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<title>[BuddyPress][8315] trunk: Improve the migration tool that converts old non-multisite signups to post-2.0 system</title>
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<dl class="meta">
<dt>Revision</dt> <dd><a href="http://buddypress.trac.wordpress.org/changeset/8315">8315</a></dd>
<dt>Author</dt> <dd>boonebgorges</dd>
<dt>Date</dt> <dd>2014-04-24 00:22:29 +0000 (Thu, 24 Apr 2014)</dd>
</dl>

<h3>Log Message</h3>
<pre>Improve the migration tool that converts old non-multisite signups to post-2.0 system

This refactoring involves a number of improvements:

- Old signups are identified as those users with user_status=2, instead of
  those users with an 'activation_key' usermeta value. Use of the latter
  technique caused problems with upgrades when plugins had interfered in the
  normal BuddyPress registration flow in such a way as to retain the activation
  key on activated accounts. user_status=2 is a more reliable technique.
- Querying by user_status=2 means that the get_users() query does not have to
  include all usermeta, which makes for a more performant query on large sites.
- The migration routine has been broken out into a separate function
  bp_members_migrate_signups(), and unit tests have been written for it.
- Activation keys are now regenerated for migrated users who did not have an
  existing key in usermeta for some reason.

Fixes <a href="http://buddypress.trac.wordpress.org/ticket/5553">#5553</a>

Props imath</pre>

<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkbpcorebpcoreupdatephp">trunk/bp-core/bp-core-update.php</a></li>
<li><a href="#trunkbpmembersbpmembersfunctionsphp">trunk/bp-members/bp-members-functions.php</a></li>
<li><a href="#trunkteststestcasesmembersfunctionsphp">trunk/tests/testcases/members/functions.php</a></li>
</ul>

