/**
* Get the callback to constrain an abilities query to the given ability.
*
* @param string $ability
* @param \Illuminate\Database\Eloquent\Model|string|null $model
* @return \Closure
*/
protected function getAbilityConstraint($ability, $model)
{
return function ($query) use($ability, $model) {
$table = Models::ability()->getTable();
$query->where("{$table}.name", $ability);
if (!is_null($model)) {
$query->forModel($model);
}
};
}
/**
* Create abilities whose name is not in the given list.
*
* @param \Illuminate\Database\Eloquent\Collection $models
* @param array $abilities
* @return \Illuminate\Database\Eloquent\Collection
*/
protected function createMissingAbilities(Collection $models, array $abilities)
{
$missing = array_diff($abilities, $models->pluck('name')->all());
$created = [];
foreach ($missing as $ability) {
$created[] = Models::ability()->create(['name' => $ability]);
}
return $created;
}
/**
* Get a list of the user's abilities.
*
* @param \Illuminate\Database\Eloquent\Model $user
* @return \Illuminate\Database\Eloquent\Collection
*/
public function getAbilities(Model $user)
{
$query = Models::ability()->whereHas('roles', $this->getRoleUsersConstraint($user));
return $query->orWhereHas('users', $this->getUserConstraint($user))->get();
}
/**
* Get the table name for the ability model.
*
* @return string
*/
protected function abilities()
{
return Models::ability()->getTable();
}
/**
* Get the ability IDs from the names present in the given array.
*
* @param array $abilities
* @return array
*/
protected function getAbilityIdsFromStrings(array $abilities)
{
$names = array_filter($abilities, 'is_string');
if (!count($names)) {
return [];
}
return Models::ability()->whereIn('name', $names)->get(['id'])->pluck('id')->all();
}
/**
* Get an instance of the ability model.
*
* @param array $attributes
* @return \Silber\Bouncer\Database\Ability
*/
public function ability(array $attributes = [])
{
return Models::ability($attributes);
}
/**
* Deserialize an array of abilities into a collection of models.
*
* @param array $abilities
* @return \Illuminate\Database\Eloquent\Collection
*/
protected function deserializeAbilities(array $abilities)
{
return Models::ability()->hydrate($abilities);
}
/**
* Get a list of the authority's abilities.
*
* @param \Illuminate\Database\Eloquent\Model $authority
* @param bool $allowed
* @return \Illuminate\Database\Eloquent\Collection
*/
public function getForAuthority(Model $authority, $allowed = true)
{
return Models::ability()->whereExists($this->getRoleConstraint($authority, $allowed))->orWhereExists($this->getAuthorityConstraint($authority, $allowed))->get();
}
