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<title>[BuddyPress][11074] trunk: Groups: Bust incrementor cache when modifying group taxonomy terms.</title>
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<dt style="float: left; width: 6em; font-weight: bold">Revision</dt> <dd><a style="font-weight: bold" href="http://buddypress.trac.wordpress.org/changeset/11074">11074</a><script type="application/ld+json">{"@context":"http://schema.org","@type":"EmailMessage","description":"Review this Commit","action":{"@type":"ViewAction","url":"http://buddypress.trac.wordpress.org/changeset/11074","name":"Review Commit"}}</script></dd>
<dt style="float: left; width: 6em; font-weight: bold">Author</dt> <dd>boonebgorges</dd>
<dt style="float: left; width: 6em; font-weight: bold">Date</dt> <dd>2016-09-09 15:54:32 +0000 (Fri, 09 Sep 2016)</dd>
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<pre style='padding-left: 1em; margin: 2em 0; border-left: 2px solid #ccc; line-height: 1.25; font-size: 105%; font-family: sans-serif'>Groups: Bust incrementor cache when modifying group taxonomy terms.
Group taxonomy terms, such as those belonging to `bp_group_type`, can
affect the results of `BP_Groups_Group::get()` queries. As such,
changing a group taxonomy term must invalidate the query cache.
WP's taxonomy API doesn't provide a direct method to determine whether
the object whose terms are being modified is a BuddyPress group. So
we infer the object type by looking at the object types that are
registered for the specified taxonomy; if `bp_group` is one of them, we
invalidate. This could result in cases where the cache is being purged
unnecessarily, but better safe than sorry.
See <a href="http://buddypress.trac.wordpress.org/ticket/5451">#5451</a>.</pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#trunksrcbpgroupsbpgroupscachephp">trunk/src/bp-groups/bp-groups-cache.php</a></li>
<li><a href="#trunktestsphpunittestcasesgroupsclassbpgroupsgroupphp">trunk/tests/phpunit/testcases/groups/class-bp-groups-group.php</a></li>
</ul>
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<h3>Diff</h3>
<a id="trunksrcbpgroupsbpgroupscachephp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: trunk/src/bp-groups/bp-groups-cache.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/src/bp-groups/bp-groups-cache.php 2016-09-09 15:54:27 UTC (rev 11073)
+++ trunk/src/bp-groups/bp-groups-cache.php 2016-09-09 15:54:32 UTC (rev 11074)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -275,6 +275,53 @@
</span><span class="cx" style="display: block; padding: 0 10px"> add_action( 'deleted_group_meta', 'bp_groups_reset_cache_incrementor' );
</span><span class="cx" style="display: block; padding: 0 10px"> add_action( 'added_group_meta', 'bp_groups_reset_cache_incrementor' );
</span><span class="cx" style="display: block; padding: 0 10px">
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+/**
+ * Reset cache incrementor for Groups component when a group's taxonomy terms change.
+ *
+ * We infer that a group is being affected by looking at the objects belonging
+ * to the taxonomy being affected.
+ *
+ * @since 2.7.0
+ *
+ * @param int $object_id ID of the item whose terms are being modified.
+ * @param array $terms Array of object terms.
+ * @param array $tt_ids Array of term taxonomy IDs.
+ * @param string $taxonomy Taxonomy slug.
+ * @return bool True on success, false on failure.
+ */
+function bp_groups_reset_cache_incrementor_on_group_term_change( $object_id, $terms, $tt_ids, $taxonomy ) {
+ $tax_object = get_taxonomy( $taxonomy );
+ if ( $tax_object && in_array( 'bp_group', $tax_object->object_type ) ) {
+ return bp_groups_reset_cache_incrementor();
+ }
+
+ return false;
+}
+add_action( 'bp_set_object_terms', 'bp_groups_reset_cache_incrementor_on_group_term_change', 10, 4 );
+
+/**
+ * Reset cache incrementor for Groups component when a group's taxonomy terms are removed.
+ *
+ * We infer that a group is being affected by looking at the objects belonging
+ * to the taxonomy being affected.
+ *
+ * @since 2.7.0
+ *
+ * @param int $object_id ID of the item whose terms are being modified.
+ * @param array $terms Array of object terms.
+ * @param string $taxonomy Taxonomy slug.
+ * @return bool True on success, false on failure.
