← All changes | syndicatedlink.class.php +169 -13 2009.0707 → 2010.0528 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	$stale = true;
		@@ -145,9 +148,21 @@
145	148
146	149	function poll ($crash_ts = NULL) {
147	150	global $wpdb;
148	151
149		- $this->magpie = fetch_rss($this->link->link_rss);
	152	+ $this->simplepie = apply_filters(
	153	+ 'syndicated_feed',
	154	+ FeedWordPress::fetch($this->link->link_rss),
	155	+ $this
	156	+ );
	157	+
	158	+ // Filter compatibility mode
	159	+ if (is_wp_error($this->simplepie)) :
	160	+ $this->magpie = $this->simplepie;
	161	+ else :
	162	+ $this->magpie = new MagpieFromSimplePie($this->simplepie);
	163	+ endif;
	164	+
150	165	$new_count = NULL;
151	166
152	167	$resume = FeedWordPress::affirmative($this->settings, 'update/unfinished');
153	168	if ($resume) :
		@@ -157,9 +172,11 @@
157	172	// begin at the beginning
158	173	$processed = array();
159	174	endif;
160	175
161		- if (is_object($this->magpie)) :
	176	+ if (is_wp_error($this->simplepie)) :
	177	+ $new_count = $this->simplepie;
	178	+ elseif (is_object($this->simplepie)) :
162	179	$new_count = array('new' => 0, 'updated' => 0);
163	180
164	181	# -- Update Link metadata live from feed
165	182	$channel = $this->magpie->channel;
		@@ -191,11 +208,23 @@
191	208	if (!is_null($ttl)) :
192	209	$this->settings['update/ttl'] = $ttl;
193	210	$this->settings['update/timed'] = 'feed';
194	211	else :
195		- $this->settings['update/ttl'] = rand(30, 120); // spread over time interval for staggered updates
	212	+ // spread out over a time interval for staggered updates
	213	+ $updateWindow = $this->setting(
	214	+ 'update/window',
	215	+ 'update_window',
	216	+ DEFAULT_UPDATE_PERIOD
	217	+ );
	218	+ if (!is_numeric($updateWindow) or ($updateWindow < 1)) :
	219	+ $updateWindow = DEFAULT_UPDATE_PERIOD;
	220	+ endif;
	221	+
	222	+ $fudgedInterval = $updateWindow+rand(0, 2*($updateWindow/3));
	223	+ $this->settings['update/ttl'] = apply_filters('syndicated_feed_automatic_ttl', $fudgedInterval, $this);
196	224	$this->settings['update/timed'] = 'automatically';
197	225	endif;
	226	+ $this->settings['update/ttl'] = apply_filters('syndicated_feed_ttl', $this->settings['update/ttl'], $this);
198	227
199	228	if (!isset($this->settings['update/hold']) or $this->settings['update/hold']!='ping') :
200	229	$this->settings['update/hold'] = 'scheduled';
201	230	endif;
		@@ -211,15 +240,26 @@
211	240	UPDATE $wpdb->links
212	241	SET $update_set
213	242	WHERE link_id='$this->id'
214	243	");
	244	+ do_action('update_syndicated_feed', $this->id, $this);
215	245
216	246	# -- Add new posts from feed and update any updated posts
217	247	$crashed = false;
218	248
219		- if (is_array($this->magpie->items)) :
220		- foreach ($this->magpie->items as $item) :
221		- $post =& new SyndicatedPost($item, $this);
	249	+ $posts = apply_filters(
	250	+ 'syndicated_feed_items',
	251	+ $this->magpie->originals,
	252	+ $this
	253	+ );
	254	+ if (is_array($posts)) :
	255	+ foreach ($posts as $key => $original) :
	256	+ $item = $this->magpie->items[$key];
	257	+ $post = new SyndicatedPost(array(
	258	+ 'simplepie' => $original,
	259	+ 'magpie' => $item,
	260	+ ), $this);
	261	+
222	262	if (!$resume or !in_array(trim($post->guid()), $processed)) :
223	263	$processed[] = $post->guid();
224	264	if (!$post->filtered()) :
225	265	$new = $post->store();
		@@ -230,11 +270,15 @@
230	270	$crashed = true;
231	271	break;
232	272	endif;
233	273	endif;
	274	+ unset($post);
234	275	endforeach;
235	276	endif;
236		-
	277	+ $suffix = ($crashed ? 'crashed' : 'completed');
	278	+ do_action('update_syndicated_feed_items', $this->id, $this);
	279	+ do_action("update_syndicated_feed_items_${suffix}", $this->id, $this);
	280	+
237	281	// Copy back any changes to feed settings made in the course of updating (e.g. new author rules)
238	282	$to_notes = $this->settings;
239	283
240	284	$this->settings['update/processed'] = $processed;
		@@ -249,13 +293,40 @@
249	293	UPDATE $wpdb->links
250	294	SET $update_set
251	295	WHERE link_id='$this->id'
252	296	");
	297	+
	298	+ do_action("update_syndicated_feed_completed", $this->id, $this);
253	299	endif;
254	300
255	301	return $new_count;
256	302	} /* SyndicatedLink::poll() */
257	303
	304	+ /**
	305	+ * Updates the URL for the feed syndicated by this link.
	306	+ *
	307	+ * @param string $url The new feed URL to use for this source.
	308	+ * @return bool TRUE on success, FALSE on failure.
	309	+ */
	310	+ function set_uri ($url) {
	311	+ global $wpdb;
	312	+
	313	+ if ($this->found()) :
	314	+ // Update link_rss
	315	+ $result = $wpdb->query("
	316	+ UPDATE $wpdb->links
	317	+ SET
	318	+ link_rss = '".$wpdb->escape($url)."'
