[update] enable flag submission

app/Http/Controllers/ChallengeController.php

@@ -0,0 +1,56 @@
+<?php
+
+namespace App\Http\Controllers;
+
+use App\Challenge;
+use App\User;
+use Illuminate\Http\Request;
+use Illuminate\Support\Facades\Auth;
+use Illuminate\Support\Facades\Redirect;
+
+class ChallengeController extends Controller
+{
+    /**
+     * @param $id integer
+     * @return \Illuminate\Contracts\View\Factory|\Illuminate\View\View
+     */
+    public function show($id)
+    {
+        $challenge = Challenge::find($id);
+        if (!$challenge)
+        {
+            abort(404);
+        }
+        return view('challenge', ['challenge' => $challenge]);
+    }
+
+    /**
+     * @param Request $request
+     * @param $id integer
+     * @return \Illuminate\Http\RedirectResponse|\Illuminate\Routing\Redirector
+     */
+    public function submit(Request $request, $id)
+    {
+        $challenge = Challenge::find($id);
+        if (!$challenge)
+        {
+            abort(404);
+            return;
+        }
+        if (!$request)
+        {
+            return redirect(route('home'))->with('session', 'a');
+        }
+        if ($request->input('flag') !== $challenge->flag)
+        {
+            return redirect(route('challenge', ['id' => $id]))->with('error', 'Invalid flag...');
+        }
+        $user = User::find(Auth::id());
+        if (count($user->solves()->where('id', '=', $id)->get()) === 0)
+        {
+            $user->solves()->attach($challenge);
+            $user->save();
+        }
+        return redirect(route('home'))->with('status', 'Correct!');
+    }
+}

app/User.php

@@ -28,6 +28,6 @@ class User extends Authenticatable
     ];
 
     public function solves() {
-        return $this->hasMany('challenges');
+        return $this->belongsToMany('App\Challenge');
     }
 }

database/migrations/2018_05_14_113950_create_challenges_table.php

@@ -19,6 +19,8 @@ public function up()
             $table->unsignedInteger('number');
             $table->string('title');
             $table->text('description');
+            $table->string('url');
+            $table->string('flag');
             $table->timestamps();
 
             $table->unique(['category', 'number'], 'unique_category_number');

database/migrations/2018_05_14_122022_create_challenge_user_table.php

@@ -20,6 +20,8 @@ public function up()
 
             $table->foreign('challenge_id')->references('id')->on('challenges')->onDelete('cascade');
             $table->foreign('user_id')->references('id')->on('users')->onDelete('cascade');
+
+            $table->unique(['challenge_id', 'user_id']);
         });
     }
 

resources/views/auth/login.blade.php

@@ -15,7 +15,7 @@
                             <label for="name" class="col-sm-4 col-form-label text-md-right">{{ __('User Name') }}</label>
 
                             <div class="col-md-6">
-                                <input id="name" type="name" class="form-control{{ $errors->has('name') ? ' is-invalid' : '' }}" name="name" value="{{ old('name') }}" required autofocus>
+                                <input id="name" type="text" class="form-control{{ $errors->has('name') ? ' is-invalid' : '' }}" name="name" value="{{ old('name') }}" required autofocus>
 
                                 @if ($errors->has('name'))
                                     <span class="invalid-feedback">

resources/views/challenge.blade.php

@@ -0,0 +1,34 @@
+@extends('layouts.app')
+
+@section('content')
+    <div class="container">
+        <div class="row justify-content-center">
+            <div class="col-md-8">
+                @if (session('error'))
+                    <div class="alert alert-danger">
+                        {{ session('error') }}
+                    </div>
+                @endif
+                <div class="card">
+                    <div class="card-header">Tutorials</div>
+                    <div class="card-body">
+                        <h3>{{ $challenge->title }}</h3>
+                        <p>{{ $challenge->description }}</p>
+                        @if ($challenge->url)
+                            <p><a href="{{ $challenge->url }}">{{ $challenge->url }}</a></p>
+                        @endif
+                        <form action="{{ route('submit', ['id' => $challenge->id]) }}" method="post">
+                            {{ csrf_field() }}
+                            <div class="form-group">
+                                <input type="text" id="flag" class="form-control" name="flag" placeholder="Flag: m1z0r3{this_is_flag_format}">
+                            </div>
+                            <div class="form-group">
+                                <button type="submit" class="btn btn-primary">Submit</button>
+                            </div>
+                        </form>
+                    </div>
+                </div>
+            </div>
+        </div>
+    </div>
+@endsection

resources/views/home.blade.php

@@ -15,7 +15,7 @@
                     <div class="row">
                         @foreach ($tutorials as $tutorial)
                             <div class="col-sm-3 mb-2">
-                                <a href="#" class="card text-center @if($tutorial->is_solved_by(Auth::id())) text-white bg-success @endif">
+                                <a href="{{ route('challenge', ['id' => $tutorial->id]) }}" class="card text-center @if($tutorial->is_solved_by(Auth::id())) text-white bg-success @endif">
                                     <div class="card-body">Stage {{ $tutorial->number }}</div>
                                 </a>
                             </div>
@@ -29,7 +29,7 @@
                     <div class="row">
                         @foreach ($challenges as $challenge)
                             <div class="col-sm-3 mb-2">
-                                <a href="#" class="card text-center @if($challenge->is_solved_by(Auth::id())) text-white bg-success @endif">
+                                <a href="{{ route('challenge', ['id' => $challenge->id]) }}" class="card text-center @if($challenge->is_solved_by(Auth::id())) text-white bg-success @endif">
                                     <div class="card-body">Stage {{ $challenge->number }}</div>
                                 </a>
                             </div>

routes/web.php

@@ -15,4 +15,6 @@
 
 Route::middleware('auth')->group(function (){
     Route::get('/', 'HomeController@index')->name('home');
+    Route::get('/challenge/{id}', 'ChallengeController@show')->name('challenge');
+    Route::post('/challenge/{id}', 'ChallengeController@submit')->name('submit');
 });