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HandlePermissions.php
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HandlePermissions.php
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<?php
namespace A17\Twill\Repositories\Behaviors;
use A17\Twill\Enums\PermissionLevel;
use A17\Twill\Facades\TwillPermissions;
use A17\Twill\Models\Contracts\TwillModelContract;
use Illuminate\Support\Str;
use Illuminate\Support\Facades\Session;
use A17\Twill\Models\Permission;
trait HandlePermissions
{
/**
* Retrieve user-item permissions fields
*
* @param TwillModelContract $object
* @param array $fields
* @return array
*/
public function getFormFieldsHandlePermissions($object, $fields)
{
$moduleName = getModuleNameByModel($object);
if (!$this->shouldProcessPermissions($moduleName)) {
return $fields;
}
$userItemPermissions = twillModel('user')::notSuperAdmin()->get()->mapWithKeys(
function ($user) use ($object, $moduleName) {
$permissionName = $this->getUserItemPermissionName($user, $object, $moduleName);
return ["user_{$user->id}_permission" => $permissionName];
}
)->toArray();
$this->storePermissionFields($moduleName, $object, $userItemPermissions);
return $fields + $userItemPermissions;
}
private function getUserItemPermissionName($user, $item, $moduleName)
{
if ($user->role->permissions()->global()->where('name', 'manage-modules')->first()) {
return 'manage-item';
}
$allPermissionNames = collect([]);
// Role-Module permission
if ($modulePermission = $user->role->permissions()->ofModuleName($moduleName)->first()) {
$allPermissionNames->push(str_replace('-module', '-item', $modulePermission->name));
}
// Group-Item permissions
$userGroups = $user->groups()->where('is_everyone_group', false)->get();
foreach ($userGroups as $group) {
if ($permission = $group->permissions()->ofItem($item)->first()) {
$allPermissionNames->push($permission->name);
}
}
// User-Item permission
if ($itemPermission = $user->permissions()->ofItem($item)->first()) {
$allPermissionNames->push($itemPermission->name);
}
return $this->getHighestItemPermissionName($allPermissionNames->filter());
}
private function getHighestItemPermissionName($permissionNames)
{
if (count($permissionNames) <= 1) {
return $permissionNames[0] ?? '';
}
$itemScopes = collect(Permission::available(Permission::SCOPE_ITEM))
->reverse()
->mapWithKeys(function ($scope) {
return [$scope => 0];
})
->toArray();
foreach ($permissionNames as $name) {
if (isset($itemScopes[$name])) {
++$itemScopes[$name];
}
}
foreach ($itemScopes as $scope => $count) {
if ($count > 0) {
return $scope;
}
}
return '';
}
/**
* Function executed after save on module form
*
* @param Model $object
* @param array $fields
*/
public function afterSaveHandlePermissions($object, $fields)
{
$moduleName = getModuleNameByModel($object);
if (!$this->shouldProcessPermissions($moduleName)) {
return;
}
$oldItemPermissions = $this->recallPermissionFields($moduleName, $object);
foreach ($fields as $key => $value) {
if (!Str::endsWith($key, '_permission')) {
continue;
}
if (isset($oldItemPermissions[$key]) && $oldItemPermissions[$key] === $value) {
continue;
}
$userId = explode('_', $key)[1];
$user = twillModel('user')::find($userId);
if ($value) {
$user->grantModuleItemPermission($value, $object);
} else {
$user->revokeModuleItemAllPermissions($object);
}
}
}
private function shouldProcessPermissions($moduleName): bool
{
return TwillPermissions::levelIs(PermissionLevel::LEVEL_ROLE_GROUP_ITEM)
&& TwillPermissions::getPermissionModule($moduleName);
}
private function storePermissionFields($moduleName, $object, $permissionFields)
{
Session::put("{$moduleName}_{$object->id}_item_permissions", $permissionFields);
}
private function recallPermissionFields($moduleName, $object)
{
return Session::get("{$moduleName}_{$object->id}_item_permissions") ?: [];
}
}