Including Alert me!

app/Http/Controllers/AlertController.php

@@ -0,0 +1,28 @@
+<?php
+
+namespace App\Http\Controllers;
+
+use \App\User;
+use Illuminate\Http\Request;
+
+class AlertController extends Controller
+{
+    public function store(Request $request)
+    {
+        $item = User::find(\Auth::id())->items()->find(request('item'));
+        $item->waiting_user_id = \Auth::id();
+        $item->timestamps = false;
+        $item->save();
+        return redirect('home');
+    }
+
+    public function delete(Request $request)
+    {
+        $item = User::find(\Auth::id())->items()->find(request('item'));
+        $item->waiting_user_id = null;
+        $item->timestamps = false;
+        $item->save();
+
+        return redirect('home');
+    }
+}

app/Http/Controllers/HomeController.php

@@ -50,7 +50,7 @@ class HomeController extends Controller
             }
 
             if ($item->waiting_user_id && !isset($users[$item->waiting_user_id])) {
-                $users[$item->waiting_user_id] = $this->findName($item, $item->waiting_user_id);
+                $users[$item->waiting_user_id] = $this->findName($item->users, $item->waiting_user_id);
             }
         }
         return view('home', compact('items', 'users'));

app/Http/Controllers/TakeController.php

@@ -4,6 +4,7 @@ namespace App\Http\Controllers;
 
 use \App\Item;
 use \App\User;
+use App\Mail\ItemAvailable;
 use Illuminate\Http\Request;
 
 class TakeController extends Controller
@@ -19,9 +20,19 @@ class TakeController extends Controller
     public function delete(Request $request)
     {
         $item = User::find(\Auth::id())->items()->find(request('item'));
+        $waiting_id = $item->waiting_user_id;
         $item->used_by = null;
+        $item->waiting_user_id = null;
         $item->save();
 
+        //Send e-mail to waiting user
+        if ($waiting_id) {
+            $user = User::find($waiting_id);
+            \Mail::to($user)->send(
+                new ItemAvailable($user->name, $item)
+            );
+        }
+
         return redirect('home');
     }
 }

app/Mail/ItemAvailable.php

@@ -0,0 +1,38 @@
+<?php
+
+namespace App\Mail;
+
+use \App\Item;
+use Illuminate\Bus\Queueable;
+use Illuminate\Mail\Mailable;
+use Illuminate\Queue\SerializesModels;
+use Illuminate\Contracts\Queue\ShouldQueue;
+
+class ItemAvailable extends Mailable
+{
+    public $item;
+    public $username;
+    use Queueable, SerializesModels;
+
+    /**
+     * Create a new message instance.
+     *
+     * @return void
+     */
+    public function __construct($username, Item $item)
+    {
+        $this->item = $item;
+        $this->username = $username;
+    }
+
+    /**
+     * Build the message.
+     *
+     * @return $this
+     */
+    public function build()
+    {
+        return $this->subject($this->item->name . ' is available!')
+            ->markdown('emails.itemAvailable');
+    }
+}

resources/views/emails/itemAvailable.blade.php

@@ -0,0 +1,12 @@
+@component('mail::message')
+Hi, {{$username}},
+&nbsp;<br>
+&nbsp;<br>
+#Good news: {{$item->name}} is available!
+&nbsp;<br>
+The item <em>{{$item->name}} ({{$item->product->name}})</em> is now available on **Share&nbsp;It**.
+&nbsp;<br>
+&nbsp;<br>
+<a href="https://shareit.brunofontes.net/home">Take it</a> before anyone else.
+
+@endcomponent

resources/views/home/usedItem.blade.php

@@ -15,10 +15,21 @@
         <form action="/alert" method="POST">
             {{ csrf_field() }}
             <input type="hidden" name="item" value="{{$item->id}}"> 
-            <button type="submit" class="btn btn-sm btn-outline-secondary">Alert me</button>
+            @if ($item->waiting_user_id == \Auth::id())
+                @method('DELETE')
+                <button type="submit" class="btn btn-sm btn-outline-danger">Cancel Alert</button>
+            @elseif (!$item->waiting_user_id)
+                <button type="submit" class="btn btn-sm btn-outline-secondary">Alert me</button>
+            @endif
         </form>
     </span>
     <span class="float-right mr-3">
-        <em>{{str_limit($users[$item->used_by], 15, '...')}} ({{$item->updated_at->diffForHumans()}})</em>
+        <em>
+            {{str_limit($users[$item->used_by], 15, '...')}} 
+            @if ($item->waiting_user_id && $item->waiting_user_id != \Auth::id())
+                <strong>> {{str_limit($users[$item->waiting_user_id], 15, '...')}}</strong>
+            @endif
+            <small>({{$item->updated_at->diffForHumans()}})</small>
+        </em>
     </span>
 @endif

routes/web.php

@@ -25,7 +25,10 @@ Route::post('/item', 'ItemController@store')->middleware('auth');
 Route::delete('/item', 'ItemController@delete')->middleware('auth');
 
 Route::post('/take', 'TakeController@store')->middleware('auth');
-Route::post('/return', 'ReturnController@store')->middleware('auth');
+Route::delete('/take', 'TakeController@delete')->middleware('auth');
+
+Route::post('/alert', 'AlertController@store')->middleware('auth');
+Route::delete('/alert', 'AlertController@delete')->middleware('auth');
 
 Route::post('/user', 'UserController@store')->middleware('auth');
 Route::delete('/user', 'UserController@delete')->middleware('auth');