/wp-content/plugins/events-manager/classes/em-events.php
PHP | 397 lines | 295 code | 31 blank | 71 comment | 85 complexity | 18efc7a56329713604c6fb67beeb1fd9 MD5 | raw file
- <?php
- //TODO EM_Events is currently static, better we make this non-static so we can loop sets of events, and standardize with other objects.
- /**
- * Use this class to query and manipulate sets of events. If dealing with more than one event, you probably want to use this class in some way.
- *
- */
- class EM_Events extends EM_Object implements Iterator {
- /**
- * Array of EM_Event objects
- * @var array EM_Event
- */
- var $events = array();
-
- function EM_Events( $args = array() ){
- if( is_array($args) ){
- if( is_object(current($args)) && get_class(current($args)) == 'EM_Event' ){
- $this->events = $args;
- }else{
- $this->events = EM_Events::get($args);
- }
- }else{
- $this->events = EM_Events::get();
- }
- do_action('em_events',$this);
- }
-
- /**
- * Returns an array of EM_Events that match the given specs in the argument, or returns a list of future evetnts in future
- * (see EM_Events::get_default_search() ) for explanation of possible search array values. You can also supply a numeric array
- * containing the ids of the events you'd like to obtain
- *
- * @param array $args
- * @return EM_Event array()
- */
- function get( $args = array(), $count=false ) {
- global $wpdb;
- $events_table = EM_EVENTS_TABLE;
- $locations_table = EM_LOCATIONS_TABLE;
-
- //Quick version, we can accept an array of IDs, which is easy to retrieve
- if( self::array_is_numeric($args) ){ //Array of numbers, assume they are event IDs to retreive
- //We can just get all the events here and return them
- $sql = "
- SELECT * FROM $events_table
- LEFT JOIN $locations_table ON {$locations_table}.location_id={$events_table}.location_id
- WHERE event_id=".implode(" OR event_id=", $args)."
- ";
- $results = $wpdb->get_results(apply_filters('em_events_get_sql',$sql),ARRAY_A);
- $events = array();
- foreach($results as $result){
- $events[$result['event_id']] = new EM_Event($result);
- }
- return $events; //We return all the events matched as an EM_Event array.
- }
-
- //We assume it's either an empty array or array of search arguments to merge with defaults
- $args = self::get_default_search($args);
- $limit = ( $args['limit'] && is_numeric($args['limit'])) ? "LIMIT {$args['limit']}" : '';
- $offset = ( $limit != "" && is_numeric($args['offset']) ) ? "OFFSET {$args['offset']}" : '';
-
- //Get the default conditions
- $conditions = self::build_sql_conditions($args);
- //Put it all together
- $where = ( count($conditions) > 0 ) ? " WHERE " . implode ( " AND ", $conditions ):'';
-
- //Get ordering instructions
- $EM_Event = new EM_Event();
- $EM_Location = new EM_Location();
- $orderby = self::build_sql_orderby($args, array_keys(array_merge($EM_Event->fields, $EM_Location->fields)), get_option('dbem_events_default_order'));
- //Now, build orderby sql
- $orderby_sql = ( count($orderby) > 0 ) ? 'ORDER BY '. implode(', ', $orderby) : '';
-
- //Create the SQL statement and execute
-
- if( EM_MS_GLOBAL ){
- $selectors = ( $count ) ? 'COUNT(*)':$events_table.'.post_id, '.$events_table.'.blog_id';
- }else{
- $selectors = ( $count ) ? 'COUNT(*)':$events_table.'.post_id';
- }
-
- $sql = "
- SELECT $selectors FROM $events_table
- LEFT JOIN $locations_table ON {$locations_table}.location_id={$events_table}.location_id
- $where
- $orderby_sql
- $limit $offset
- ";
-
- //If we're only counting results, return the number of results
- if( $count ){
- return apply_filters('em_events_get_count', $wpdb->get_var($sql), $args);
- }
- $results = $wpdb->get_results( apply_filters('em_events_get_sql',$sql, $args), ARRAY_A);
-
- //If we want results directly in an array, why not have a shortcut here?
