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<title>[BuddyPress][11762] trunk: Groups: add 'fields' parameter to `BP_Groups_Group::get()`.</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/11762">11762</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/11762","name":"Review Commit"}}</script></dd>
<dt style="float: left; width: 6em; font-weight: bold">Author</dt> <dd>djpaul</dd>
<dt style="float: left; width: 6em; font-weight: bold">Date</dt> <dd>2017-12-06 16:18:11 +0000 (Wed, 06 Dec 2017)</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: add 'fields' parameter to `BP_Groups_Group::get()`.

Allows return of only group IDs instead of entire objects when `fields=ids` is set, similiar to the `fields` parameter in `WP_Query`.

Fixes <a href="http://buddypress.trac.wordpress.org/ticket/7609">#7609</a>

Props dcavins</pre>

<h3>Modified Paths</h3>
<ul>
<li><a href="#trunksrcbpgroupsbpgroupsfunctionsphp">trunk/src/bp-groups/bp-groups-functions.php</a></li>
<li><a href="#trunksrcbpgroupsclassesclassbpgroupsgroupphp">trunk/src/bp-groups/classes/class-bp-groups-group.php</a></li>
<li><a href="#trunktestsphpunittestcasesgroupsclassbpgroupsgroupphp">trunk/tests/phpunit/testcases/groups/class-bp-groups-group.php</a></li>
</ul>

