From 521daf5562051d0cc319c35a0dceaae3e0fd49b7 Mon Sep 17 00:00:00 2001
From: Brion Vibber <brion@pobox.com>
Date: Mon, 20 Sep 2010 15:57:46 -0700
Subject: Ticket #2327: fixing block to remove the blocking user's subscription
 to the blockee if present; also cleaning up inbox delivery to apply the block
 checks more consistently, instead of just to group posts.

---
 classes/Notice.php | 33 ++++++++++++++++++++-------------
 classes/User.php   |  3 +++
 2 files changed, 23 insertions(+), 13 deletions(-)

diff --git a/classes/Notice.php b/classes/Notice.php
index f1b012465..13b322828 100644
--- a/classes/Notice.php
+++ b/classes/Notice.php
@@ -753,8 +753,15 @@ class Notice extends Memcached_DataObject
     }
 
     /**
-     * @param $groups array of Group *objects*
-     * @param $recipients array of profile *ids*
+     * Pull up a full list of local recipients who will be getting
+     * this notice in their inbox. Results will be cached, so don't
+     * change the input data wily-nilly!
+     *
+     * @param array $groups optional list of Group objects;
+     *              if left empty, will be loaded from group_inbox records
+     * @param array $recipient optional list of reply profile ids
+     *              if left empty, will be loaded from reply records
+     * @return array associating recipient user IDs with an inbox source constant
      */
     function whoGets($groups=null, $recipients=null)
     {
@@ -787,27 +794,27 @@ class Notice extends Memcached_DataObject
             $ni[$id] = NOTICE_INBOX_SOURCE_SUB;
         }
 
-        $profile = $this->getProfile();
-
         foreach ($groups as $group) {
             $users = $group->getUserMembers();
             foreach ($users as $id) {
                 if (!array_key_exists($id, $ni)) {
-                    $user = User::staticGet('id', $id);
-                    if (!$user->hasBlocked($profile)) {
-                        $ni[$id] = NOTICE_INBOX_SOURCE_GROUP;
-                    }
+                    $ni[$id] = NOTICE_INBOX_SOURCE_GROUP;
                 }
             }
         }
 
         foreach ($recipients as $recipient) {
-
             if (!array_key_exists($recipient, $ni)) {
-                $recipientUser = User::staticGet('id', $recipient);
-                if (!empty($recipientUser)) {
-                    $ni[$recipient] = NOTICE_INBOX_SOURCE_REPLY;
-                }
+                $ni[$recipient] = NOTICE_INBOX_SOURCE_REPLY;
+            }
+        }
+
+        // Exclude any deleted, non-local, or blocking recipients.
+        $profile = $this->getProfile();
+        foreach ($ni as $id => $source) {
+            $user = User::staticGet('id', $id);
+            if (empty($user) || $user->hasBlocked($profile)) {
+                unset($ni[$id]);
             }
         }
 
diff --git a/classes/User.php b/classes/User.php
index 8033229c4..4c25ee3d9 100644
--- a/classes/User.php
+++ b/classes/User.php
@@ -552,6 +552,9 @@ class User extends Memcached_DataObject
         if (Subscription::exists($other, $self)) {
             Subscription::cancel($other, $self);
         }
+        if (Subscription::exists($self, $other)) {
+            Subscription::cancel($self, $other);
+        }
 
         $block->query('COMMIT');
 
-- 
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