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April 1, 2015 15:17
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Laravel: Manage many-to-many relationship - with view
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| <?php namespace App; | |
| use Illuminate\Database\Eloquent\Model; | |
| class Role extends Model | |
| { | |
| protected $table = 'roles'; | |
| protected $fillable = [ 'name' ]; | |
| } |
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta charset="utf-8"> | |
| <title>Roles</title> | |
| </head> | |
| <body> | |
| <h1>Roles for {{ $user->name }}</h1> | |
| <form action="{{ route('user.update', [$user]) }}" method="POST" accept-charset="UTF-8"> | |
| <input type="hidden" name="_token" value="{{ csrf_token() }}"> | |
| <ul> | |
| @forelse($roles as $role) | |
| <li> | |
| <label> | |
| <input type="checkbox" name="roles[]" | |
| value="{{ $role->id }}" {{ $user->hasRole($role) ? 'checked' : '' }}> | |
| {{ $role->name }} | |
| </label> | |
| </li> | |
| @empty | |
| <li>no roles</li> | |
| @endforelse | |
| </ul> | |
| <p> | |
| <button type="submit">Save</button> | |
| </p> | |
| </form> | |
| </body> | |
| </html> |
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| <?php | |
| /** @var Illuminate\Routing\Router $router */ | |
| $router->get( '/user/{id}/roles', ['as' => 'user.edit', 'uses' => 'UserController@edit' ] ); | |
| $router->post( '/user/{id}/roles', ['as' => 'user.update', 'uses' => 'UserController@update' ] ); |
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| <?php namespace App; | |
| use Illuminate\Auth\Authenticatable; | |
| use Illuminate\Database\Eloquent\Model; | |
| use Illuminate\Auth\Passwords\CanResetPassword; | |
| use Illuminate\Contracts\Auth\Authenticatable as AuthenticatableContract; | |
| use Illuminate\Contracts\Auth\CanResetPassword as CanResetPasswordContract; | |
| class User extends Model implements AuthenticatableContract, CanResetPasswordContract | |
| { | |
| use Authenticatable, CanResetPassword; | |
| protected $table = 'users'; | |
| protected $fillable = [ 'name', 'email', 'password' ]; | |
| protected $hidden = [ 'password', 'remember_token' ]; | |
| public function roles() | |
| { | |
| return $this->belongsToMany( 'App\Role', 'role_user' ); | |
| } | |
| public function hasRole( Role $role ) | |
| { | |
| return $this->roles->contains( $role ); | |
| } | |
| } |
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| <?php namespace App\Http\Controllers; | |
| use Illuminate\Http\Request; | |
| use App\User; | |
| use App\Role; | |
| class UserController extends Controller | |
| { | |
| public function edit( $id ) | |
| { | |
| // TODO: use route model binding | |
| $user = User::with('roles')->findOrFail( $id ); | |
| $roles = Role::all(); | |
| return view( 'roles', compact( 'user', 'roles' ) ); | |
| } | |
| public function update( $id, Request $request ) | |
| { | |
| $roles = $request->get( 'roles', [] ); | |
| $user = User::findOrFail( $id ); | |
| $user->roles()->sync( $roles ); // this does the trick | |
| return redirect()->back()->with( 'info', 'success' ); | |
| } | |
| } |
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