remove useless upload topic direct association

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

@@ -44,15 +44,15 @@ Discourse.ComposerView = Discourse.View.extend({
   }.property('content.createdPost'),
 
   observeReplyChanges: function() {
-    var _this = this;
+    var composerView = this;
     if (this.get('content.hidePreview')) return;
     Ember.run.next(null, function() {
       var $wmdPreview, caretPosition;
-      if (_this.editor) {
-        _this.editor.refreshPreview();
+      if (composerView.editor) {
+        composerView.editor.refreshPreview();
         // if the caret is on the last line ensure preview scrolled to bottom
-        caretPosition = Discourse.Utilities.caretPosition(_this.wmdInput[0]);
-        if (!_this.wmdInput.val().substring(caretPosition).match(/\n/)) {
+        caretPosition = Discourse.Utilities.caretPosition(composerView.wmdInput[0]);
+        if (!composerView.wmdInput.val().substring(caretPosition).match(/\n/)) {
           $wmdPreview = $('#wmd-preview');
           if ($wmdPreview.is(':visible')) {
             return $wmdPreview.scrollTop($wmdPreview[0].scrollHeight);
@@ -164,53 +164,50 @@ Discourse.ComposerView = Discourse.View.extend({
   initEditor: function() {
     // not quite right, need a callback to pass in, meaning this gets called once,
     // but if you start replying to another topic it will get the avatars wrong
-    var $uploadTarget, $wmdInput, editor, saveDraft, selected, template, topic, transformTemplate,
-      _this = this;
+    var $wmdInput, editor, composerView = this;
     this.wmdInput = $wmdInput = $('#wmd-input');
     if ($wmdInput.length === 0 || $wmdInput.data('init') === true) return;
 
     $LAB.script(assetPath('defer/html-sanitizer-bundle'));
     Discourse.ComposerView.trigger("initWmdEditor");
-    template = Discourse.UserSelector.templateFunction();
+    var template = Discourse.UserSelector.templateFunction();
 
-    transformTemplate = Handlebars.compile("{{avatar this imageSize=\"tiny\"}} {{this.username}}");
     $wmdInput.data('init', true);
     $wmdInput.autocomplete({
       template: template,
       dataSource: function(term) {
         return Discourse.UserSearch.search({
           term: term,
-          topicId: _this.get('controller.controllers.topic.content.id')
+          topicId: composerView.get('controller.controllers.topic.content.id')
         });
       },
       key: "@",
       transformComplete: function(v) { return v.username; }
     });
 
-    topic = this.get('topic');
     this.editor = editor = Discourse.Markdown.createEditor({
       lookupAvatar: function(username) {
         return Discourse.Utilities.avatarImg({ username: username, size: 'tiny' });
       }
     });
 
-    $uploadTarget = $('#reply-control');
+    var $uploadTarget = $('#reply-control');
     this.editor.hooks.insertImageDialog = function(callback) {
       callback(null);
-      _this.get('controller').send('showImageSelector', _this);
+      composerView.get('controller').send('showImageSelector', composerView);
       return true;
     };
 
     this.editor.hooks.onPreviewRefresh = function() {
-      return _this.afterRender();
+      return composerView.afterRender();
     };
 
     this.editor.run();
     this.set('editor', this.editor);
     this.loadingChanged();
 
-    saveDraft = Discourse.debounce((function() {
-      return _this.get('controller').saveDraft();
+    var saveDraft = Discourse.debounce((function() {
+      return composerView.get('controller').saveDraft();
     }), 2000);
 