</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunkbpcorebpcoreupdatephp"></a>
<div class="modfile"><h4>Modified: trunk/bp-core/bp-core-update.php (8314 => 8315)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/bp-core/bp-core-update.php 2014-04-24 00:22:06 UTC (rev 8314)
+++ trunk/bp-core/bp-core-update.php    2014-04-24 00:22:29 UTC (rev 8315)
</span><span class="lines">@@ -365,40 +365,8 @@
</span><span class="cx">          // Maybe install the signups table
</span><span class="cx">          bp_core_maybe_install_signups();
</span><span class="cx"> 
</span><del>-               $signups = get_users( array(
-                       'fields'       => 'all_with_meta',
-                       'meta_key'     => 'activation_key',
-                       'meta_compare' => 'EXISTS',
-               ) );
-
-               if ( empty( $signups ) ) {
-                       return;
-               }
-
-               foreach ( $signups as $signup ) {
-                       $meta = array();
-
-                       if ( bp_is_active( 'xprofile' ) ) {
-                               $meta['field_1'] = $signup->display_name;
-                       }
-
-                       $meta['password'] = $signup->user_pass;
-
-                       $user_login = preg_replace( '/\s+/', '', sanitize_user( $signup->user_login, true ) );
-                       $user_email = sanitize_email( $signup->user_email );
-
-                       BP_Signup::add( array(
-                               'user_login'     => $user_login,
-                               'user_email'     => $user_email,
-                               'registered'     => $signup->user_registered,
-                               'activation_key' => $signup->activation_key,
-                               'meta'           => $meta
-                       ) );
-
-                       // Deleting these options will remove signups from users count
-                       delete_user_option( $signup->ID, 'capabilities' );
-                       delete_user_option( $signup->ID, 'user_level'   );
-               }
</del><ins>+                // Run the migration script
+               bp_members_migrate_signups();
</ins><span class="cx">   }
</span><span class="cx"> 
</span><span class="cx">  /** Add BP options to the options table ***********************************/
</span></span></pre></div>
<a id="trunkbpmembersbpmembersfunctionsphp"></a>
<div class="modfile"><h4>Modified: trunk/bp-members/bp-members-functions.php (8314 => 8315)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/bp-members/bp-members-functions.php        2014-04-24 00:22:06 UTC (rev 8314)
+++ trunk/bp-members/bp-members-functions.php   2014-04-24 00:22:29 UTC (rev 8315)
</span><span class="lines">@@ -1637,6 +1637,87 @@
</span><span class="cx">  return $user_id;
</span><span class="cx"> }
</span><span class="cx"> 
</span><ins>+/**
+ * Migrate signups from pre-2.0 configuration to wp_signups.
+ *
+ * @since BuddyPress (2.0.1)
+ */
+function bp_members_migrate_signups() {
+       global $wpdb;
+
+       $status_2_ids = $wpdb->get_col( "SELECT ID FROM {$wpdb->users} WHERE user_status = '2'" );
+
+       if ( ! empty( $status_2_ids ) ) {
+               $signups = get_users( array(
+                       'fields'  => array(
+                               'ID',
+                               'user_login',
+                               'user_pass',
+                               'user_registered',
+                               'user_email',
+                               'display_name',
+                       ),
+                       'include' => $status_2_ids,
+               ) );
+
+               // Fetch activation keys separately, to avoid the all_with_meta
+               // overhead
+               $status_2_ids_sql = implode( ',', $status_2_ids );
+               $ak_data = $wpdb->get_results( "SELECT user_id, meta_value FROM {$wpdb->usermeta} WHERE meta_key = 'activation_key' AND user_id IN ({$status_2_ids_sql})" );
+
+               // Rekey
+               $activation_keys = array();
+               foreach ( $ak_data as $ak_datum ) {
+                       $activation_keys[ intval( $ak_datum->user_id ) ] = $ak_datum->meta_value;
+               }
+
+               unset( $status_2_ids_sql, $status_2_ids, $ak_data );
+
+               // Merge
+               foreach ( $signups as &$signup ) {
+                       if ( isset( $activation_keys[ $signup->ID ] ) ) {
+                               $signup->activation_key = $activation_keys[ $signup->ID ];
+                       }
+               }
+
+               // Reset the signup var as we're using it to process the migration
+               unset( $signup );
+
+       } else {
+               return;
+       }
+
+       foreach ( $signups as $signup ) {
+               $meta = array();
+
+               // Rebuild the activation key, if missing
+               if ( empty( $signup->activation_key ) ) {
+                       $signup->activation_key = wp_hash( $signup->ID );
+               }
+
+               if ( bp_is_active( 'xprofile' ) ) {
+                       $meta['field_1'] = $signup->display_name;
+               }
+
+               $meta['password'] = $signup->user_pass;
+
+               $user_login = preg_replace( '/\s+/', '', sanitize_user( $signup->user_login, true ) );
+               $user_email = sanitize_email( $signup->user_email );
+
+               BP_Signup::add( array(
+                       'user_login'     => $user_login,
+                       'user_email'     => $user_email,
+                       'registered'     => $signup->user_registered,
+                       'activation_key' => $signup->activation_key,
+                       'meta'           => $meta
+               ) );
+
+               // Deleting these options will remove signups from users count
+               delete_user_option( $signup->ID, 'capabilities' );
+               delete_user_option( $signup->ID, 'user_level'   );
+       }
+}
+
</ins><span class="cx"> function bp_core_new_user_activity( $user ) {
</span><span class="cx">  if ( empty( $user ) || !bp_is_active( 'activity' ) )
</span><span class="cx">          return false;
</span></span></pre></div>
<a id="trunkteststestcasesmembersfunctionsphp"></a>
<div class="modfile"><h4>Modified: trunk/tests/testcases/members/functions.php (8314 => 8315)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/tests/testcases/members/functions.php      2014-04-24 00:22:06 UTC (rev 8314)
+++ trunk/tests/testcases/members/functions.php 2014-04-24 00:22:29 UTC (rev 8315)
</span><span class="lines">@@ -279,4 +279,95 @@
</span><span class="cx"> 
</span><span class="cx">          $this->assertSame( $expected, bp_core_get_user_displaynames( array( $u1, $u2, ) ) );
</span><span class="cx">  }
</span><ins>+
+       /**
+        * @group bp_members_migrate_signups
+        */
+       public function test_bp_members_migrate_signups_standard() {
+               $u = $this->create_user();
+               $u_obj = new WP_User( $u );
+
+               // Fake an old-style registration
+               $key = wp_hash( $u_obj->ID );
+               update_user_meta( $u, 'activation_key', $key );
+
+               global $wpdb;
+               $wpdb->update(
+                       $wpdb->users,
+                       array( 'user_status' => '2', ),
+                       array( 'ID' => $u, ),
+                       array( '%d', ),
+                       array( '%d', )
+               );
+               clean_user_cache( $u );
+
+               bp_members_migrate_signups();
+
+               $found = BP_Signup::get();
+
+               // Use email address as a sanity check
+               $found_email = isset( $found['signups'][0]->user_email ) ? $found['signups'][0]->user_email : '';
+               $this->assertSame( $u_obj->user_email, $found_email );
+
+               // Check that activation keys match
+               $found_key = isset( $found['signups'][0]->activation_key ) ? $found['signups'][0]->activation_key : '';
+               $this->assertSame( $key, $found_key );
+       }
+
+       /**
+        * @group bp_members_migrate_signups
+        */
+       public function test_bp_members_migrate_signups_activation_key_but_user_status_0() {
+               $u = $this->create_user();
+               $u_obj = new WP_User( $u );
+
+               // Fake an old-style registration
+               $key = wp_hash( $u_obj->ID );
+               update_user_meta( $u, 'activation_key', $key );
+
+               // ...but ensure that user_status is 0. This mimics the
+               // behavior of certain plugins that disrupt the BP registration
+               // flow
+               global $wpdb;
+               $wpdb->update(
+                       $wpdb->users,
+                       array( 'user_status' => '0', ),
+                       array( 'ID' => $u, ),
+                       array( '%d', ),
+                       array( '%d', )
+               );
+               clean_user_cache( $u );
+
+               bp_members_migrate_signups();
+
+               // No migrations should have taken place
+               $found = BP_Signup::get();
+               $this->assertEmpty( $found['total'] );
+       }
+
+       /**
+        * @group bp_members_migrate_signups
+        */
+       public function test_bp_members_migrate_signups_no_activation_key_but_user_status_2() {
+               $u = $this->create_user();
+               $u_obj = new WP_User( $u );
+
+               // Fake an old-style registration but without an activation key
+               global $wpdb;
+               $wpdb->update(
+                       $wpdb->users,
+                       array( 'user_status' => '2', ),
+                       array( 'ID' => $u, ),
+                       array( '%d', ),
+                       array( '%d', )
+               );
+               clean_user_cache( $u );
+
+               bp_members_migrate_signups();
+
+               // Use email address as a sanity check
+               $found = BP_Signup::get();
+               $found_email = isset( $found['signups'][0]->user_email ) ? $found['signups'][0]->user_email : '';
+               $this->assertSame( $u_obj->user_email, $found_email );
+       }
</ins><span class="cx"> }
</span></span></pre>
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