← All changes | syndicatedlink.class.php +95 -17 2009.1111 → 2010.0602 View file →

		@@ -32,12 +32,15 @@
32	32	#
33	33	# Values of keys in link_notes are accessible from templates using
34	34	# the function `get_feed_meta($key)` if this plugin is activated.
35	35
	36	+require_once(dirname(__FILE__).'/magpiefromsimplepie.class.php');
	37	+
36	38	class SyndicatedLink {
37	39	var $id = null;
38	40	var $link = null;
39	41	var $settings = array ();
	42	+ var $simplepie = null;
40	43	var $magpie = null;
41	44
42	45	function SyndicatedLink ($link) {
43	46	global $wpdb;
		@@ -123,9 +126,9 @@
123	126	endif;
124	127	} /* SyndicatedLink::SyndicatedLink () */
125	128
126	129	function found () {
127		- return is_object($this->link);
	130	+ return is_object($this->link) and !is_wp_error($this->link);
128	131	} /* SyndicatedLink::found () */
129	132
130	133	function stale () {
131	134	$stale = true;
		@@ -145,9 +148,23 @@
145	148
146	149	function poll ($crash_ts = NULL) {
147	150	global $wpdb;
148	151
149		- $this->magpie = fetch_rss($this->link->link_rss);
	152	+ FeedWordPress::diagnostic('updated_feeds', 'Polling feed <'.$this->link->link_rss.'>');
	153	+
	154	+ $this->simplepie = apply_filters(
	155	+ 'syndicated_feed',
	156	+ FeedWordPress::fetch($this->link->link_rss),
	157	+ $this
	158	+ );
	159	+
	160	+ // Filter compatibility mode
	161	+ if (is_wp_error($this->simplepie)) :
	162	+ $this->magpie = $this->simplepie;
	163	+ else :
	164	+ $this->magpie = new MagpieFromSimplePie($this->simplepie);
	165	+ endif;
	166	+
150	167	$new_count = NULL;
151	168
152	169	$resume = FeedWordPress::affirmative($this->settings, 'update/unfinished');
153	170	if ($resume) :
		@@ -157,9 +174,11 @@
157	174	// begin at the beginning
158	175	$processed = array();
159	176	endif;
160	177
161		- if (is_object($this->magpie)) :
	178	+ if (is_wp_error($this->simplepie)) :
	179	+ $new_count = $this->simplepie;
	180	+ elseif (is_object($this->simplepie)) :
162	181	$new_count = array('new' => 0, 'updated' => 0);
163	182
164	183	# -- Update Link metadata live from feed
165	184	$channel = $this->magpie->channel;
		@@ -192,14 +211,13 @@
192	211	$this->settings['update/ttl'] = $ttl;
193	212	$this->settings['update/timed'] = 'feed';
194	213	else :
195	214	// spread out over a time interval for staggered updates
196		- if (isset($this->settings['update/window'])) :
197		- $updateWindow = $this->settings['update/window'];
198		- else :
199		- $updateWindow = get_option('feedwordpress_update_window');
200		- endif;
201		-
	215	+ $updateWindow = $this->setting(
	216	+ 'update/window',
	217	+ 'update_window',
	218	+ DEFAULT_UPDATE_PERIOD
	219	+ );
202	220	if (!is_numeric($updateWindow) or ($updateWindow < 1)) :
203	221	$updateWindow = DEFAULT_UPDATE_PERIOD;
204	222	endif;
205	223
		@@ -224,15 +242,26 @@
224	242	UPDATE $wpdb->links
225	243	SET $update_set
226	244	WHERE link_id='$this->id'
227	245	");
	246	+ do_action('update_syndicated_feed', $this->id, $this);
228	247
229	248	# -- Add new posts from feed and update any updated posts
230	249	$crashed = false;
231	250
232		- if (is_array($this->magpie->items)) :
233		- foreach ($this->magpie->items as $item) :
234		- $post =& new SyndicatedPost($item, $this);
	251	+ $posts = apply_filters(
	252	+ 'syndicated_feed_items',
	253	+ $this->magpie->originals,
	254	+ $this
	255	+ );
	256	+ if (is_array($posts)) :
	257	+ foreach ($posts as $key => $original) :
	258	+ $item = $this->magpie->items[$key];
	259	+ $post = new SyndicatedPost(array(
	260	+ 'simplepie' => $original,
	261	+ 'magpie' => $item,
	262	+ ), $this);
	263	+
235	264	if (!$resume or !in_array(trim($post->guid()), $processed)) :
236	265	$processed[] = $post->guid();