     $wmdInput.keyup(function() {
@@ -223,7 +220,7 @@ Discourse.ComposerView = Discourse.View.extend({
     $replyTitle.keyup(function() {
       saveDraft();
       // removes the red background once the requirements are met
-      if (_this.get('controller.content.missingTitleCharacters') <= 0) {
+      if (composerView.get('controller.content.missingTitleCharacters') <= 0) {
         $replyTitle.removeClass("requirements-not-met");
       }
       return true;
@@ -232,7 +229,7 @@ Discourse.ComposerView = Discourse.View.extend({
     // when the title field loses the focus...
     $replyTitle.blur(function(){
       // ...and the requirements are not met (ie. the minimum number of characters)
-      if (_this.get('controller.content.missingTitleCharacters') > 0) {
+      if (composerView.get('controller.content.missingTitleCharacters') > 0) {
         // then, "redify" the background
         $replyTitle.toggleClass("requirements-not-met", true);
       }
@@ -245,22 +242,21 @@ Discourse.ComposerView = Discourse.View.extend({
     $uploadTarget.fileupload({
         url: Discourse.getURL('/uploads'),
         dataType: 'json',
-        timeout: 20000,
-        formData: { topic_id: 1234 }
+        timeout: 20000
     });
 
     // submit - this event is triggered for each upload
     $uploadTarget.on('fileuploadsubmit', function (e, data) {
       var result = Discourse.Utilities.validateFilesForUpload(data.files);
       // reset upload status when everything is ok
-      if (result) _this.setProperties({ uploadProgress: 0, loadingImage: true });
+      if (result) composerView.setProperties({ uploadProgress: 0, loadingImage: true });
       return result;
     });
 
     // send - this event is triggered when the upload request is about to start
     $uploadTarget.on('fileuploadsend', function (e, data) {
       // hide the "image selector" modal
-      _this.get('controller').send('closeModal');
+      composerView.get('controller').send('closeModal');
       // cf. https://github.com/blueimp/jQuery-File-Upload/wiki/API#how-to-cancel-an-upload
       var jqXHR = data.xhr();
       // need to wait for the link to show up in the DOM
@@ -279,21 +275,21 @@ Discourse.ComposerView = Discourse.View.extend({
     // progress all
     $uploadTarget.on('fileuploadprogressall', function (e, data) {
       var progress = parseInt(data.loaded / data.total * 100, 10);
-      _this.set('uploadProgress', progress);
+      composerView.set('uploadProgress', progress);
     });
 
     // done
     $uploadTarget.on('fileuploaddone', function (e, data) {
       var upload = data.result;
       var html = "<img src=\"" + upload.url + "\" width=\"" + upload.width + "\" height=\"" + upload.height + "\">";
-      _this.addMarkdown(html);
-      _this.set('loadingImage', false);
+      composerView.addMarkdown(html);
+      composerView.set('loadingImage', false);
     });
 
     // fail
     $uploadTarget.on('fileuploadfail', function (e, data) {
       // hide upload status
-      _this.set('loadingImage', false);
+      composerView.set('loadingImage', false);
       // deal with meaningful errors first
       if (data.jqXHR) {
         switch (data.jqXHR.status) {
@@ -321,7 +317,7 @@ Discourse.ComposerView = Discourse.View.extend({
     // to finish.
     return Em.run.later(jQuery, (function() {
       var replyTitle = $('#reply-title');
-      _this.resize();
+      composerView.resize();
       if (replyTitle.length) {
         return replyTitle.putCursorAtEnd();
       } else {

app/controllers/uploads_controller.rb

@@ -2,13 +2,12 @@ class UploadsController < ApplicationController
   before_filter :ensure_logged_in
 
   def create
-    params.require(:topic_id)
     file = params[:file] || params[:files].first
 
     # only supports images for now
     return render status: 415, json: failed_json unless file.content_type =~ /^image\/.+/
 
-    upload = Upload.create_for(current_user.id, file, params[:topic_id])
+    upload = Upload.create_for(current_user.id, file)
 
     render_serialized(upload, UploadSerializer, root: false)
 

app/models/upload.rb

@@ -5,7 +5,6 @@ require 'local_store'
 
 class Upload < ActiveRecord::Base
   belongs_to :user
-  belongs_to :topic
 
   has_many :post_uploads
   has_many :posts, through: :post_uploads
@@ -13,7 +12,7 @@ class Upload < ActiveRecord::Base
   validates_presence_of :filesize
   validates_presence_of :original_filename
 
