free-pmo/app/Entities/Users/HasRoles.php

<?php

namespace App\Entities\Users;

trait HasRoles
{

    /**
     * A user may have multiple roles.
     *
     * @return \Illuminate\Database\Eloquent\Relations\BelongsToMany
     */
    public function roles()
    {
        return $this->belongsToMany(Role::class);
    }

    /**
     * Assign the given role to the user.
     *
     * @param  string $role
     * @return mixed
     */
    public function assignRole($role)
    {
        return $this->roles()->save(
            Role::whereName($role)->firstOrFail()
        );
    }

    /**
     * Determine if the user has the given role.
     *
     * @param  mixed $role
     * @return boolean
     */
    public function hasRole($role)
    {
        if (is_string($role)) {
            return $this->roles->contains('name', $role);
        }

        return !! $role->intersect($this->roles)->count();
    }

    /**
     * Determine if the user may perform the given permission.
     *
     * @param  Permission $permission
     * @return boolean
     */
    public function hasPermission(Permission $permission)
    {
        return $this->hasRole($permission->roles);
    }

    public function hasRoles(array $roleNameArray)
    {
        return $this->roles->contains(function($key, $role) use ($roleNameArray) {
            return in_array($role->name, $roleNameArray);
        });
    }

    public function scopeHasRoles($query, array $roleNameArray)
    {
        return $query->whereHas('roles', function($q) use ($roleNameArray) {
            $q->whereIn('name',$roleNameArray);
        });
    }
}