder.php

@@ -14,11 +14,13 @@ class ClassesTableSeeder extends Seeder
         DB::table('classes')->insert([
             'subject_id' => 1,
             'date' => '2019-12-02',
+            'code' => generateRandomString(10)
         ]);
 
         DB::table('classes')->insert([
             'subject_id' => 2,
             'date' => '2019-12-02',
+            'code' => generateRandomString(10)
         ]);
     }
 }

resources/views/admin/admin_testconnection.blade.php

@@ -0,0 +1,28 @@
+@extends('layouts.adminpanel')
+
+@section('title') Admin Panel - Users @endsection
+
+@section('admin_content')
+    <div class="row justify-content-center">
+        <div class="col-md-12">
+            <form method="POST" action="{{ route('user_start_classes_verified') }}">
+                <label for="classes_code"> Kod: </label>
+                <input type="text" name="classes_code" id="classes_code">
+
+                <label for="student_id_number"> Student ID: </label>
+                <input type="text" name="student_id_number" id="student_id_number">
+
+                <label for="student_name"> Student name: </label>
+                <input type="text" name="student_name" id="student_name">
+
+                <label for="student_surname"> Student surname: </label>
+                <input type="text" name="student_surname" id="student_surname">
+
+                <label for="seat_number"> Seat number: </label>
+                <input type="text" name="seat_number" id="seat_number">
+
+                <button type="submit"> Test connection </button>
+            </form>
+        </div>
+    </div>
+@endsection

resources/views/home.blade.php

@@ -16,9 +16,9 @@
                         @endif
                     </div>
                     <div class="card-body">
-                        <a href="{{ route('user_subjects', ['weekday']) }}" class="btn btn-primary"> My subjects </a>
+                        <a href="{{ route('user_subjects') }}" class="btn btn-primary"> My subjects </a>
-                        <a href="{{ route('user_classes', ['subject_id']) }}" class="btn btn-primary"> My classes </a>
+                        <a href="{{ route('user_classes') }}" class="btn btn-primary"> My classes </a>
-                        <a href="{{ route('user_attendances', ['classes_id']) }}" class="btn btn-primary"> Attendance </a>
+                        <a href="{{ route('user_attendances') }}" class="btn btn-primary"> Attendance </a>
                     </div>
                     <div class="card-body">
                         @yield('user_content')

resources/views/layouts/adminpanel.blade.php

@@ -24,6 +24,7 @@
                         <a href="{{ route('admin_rooms') }}" class="btn btn-primary"> Rooms </a>
                         <a href="{{ route('admin_classes') }}" class="btn btn-primary"> Classes </a>
                         <a href="{{ route('admin_attendances') }}" class="btn btn-primary"> Attendances </a>
+                        <a href="{{ route('admin_test_connection') }}" class="btn btn-primary"> Test connection </a>
                     </div>
                     <div class="card-body">
                         @yield('admin_content')

resources/views/user/user_attendances.blade.php

@@ -7,7 +7,7 @@
         <div class="col-md-12">
             <div class="card-body">
                 <h4 class="card-header"> Add new attendance record </h4>
-                <form method="POST" action="{{ route('user_add_attendance', [Auth::user()->id]) }}" class="col-md-12">
+                <form method="POST" action="{{ route('user_add_attendance') }}" class="col-md-12">
                     @csrf
 
                     <div class="form-group row">

resources/views/user/user_classes.blade.php

@@ -7,7 +7,7 @@
         <div class="col-md-12">
             <div class="card-body">
                 <h4 class="card-header"> Add new classes </h4>
-                <form method="POST" action="{{ route('user_add_classes', [Auth::user()->id]) }}">
+                <form method="POST" action="{{ route('user_add_classes') }}">
                     @csrf
 