-  def self.create_for(user_id, file, topic_id)
+  def self.create_for(user_id, file)
     # retrieve image info
     image_info = FastImage.new(file.tempfile, raise_on_failure: true)
     # compute image aspect ratio
@@ -21,7 +20,6 @@ class Upload < ActiveRecord::Base
 
     upload = Upload.create!({
       user_id: user_id,
-      topic_id: topic_id,
       original_filename: file.original_filename,
       filesize: File.size(file.tempfile),
       width: width,
@@ -53,7 +51,6 @@ end
 #
 #  id                :integer          not null, primary key
 #  user_id           :integer          not null
-#  topic_id          :integer          not null
 #  original_filename :string(255)      not null
 #  filesize          :integer          not null
 #  width             :integer

db/migrate/20130615073305_remove_topic_id_from_uploads.rb

@@ -0,0 +1,9 @@
+class RemoveTopicIdFromUploads < ActiveRecord::Migration
+  def up
+    remove_column :uploads, :topic_id
+  end
+
+  def down
+    add_column :uploads, :topic_id, :interger, null: false, default: -1
+  end
+end

spec/controllers/uploads_controller_spec.rb

@@ -14,14 +14,6 @@ describe UploadsController do
 
     context '.create' do
 
-      context 'missing params' do
-        it 'raises an error without the topic_id param' do
-          -> { xhr :post, :create }.should raise_error(ActionController::ParameterMissing)
-        end
-      end
-
-      context 'correct params' do
-
       let(:logo) do
         ActionDispatch::Http::UploadedFile.new({
           filename: 'logo.png',
@@ -50,12 +42,12 @@ describe UploadsController do
 
       context 'with a file' do
         it 'is succesful' do
-            xhr :post, :create, topic_id: 1234, file: logo
+          xhr :post, :create, file: logo
           response.should be_success
         end
 
         it 'supports only images' do
-            xhr :post, :create, topic_id: 1234, file: text_file
+          xhr :post, :create, file: text_file
           response.status.should eq 415
         end
       end
@@ -63,12 +55,12 @@ describe UploadsController do
       context 'with some files' do
 
         it 'is succesful' do
-            xhr :post, :create, topic_id: 1234, files: files
+          xhr :post, :create, files: files
           response.should be_success
         end
 
         it 'takes the first file' do
-            xhr :post, :create, topic_id: 1234, files: files
+          xhr :post, :create, files: files
           response.body.should match /logo-dev.png/
         end
 
@@ -79,5 +71,3 @@ describe UploadsController do
   end
 
 end
-
-end

spec/models/upload_spec.rb

@@ -3,7 +3,6 @@ require 'spec_helper'
 describe Upload do
 
   it { should belong_to :user }
-  it { should belong_to :topic }
 
   it { should have_many :post_uploads }
   it { should have_many :posts }
@@ -14,7 +13,6 @@ describe Upload do
   context '.create_for' do
 
     let(:user_id) { 1 }
-    let(:topic_id) { 42 }
 
     let(:logo) do
       ActionDispatch::Http::UploadedFile.new({
@@ -24,14 +22,13 @@ describe Upload do
       })
     end
 
-    let(:upload) { Upload.create_for(user_id, logo, topic_id) }
+    let(:upload) { Upload.create_for(user_id, logo) }
 
     let(:url) { "http://domain.com" }
 
     shared_examples_for "upload" do
       it "is valid" do
         upload.user_id.should == user_id
-        upload.topic_id.should == topic_id
         upload.original_filename.should == logo.original_filename
         upload.filesize.should == File.size(logo.tempfile)
         upload.width.should == 244