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<title>[BuddyPress][11356] trunk: Discard activity filter values that are invalid for the current context.</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/11356">11356</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/11356","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>2016-12-29 19:38:58 +0000 (Thu, 29 Dec 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'>Discard activity filter values that are invalid for the current context.

Activity filters are stored in a cookie that persists across
activity pages. But some filter values are not valid in all contexts,
such as `new_member` (valid in the sitewide feed, but not in a group).
This changeset ensures that filter values sent via AJAX are discarded
if they aren't valid in the current context.

Props lakrisgubben.
Fixes <a href="http://buddypress.trac.wordpress.org/ticket/4062">#4062</a>.</pre>

<h3>Modified Paths</h3>
<ul>
<li><a href="#trunksrcbpactivitybpactivityfunctionsphp">trunk/src/bp-activity/bp-activity-functions.php</a></li>
<li><a href="#trunksrcbpactivitybpactivitytemplatephp">trunk/src/bp-activity/bp-activity-template.php</a></li>
<li><a href="#trunksrcbptemplatesbplegacybuddypressfunctionsphp">trunk/src/bp-templates/bp-legacy/buddypress-functions.php</a></li>
</ul>

<h3>Added Paths</h3>
<ul>
<li><a href="#trunktestsphpunittestcasesactivityfunctionsbpActivityGetActionsForContextphp">trunk/tests/phpunit/testcases/activity/functions/bpActivityGetActionsForContext.php</a></li>
</ul>