- if( $args['array'] == true ){
- return apply_filters('em_events_get_array',$results, $args);
- }
-
- //Make returned results EM_Event objects
- $results = (is_array($results)) ? $results:array();
- $events = array();
-
- if( EM_MS_GLOBAL ){
- foreach ( $results as $event ){
- $events[] = em_get_event($event['post_id'], $event['blog_id']);
- }
- }else{
- foreach ( $results as $event ){
- $events[] = em_get_event($event['post_id'], 'post_id');
- }
- }
-
- return apply_filters('em_events_get', $events, $args);
- }
-
- /**
- * Returns the number of events on a given date
- * @param $date
- * @return int
- */
- function count_date($date){
- global $wpdb;
- $table_name = EM_EVENTS_TABLE;
- $sql = "SELECT COUNT(*) FROM $table_name WHERE (event_start_date like '$date') OR (event_start_date <= '$date' AND event_end_date >= '$date');";
- return apply_filters('em_events_count_date', $wpdb->get_var($sql));
- }
-
- function count( $args = array() ){
- return apply_filters('em_events_count', self::get($args, true), $args);
- }
-
- /**
- * Will delete given an array of event_ids or EM_Event objects
- * @param unknown_type $id_array
- */
- function delete( $array ){
- global $wpdb;
- //Detect array type and generate SQL for event IDs
- $results = array();
- if( !empty($array) && @get_class(current($array)) != 'EM_Event' ){
- $events = self::get($array);
- }else{
- $events = $array;
- }
- $event_ids = array();
- foreach ($events as $EM_Event){
- $event_ids[] = $EM_Event->event_id;
- $results[] = $EM_Event->delete();
- }
- //TODO add better error feedback on events delete fails
- return apply_filters('em_events_delete', in_array(false, $results), $event_ids);
- }
-
-
- /**
- * Output a set of matched of events. You can pass on an array of EM_Events as well, in this event you can pass args in second param.
- * Note that you can pass a 'pagination' boolean attribute to enable pagination, default is enabled (true).
- * @param array $args
- * @param array $secondary_args
- * @return string
- */
- function output( $args ){
- global $EM_Event;
- $EM_Event_old = $EM_Event; //When looping, we can replace EM_Event global with the current event in the loop
- //Can be either an array for the get search or an array of EM_Event objects
- $func_args = func_get_args();
- $page = 1; //default
- if( !array_key_exists('page',$args) && !empty($_REQUEST['pno']) && is_numeric($_REQUEST['pno']) ){
- $page = $args['page'] = $_REQUEST['pno'];
- }
- if( is_object(current($args)) && get_class((current($args))) == 'EM_Event' ){
- $func_args = func_get_args();
- $events = $func_args[0];
- $args = (!empty($func_args[1]) && is_array($func_args[1])) ? $func_args[1] : array();
- $args = apply_filters('em_events_output_args', self::get_default_search($args), $events);
- $limit = ( !empty($args['limit']) && is_numeric($args['limit']) ) ? $args['limit']:false;
- $offset = ( !empty($args['offset']) && is_numeric($args['offset']) ) ? $args['offset']:0;
- $page = ( !empty($args['page']) && is_numeric($args['page']) ) ? $args['page']:$page;
- $events_count = count($events);
- }else{
- //Firstly, let's check for a limit/offset here, because if there is we need to remove it and manually do this
- $args = apply_filters('em_events_output_args', self::get_default_search($args) );
- $limit = ( !empty($args['limit']) && is_numeric($args['limit']) ) ? $args['limit']:false;
- $offset = ( !empty($args['offset']) && is_numeric($args['offset']) ) ? $args['offset']:0;
- $page = ( !empty($args['page']) && is_numeric($args['page']) ) ? $args['page']:$page;
- $args_count = $args;
- $args_count['limit'] = false;
- $args_count['offset'] = false;
- $args_count['page'] = false;
- $events_count = self::count($args_count);
- $events = self::get( $args );
- }
- //What format shall we output this to, or use default
- $format = ( empty($args['format']) ) ? get_option( 'dbem_event_list_item_format' ) : $args['format'] ;
-
- $output = "";
- $events = apply_filters('em_events_output_events', $events);
- if ( $events_count > 0 ) {
- foreach ( $events as $EM_Event ) {
- $output .= $EM_Event->output($format);
