timhabermaas/toodoo — pull request #5 by timhabermaas (2014-03-25 00:52:10+00:00)
Title: Add CommentOnTask use case

Option 1
---

```Ruby
task = database.find Task, task_id
task.add_comment Comment.new(content: "content")
database.update task
```

Option 2
---

```Ruby
task = database.find Task, task_id
comment = Comment.new(task: task, content: "content")
database.create comment
```