</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunksrcbpactivitybpactivityfunctionsphp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: trunk/src/bp-activity/bp-activity-functions.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/src/bp-activity/bp-activity-functions.php   2016-12-29 03:49:42 UTC (rev 11355)
+++ trunk/src/bp-activity/bp-activity-functions.php     2016-12-29 19:38:58 UTC (rev 11356)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -839,6 +839,63 @@
</span><span class="cx" style="display: block; padding: 0 10px">        return apply_filters( 'bp_activity_get_types', $actions );
</span><span class="cx" style="display: block; padding: 0 10px"> }
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+/**
+ * Gets the current activity context.
+ *
+ * The "context" is the current view type, corresponding roughly to the
+ * current component. Use this context to determine which activity actions
+ * should be whitelisted for the filter dropdown.
+ *
+ * @since 2.8.0
+ *
+ * @return string Activity context. 'member', 'member_groups', 'group', 'activity'.
+ */
+function bp_activity_get_current_context() {
+       // On member pages, default to 'member', unless this is a user's Groups activity.
+       if ( bp_is_user() ) {
+               if ( bp_is_active( 'groups' ) && bp_is_current_action( bp_get_groups_slug() ) ) {
+                       $context = 'member_groups';
+               } else {
+                       $context = 'member';
+               }
+
+       // On individual group pages, default to 'group'.
+       } elseif ( bp_is_active( 'groups' ) && bp_is_group() ) {
+               $context = 'group';
+
+       // 'activity' everywhere else.
+       } else {
+               $context = 'activity';
+       }
+
+       return $context;
+}
+
+/**
+ * Gets a flat list of activity actions compatible with a given context.
+ *
+ * @since 2.8.0
+ *
+ * @param string $context Optional. Name of the context. Defaults to the current context.
+ * @return array
+ */
+function bp_activity_get_actions_for_context( $context = '' ) {
+       if ( ! $context ) {
+               $context = bp_activity_get_current_context();
+       }
+
+       $actions = array();
+       foreach ( bp_activity_get_actions() as $component_actions ) {
+               foreach ( $component_actions as $component_action ) {
+                       if ( in_array( $context, (array) $component_action['context'], true ) ) {
+                               $actions[] = $component_action;
+                       }
+               }
+       }
+
+       return $actions;
+}
+
</ins><span class="cx" style="display: block; padding: 0 10px"> /** Favorites ****************************************************************/
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="cx" style="display: block; padding: 0 10px"> /**
</span></span></pre></div>
<a id="trunksrcbpactivitybpactivitytemplatephp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: trunk/src/bp-activity/bp-activity-template.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/src/bp-activity/bp-activity-template.php    2016-12-29 03:49:42 UTC (rev 11355)
+++ trunk/src/bp-activity/bp-activity-template.php      2016-12-29 19:38:58 UTC (rev 11356)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -3800,45 +3800,15 @@
</span><span class="cx" style="display: block; padding: 0 10px">         * @return string HTML for <option> values.
</span><span class="cx" style="display: block; padding: 0 10px">         */
</span><span class="cx" style="display: block; padding: 0 10px">        function bp_get_activity_show_filters( $context = '' ) {
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                // Set default context based on current page.
-               if ( empty( $context ) ) {
-
-                       // On member pages, default to 'member', unless this
-                       // is a user's Groups activity.
-                       if ( bp_is_user() ) {
-                               if ( bp_is_active( 'groups' ) && bp_is_current_action( bp_get_groups_slug() ) ) {
-                                       $context = 'member_groups';
-                               } else {
-                                       $context = 'member';
-                               }
-
-                       // On individual group pages, default to 'group'.
-                       } elseif ( bp_is_active( 'groups' ) && bp_is_group() ) {
-                               $context = 'group';
-
-                       // 'activity' everywhere else.
-                       } else {
-                               $context = 'activity';
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+         $filters = array();
+               $actions = bp_activity_get_actions_for_context( $context );
+               foreach ( $actions as $action ) {
+                       // Friends activity collapses two filters into one.
+                       if ( in_array( $action['key'], array( 'friendship_accepted', 'friendship_created' ) ) ) {
+                               $action['key'] = 'friendship_accepted,friendship_created';
</ins><span class="cx" style="display: block; padding: 0 10px">                         }
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                }
</del><span class="cx" style="display: block; padding: 0 10px"> 
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                $filters = array();
-
-               // Walk through the registered actions, and prepare an the
-               // select box options.
-               foreach ( bp_activity_get_actions() as $actions ) {
-                       foreach ( $actions as $action ) {
-                               if ( ! in_array( $context, (array) $action['context'] ) ) {
-                                       continue;
-                               }
-
-                               // Friends activity collapses two filters into one.
-                               if ( in_array( $action['key'], array( 'friendship_accepted', 'friendship_created' ) ) ) {
-                                       $action['key'] = 'friendship_accepted,friendship_created';
-                               }
-
-                               $filters[ $action['key'] ] = $action['label'];
-                       }
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                 $filters[ $action['key'] ] = $action['label'];
</ins><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">                /**
</span></span></pre></div>
<a id="trunksrcbptemplatesbplegacybuddypressfunctionsphp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: trunk/src/bp-templates/bp-legacy/buddypress-functions.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/src/bp-templates/bp-legacy/buddypress-functions.php 2016-12-29 03:49:42 UTC (rev 11355)
+++ trunk/src/bp-templates/bp-legacy/buddypress-functions.php   2016-12-29 19:38:58 UTC (rev 11356)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -687,8 +687,13 @@
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="cx" style="display: block; padding: 0 10px">        // Activity stream filtering on action.
</span><span class="cx" style="display: block; padding: 0 10px">        if ( ! empty( $_BP_COOKIE['bp-' . $object . '-filter'] ) && '-1' != $_BP_COOKIE['bp-' . $object . '-filter'] ) {
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                $qs[] = 'type='   . $_BP_COOKIE['bp-' . $object . '-filter'];
-               $qs[] = 'action=' . $_BP_COOKIE['bp-' . $object . '-filter'];
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+         $actions = bp_activity_get_actions_for_context();
+               foreach ( $actions as $action ) {
+                       if ( $action['key'] === $_BP_COOKIE['bp-' . $object . '-filter'] ) {
+                               $qs[] = 'type='   . $_BP_COOKIE['bp-' . $object . '-filter'];
+                               $qs[] = 'action=' . $_BP_COOKIE['bp-' . $object . '-filter'];
+                       }
+               }
</ins><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">        if ( ! empty( $_BP_COOKIE['bp-' . $object . '-scope'] ) ) {
</span></span></pre></div>
<a id="trunktestsphpunittestcasesactivityfunctionsbpActivityGetActionsForContextphp"></a>
<div class="addfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Added: trunk/tests/phpunit/testcases/activity/functions/bpActivityGetActionsForContext.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/tests/phpunit/testcases/activity/functions/bpActivityGetActionsForContext.php                               (rev 0)
+++ trunk/tests/phpunit/testcases/activity/functions/bpActivityGetActionsForContext.php 2016-12-29 19:38:58 UTC (rev 11356)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -0,0 +1,64 @@
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+<?php
+
+/**
+ * @group activity
+ */
+class BP_Tests_Activity_Functions_BpActivityGetActionsForContext extends BP_UnitTestCase {
+       public function setUp() {
+               parent::setUp();
+
+               $bp = buddypress();
+
+               $this->reset_actions = clone $bp->activity->actions;
+               $bp->activity->actions = new stdClass();
+
+               $this->reset_actions_sorted = ! empty( $bp->activity->actions_sorted );
+               unset( $bp->activity->actions_sorted );
+       }
+
+       public function tearDown() {
+               $bp = buddypress();
+
+               $bp->activity->actions = $this->reset_actions;
+
+               if ( $this->reset_actions_sorted ) {
+                       $bp->activity->actions_sorted = true;
+               } else {
+                       unset( $bp->activity->actions_sorted );
+               }
+
+               parent::tearDown();
+       }
+
+       public function test_should_include_actions_registered_for_context() {
+               bp_activity_set_action(
+                       'foo',
+                       'new_foo',
+                       'Did a foo',
+                       '',
+                       '',
+                       array( 'member' ),
+                       10
+               );
+
+               $actions = bp_activity_get_actions_for_context( 'member' );
+               $keys = wp_list_pluck( $actions, 'key' );
+               $this->assertContains( 'new_foo', $keys );
+       }
+
+       public function test_should_ignore_actions_not_registered_for_context() {
+               bp_activity_set_action(
+                       'foo',
+                       'new_foo',
+                       'Did a foo',
+                       '',
+                       '',
+                       array( 'member' ),
+                       10
+               );
+
+               $actions = bp_activity_get_actions_for_context( 'group' );
+               $keys = wp_list_pluck( $actions, 'key' );
+               $this->assertNotContains( 'new_foo', $keys );
+       }
+}
</ins></span></pre>
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