- }
- //Add headers and footers to output
- if( $format == get_option ( 'dbem_event_list_item_format' ) ){
- $format_header = ( get_option( 'dbem_event_list_item_format_header') == '' ) ? '':get_option ( 'dbem_event_list_item_format_header' );
- $format_footer = ( get_option ( 'dbem_event_list_item_format_footer' ) == '' ) ? '':get_option ( 'dbem_event_list_item_format_footer' );
- }else{
- $format_header = ( !empty($args['format_header']) ) ? $args['format_header']:'';
- $format_footer = ( !empty($args['format_footer']) ) ? $args['format_footer']:'';
- }
- $output = $format_header . $output . $format_footer;
- //Pagination (if needed/requested)
- if( !empty($args['pagination']) && !empty($limit) && $events_count > $limit ){
- //Show the pagination links (unless there's less than $limit events)
- $page_link_template = preg_replace('/(&|\?)pno=\d+/i','',$_SERVER['REQUEST_URI']);
- $page_link_template = em_add_get_params($page_link_template, array('pno'=>'%PAGE%'), false); //don't html encode, so em_paginate does its thing;
- $output .= apply_filters('em_events_output_pagination', em_paginate( $page_link_template, $events_count, $limit, $page), $page_link_template, $events_count, $limit, $page);
- }
- } else {
- $output = get_option ( 'dbem_no_events_message' );
- }
-
- //TODO check if reference is ok when restoring object, due to changes in php5 v 4
- $EM_Event = $EM_Event_old;
- $output = apply_filters('em_events_output', $output, $events, $args);
- return $output;
- }
-
- function can_manage($event_ids){
- global $wpdb;
- if( current_user_can('edit_others_events') ){
- return apply_filters('em_events_can_manage', true, $event_ids);
- }
- if( EM_Object::array_is_numeric($event_ids) ){
- $condition = implode(" OR event_id=", $event_ids);
- //we try to find any of these events that don't belong to this user
- $results = $wpdb->get_var("SELECT COUNT(*) FROM ". EM_EVENTS_TABLE ." WHERE event_owner != '". get_current_user_id() ."' event_id=$condition;");
- return apply_filters('em_events_can_manage', ($results == 0), $event_ids);
- }
- return apply_filters('em_events_can_manage', false, $event_ids);
- }
-
- function get_post_search($args = array(), $filter = false){
- if( !empty($_REQUEST['em_search']) && empty($args['search']) ) $_REQUEST['search'] = $_REQUEST['em_search'];
- if( !empty($_REQUEST['category']) && $_REQUEST['category'] == -1 ) $_REQUEST['category'] = $args['category'] = 0;
- $accepted_searches = apply_filters('em_accepted_searches', array('scope','search','category','country','state','region','town'), $args);
- foreach($_REQUEST as $post_key => $post_value){
- if( in_array($post_key, $accepted_searches) && !empty($post_value) ){
- if(is_array($post_value)){
- $post_value = implode(',',$post_value);
- }
- if($post_value != ',' ){
- $args[$post_key] = $post_value;
- }elseif( $post_value == ',' && $post_key == 'scope' ){
- $args['scope'] = get_option('dbem_events_page_scope');
- }
- }
- }
- if( $filter ){
- foreach($args as $arg_key => $arg_value){
- if( !in_array($arg_key, $accepted_searches) ){
- unset($args[$arg_key]);
- }
- }
- }
- return apply_filters('em_events_get_post_search', $args);
- }
-
- /* Overrides EM_Object method to apply a filter to result
- * @see wp-content/plugins/events-manager/classes/EM_Object#build_sql_conditions()
- */
- function build_sql_conditions( $args = array() ){
- $conditions = parent::build_sql_conditions($args);
- if( !empty($args['search']) ){
- $like_search = array('event_name',EM_EVENTS_TABLE.'.post_content','location_name','location_address','location_town','location_postcode','location_state','location_country');
- $conditions['search'] = "(".implode(" LIKE '%{$args['search']}%' OR ", $like_search). " LIKE '%{$args['search']}%')";
- }
- if( array_key_exists('status',$args) && is_numeric($args['status']) ){
- $null = ($args['status'] == 0) ? ' OR `event_status` = 0':'';
- $conditions['status'] = "(`event_status`={$args['status']}{$null} )";
- }elseif( empty($args['status']) || $args['status'] != 'all'){
