From b089805dc04659ba6f96b53dff8744862305697d Mon Sep 17 00:00:00 2001
From: Claus Strasburger <claus@strasburger.de>
Date: Tue, 1 Oct 2013 16:34:04 +0200
Subject: [PATCH 1/2] Added method removeAllowedUser to topic_details.js

perform a request to /t/:id/remove-allowed-user,
then delete the user from the local list
---
 .../discourse/controllers/topic_controller.js     |  1 +
 .../javascripts/discourse/models/topic_details.js | 15 ++++++++++++++-
 2 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/app/assets/javascripts/discourse/controllers/topic_controller.js b/app/assets/javascripts/discourse/controllers/topic_controller.js
index e6a01bbe405..a68bb037c10 100644
--- a/app/assets/javascripts/discourse/controllers/topic_controller.js
+++ b/app/assets/javascripts/discourse/controllers/topic_controller.js
@@ -473,6 +473,7 @@ Discourse.TopicController = Discourse.ObjectController.extend(Discourse.Selected
   removeAllowedUser: function(username) {
     this.get('details').removeAllowedUser(username);
   }
+
 });
 
 
diff --git a/app/assets/javascripts/discourse/models/topic_details.js b/app/assets/javascripts/discourse/models/topic_details.js
index a4f4858e913..59fe80302c8 100644
--- a/app/assets/javascripts/discourse/models/topic_details.js
+++ b/app/assets/javascripts/discourse/models/topic_details.js
@@ -49,6 +49,19 @@ Discourse.TopicDetails = Discourse.Model.extend({
       type: 'POST',
       data: { notification_level: v }
     });
-  }
+  },
 
+  removeAllowedUser: function(username) {
+    var users = this.get('allowed_users');
+    Discourse.ajax("/t/" + this.get('topic.id') + "/remove-allowed-user", {
+      type: 'PUT',
+      data: { username: username }
+    }).then(function(res) {
+      users.forEach(function(user, i) {
+        if (user.username === username) {
+          users.removeAt(i);
+        }
+      });
+    });
+  }
 });

From 15a973fd451ab5d870ecacba08f8c02dd1ca41cd Mon Sep 17 00:00:00 2001
From: Claus Strasburger <claus@strasburger.de>
Date: Wed, 2 Oct 2013 19:11:48 +0200
Subject: [PATCH 2/2] Improved private message user removal, locale edit

replaced array iteration with findProperty (will be renamed and aliased to findBy with Ember 1.1)
added modal dialog to verify
catched nil-error on topic.rb
---
 .../discourse/controllers/topic_controller.js        | 12 +++++++++++-
 .../javascripts/discourse/models/topic_details.js    |  6 +-----
 app/models/topic.rb                                  |  7 ++++++-
 config/locales/client.de.yml                         |  1 +
 config/locales/client.en.yml                         |  1 +
 5 files changed, 20 insertions(+), 7 deletions(-)

diff --git a/app/assets/javascripts/discourse/controllers/topic_controller.js b/app/assets/javascripts/discourse/controllers/topic_controller.js
index a68bb037c10..f94607567fb 100644
--- a/app/assets/javascripts/discourse/controllers/topic_controller.js
+++ b/app/assets/javascripts/discourse/controllers/topic_controller.js
@@ -471,7 +471,17 @@ Discourse.TopicController = Discourse.ObjectController.extend(Discourse.Selected
   },
 
   removeAllowedUser: function(username) {
-    this.get('details').removeAllowedUser(username);
+    var self = this;
+    bootbox.dialog(I18n.t("private_message_info.remove_allowed_user", {name: username}), [
+      {label: I18n.t("no_value"),
+       'class': 'btn-danger rightg'},
+      {label: I18n.t("yes_value"),
+       'class': 'btn-primary',
+        callback: function() {
+          self.get('details').removeAllowedUser(username);
+        }
+      }
+    ]);
   }
 
 });
diff --git a/app/assets/javascripts/discourse/models/topic_details.js b/app/assets/javascripts/discourse/models/topic_details.js
index 59fe80302c8..40bb8859234 100644
--- a/app/assets/javascripts/discourse/models/topic_details.js
+++ b/app/assets/javascripts/discourse/models/topic_details.js
@@ -57,11 +57,7 @@ Discourse.TopicDetails = Discourse.Model.extend({
       type: 'PUT',
       data: { username: username }
     }).then(function(res) {
-      users.forEach(function(user, i) {
-        if (user.username === username) {
-          users.removeAt(i);
-        }
-      });
+      users.removeObject(users.findProperty('username', username));
     });
   }
 });
diff --git a/app/models/topic.rb b/app/models/topic.rb
index 570fabf68be..33b3160e391 100644
--- a/app/models/topic.rb
+++ b/app/models/topic.rb
@@ -382,7 +382,12 @@ class Topic < ActiveRecord::Base
   def remove_allowed_user(username)
     user = User.where(username: username).first
     if user
-      topic_allowed_users.where(user_id: user.id).first.destroy
+      topic_user = topic_allowed_users.where(user_id: user.id).first
+      if topic_user
+        topic_user.destroy
+      else
+        false
+      end
     end
   end
 
diff --git a/config/locales/client.de.yml b/config/locales/client.de.yml
index e08ee8b0989..4a6857f8ce4 100644
--- a/config/locales/client.de.yml
+++ b/config/locales/client.de.yml
@@ -373,6 +373,7 @@ de:
     private_message_info:
       title: "Privates Gespräch"
       invite: "Andere einladen..."
+      remove_allowed_user: "Willst du {{name}} wirklich aus diesem Gespräch entfernen?"
 
     email: 'Mail'
     username: 'Benutzername'
diff --git a/config/locales/client.en.yml b/config/locales/client.en.yml
index d1c22dec2c9..7891f01c090 100644
--- a/config/locales/client.en.yml
+++ b/config/locales/client.en.yml
@@ -372,6 +372,7 @@ en:
     private_message_info:
       title: "Private Message"
       invite: "Invite Others..."
+      remove_allowed_user: "Do you really want to remove {{name}} from this private message?"
 
     email: 'Email'
     username: 'Username'