</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunksrcbpgroupsbpgroupsfunctionsphp"></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-functions.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/src/bp-groups/bp-groups-functions.php       2017-12-06 15:46:07 UTC (rev 11761)
+++ trunk/src/bp-groups/bp-groups-functions.php 2017-12-06 16:18:11 UTC (rev 11762)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -796,6 +796,7 @@
</span><span class="cx" style="display: block; padding: 0 10px">                'page'               => 1,              // The page to return if limiting per page.
</span><span class="cx" style="display: block; padding: 0 10px">                'update_meta_cache'  => true,           // Pre-fetch groupmeta for queried groups.
</span><span class="cx" style="display: block; padding: 0 10px">                'update_admin_cache' => false,
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                'fields'             => 'all',          // Return BP_Groups_Group objects or a list of ids.
</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">        $r = bp_parse_args( $args, $defaults, 'groups_get_groups' );
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -821,6 +822,7 @@
</span><span class="cx" style="display: block; padding: 0 10px">                'update_admin_cache' => $r['update_admin_cache'],
</span><span class="cx" style="display: block; padding: 0 10px">                'order'              => $r['order'],
</span><span class="cx" style="display: block; padding: 0 10px">                'orderby'            => $r['orderby'],
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                'fields'             => $r['fields'],
</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="trunksrcbpgroupsclassesclassbpgroupsgroupphp"></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/classes/class-bp-groups-group.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/src/bp-groups/classes/class-bp-groups-group.php     2017-12-06 15:46:07 UTC (rev 11761)
+++ trunk/src/bp-groups/classes/class-bp-groups-group.php       2017-12-06 16:18:11 UTC (rev 11762)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -1025,10 +1025,13 @@
</span><span class="cx" style="display: block; padding: 0 10px">         *     @type array|string $status             Optional. Array or comma-separated list of group statuses to limit
</span><span class="cx" style="display: block; padding: 0 10px">         *                                            results to. If specified, $show_hidden is ignored.
</span><span class="cx" style="display: block; padding: 0 10px">         *                                            Default: empty array.
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+         *     @type string       $fields             Which fields to return. Specify 'ids' to fetch a list of IDs.
+        *                                            Default: 'all' (return BP_Groups_Group objects).
+        *                                            If set, meta and admin caches will not be prefetched.
</ins><span class="cx" style="display: block; padding: 0 10px">          * }
</span><span class="cx" style="display: block; padding: 0 10px">         * @return array {
</span><span class="cx" style="display: block; padding: 0 10px">         *     @type array $groups Array of group objects returned by the
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-         *                         paginated query.
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+  *                         paginated query. (IDs only if `fields` is set to `ids`.)
</ins><span class="cx" style="display: block; padding: 0 10px">          *     @type int   $total  Total count of all groups matching non-
</span><span class="cx" style="display: block; padding: 0 10px">         *                         paginated query params.
</span><span class="cx" style="display: block; padding: 0 10px">         * }
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -1075,7 +1078,8 @@
</span><span class="cx" style="display: block; padding: 0 10px">                        'update_admin_cache' => false,
</span><span class="cx" style="display: block; padding: 0 10px">                        'exclude'            => false,
</span><span class="cx" style="display: block; padding: 0 10px">                        'show_hidden'        => false,
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                        'status'             => array()
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                 'status'             => array(),
+                       'fields'             => 'all',
</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">                $r = wp_parse_args( $args, $defaults );
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -1299,20 +1303,54 @@
</span><span class="cx" style="display: block; padding: 0 10px">                        $paged_group_ids = $cached;
</span><span class="cx" style="display: block; padding: 0 10px">                }
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                $uncached_group_ids = bp_get_non_cached_ids( $paged_group_ids, 'bp_groups' );
-               if ( $uncached_group_ids ) {
-                       $group_ids_sql = implode( ',', array_map( 'intval', $uncached_group_ids ) );
-                       $group_data_objects = $wpdb->get_results( "SELECT g.* FROM {$bp->groups->table_name} g WHERE g.id IN ({$group_ids_sql})" );
-                       foreach ( $group_data_objects as $group_data_object ) {
-                               wp_cache_set( $group_data_object->id, $group_data_object, 'bp_groups' );
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+         if ( 'ids' === $r['fields'] ) {
+                       // We only want the IDs.
+                       $paged_groups = array_map( 'intval', $paged_group_ids );
+               } else {
+                       $uncached_group_ids = bp_get_non_cached_ids( $paged_group_ids, 'bp_groups' );
+                       if ( $uncached_group_ids ) {
+                               $group_ids_sql = implode( ',', array_map( 'intval', $uncached_group_ids ) );
+                               $group_data_objects = $wpdb->get_results( "SELECT g.* FROM {$bp->groups->table_name} g WHERE g.id IN ({$group_ids_sql})" );
+                               foreach ( $group_data_objects as $group_data_object ) {
+                                       wp_cache_set( $group_data_object->id, $group_data_object, 'bp_groups' );
+                               }
</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">-                $paged_groups = array();
-               foreach ( $paged_group_ids as $paged_group_id ) {
-                       $paged_groups[] = new BP_Groups_Group( $paged_group_id );
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                 $paged_groups = array();
+                       foreach ( $paged_group_ids as $paged_group_id ) {
+                               $paged_groups[] = new BP_Groups_Group( $paged_group_id );
+                       }
+
+                       $group_ids = array();
+                       foreach ( (array) $paged_groups as $group ) {
+                               $group_ids[] = $group->id;
+                       }
+
+                       // Grab all groupmeta.
+                       if ( ! empty( $r['update_meta_cache'] ) ) {
+                               bp_groups_update_meta_cache( $group_ids );
+                       }
+
+                       // Prefetch all administrator IDs, if requested.
+                       if ( $r['update_admin_cache'] ) {
+                               BP_Groups_Member::prime_group_admins_mods_cache( $group_ids );
+                       }
+
+                       // Set up integer properties needing casting.
+                       $int_props = array(
+                               'id', 'creator_id', 'enable_forum'
+                       );
+
+                       // Integer casting.
+                       foreach ( $paged_groups as $key => $g ) {
+                               foreach ( $int_props as $int_prop ) {
+                                       $paged_groups[ $key ]->{$int_prop} = (int) $paged_groups[ $key ]->{$int_prop};
+                               }
+                       }
+
</ins><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">+                // Find the total number of groups in the results set.
</ins><span class="cx" style="display: block; padding: 0 10px">                 $total_groups_sql = "SELECT COUNT(DISTINCT g.id) FROM {$sql['from']} $where";
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="cx" style="display: block; padding: 0 10px">                /**
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -1334,35 +1372,6 @@
</span><span class="cx" style="display: block; padding: 0 10px">                        $total_groups = (int) $cached;
</span><span class="cx" style="display: block; padding: 0 10px">                }
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                $group_ids = array();
-               foreach ( (array) $paged_groups as $group ) {
-                       $group_ids[] = $group->id;
-               }
-
-               // Grab all groupmeta.
-               if ( ! empty( $r['update_meta_cache'] ) ) {
-                       bp_groups_update_meta_cache( $group_ids );
-               }
-
-               // Prefetch all administrator IDs, if requested.
-               if ( $r['update_admin_cache'] ) {
-                       BP_Groups_Member::prime_group_admins_mods_cache( $group_ids );
-               }
-
-               // Set up integer properties needing casting.
-               $int_props = array(
-                       'id', 'creator_id', 'enable_forum'
-               );
-
-               // Integer casting.
-               foreach ( $paged_groups as $key => $g ) {
-                       foreach ( $int_props as $int_prop ) {
-                               $paged_groups[ $key ]->{$int_prop} = (int) $paged_groups[ $key ]->{$int_prop};
-                       }
-               }
-
-               unset( $sql, $total_sql );
-
</del><span class="cx" style="display: block; padding: 0 10px">                 return array( 'groups' => $paged_groups, 'total' => $total_groups );
</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="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    2017-12-06 15:46:07 UTC (rev 11761)
+++ trunk/tests/phpunit/testcases/groups/class-bp-groups-group.php      2017-12-06 16:18:11 UTC (rev 11762)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -2234,6 +2234,28 @@
</span><span class="cx" style="display: block; padding: 0 10px">                $this->assertEqualSets( array( $g1, $g3 ), $found );
</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">+        /**
+        * @group get_ids_only
+        */
+       public function test_get_return_ids_only() {
+               $now = time();
+               $g1 = $this->factory->group->create( array(
+                       'last_activity' => date( 'Y-m-d H:i:s', $now - 60*60 ),
+               ) );
+               $g2 = $this->factory->group->create( array(
+                       'last_activity' => date( 'Y-m-d H:i:s', $now - 60*60*2 ),
+               ) );
+               $g3 = $this->factory->group->create( array(
+                       'last_activity' => date( 'Y-m-d H:i:s', $now - 60*60*3 ),
+               )  );
+
+               $groups = BP_Groups_Group::get( array(
+                       'fields' => 'ids',
+               ) );
+
+               $this->assertSame( array( $g1, $g2, $g3 ), $groups['groups'] );
+       }
+
</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>
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