237	266	if (!$post->filtered()) :
238	267	$new = $post->store();
		@@ -243,11 +272,15 @@
243	272	$crashed = true;
244	273	break;
245	274	endif;
246	275	endif;
	276	+ unset($post);
247	277	endforeach;
248	278	endif;
249		-
	279	+ $suffix = ($crashed ? 'crashed' : 'completed');
	280	+ do_action('update_syndicated_feed_items', $this->id, $this);
	281	+ do_action("update_syndicated_feed_items_${suffix}", $this->id, $this);
	282	+
250	283	// Copy back any changes to feed settings made in the course of updating (e.g. new author rules)
251	284	$to_notes = $this->settings;
252	285
253	286	$this->settings['update/processed'] = $processed;
		@@ -262,8 +295,10 @@
262	295	UPDATE $wpdb->links
263	296	SET $update_set
264	297	WHERE link_id='$this->id'
265	298	");
	299	+
	300	+ do_action("update_syndicated_feed_completed", $this->id, $this);
266	301	endif;
267	302
268	303	return $new_count;
269	304	} /* SyndicatedLink::poll() */
		@@ -364,11 +399,19 @@
364	399
365	400	function save_settings ($reload = false) {
366	401	global $wpdb;
367	402
368		- $update_set = "link_notes = '".$wpdb->escape($this->settings_to_notes())."'";
369		-
370		- // Update the properties of the link from the feed information
	403	+ // Save channel-level meta-data
	404	+ foreach (array('link_name', 'link_description', 'link_url') as $what) :
	405	+ $alter[] = "{$what} = '".$wpdb->escape($this->link->{$what})."'";
	406	+ endforeach;
	407	+
	408	+ // Save settings to the notes field
	409	+ $alter[] = "link_notes = '".$wpdb->escape($this->settings_to_notes())."'";
	410	+
	411	+ // Update the properties of the link from settings changes, etc.
	412	+ $update_set = implode(", ", $alter);
	413	+
371	414	$result = $wpdb->query("
372	415	UPDATE $wpdb->links
373	416	SET $update_set
374	417	WHERE link_id='$this->id'
		@@ -374,14 +417,49 @@
374	417	WHERE link_id='$this->id'
375	418	");
376	419
377	420	if ($reload) :
378		- // reload link information from DB
	421	+ // force reload of link information from DB
379	422	if (function_exists('clean_bookmark_cache')) :
380	423	clean_bookmark_cache($this->id);
381	424	endif;
382	425	endif;
383	426	} /* SyndicatedLink::save_settings () */
	427	+
	428	+ /**
	429	+ * Retrieves the value of a setting, allowing for a global setting to be
	430	+ * used as a fallback, or a constant value, or both.
	431	+ *
	432	+ * @param string $name The link setting key
	433	+ * @param mixed $fallback_global If the link setting is nonexistent or marked as a use-default value, fall back to the value of this global setting.
	434	+ * @param mixed $fallback_value If the link setting and the global setting are nonexistent or marked as a use-default value, fall back to this constant value.
	435	+ * @return bool TRUE on success, FALSE on failure.
	436	+ */
	437	+ function setting ($name, $fallback_global = NULL, $fallback_value = NULL) {
	438	+ $ret = NULL;
	439	+ if (isset($this->settings[$name])) :
	440	+ $ret = $this->settings[$name];
	441	+ endif;
	442	+
	443	+ $no_value = (
	444	+ is_null($ret)
	445	+ or (is_string($ret) and strtolower($ret)=='default')
	446	+ );
	447	+
	448	+ if ($no_value and !is_null($fallback_global)) :
	449	+ $ret = get_option('feedwordpress_'.$fallback_global, /*default=*/ NULL);
	450	+ endif;
	451	+
	452	+ $no_value = (
	453	+ is_null($ret)
	454	+ or (is_string($ret) and strtolower($ret)=='default')
	455	+ );
	456	+
	457	+ if ($no_value and !is_null($fallback_value)) :
	458	+ $ret = $fallback_value;
	459	+ endif;
	460	+ return $ret;
	461	+ } /* SyndicatedLink::setting () */
384	462
385	463	function uri () {
386	464	return (is_object($this->link) ? $this->link->link_rss : NULL);
387	465	} /* SyndicatedLink::uri () */