Wordpress subscribe2 plugin digest template patch

class-s2-core.php.patch

Index: classes/class-s2-core.php
===================================================================
--- classes/class-s2-core.php	(revision 979098)
+++ classes/class-s2-core.php	(working copy)
@@ -1365,7 +1365,8 @@
 			}
 		} else {
 			// we are sending a preview
-			$posts = get_posts('numberposts=1');
+			$posts = get_posts('numberposts=3');
+			$posts = apply_filters('s2_cron_preview_posts', $posts, $this);
 		}
 
 		// Collect sticky posts if desired
@@ -1511,6 +1512,7 @@
 		}
 
 		// update post_meta data for sent ids but not sticky posts
+		$ids = apply_filters('s2_update_post_status', $ids);
 		foreach ( $ids as $id ) {
 			if ( !empty($sticky_ids) && !in_array($id, $sticky_ids) ) {
 				update_post_meta($id, '_s2_digest_post_status', 'done');
@@ -1518,7 +1520,8 @@
 				update_post_meta($id, '_s2_digest_post_status', 'done');
 			}
 		}
-		$this->subscribe2_options['last_s2cron'] = implode(',', $digest_post_ids);
+		$last_s2cron_digest_post_ids = apply_filters('last_s2cron_digest_post_ids', $digest_post_ids, $this->subscribe2_options['last_s2cron']);
+		$this->subscribe2_options['last_s2cron'] = (is_array($last_s2cron_digest_post_ids)) ? implode(',', $last_s2cron_digest_post_ids) : $last_s2cron_digest_post_ids;
 		update_option('subscribe2_options', $this->subscribe2_options);
 
 		// we add a blank line after each post excerpt now trim white space that occurs for the last post
@@ -1564,16 +1567,17 @@
 		$mailtext = stripslashes($this->substitute($mailtext));
 
 		// prepare recipients
+		$mailtype = apply_filters('s2_digest_mailtype', 'text');
 		if ( $preview != '' ) {
 			$this->myemail = $preview;
 			$this->myname = __('Digest Preview', 'subscribe2');
-			$this->mail(array($preview), $subject, $mailtext);
+			$this->mail(array($preview), $subject, $mailtext, $mailtype);
 		} else {
 			$public = $this->get_public();
 			$all_post_cats_string = implode(',', $all_post_cats);
 			$registered = $this->get_registered("cats=$all_post_cats_string");
 			$recipients = array_merge((array)$public, (array)$registered);
-			$this->mail($recipients, $subject, $mailtext);
+			$this->mail($recipients, $subject, $mailtext, $mailtype);
 		}
 	} // end subscribe2_cron()