Add iCal feeds to calendars close #62

feeds/ical.php

@@ -0,0 +1,105 @@
+<?php
+/**
+ * iCal Feed
+ *
+ * @author 		ThemeBoy
+ * @category 	Feeds
+ * @package 	SportsPress/Feeds
+ * @version     1.4
+ */
+
+if ( ! defined( 'ABSPATH' ) ) exit; // Exit if accessed directly
+
+if ( 'sp_calendar' !== get_post_type( $post ) ) {
+	wp_die( __( 'ERROR: This is not a valid feed template.', 'sportspress' ), '', array( 'response' => 404 ) );
+}
+
+// Get events in calendar
+$calendar = new SP_Calendar( $post );
+$events = $calendar->data();
+
+// Get blog locale
+$locale = substr( get_locale(), 0, 2 );
+
+// Initialize output. Max line length is 75 chars.
+$output =
+"BEGIN:VCALENDAR\n" .
+"METHOD:PUBLISH\n" .
+"VERSION:2.0\n" .
+"URL:" . add_query_arg( 'feed', 'sp-calendar-ical', get_post_permalink( $post ) ) . "\n" .
+"NAME:" . $post->post_title . "\n" .
+"X-WR-CALNAME:" . $post->post_title . "\n" .
+"DESCRIPTION:" . $post->post_title . "\n" .
+"DESCRIPTION:" . $post->post_title . "\n" .
+"X-WR-CALDESC:" . $post->post_title . "\n" .
+"REFRESH-INTERVAL;VALUE=DURATION:PT1H\n" .
+"X-PUBLISHED-TTL:PT1H\n" .
+"PRODID:-//ThemeBoy//SportsPress//" . strtoupper( $locale ) . "\n";
+
+// Loop through each event
+foreach ( $events as $event):
+
+	// Define date format
+	$date_format = 'Ymd\THis\Z';
+
+	// Initialize end time	
+	$end = new DateTime( $event->post_date_gmt );
+
+	// Get full time minutes
+	$minutes = get_post_meta( $event->post_id, 'sp_minutes', true );
+	if ( false === $minutes ) $minutes = get_option( 'sportspress_event_minutes', 90 );
+
+	// Add full time minutes to end time
+	$end->add( new DateInterval( 'PT' . $minutes . 'M' ) );
+
+	// Initialize location
+	$location = '';
+
+	// Get venue information
+	$venues = get_the_terms( $event->ID, 'sp_venue' );
+	if ( $venues ) {
+		$venue = reset( $venues );
+		$location .= $venue->name;
+
+		// Get venue term meta
+		$t_id = $venue->term_id;
+		$meta = get_option( "taxonomy_$t_id" );
+
+		// Add details to location
+		$address = sp_array_value( $meta, 'sp_address', false );
+		if ( false !== $address ) {
+			$location = $address;
+		}
+
+		// Generate geo tag
+		$latitude = sp_array_value( $meta, 'sp_latitude', false );
+		$longitude = sp_array_value( $meta, 'sp_longitude', false );
+		if ( false !== $latitude && false !== $longitude ) {
+			$geo = $latitude . ';' . $longitude;
+		} else {
+			$geo = false;
+		}
+	}
+
+	// Append to output string
+	$output .=
+	"BEGIN:VEVENT\n" .
+	"SUMMARY:$event->post_title\n" .
+	"UID:$event->ID\n" .
+	"STATUS:CONFIRMED\n" .
+	"DTSTART:" . mysql2date( $date_format, $event->post_date_gmt ) . "\n" .
+	"DTEND:" . $end->format( $date_format ) . "\n" .
+	"LAST-MODIFIED:" . mysql2date( $date_format, $event->post_modified_gmt ) . "\n" .
+	"LOCATION:" . $location . "\n";
+
+	if ( false !== $geo ) {
+		$output .= "GEO:" . $geo . "\n";
+	}
+
+	$output .= "END:VEVENT\n";
+endforeach;
+
+// End output
+$output .= "END:VCALENDAR";
+
+echo $output;

includes/admin/post-types/class-sp-admin-meta-boxes.php

@@ -131,6 +131,9 @@ class SP_Admin_Meta_Boxes {
 
 		// Calendars
 		add_meta_box( 'sp_shortcodediv', __( 'Shortcode', 'sportspress' ), 'SP_Meta_Box_Calendar_Shortcode::output', 'sp_calendar', 'side', 'default' );
+		if ( isset( $post ) && 'publish' == $post->post_status ):
+			add_meta_box( 'sp_feedsdiv', __( 'Feeds', 'sportspress' ), 'SP_Meta_Box_Calendar_Feeds::output', 'sp_calendar', 'side', 'default' );
+		endif;
 		add_meta_box( 'sp_formatdiv', __( 'Layout', 'sportspress' ), 'SP_Meta_Box_Calendar_Format::output', 'sp_calendar', 'side', 'default' );
 		add_meta_box( 'sp_detailsdiv', __( 'Details', 'sportspress' ), 'SP_Meta_Box_Calendar_Details::output', 'sp_calendar', 'side', 'default' );
 		add_meta_box( 'sp_datadiv', __( 'Events', 'sportspress' ), 'SP_Meta_Box_Calendar_Data::output', 'sp_calendar', 'normal', 'high' );

