Gist for Stephanie

Events Feed

<?php
add_action('admin_init','my_postdatemeta_init');
add_action('save_post', 'env_save_post_date_meta', 1, 2); // save the custom fields

/*** Add Post Date Metabox */
function my_postdatemeta_init()
{	
	// Paul: The metaboarcx are really just display for the admin to check the date. Should not be seen for regular users. 
	if (get_current_user_id() == 1) { // Change the '1' to some other userID
		// Paul: changed so all post_types use the same metabox. Don't need one just for Events. 
		add_meta_box('env_post_date_meta', 'Admin Meta', 'env_post_date_meta', 'post', 'normal', 'low');
		add_meta_box('env_post_date_meta', 'Admin Meta', 'env_post_date_meta', 'news', 'normal', 'low');
		add_meta_box('env_event_date_meta', 'Admin Meta', 'env_post_date_meta', 'ai1ec_event', 'normal', 'low');
	}
}

/*** The Post Date Metabox */
function env_post_date_meta() {
    global $post;
 
    /* Noncename needed to verify where the data originated */
    echo '<input type="hidden" name="envmeta_noncename" id="envmeta_noncename" value="' .
    wp_create_nonce( plugin_basename(__FILE__) ) . '" />';
 
    /* Get the location data if its already been entered */
    $env_post_date_meta = get_post_meta($post->ID, '_post_date_meta', true);
	if (!$env_post_date_meta) {
		$env_post_date_meta = '';
	}
 
    /* Echo out the field */
    echo '<p>For admin purposes. <strong>DO NOT USE</strong></p>';
    echo '<input disabled="disabled" type="text" name="_post_date_meta" value="' . $env_post_date_meta  . '" class="widefat" />';

	// as a coutesy we display the formmated date below the input field
	if (intval($env_post_date_meta)) {
		$format = get_option('date_format') .' '. get_option('time_format');
		$display_date = gmdate($format, $env_post_date_meta);
		echo '<p class="description">'. $display_date .'</p>';
	}
}

/*** Save the Metabox Data */ 
function env_save_post_date_meta($post_id, $post) {
 
	if (!$post_id)
		return;
		
	if ( defined( 'DOING_AUTOSAVE' ) && DOING_AUTOSAVE ) 
		return;

	if ( wp_is_post_revision( $post_id ) ) 
		return;

    /* Is the user allowed to edit the post or page? */
    if ( !current_user_can( 'edit_post', $post_id ))
        return;

	// If the user has not POSTed the form yet then ignore for now. 
	if (!isset($_POST['post_type']))
		return;

	// IF the post_type is an event (ai1ec_event) we gather the event date...
	if (esc_attr($_POST['post_type']) == 'ai1ec_event') {
		if (isset($_POST['ai1ec_start_time'])) {
			
			// The 'ai1ec_start_time' field is a UNIX timestamp. This is most accurate. So store as is. 
			update_post_meta($post->ID, '_post_date_meta', intval($_POST['ai1ec_start_time']));		    
		}
	} else if ((esc_attr($_POST['post_type']) == 'post') || (esc_attr($_POST['post_type']) == 'news')) {
		// ..for other post_types we simply use the publish date.
		// For other post_types we use the $post->post_date field but convert it to a UNIX timestamp
		if (isset($post->post_date)) {
			$post_date = strtotime($post->post_date);
			update_post_meta($post->ID, '_post_date_meta', $post_date);		    			
		}
	}
}

/*** Function for displaying featured posts from multiple custom types in a short feed, no pagination */
function env_display_feed_from_types($the_type, $the_order, $the_number = 3, $orderby = 'date', $status = 'publish')
{	
	$args = array(
		'post_type' => ($the_type),
		'posts_per_page' => $the_number,
		'order' => $the_order, 
		'post_status' => ($status),
		'meta_query' => array( 
			array(
				'key' => '_home_feat', 
				'value' => 'on'
			),
			array(
				'key' => '_post_date_meta'
			) 
		),
		'meta_key' => '_post_date_meta',
		'orderby' => 'meta_value_num'
	);
	$my_posts = new WP_Query( $args );
	
	
	if( $my_posts->have_posts() ):
	echo '<ul class="short_feed">';
	while ( $my_posts->have_posts() ) : $my_posts->the_post();
			global $post;
			if (get_post_type($post->ID) == "ai1ec_event") { $ptype = "event"; $event = Ai1ec_Events_Helper::get_event($post->ID); } else if (get_post_type($post->ID) == "news") { $ptype = "news"; } else { $ptype = "blog"; } ?>
			<li class="post_items clear">
				<img src="<?php bloginfo('stylesheet_directory'); ?>/images/feat_<?php echo $ptype; ?>.jpg" alt="<?php echo $ptype; ?>" /> 
				<div class="p_data">
					<a href="<?php the_permalink() ?>" class="p_title"><span><?php the_title(); ?>  |</span>  <?php if ($ptype == "event") { echo $event->long_start_date; } else { the_time('m.d.y'); } ?></a>
					<?php the_excerpt(); ?>
				</div> 
			</li><!--post_items-->
		<?php endwhile; ?>
	</ul>
	<?php endif; wp_reset_postdata(); 
}