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

@@ -2,16 +2,15 @@ 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)
-  
+
   rescue FastImage::ImageFetchFailure
     render status: 422, text: I18n.t("upload.image.fetch_failure")
   rescue FastImage::UnknownImageType

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