                     <div class="form-group row">
@@ -78,12 +78,16 @@
                                 <th> Date </th>
                                 <th></th>
                                 <th></th>
+                                <th></th>
                             </tr>
                             @foreach ($classes_list as $classes_item)
                                 <tr>
                                     <td> {{ App\Subject::find($classes_item->subject_id)->name }}, {{ App\Subject::find($classes_item->subject_id)->type }},
                                         {{ App\Subject::find($classes_item->subject_id)->weekday }} {{ App\Subject::find($classes_item->subject_id)->time }}</td>
                                     <td> {{ $classes_item->date }} </td>
+                                    <td>
+                                        <a href="{{ route('user_start_classes', [$classes_item->id]) }}" name="start-classes-btn" class="btn btn-warning"> Rozpocznij zapisy  </a>
+                                    </td>
                                     <td>
                                         <a href="{{ route('user_delete_classes', [$classes_item->id]) }}" name="delete-classes-btn" class="btn btn-danger"> Delete </a>
                                     </td>

resources/views/user/user_classes_start.blade.php

@@ -0,0 +1,36 @@
+@extends('home')
+
+@section('title') My Panel - Classes @endsection
+
+@section('user_content')
+    <div class="row justify-content-center">
+        <div class="col-md-12">
+            <div class="card-body">
+                @if(!$verified)
+                    <p>
+                        Wprowadź poniższy kod do programu:
+                    </p>
+                    <p> {{ $classes_code }}</p>
+                @else
+                    <p> Połączono prawidłowo.</p>
+                    <p> Zajęcia odbywają się w sali {{ $room }}.</p>
+
+                    @if($attendances)
+                            <p> Aktualna liczba studentów w sali: {{ $attendances->count() }}</p>
+                            <br><br>
+                        @foreach($attendances as $attendance)
+                                <p> Student ID number: {{ $attendance->student_id_number }}</p>
+                                <p> Student name: {{ $attendance->student_name }}</p>
+                                <p> Student surname: {{ $attendance->student_surname }}</p>
+                                <p> Seat number: {{ $attendance->seat_number }}</p>
+                            <br><br>
+                        @endforeach
+                    @else
+                        <p> Aktualna liczba studentów w sali: 0</p>
+                        <br><br>
+                    @endif
+                @endif
+            </div>
+        </div>
+    </div>
+@endsection

resources/views/user/user_subjects.blade.php

@@ -7,7 +7,7 @@
         <div class="col-md-12">
             <div class="card-body">
                 <h4 class="card-header"> Add new subject </h4>
-                <form method="POST" action="{{ route('user_add_subject', [Auth::user()->id]) }}">
+                <form method="POST" action="{{ route('user_add_subject') }}">
                     @csrf
                     <div class="form-group row">
                         <label for="name" class="col-md-4 col-form-label text-md-right">{{ __('Name') }}</label>

routes/web.php

@@ -25,6 +25,7 @@ Route::group(array('prefix' => 'admin', 'namespace' => 'Admin'), function()
     Route::get('/rooms', 'AdminRoomsController@index')->name('admin_rooms');
     Route::get('/classes', 'AdminClassesController@index')->name('admin_classes');
     Route::get('/attendances', 'AdminAttendancesController@index')->name('admin_attendances');
+    Route::get('/test', 'AdminPanelController@test_connection')->name('admin_test_connection');
 
     Route::group(array('prefix' => 'add'), function() {
         Route::post('/user', 'AdminUsersController@add_user')->name('admin_add_user');
@@ -54,6 +55,9 @@ Route::group(array('prefix' => 'user', 'namespace' => 'User'), function() { //TO
     Route::get('/classes/{groupBy?}', 'UserClassesController@index')->name('user_classes');
     Route::get('/attendance/{groupBy?}', 'UserAttendancesController@index')->name('user_attendances');
 
+    Route::get('/classes/start/{classes_id}', 'UserClassesController@start_classes')->name('user_start_classes');
+    Route::post('/classes/start', 'UserClassesController@start_classes_verified')->name('user_start_classes_verified')->middleware('classesCode');
+
     Route::group(array('prefix' => 'add'), function() {
         Route::post('/subject', 'UserSubjectsController@add_subject')->name('user_add_subject');
         Route::post('/classes', 'UserClassesController@add_classes')->name('user_add_classes');
@@ -71,6 +75,7 @@ Route::group(array('prefix' => 'user', 'namespace' => 'User'), function() { //TO
         Route::get('/classes/{classes_id}/{groupBy?}', 'UserClassesController@edit_classes')->name('user_edit_classes');
         Route::get('/attendance/{attendance_id}/{groupBy?}', 'UserAttendancesController@edit_attendance')->name('user_edit_attendance');
     });
+
 });