{"action":"created","comment":{"url":"https://api.github.com/repos/Coursemology/coursemology2/pulls/comments/66699054","id":66699054,"diff_hunk":"@@ -30,4 +32,34 @@ def manually_awarded?\n   def reason\n     manually_awarded? ? super : specific.experience_points_display_reason\n   end\n+\n+  private\n+\n+  def send_notification\n+    Course::LevelNotifier.level_reached(course_user.user, level_after_update)\n+  end\n+\n+  # Test if the course_user will reach a new level after current update.\n+  def reached_new_level?\n+    return false unless points_awarded && points_awarded_changed?\n+\n+    current_level = level_before_update\n+    new_level = level_after_update\n+\n+    current_level.persisted? &&\n+      new_level.persisted? &&\n+      new_level.level_number > current_level.level_number\n+  end\n+\n+  def level_before_update\n+    current_exp = course_user.experience_points\n+    course_user.course.level_for(current_exp)\n+  end\n+\n+  def level_after_update\n+    # Since we are in the before_save callback, exp changes are not saved yet.\n+    exp_changed = points_awarded - (points_awarded_was || 0)\n+    current_exp = course_user.experience_points","path":"app/models/course/experience_points_record.rb","position":40,"original_position":40,"commit_id":"aba121a7726d3ec98d7e4389b57c263ad34df9d3","original_commit_id":"aba121a7726d3ec98d7e4389b57c263ad34df9d3","user":{"login":"allenwq","id":4983239,"avatar_url":"https://avatars.githubusercontent.com/u/4983239?v=3","gravatar_id":"","url":"https://api.github.com/users/allenwq","html_url":"https://github.com/allenwq","followers_url":"https://api.github.com/users/allenwq/followers","following_url":"https://api.github.com/users/allenwq/following{/other_user}","gists_url":"https://api.github.com/users/allenwq/gists{/gist_id}","starred_url":"https://api.github.com/users/allenwq/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/allenwq/subscriptions","organizations_url":"https://api.github.com/users/allenwq/orgs","repos_url":"https://api.github.com/users/allenwq/repos","events_url":"https://api.github.com/users/allenwq/events{/privacy}","received_events_url":"https://api.github.com/users/allenwq/received_events","type":"User","site_admin":false},"body":"Thanks !","created_at":"2016-06-11T02:19:08Z","updated_at":"2016-06-11T02:19:08Z","html_url":"https://github.com/Coursemology/coursemology2/pull/1088#discussion_r66699054","pull_request_url":"https://api.github.com/repos/Coursemology/coursemology2/pulls/1088","_links":{"self":{"href":"https://api.github.com/repos/Coursemology/coursemology2/pulls/comments/66699054"},"html":{"href":"https://github.com/Coursemology/coursemology2/pull/1088#discussion_r66699054"},"pull_request":{"href":"https://api.github.com/repos/Coursemology/coursemology2/pulls/1088"}}},"pull_request":{"url":"https://api.github.com/repos/Coursemology/coursemology2/pulls/1088","id":72854379,"html_url":"https://github.com/Coursemology/coursemology2/pull/1088","diff_url":"https://github.com/Coursemology/coursemology2/pull/1088.diff","patch_url":"https://github.com/Coursemology/coursemology2/pull/1088.patch","issue_url":"https://api.github.com/repos/Coursemology/coursemology2/issues/1088","number":1088,"state":"open","locked":false,"title":"Implement level reached feed notification","user":{"login":"allenwq","id":4983239,"avatar_url":"https://avatars.githubusercontent.com/u/4983239?v=3","gravatar_id":"","url":"https://api.github.com/users/allenwq","html_url":"https://github.com/allenwq","followers_url":"https://api.github.com/users/allenwq/followers","following_url":"https://api.github.com/users/allenwq/following{/other_user}","gists_url":"https://api.github.com/users/allenwq/gists{/gist_id}","starred_url":"https://api.github.com/users/allenwq/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/allenwq/subscriptions","organizations_url":"https://api.github.com/users/allenwq/orgs","repos_url":"https://api.github.com/users/allenwq/repos","events_url":"https://api.github.com/users/allenwq/events{/privacy}","received_events_url":"https://api.github.com/users/allenwq/received_events","type":"User","site_admin":false},"body":"Regarding #1080, Depends on #1087 \r\n\r\nChanges in this PR:\r\n- Implements a level 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