Deleting Data with Relation using REST API

First of all I have Book DB field and BookReview DB field

Book Model:

public function reviews()
{
    return $this->hasMany(BookReview::class);
}

BookReview Model:

public function book()
{
    return $this->belongsTo(Book::class);
}

What I need to do is to delete a BooksReview, but it consists in a relationship with Book field

This is the route

Route::delete('/books/{bookId}/reviews/{reviewId}');

And this is the controller:

public function destroy(int $bookId, int $reviewId, Request $request)
{
    // TODO: implement
    $check_bookReview = BookReview::firstWhere('id', $reviewId);
    if ($check_bookReview) {
        BookReview::destroy($id);
        return response()->noContent();
    } else {
        abort(404);
    }
}

I've never tried to delete data with a relation before, how do I accomplish this?

Thank you in advance

CodePudding user response：

You can leverage Route Model Binding to have Laravel automatically attempt to find and return the relevant models from your database based on the URI parameters defined in your route and associated function:

Route::delete('/books/{bookId}/reviews/{reviewId}', [BookReviewController::class, 'destroy');

public function destroy(Request $requst, Book $bookId, BookReview $reviewId)
{
    $bookId->delete();

    return response()->json([], 204);
}

Laravel will automatically attempt to find and return the relevant Book and BookReview models from the database based on the value of each parameter. If it can't find the relevant model it will fail with a 404 but otherwise, the value of each parameter will be that of a model. Note that the name of the parameters defined in the Route and function definitions must match for route model binding to work.

CodePudding user response：

Instead of:❌

public function destroy(int $bookId, int $reviewId, Request $request)
    {
        // @TODO implement
        $check_bookReview = BookReview::firstWhere('id', $reviewId);
        if ($check_bookReview) {
            BookReview::destroy($id);
            return response()->noContent();
        }
        else {
            abort(404);
        }
    }

Use this: ✅

public function destroy(int $bookId, int $reviewId, Request $request)
{
    if (BookReview::destroy($reviewId)) {
        return response()->noContent();
    } else {
        abort(404);
    }
}

\Illuminate\Database\Eloquent\Model::destroy($ids) returns a total count of destroyed models for the given IDs.