includes/admin/post-types/meta-boxes/class-sp-meta-box-calendar-feeds.php

@@ -0,0 +1,41 @@
+<?php
+/**
+ * Calendar Feeds
+ *
+ * Based on a tutorial by Steve Thomas.
+ *
+ * @author 		ThemeBoy
+ * @category 	Admin
+ * @package 	SportsPress/Admin/Meta_Boxes
+ * @version     1.4
+ */
+
+if ( ! defined( 'ABSPATH' ) ) exit; // Exit if accessed directly
+
+/**
+ * SP_Meta_Box_Calendar_Feeds
+ */
+class SP_Meta_Box_Calendar_Feeds {
+
+	/**
+	 * Output the metabox
+	 */
+	public static function output( $post ) {
+		$feeds = new SP_Feeds();
+		$calendar_feeds = $feeds->calendar;
+		?>
+		<div>
+			<?php foreach ( $calendar_feeds as $slug => $name ) { ?>
+				<?php $link = add_query_arg( 'feed', 'sp-calendar-' . $slug, get_post_permalink( $post ) ); ?>
+				<p>
+					<strong><?php echo $name; ?></strong>
+					<a class="sp-link" href="<?php echo $link; ?>" target="_blank" title="<?php _e( 'Link', 'sportspress' ); ?>"></a>
+				</p>
+				<p>
+					<input type="text" value="<?php echo $link; ?>" readonly="readonly" class="code widefat">
+				</p>
+			<?php } ?>
+		</div>
+		<?php
+	}
+}

includes/class-sp-feeds.php

@@ -0,0 +1,52 @@
+<?php
+/**
+ * SportsPress Feeds Class
+ *
+ * @class 		SP_Feeds
+ * @version		1.4
+ * @package		SportsPress/Classes
+ * @category	Class
+ * @author 		ThemeBoy
+ */
+class SP_Feeds {
+
+	/** @var array Array of feeds */
+	private $data;
+
+	/**
+	 * Constructor for the feeds class - defines all preset feeds.
+	 *
+	 * @access public
+	 * @return void
+	 */
+	public function __construct() {
+		$data = array(
+			'calendar' => array(
+				'ical' => __( 'iCal', 'sportspress' ),
+			),
+		);
+
+		$this->data = apply_filters( 'sportspress_feeds', $data );
+
+		foreach ( $data as $type => $feeds ) {
+			foreach ( $feeds as $slug => $name ) {
+				$this->feed = $slug;
+				add_feed( 'sp-' . $type . '-' . $slug, array( $this, 'load_' . $type . '_' . $slug . '_feed' ) );
+			}
+		}
+	}
+
+	public function __get( $key ) {
+		return ( array_key_exists( $key, $this->data ) ? $this->data[ $key ] : null );
+	}
+
+	public function __set( $key, $value ){
+		$this->data[ $key ] = $value;
+	}
+
+	public static function load_calendar_ical_feed() {
+	    $feed_template = SP()->plugin_path() . '/feeds/ical.php';
+	    load_template( $feed_template );
+	}
+}
+

sportspress.php

@@ -214,6 +214,7 @@ final class SportsPress {
 		// Classes (used on all pages)
 		include_once( 'includes/class-sp-countries.php' );						// Defines continents and countries
 		include_once( 'includes/class-sp-formats.php' );						// Defines custom post type formats
+		include_once( 'includes/class-sp-feeds.php' );							// Adds feeds
 		
 		// Include template functions making them pluggable by plugins and themes.
 		include_once( 'includes/sp-template-functions.php' );
@@ -269,6 +270,7 @@ final class SportsPress {
 		// Load class instances
 		$this->countries = new SP_Countries();	// Countries class
 		$this->formats = new SP_Formats();		// Formats class
+		$this->feeds = new SP_Feeds(); 			// Feeds class
 
 		// Load string options
 		$this->text = get_option( 'sportspress_text', array() );
@@ -297,7 +299,7 @@ final class SportsPress {
 		add_theme_support( 'post-thumbnails' );
 
 		// Add image sizes
-		add_image_size( 'sportspress-fit-thumbnail',  320, 320, false );
+		add_image_size( 'sportspress-fit-medium',  300, 300, false );
 		add_image_size( 'sportspress-fit-icon',  128, 128, false );
 		add_image_size( 'sportspress-fit-mini',  32, 32, false );
 	}