Laravel tags CRUD

Question

I have read or watched many laravel tutorials on the web,most of the tutorials' tagging system have a feature:

The tag CRUD has their own router,first,add new tags and select tags when create new post.But if I want to dynamically add tags or update tags when create post like wordpress, How can I do ? (I'm using bootstrap-tagsinput plugin)

For example:

Tag Router

Route::resource('tags','TagsController');

Tags CRUD all work in this way.

What I want to do is :

Post Router

Route::resource('posts','PostController');

When I create new post or edit post, I also can add or delete tags without use the Tag Router

For create post I can use laravel's saveMany method like this:

    $post = new Post();
    $post->someProperty = $someProperty;
    $post->save();
    $tags = [];
    foreach ($request->tags as $tag) {
        $tags[] = new Tag(['name' => $tag]);
    }
    $post->saveMany($tags);

But when I edit a post, I also want to delete tags or add new tags,How can I do for it?

msonowal · Accepted Answer · 2016-12-28 07:14:17Z

0

use this tagging package which has all the features you want so you don't have to re-invent the wheel.

So, there you can untag or delete tag or retag completely

$post->untag('Cooking'); // remove Cooking tag
$post->untag(); // remove all tags
$post->retag(array('Fruit', 'Fish'));

answered Dec 28, 2016 at 7:14

msonowal

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Community · Accepted Answer · 2017-05-23 11:46:01Z

0

you can easily use:

$post->tags()->sync($request->tags, false);

you can review the function sync documentation under Syncing Associations section and you can see this answer

edited May 23, 2017 at 11:46

CommunityBot

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answered Dec 28, 2016 at 7:14

M.Elwan

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Comments

Quân Hoàng · Accepted Answer · 2020-05-07 09:55:41Z

It's too late. But I have same issue and google search for this. I found a good article here: https://www.amitmerchant.com/attach-detach-sync-laravel/

in my case:

public function update(PostEditRequest $request)
    {
        $post = DB::transaction(function() use($request) {
            $post = Post::find($request->id);
            if (!$post) return $this->response404('Post is not found!!!');

            $data = $request->only(['title', 'content']);
            $post->update($data);

            $tags = collect($request->tags); // My tags are [{id: 1, name: 'PHP'}] I got from ajax request
            $post->tags()->sync($tags->pluck('id')); // <- This to add and also remove tag for the post 

            return $post;
        });
        return $this->successResponseWithResource(new PostResource($post));
    }

Hope it help someone.

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