+ */
+function bp_groups_reset_cache_incrementor_on_group_term_remove( $object_id, $terms, $taxonomy ) {
+ $tax_object = get_taxonomy( $taxonomy );
+ if ( $tax_object && in_array( 'bp_group', $tax_object->object_type ) ) {
+ return bp_groups_reset_cache_incrementor();
+ }
+
+ return false;
+}
+add_action( 'bp_remove_object_terms', 'bp_groups_reset_cache_incrementor_on_group_term_remove', 10, 3 );
+
</ins><span class="cx" style="display: block; padding: 0 10px"> /* List actions to clear super cached pages on, if super cache is installed */
</span><span class="cx" style="display: block; padding: 0 10px"> add_action( 'groups_join_group', 'bp_core_clear_cache' );
</span><span class="cx" style="display: block; padding: 0 10px"> add_action( 'groups_leave_group', 'bp_core_clear_cache' );
</span></span></pre></div>
<a id="trunktestsphpunittestcasesgroupsclassbpgroupsgroupphp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: trunk/tests/phpunit/testcases/groups/class-bp-groups-group.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/tests/phpunit/testcases/groups/class-bp-groups-group.php 2016-09-09 15:54:27 UTC (rev 11073)
+++ trunk/tests/phpunit/testcases/groups/class-bp-groups-group.php 2016-09-09 15:54:32 UTC (rev 11074)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -566,9 +566,70 @@
</span><span class="cx" style="display: block; padding: 0 10px">
</span><span class="cx" style="display: block; padding: 0 10px"> /**
</span><span class="cx" style="display: block; padding: 0 10px"> * @group cache
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ * @group group_types
</ins><span class="cx" style="display: block; padding: 0 10px"> * @ticket BP5451
</span><span class="cx" style="display: block; padding: 0 10px"> * @ticket BP6643
</span><span class="cx" style="display: block; padding: 0 10px"> */
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ public function test_get_query_caches_should_be_busted_by_group_term_change() {
+ global $wpdb;
+
+ bp_groups_register_group_type( 'foo' );
+ bp_groups_register_group_type( 'bar' );
+
+ $groups = $this->factory->group->create_many( 2 );
+ bp_groups_set_group_type( $groups[0], 'foo' );
+ bp_groups_set_group_type( $groups[1], 'bar' );
+
+ $found1 = BP_Groups_Group::get( array(
+ 'group_type' => 'foo',
+ ) );
+
+ $this->assertEqualSets( array( $groups[0] ), wp_list_pluck( $found1['groups'], 'id' ) );
+
+ bp_groups_set_group_type( $groups[1], 'foo' );
+
+ $found2 = BP_Groups_Group::get( array(
+ 'group_type' => 'foo',
+ ) );
+
+ $this->assertEqualSets( array( $groups[0], $groups[1] ), wp_list_pluck( $found2['groups'], 'id' ) );
+ }
+
+ /**
+ * @group cache
+ * @group group_types
+ * @ticket BP5451
+ * @ticket BP6643
+ */
+ public function test_get_query_caches_should_be_busted_by_group_term_removal() {
+ global $wpdb;
+
+ bp_groups_register_group_type( 'foo' );
+
+ $groups = $this->factory->group->create_many( 2 );
+ bp_groups_set_group_type( $groups[0], 'foo' );
+ bp_groups_set_group_type( $groups[1], 'foo' );
+
+ $found1 = BP_Groups_Group::get( array(
+ 'group_type' => 'foo',
+ ) );
+
+ $this->assertEqualSets( array( $groups[0], $groups[1] ), wp_list_pluck( $found1['groups'], 'id' ) );
+
+ bp_groups_remove_group_type( $groups[1], 'foo' );
+
+ $found2 = BP_Groups_Group::get( array(
+ 'group_type' => 'foo',
+ ) );
+
+ $this->assertEqualSets( array( $groups[0] ), wp_list_pluck( $found2['groups'], 'id' ) );
+ }
+
+ /**
+ * @group cache
+ * @ticket BP5451
+ * @ticket BP6643
+ */
</ins><span class="cx" style="display: block; padding: 0 10px"> public function test_get_query_caches_should_be_busted_by_group_save() {
</span><span class="cx" style="display: block; padding: 0 10px"> global $wpdb;
</span><span class="cx" style="display: block; padding: 0 10px">
</span></span></pre>
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