Laravel Controller model filtering and pagination using request queries.

ResourceController.php

class ResourceController 
{      
    public function paginate($query, $current_page = 1, $items_per_page = 25)
    {
        $count = $query->count();
        $data = $query->skip($items_per_page * ($current_page - 1))->take($items_per_page)->get();
        $pages = ceil($count / $items_per_page);
        return [
            'count' => $count,
            'pages' => $pages,
            'data' => $data,
        ];
    }

    public function queryModel($model, $request) {
        $models = $model;

        foreach ($request->query('where', []) as $field => $value) {
            $models = $models->where($field, '=', $value);
        }

        foreach ($request->query('orWhere', []) as $field => $value) {
            $models = $models->orWhere($field, '=', $value);
        }

        foreach ($request->query('whereNot', []) as $field => $value) {
            $models = $models->where($field, '!=', $value);
        }

        foreach ($request->query('whereLike', []) as $field => $value) {
            $models = $models->where($field, 'like', '%' . $value . '%');
        }

        if ($request->has('whereBefore')) {
            $date = new Carbon($request->query('whereBefore'));
            $models = $models->whereDate('created_at', '<=', $date->toDateString());
        }

        if ($request->has('whereAfter')) {
            $date = new Carbon($request->query('whereAfter'));
            $models = $models->whereDate('created_at', '>=', $date->toDateString());
        }

        return $models;
    }
}