group open close example for Jaume

jaume-group-open-close.php

//do not let the activity be posted by any means(do not allow from directory etc)

function bd_check_post_update() {


	$item_id     = 0;
	$object      = '';


	// Try to get the item id from posted variables.
	if ( ! empty( $_POST['item_id'] ) ) {
		$item_id = (int) $_POST['item_id'];
	}

	// Try to get the object from posted variables.
	if ( ! empty( $_POST['object'] ) ) {
		$object  = sanitize_key( $_POST['object'] );

		// If the object is not set and we're in a group, set the item id and the object
	} elseif ( bp_is_group() ) {
		$item_id = bp_get_current_group_id();
		$object = 'groups';
	}
	if ( $object =='groups' && bd_is_group_closed( $item_id ) ) {
		exit( '-1<div id="message" class="error bp-ajax-message"><p>' . __( 'This group is closed.', 'buddypress' ) . '</p></div>' );
	}
//let the default one handle posting
}
add_action( 'wp_ajax_post_update', 'bd_check_post_update' );

//filter the activity commenting capability
function bd_check_comment_status( $can_comment ){

	global $activities_template;

	$activity = $activities_template->activity;

	if ( bd_is_group_activity_closed( $activity->id ) ) {
		$can_comment = false;
	}

	return $can_comment;

}
add_filter( 'bp_activity_can_comment',  'bd_check_comment_status' );

//filter activity comment reply capability
function bd_check_comment_reply_status( $can_comment, $comment ){

	global $activities_template;

	$activity = $activities_template->activity;

	if ( bd_is_group_activity_closed( $activity->id ) ) {
		$can_comment = false;
	}

	return $can_comment;

}
add_filter( 'bp_activity_can_comment_reply',  'bd_check_comment_reply_status', 10, 2 );

//Hide post from on Group home page?
function bd_maybe_hide_form_start() {

	if ( bd_is_group_closed() ) {
		ob_start();//start buffer only if closed
	}
}
add_action( 'bp_before_group_activity_post_form', 'bd_maybe_hide_form_start' );

//end code to hide form
function bd_maybe_hide_form_end() {

	if ( bd_is_group_closed() ) {
		ob_end_clean();

	}

}
add_action( 'bp_after_group_activity_post_form', 'bd_maybe_hide_form_end' );


/**
 * Is group closed?
 * @param bool $group_id
 *
 * @return bool
 */

function bd_is_group_closed( $group_id = false ) {
	if ( ! $group_id ) {

		$group = groups_get_current_group();

		if ( ! empty( $group ) ) {
			$group_id = $group->id;
		}
	}

	if ( ! $group_id ) {
		return false;
	}


	//check for group settings
	$is_enabled = groups_get_groupmeta( $group_id, '_is_group_closed', true );

	return $is_enabled == 'yes';
}

/**
 * Is this activity a group activity and is gropup closed?
 *
 * @param int $activity_id
 *
 * @return bool
 */
function bd_is_group_activity_closed( $activity_id = null ) {

	$activity = new BP_Activity_Activity( $activity_id );
	if ( $activity->component == 'groups' && bd_is_group_closed( $activity->item_id ) ) {
		return true;
	}

	return false;

}


/**
 * Add the option on Group->Manage->settings screen,
 */
function bd_group_open_close_form() {

	?>
	<div class="checkbox bd-opne-close-group">
		<label><input type="checkbox" name="_is_group_closed" id="_is_group_closed" value="yes" <?php echo checked( true, bd_is_group_closed() );?>/> <?php _e( 'Archive Group' ) ?></label>
	</div>
	<?php

}
add_action( 'bp_before_group_settings_admin', 'bd_group_open_close_form' );

/**
 * Save poreference on update of the gropup
 * @param $group_id
 */

function bd_group_save_preference( $group_id ) {

	$enabled= isset( $_POST['_is_group_closed'] ) ? $_POST['_is_group_closed'] : 'no';

	if ( $enabled != 'yes' && $enabled != 'no' ) {//invalid value
		$enabled = 'no';//set it to no
	}

	groups_update_groupmeta( $group_id, '_is_group_closed', $enabled );

}
add_action( 'groups_group_settings_edited', 'bd_group_save_preference' );
add_action( 'groups_update_group', 'bd_group_save_preference' );