post owners can now delete any comments on their own posts. fixes #2652

app/views/templates/comment.handlebars

@@ -1,6 +1,5 @@
 <div class="right controls">
-  <!-- need access to post -->
-  {{#if ownComment}}
+  {{#if canRemove}}
     <a href="#" class="delete comment_delete" title="{{t "delete"}}">
       <img alt="Deletelabel" src="{{imageUrl "/images/deletelabel.png"}}" />
     <a/>

public/javascripts/app/views/comment_view.js

@@ -12,13 +12,21 @@ app.views.Comment = app.views.Content.extend({
 
   presenter : function() {
     return _.extend(this.defaultPresenter(), {
-      ownComment: this.ownComment(),
+      canRemove: this.canRemove(),
       text : app.helpers.textFormatter(this.model)
     })
   },
 
-  ownComment: function() {
-    if(!app.user()){ return false }
+  ownComment : function() {
     return this.model.get("author").diaspora_id == app.user().diaspora_id
+  },
+
+  postOwner : function() {
+    return this.model.get("parent").author.diaspora_id == app.user().diaspora_id
+  },
+
+  canRemove : function() {
+    if(!app.user()){ return false }
+    return this.ownComment() || this.postOwner()
   }
 });

public/javascripts/app/views/commment_stream_view.js

@@ -41,6 +41,10 @@ app.views.CommentStream = app.views.Base.extend({
   },
 
   appendComment: function(comment) {
+    // Set the post as the comment's parent, so we can check
+    // on post ownership in the Comment view.
+    comment.set({parent : this.model.toJSON()})
+
     this.$("ul.comments").append(new app.views.Comment({
       model: comment
     }).render().el);

spec/javascripts/app/views/comment_stream_view_spec.js

@@ -26,4 +26,14 @@ describe("app.views.CommentStream", function(){
       expect(this.view.$(".comment_box").val()).toBe("")
     })
   })
+
+  describe("appendComment", function(){
+    it("appends this.model as 'parent' to the comment", function(){
+      var comment = new app.models.Comment(factory.comment())
+
+      spyOn(comment, "set")
+      this.view.appendComment(comment)
+      expect(comment.set).toHaveBeenCalled()
+    })
+  })
 })

spec/javascripts/app/views/comment_view_spec.js

@@ -1,6 +1,7 @@
 describe("app.views.Comment", function(){
   beforeEach(function(){
-    this.comment = factory.comment()
+    this.post = factory.post({author : {diaspora_id : "xxx@xxx.xxx"}})
+    this.comment = factory.comment({parent : this.post.toJSON()})
     this.view = new app.views.Comment({model : this.comment})
   })
 
@@ -31,10 +32,44 @@ describe("app.views.Comment", function(){
       loginAs(factory.author({diaspora_id : "notbob@bob.com"}))
       expect(this.view.ownComment()).toBe(false);
     })
+  })
 
-    it("returns false if the user is not logged in", function(){
-      logout()
-      expect(this.view.ownComment()).toBe(false);
+  describe("postOwner", function(){
+    it("returns true if the author diaspora_id == the current user's diaspora_id", function(){
+      loginAs(this.post.get("author"))
+      expect(this.view.postOwner()).toBe(true)
+    })
+
+    it("returns false if the author diaspora_id != the current user's diaspora_id", function(){
+      loginAs(factory.author({diaspora_id : "notbob@bob.com"}))
+      expect(this.view.postOwner()).toBe(false);
+    })
+  })
+
+  describe("canRemove", function(){
+    context("is truthy", function(){
+      it("when ownComment is true", function(){
+        spyOn(this.view, "ownComment").andReturn(true)
+        spyOn(this.view, "postOwner").andReturn(false)
+
+        expect(this.view.canRemove()).toBe(true)
+      })
+
+      it("when postOwner is true", function(){
+        spyOn(this.view, "postOwner").andReturn(true)
+        spyOn(this.view, "ownComment").andReturn(false)
+
+        expect(this.view.canRemove()).toBe(true)
+      })
+    })
+
+    context("is falsy", function(){
+      it("when postOwner and ownComment are both false", function(){
+        spyOn(this.view, "postOwner").andReturn(false)
+        spyOn(this.view, "ownComment").andReturn(false)
+
+        expect(this.view.canRemove()).toBe(false)
+      })
     })
   })
 })

spec/javascripts/helpers/factory.js

@@ -21,6 +21,18 @@ factory = {
     return _.extend(defaultAttrs, overrides)
   },
 
+  comment : function(overrides) {
+    var defaultAttrs = {
+      "created_at" : "2012-01-04T00:55:30Z",
+      "author" : this.author(),
+      "guid" : this.guid(),
+      "id" : this.id.next(),
+      "text" : "This is a comment!"
+    }
+    
+    return new app.models.Comment(_.extend(defaultAttrs, overrides))
+  },
+
   userAttrs : function(overrides){
     var id = this.id.next()
       var defaultAttrs = {