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Merge pull request #215 from WordPress/event-capabilities
Event capabilities
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,188 @@ | ||
| <?php | ||
|
|
||
| namespace Wporg\TranslationEvents\Event; | ||
|
|
||
| use GP; | ||
| use WP_User; | ||
| use Wporg\TranslationEvents\Attendee\Attendee; | ||
| use Wporg\TranslationEvents\Attendee\Attendee_Repository; | ||
| use Wporg\TranslationEvents\Stats\Stats_Calculator; | ||
|
|
||
| class Event_Capabilities { | ||
| private const CREATE = 'create_translation_event'; | ||
| private const VIEW = 'view_translation_event'; | ||
| private const EDIT = 'edit_translation_event'; | ||
| private const DELETE = 'delete_translation_event'; | ||
|
|
||
| /** | ||
| * All the capabilities that concern an Event. | ||
| */ | ||
| private const CAPS = array( | ||
| self::CREATE, | ||
| self::VIEW, | ||
| self::EDIT, | ||
| self::DELETE, | ||
| ); | ||
|
|
||
| private Event_Repository_Interface $event_repository; | ||
| private Attendee_Repository $attendee_repository; | ||
| private Stats_Calculator $stats_calculator; | ||
|
|
||
| public function __construct( | ||
| Event_Repository_Interface $event_repository, | ||
| Attendee_Repository $attendee_repository, | ||
| Stats_Calculator $stats_calculator | ||
| ) { | ||
| $this->event_repository = $event_repository; | ||
| $this->attendee_repository = $attendee_repository; | ||
| $this->stats_calculator = $stats_calculator; | ||
| } | ||
|
|
||
| /** | ||
| * This function is automatically called whenever user_can() is called for one the capabilities in self::CAPS. | ||
| * | ||
| * @param string $cap Requested capability. | ||
| * @param array $args Arguments that accompany the requested capability check. | ||
| * @param WP_User $user User for which we're evaluating the capability. | ||
| * @return bool | ||
| */ | ||
| private function has_cap( string $cap, array $args, WP_User $user ): bool { | ||
| switch ( $cap ) { | ||
| case self::CREATE: | ||
| return $this->has_create( $user ); | ||
| case self::VIEW: | ||
| case self::EDIT: | ||
| case self::DELETE: | ||
| if ( ! isset( $args[2] ) || ! is_numeric( $args[2] ) ) { | ||
| return false; | ||
| } | ||
| $event = $this->event_repository->get_event( intval( $args[2] ) ); | ||
| if ( ! $event ) { | ||
| return false; | ||
| } | ||
|
|
||
| if ( self::VIEW === $cap ) { | ||
| return $this->has_view( $user, $event ); | ||
| } | ||
| if ( self::EDIT === $cap ) { | ||
| return $this->has_edit( $user, $event ); | ||
| } | ||
| if ( self::DELETE === $cap ) { | ||
| return $this->has_delete( $user, $event ); | ||
| } | ||
| break; | ||
| } | ||
|
|
||
| return false; | ||
| } | ||
|
|
||
| /** | ||
| * Evaluate whether a user can create events. | ||
| * | ||
| * @param WP_User $user User for which we're evaluating the capability. | ||
| * @return bool | ||
| */ | ||
| private function has_create( WP_User $user ): bool { | ||
| return $this->is_gp_admin( $user ); | ||
| } | ||
|
|
||
| /** | ||
| * Evaluate whether a user can view a specific event. | ||
| * | ||
| * @param WP_User $user User for which we're evaluating the capability. | ||
| * @param Event $event Event for which we're evaluating the capability. | ||
| * @return bool | ||
| */ | ||
| private function has_view( WP_User $user, Event $event ): bool { | ||
| if ( $this->is_gp_admin( $user ) ) { | ||
| return true; | ||
| } | ||
|
|
||
| return 'publish' === $event->status(); | ||
| } | ||
|
|
||
| /** | ||
| * Evaluate whether a user can edit a specific event. | ||
| * | ||
| * @param WP_User $user User for which we're evaluating the capability. | ||
| * @param Event $event Event for which we're evaluating the capability. | ||
| * @return bool | ||
| */ | ||
| private function has_edit( WP_User $user, Event $event ): bool { | ||
| if ( $event->end()->is_in_the_past() ) { | ||
| return false; | ||
| } | ||
|
|
||
| if ( $this->stats_calculator->event_has_stats( $event->id() ) ) { | ||
| return false; | ||
| } | ||
|
|
||
| if ( $event->author_id() === $user->ID ) { | ||
| return true; | ||
| } | ||
|
|
||
| if ( user_can( $user->ID, 'edit_post', $event->id() ) ) { | ||
| return true; | ||
| } | ||
|
|
||
| $attendee = $this->attendee_repository->get_attendee( $event->id(), $user->ID ); | ||
| if ( ( $attendee instanceof Attendee ) && $attendee->is_host() ) { | ||
| return true; | ||
| } | ||
|
|
||
| if ( $this->is_gp_admin( $user ) ) { | ||
| return true; | ||
| } | ||
|
|
||
| return false; | ||
| } | ||
|
|
||
| /** | ||
| * Evaluate whether a user can delete a specific event. | ||
| * | ||
| * @param WP_User $user User for which we're evaluating the capability. | ||
| * @param Event $event Event for which we're evaluating the capability. | ||
| * @return bool | ||
| */ | ||
| private function has_delete( WP_User $user, Event $event ): bool { | ||
| // Must be able to edit in order to delete. | ||
| if ( ! $this->has_edit( $user, $event ) ) { | ||
| return false; | ||
| } | ||
|
|
||
| if ( user_can( $user->ID, 'delete_post', $event->id() ) ) { | ||
| return true; | ||
| } | ||
|
|
||
| return false; | ||
| } | ||
|
|
||
| /** | ||
| * Evaluate whether a user is a GlotPress admin. | ||
| * | ||
| * @param WP_User $user User for which we're evaluating the capability. | ||
| * @return bool | ||
| */ | ||
| private function is_gp_admin( WP_User $user ): bool { | ||
| return apply_filters( 'gp_translation_events_can_crud_event', GP::$permission->user_can( $user, 'admin' ) ); | ||
| } | ||
|
|
||
| public function register_hooks(): void { | ||
| add_action( | ||
| 'user_has_cap', | ||
| function ( $allcaps, $caps, $args, $user ) { | ||
| foreach ( $caps as $cap ) { | ||
| if ( ! in_array( $cap, self::CAPS, true ) ) { | ||
| continue; | ||
| } | ||
| if ( $this->has_cap( $cap, $args, $user ) ) { | ||
| $allcaps[ $cap ] = true; | ||
| } | ||
| } | ||
| return $allcaps; | ||
| }, | ||
| 10, | ||
| 4, | ||
| ); | ||
| } | ||
| } |
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