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<?php namespace Trebol\Entrust\Traits;
/**
* This file is part of Entrust,
* a role & permission management solution for Laravel.
*
* @license MIT
* @package Trebol\Entrust
*/
use Illuminate\Cache\TaggableStore;
use Illuminate\Support\Facades\Config;
use Illuminate\Support\Facades\Cache;
trait EntrustRoleTrait
{
//Big block of caching functionality.
public function cachedPermissions()
{
$rolePrimaryKey = $this->primaryKey;
$cacheKey = 'entrust_permissions_for_role_' . $this->$rolePrimaryKey;
if (Cache::getStore() instanceof TaggableStore) {
return Cache::tags(Config::get('entrust.permission_role_table'))->remember($cacheKey, Config::get('cache.ttl', 60), function () {
return $this->perms()->get();
});
} else return $this->perms()->get();
}
public function save(array $options = [])
{ //both inserts and updates
if (!parent::save($options)) {
return false;
}
if (Cache::getStore() instanceof TaggableStore) {
Cache::tags(Config::get('entrust.permission_role_table'))->flush();
}
return true;
}
public function delete(array $options = [])
{ //soft or hard
if (!parent::delete($options)) {
return false;
}
if (Cache::getStore() instanceof TaggableStore) {
Cache::tags(Config::get('entrust.permission_role_table'))->flush();
}
return true;
}
public function restore()
{ //soft delete undo's
if (!parent::restore()) {
return false;
}
if (Cache::getStore() instanceof TaggableStore) {
Cache::tags(Config::get('entrust.permission_role_table'))->flush();
}
return true;
}
/**
* Many-to-Many relations with the user model.
*
* @return \Illuminate\Database\Eloquent\Relations\BelongsToMany
*/
public function users()
{
return $this->belongsToMany(Config::get('auth.providers.users.model'), Config::get('entrust.role_user_table'), Config::get('entrust.role_foreign_key'), Config::get('entrust.user_foreign_key'));
}
/**
* Many-to-Many relations with the permission model.
* Named "perms" for backwards compatibility. Also because "perms" is short and sweet.
*
* @return \Illuminate\Database\Eloquent\Relations\BelongsToMany
*/
public function perms()
{
return $this->belongsToMany(Config::get('entrust.permission'), Config::get('entrust.permission_role_table'), Config::get('entrust.role_foreign_key'), Config::get('entrust.permission_foreign_key'));
}
/**
* Boot the role model
* Attach event listener to remove the many-to-many records when trying to delete
* Will NOT delete any records if the role model uses soft deletes.
*
* @return void|bool
*/
public static function boot()
{
parent::boot();
static::deleting(function ($role) {
if (!method_exists(Config::get('entrust.role'), 'bootSoftDeletes')) {
$role->users()->sync([]);
$role->perms()->sync([]);
}
return true;
});
}
/**
* Checks if the role has a permission by its name.
*
* @param string|array $name Permission name or array of permission names.
* @param bool $requireAll All permissions in the array are required.
*
* @return bool
*/
public function hasPermission($name, $requireAll = false)
{
if (is_array($name)) {
foreach ($name as $permissionName) {
$hasPermission = $this->hasPermission($permissionName);
if ($hasPermission && !$requireAll) {
return true;
} elseif (!$hasPermission && $requireAll) {
return false;
}
}
// If we've made it this far and $requireAll is FALSE, then NONE of the permissions were found
// If we've made it this far and $requireAll is TRUE, then ALL of the permissions were found.
// Return the value of $requireAll;
return $requireAll;
} else {
foreach ($this->cachedPermissions() as $permission) {
if ($permission->name == $name) {
return true;
}
}
}
return false;
}
/**
* Save the inputted permissions.
*
* @param mixed $inputPermissions
*
* @return void
*/
public function savePermissions($inputPermissions)
{
if (!empty($inputPermissions)) {
$this->perms()->sync($inputPermissions);
} else {
$this->perms()->detach();
}
if (Cache::getStore() instanceof TaggableStore) {
Cache::tags(Config::get('entrust.permission_role_table'))->flush();
}
}
/**
* Attach permission to current role.
*
* @param object|array $permission
*
* @return void
*/
public function attachPermission($permission)
{
if (is_object($permission)) {
$permission = $permission->getKey();
}
if (is_array($permission)) {
return $this->attachPermissions($permission);
}
$this->perms()->attach($permission);
}
/**
* Detach permission from current role.
*
* @param object|array $permission
*
* @return void
*/
public function detachPermission($permission)
{
if (is_object($permission)) {
$permission = $permission->getKey();
}
if (is_array($permission)) {
return $this->detachPermissions($permission);
}
$this->perms()->detach($permission);
}
/**
* Attach multiple permissions to current role.
*
* @param mixed $permissions
*
* @return void
*/
public function attachPermissions($permissions)
{
foreach ($permissions as $permission) {
$this->attachPermission($permission);
}
}
/**
* Detach multiple permissions from current role
*
* @param mixed $permissions
*
* @return void
*/
public function detachPermissions($permissions = null)
{
if (!$permissions) $permissions = $this->perms()->get();
foreach ($permissions as $permission) {
$this->detachPermission($permission);
}
}
}