- $conditions['status'] = "(`event_status` IS NOT NULL )"; //by default, we don't ever show deleted items
- }
- //private events
- if( empty($args['private']) ){
- $conditions['private'] = "(`event_private`=0)";
- }elseif( !empty($args['private_only']) ){
- $conditions['private_only'] = "(`event_private`=1)";
- }
- if( EM_MS_GLOBAL && !empty($args['blog']) ){
- if( is_numeric($args['blog']) ){
- if( is_main_site($args['blog']) ){
- $conditions['blog'] = "(".EM_EVENTS_TABLE.".blog_id={$args['blog']} OR ".EM_EVENTS_TABLE.".blog_id IS NULL)";
- }else{
- $conditions['blog'] = "(".EM_EVENTS_TABLE.".blog_id={$args['blog']})";
- }
- }else{
- if( !is_array($args['blog']) && preg_match('/^([\-0-9],?)+$/', $args['blog']) ){
- $conditions['blog'] = "(".EM_EVENTS_TABLE.".blog_id IN ({$args['blog']}) )";
- }elseif( is_array($args['blog']) && $this->array_is_numeric($args['blog']) ){
- $conditions['blog'] = "(".EM_EVENTS_TABLE.".blog_id IN (".implode(',',$args['blog']).") )";
- }
- }
- }
- if( $args['bookings'] === 'user' && is_user_logged_in()){
- //get bookings of user
- $EM_Person = new EM_Person(get_current_user_id());
- $booking_ids = $EM_Person->get_bookings(true);
- if( count($booking_ids) > 0 ){
- $conditions['bookings'] = "(event_id IN (SELECT event_id FROM ".EM_BOOKINGS_TABLE." WHERE booking_id IN (".implode(',',$booking_ids).")))";
- }else{
- $conditions['bookings'] = "(event_id = 0)";
- }
- }
- //post search
- if( !empty($args['post_id'])){
- if( is_array($args['post_id']) ){
- $conditions['post_id'] = "(".EM_EVENTS_TABLE.".post_id IN (".implode(',',$args['post_id'])."))";
- }else{
- $conditions['post_id'] = "(".EM_EVENTS_TABLE.".post_id={$args['post_id']})";
- }
- }
- return apply_filters( 'em_events_build_sql_conditions', $conditions, $args );
- }
-
- /* Overrides EM_Object method to apply a filter to result
- * @see wp-content/plugins/events-manager/classes/EM_Object#build_sql_orderby()
- */
- function build_sql_orderby( $args, $accepted_fields, $default_order = 'ASC' ){
- return apply_filters( 'em_events_build_sql_orderby', parent::build_sql_orderby($args, $accepted_fields, get_option('dbem_events_default_order')), $args, $accepted_fields, $default_order );
- }
-
- /*
- * Adds custom Events search defaults
- * @param array $array
- * @return array
- * @uses EM_Object#get_default_search()
- */
- function get_default_search( $array = array() ){
- $defaults = array(
- 'orderby' => get_option('dbem_events_default_orderby'),
- 'order' => get_option('dbem_events_default_order'),
- 'bookings' => false, //if set to true, only events with bookings enabled are returned
- 'status' => 1, //approved events only
- 'format_header' => '', //events can have custom html above the list
- 'format_footer' => '', //events can have custom html below the list
- 'town' => false,
- 'state' => false,
- 'country' => false,
- 'region' => false,
- 'blog' => get_current_blog_id(),
- 'private' => current_user_can('read_private_events'),
- 'private_only' => false,
- 'post_id' => false
- );
- if( EM_MS_GLOBAL && !is_admin() ){
- if( empty($array['blog']) && is_main_site() && get_site_option('dbem_ms_global_events') ){
- $array['blog'] = false;
- }
- }
- if( is_admin() ){
- //figure out default owning permissions
- $defaults['owner'] = !current_user_can('edit_others_events') ? get_current_user_id() : false;
- if( !array_key_exists('status', $array) && current_user_can('edit_others_events') ){
- $defaults['status'] = false; //by default, admins see pending and live events
- }
- }
- return apply_filters('em_events_get_default_search', parent::get_default_search($defaults,$array), $array, $defaults);
- }
-
- //TODO Implement object and interators for handling groups of events.
- public function rewind(){
- reset($this->events);
- }
-
- public function current(){
- $var = current($this->events);
- return $var;
- }
-
- public function key(){
- $var = key($this->events);
- return $var;
- }
-
- public function next(){
- $var = next($this->events);
- return $var;
- }
-
- public function valid(){
- $key = key($this->events);
- $var = ($key !== NULL && $key !== FALSE);
- return $var;
- }
- }
- ?>