<?php
/*
* Plugin name: Limit Groups per User
*description: Limit the number of groups a user can create.
*Author:Brajesh Singh
*Author URI: http://buddydev.com
*Plugin URI: http://buddydev.com/buddypress/limit-groups-per-user-plugin-for-buddypress/
* Version: 1.0
*/



function bpdev_restrict_group_create($allowed_count=0,$current_group_count=0,$user_id=null){
	global $bp,$wpdb;



//no restriction to site admin
if ( $bp->current_component != $bp->groups->slug || 'create' != $bp->current_action ||is_super_admin())
		return false;
//if we are here,It is group creation step
if(!$allowed_count) //if zero, means no restriction
	return false;

if(!$user_id)
	$user_id=$bp->loggedin_user->id;

if($current_group_count>=$allowed_count){

		bp_core_add_message(__("You have exceeded the no. of groups you can create."),"error");
		remove_action( 'wp', 'groups_action_create_group', 3 );
		bp_core_redirect(bp_get_root_domain()."/".bp_get_groups_root_slug());
}


}

function bpdev_check_group_create(){
	global $bp;
	if(!function_exists("bp_is_active")||!bp_is_active("groups"))
		return; //do not cause headache

		$user_id=$bp->loggedin_user->id;//default for logged in user

	$allowed_count=get_site_option( 'limit-groups-creation-per-user',0 );//default 0, unlimited;
	$user_has_admin_rights=BP_Groups_Member::get_is_admin_of($user_id);// $wpdb->get_var( $wpdb->prepare( "SELECT count(group_id) as count FROM {$bp->groups->table_name_members} WHERE user_id = %d AND is_admin = 1 AND is_banned = 0", $user_id) );
	$count=$user_has_admin_rights["total"];
	bpdev_restrict_group_create(intval($allowed_count),intval($count),$user_id);
}

add_action("wp","bpdev_check_group_create",2);



function bpdev_limit_groups_admin_screen(){
?>
<table class="form-table">
<tbody>
<tr>
	<th scope="row"><?php _e( 'Limit Groups Per User' ) ?></th>
		<td>
			<p><?php _e( 'How many Groups a user can create?') ?></p>

						<label><input type="text" name="bp-admin[limit-groups-creation-per-user]" id="limit-groups-creation-per-user" value="<?php echo get_site_option( 'limit-groups-creation-per-user',0 );?>" /></label><br>
	</td>
				</tr>
</tbody>
</table>
<?php
}
add_action("bp_core_admin_screen","bpdev_limit_groups_admin_screen");
		?>