How get a collection of models with no tags assigned - Laravel

Question

I am using rtconner/laravel-tagging package to get tags functionality to my app.

I can count attached tags by $o->tags->count()

I can loop the tags by a foreach: @foreach($o->tags as $t). print attached tags by

the problem

Now I want to get a collection of random 10 Quotation with no tags attached.

While I can print a random 10 pieces with a given attribute:

$object = Quotation::where('deepness', null)->get()->random(10);

(Note: I have a random scope defined in the model, irrelevant for my issue)

... but this code, cloned from another model doesn't work:

$object = Quotation::whereHas('tags','>',0)->get()->random(10);

It produces this error message:

FatalThrowableError in Builder.php line 880: Type error: Argument 2 passed to Illuminate\Database\Eloquent\Builder::whereHas() must be an instance of Closure, string given

I have also tried to execute this query

$object = Quotation::has('tags')->get()->random(10);

but I got this: ``` BadMethodCallException in Builder.php line 2431: Call to undefined method Illuminate\Database\Query\Builder::tags()

``` Note 2: In the source model (the one I cloned from) the relation was counting a hasMany relation.

to do

Please help me to create the collection of Quotations with no tags assigned

Answer 1

Had the same problem and solved it this way:

$objects = Quotation::all();

$objects = $objects->filter(
                function ($object, $key) {
                    return $object->tags->count() > 0;
                }
            )->random(10);

Hope issues still relevant :)