	319	+ WHERE link_id = '".$wpdb->escape($this->id)."'
	320	+ ");
	321	+
	322	+ $ret = ($result ? true : false);
	323	+ else :
	324	+ $ret = false;
	325	+ endif;
	326	+ return $ret;
	327	+ } /* SyndicatedLink::set_uri () */
	328	+
258	329	function map_name_to_new_user ($name, $newuser_name) {
259	330	global $wpdb;
260	331
261	332	if (strlen($newuser_name) > 0) :
		@@ -323,16 +394,93 @@
323	394	endforeach;
324	395	return $notes;
325	396	} /* SyndicatedLink::settings_to_notes () */
326	397
	398	+ function save_settings ($reload = false) {
	399	+ global $wpdb;
	400	+
	401	+ // Save channel-level meta-data
	402	+ foreach (array('link_name', 'link_description', 'link_url') as $what) :
	403	+ $alter[] = "{$what} = '".$wpdb->escape($this->link->{$what})."'";
	404	+ endforeach;
	405	+
	406	+ // Save settings to the notes field
	407	+ $alter[] = "link_notes = '".$wpdb->escape($this->settings_to_notes())."'";
	408	+
	409	+ // Update the properties of the link from settings changes, etc.
	410	+ $update_set = implode(", ", $alter);
	411	+
	412	+ $result = $wpdb->query("
	413	+ UPDATE $wpdb->links
	414	+ SET $update_set
	415	+ WHERE link_id='$this->id'
	416	+ ");
	417	+
	418	+ if ($reload) :
	419	+ // force reload of link information from DB
	420	+ if (function_exists('clean_bookmark_cache')) :
	421	+ clean_bookmark_cache($this->id);
	422	+ endif;
	423	+ endif;
	424	+ } /* SyndicatedLink::save_settings () */
	425	+
	426	+ /**
	427	+ * Retrieves the value of a setting, allowing for a global setting to be
	428	+ * used as a fallback, or a constant value, or both.
	429	+ *
	430	+ * @param string $name The link setting key
	431	+ * @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.
	432	+ * @param mixed $fallback_value If the link setting and the global setting are nonexistent or marked as a use-default value, fall back to this constant value.
	433	+ * @return bool TRUE on success, FALSE on failure.
	434	+ */
	435	+ function setting ($name, $fallback_global = NULL, $fallback_value = NULL) {
	436	+ $ret = NULL;
	437	+ if (isset($this->settings[$name])) :
	438	+ $ret = $this->settings[$name];
	439	+ endif;
	440	+
	441	+ $no_value = (
	442	+ is_null($ret)
	443	+ or (is_string($ret) and strtolower($ret)=='default')
	444	+ );
	445	+
	446	+ if ($no_value and !is_null($fallback_global)) :
	447	+ $ret = get_option('feedwordpress_'.$fallback_global, /*default=*/ NULL);
	448	+ endif;
	449	+
	450	+ $no_value = (
	451	+ is_null($ret)
	452	+ or (is_string($ret) and strtolower($ret)=='default')
	453	+ );
	454	+
	455	+ if ($no_value and !is_null($fallback_value)) :
	456	+ $ret = $fallback_value;
	457	+ endif;
	458	+ return $ret;
	459	+ } /* SyndicatedLink::setting () */
	460	+
327	461	function uri () {
328	462	return (is_object($this->link) ? $this->link->link_rss : NULL);
329	463	} /* SyndicatedLink::uri () */
330	464
331		- function homepage () {
332		- return (isset($this->settings['feed/link']) ? $this->settings['feed/link'] : NULL);
	465	+ function homepage ($fromFeed = true) {
	466	+ if ($fromFeed) :
	467	+ $url = (isset($this->settings['feed/link']) ? $this->settings['feed/link'] : NULL);
	468	+ else :
	469	+ $url = $this->link->link_url;
	470	+ endif;
	471	+ return $url;
333	472	} /* SyndicatedLink::homepage () */
334	473
	474	+ function name ($fromFeed = true) {
	475	+ if ($fromFeed) :
	476	+ $name = (isset($this->settings['feed/title']) ? $this->settings['feed/title'] : NULL);
	477	+ else :
	478	+ $name = $this->link->link_name;
	479	+ endif;
	480	+ return $name;
	481	+ } /* SyndicatedLink::name () */
	482	+
335	483	function ttl () {
336	484	if (is_object($this->magpie)) :
337	485	$channel = $this->magpie->channel;
338	486	else :
		@@ -416,17 +564,25 @@
416	564	endif;
417	565	return $ret;
418	566	} /* SyndicatedLink::hardcode () */
419	567
420		- function syndicated_status ($what, $default) {
	568	+ function syndicated_status ($what, $default, $fallback = true) {
421	569	global $wpdb;
422	570
423		- $ret = get_option("feedwordpress_syndicated_{$what}_status");
	571	+ // Use local setting if we have it
424	572	if ( isset($this->settings["$what status"]) ) :
425	573	$ret = $this->settings["$what status"];
426		- elseif (!$ret) :
	574	+
	575	+ // Or fall back to global default if we can
	576	+ elseif ($fallback) :
	577	+ $ret = FeedWordPress::syndicated_status($what, $default);
	578	+
	579	+ // Or use default value if we can't.
	580	+ else :
427	581	$ret = $default;
	582	+
428	583	endif;
	584	+
429	585	return $wpdb->escape(trim(strtolower($ret)));
430	586	} /* SyndicatedLink:syndicated_status () */
431	587	} // class SyndicatedLink
432	588