Made it possible to sign up for events.

Added fail and success messages when signing up.
Fixed unique keys in migrate

skolehjem/app/Http/Controllers/UserEventController.php

@@ -2,6 +2,7 @@
 
 namespace App\Http\Controllers;
 
+use App\UserEvent;
 use Illuminate\Http\Request;
 use Illuminate\Http\Response;
 
@@ -13,12 +14,28 @@ class UserEventController extends Controller
      * Update the specified resource in storage.
      *
      * @param  \Illuminate\Http\Request  $request
-     * @param  int  $userid
-     * @param  int  $eventid
      * @return \Illuminate\Contracts\Foundation\Application|\Illuminate\Contracts\View\Factory|\Illuminate\View\View
      */
-    public function create(Request $request, $userid, $eventid)
+    public function create(Request $request)
     {
+        // Get written data from events.index
+        $data = $request->validate([
+            "user_id" => "required|max:255",
+            "event_id" => "required|max:255"
+        ]);
 
+        // Check the UserEvent table if there is a row that has the user_id AND the event_id
+        $getTableInfo = UserEvent::where('user_id', $request->user_id)
+                         ->where('event_id', $request->event_id)->get();
+
+        // If the row has both, then go back and show an error - Cause you're not allowed to be on the same event twice.
+        if (count($getTableInfo) > 0)
+            return redirect()->route("events.index")->with('error#' . $request->event_id, '<p class="text-center">Du har allerede tilmeldt dig denne Aktivitet!</p>');
+
+        // If not, then it keeps going and saves and shows a success message
+        $UserEvent = new UserEvent($data);
+        $UserEvent->save();
+
+        return redirect()->route("events.index")->with('signup#' . $request->event_id, '<p class="text-center">Du er hermed tilmeldt denne aktivitet!</p>');
     }
 }