/**
  * Run the database seeds.
  *
  * @return void
  */
 public function run()
 {
     RelationDeRo::create(['degree_id' => '1', 'challenge_id' => '1', 'robot_id' => '1']);
     RelationDeRo::create(['degree_id' => '1', 'challenge_id' => '2', 'robot_id' => '2']);
     RelationDeRo::create(['degree_id' => '2', 'challenge_id' => '3', 'robot_id' => '1']);
     RelationDeRo::create(['degree_id' => '2', 'challenge_id' => '4', 'robot_id' => '2']);
     RelationDeRo::create(['degree_id' => '3', 'challenge_id' => '5', 'robot_id' => '3']);
     RelationDeRo::create(['degree_id' => '4', 'challenge_id' => '5', 'robot_id' => '3']);
     RelationDeRo::create(['degree_id' => '3', 'challenge_id' => '6', 'robot_id' => '4']);
     RelationDeRo::create(['degree_id' => '4', 'challenge_id' => '6', 'robot_id' => '4']);
     RelationDeRo::create(['degree_id' => '5', 'challenge_id' => '7', 'robot_id' => '5']);
     RelationDeRo::create(['degree_id' => '6', 'challenge_id' => '8', 'robot_id' => '5']);
 }
 public function relationChalle(Request $request)
 {
     $degree = $request->degree_id;
     $data = RelationDeRo::join('rb_challenges', 'rb_challenges.id', '=', 'relation_de_ro.challenge_id')->select('relation_de_ro.*', 'rb_challenges.*')->where('relation_de_ro.degree_id', $degree)->lists('rb_challenges.name', 'rb_challenges.id');
     return $data;
 }