FIX: deleting a flagged post issue

cf. http://meta.discourse.org/t/deleting-a-flagged-post-issue/10061

The bug was only happening when you were about the delete the first post, which means deleting the entire topic.

app/assets/javascripts/admin/controllers/admin_flags_controller.js

@@ -46,12 +46,12 @@ Discourse.AdminFlagsController = Ember.ArrayController.extend({
       Deletes a post
 
       @method deletePost
-      @param {Discourse.FlaggedPost} item The post to delete
+      @param {Discourse.FlaggedPost} post The post to delete
     **/
-    deletePost: function(item) {
+    deletePost: function(post) {
       var adminFlagsController = this;
-      item.deletePost().then((function() {
-        adminFlagsController.removeObject(item);
+      post.deletePost().then((function() {
+        adminFlagsController.removeObject(post);
       }), function() {
         bootbox.alert(I18n.t("admin.flags.error"));
       });

app/assets/javascripts/admin/models/flagged_post.js

@@ -66,7 +66,7 @@ Discourse.FlaggedPost = Discourse.Post.extend({
   }.property('flaggedForSpam'),
 
   deletePost: function() {
-    if (this.get('post_number') === '1') {
+    if (this.get('post_number') === 1) {
       return Discourse.ajax('/t/' + this.topic_id, { type: 'DELETE', cache: false });
     } else {
       return Discourse.ajax('/posts/' + this.id, { type: 'DELETE', cache: false });

app/assets/javascripts/discourse/views/post_menu_view.js

@@ -75,7 +75,7 @@ Discourse.PostMenuView = Discourse.View.extend({
 
     if (post.get('post_number') === 1) {
 
-      // If if it's the first post, the delete/undo actions are related to the topic
+      // If it's the first post, the delete/undo actions are related to the topic
       var topic = post.get('topic');
       if (topic.get('deleted_at')) {
         if (!topic.get('details.can_recover')) { return; }

app/controllers/posts_controller.rb

@@ -154,7 +154,6 @@ class PostsController < ApplicationController
     raise Discourse::InvalidParameters.new(:post_ids) if posts.blank?
 
     # Make sure we can delete the posts
-
     posts.each {|p| guardian.ensure_can_delete!(p) }
 
     Post.transaction do

spec/controllers/posts_controller_spec.rb

@@ -231,7 +231,7 @@ describe PostsController do
         update_params.delete(:post)
         lambda {
           xhr :put, :update, update_params
-	}.should raise_error(ActionController::ParameterMissing)
+        }.should raise_error(ActionController::ParameterMissing)
       end
 
       it "raises an error when the user doesn't have permission to see the post" do

test/javascripts/admin/models/flagged_post_test.js

@@ -0,0 +1,19 @@
+module("Discourse.FlaggedPost");
+
+test('delete first post', function() {
+  this.stub(Discourse, 'ajax');
+
+  Discourse.FlaggedPost.create({ id: 1, topic_id: 2, post_number: 1 })
+           .deletePost();
+
+  ok(Discourse.ajax.calledWith("/t/2", { type: 'DELETE', cache: false }), "it deleted the topic");
+});
+
+test('delete second post', function() {
+  this.stub(Discourse, 'ajax');
+
+  Discourse.FlaggedPost.create({ id: 1, topic_id: 2, post_number: 2 })
+           .deletePost();
+
+  ok(Discourse.ajax.calledWith("/posts/1", { type: 'DELETE', cache: false }), "it deleted the post");
+});