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   1  <?php
   2  /**
   3   * Groups: Join action
   4   *
   5   * @package BuddyPress
   6   * @subpackage GroupActions
   7   * @since 3.0.0
   8   */
   9  
  10  /**
  11   * Catch and process "Join Group" button clicks.
  12   *
  13   * @since 1.0.0
  14   *
  15   * @return bool
  16   */
  17  function groups_action_join_group() {
  18  
  19      if ( !bp_is_single_item() || !bp_is_groups_component() || !bp_is_current_action( 'join' ) )
  20          return false;
  21  
  22      // Nonce check.
  23      if ( !check_admin_referer( 'groups_join_group' ) )
  24          return false;
  25  
  26      $bp = buddypress();
  27  
  28      // Skip if banned or already a member.
  29      if ( !groups_is_user_member( bp_loggedin_user_id(), $bp->groups->current_group->id ) && !groups_is_user_banned( bp_loggedin_user_id(), $bp->groups->current_group->id ) ) {
  30  
  31          // User wants to join a group that requires an invitation to join.
  32          if ( ! bp_current_user_can( 'groups_join_group', array( 'group_id' => $bp->groups->current_group->id ) ) ) {
  33              if ( !groups_check_user_has_invite( bp_loggedin_user_id(), $bp->groups->current_group->id ) ) {
  34                  bp_core_add_message( __( 'There was an error joining the group.', 'buddypress' ), 'error' );
  35                  bp_core_redirect( bp_get_group_permalink( $bp->groups->current_group ) );
  36              }
  37          }
  38  
  39          // User wants to join any group.
  40          if ( !groups_join_group( $bp->groups->current_group->id ) )
  41              bp_core_add_message( __( 'There was an error joining the group.', 'buddypress' ), 'error' );
  42          else
  43              bp_core_add_message( __( 'You joined the group!', 'buddypress' ) );
  44  
  45          bp_core_redirect( bp_get_group_permalink( $bp->groups->current_group ) );
  46      }
  47  
  48      /**
  49       * Filters the template to load for the single group screen.
  50       *
  51       * @since 1.0.0
  52       *
  53       * @param string $value Path to the single group template to load.
  54       */
  55      bp_core_load_template( apply_filters( 'groups_template_group_home', 'groups/single/home' ) );
  56  }
  57  add_action( 'bp_actions', 'groups_action_join_group' );