{"action":"created","comment":{"url":"https://api.github.com/repos/heroku/retrodot/pulls/comments/77643240","id":77643240,"diff_hunk":"@@ -0,0 +1,75 @@\n+module IncidentResponse\n+  class << self\n+    # Find any users mentioned in the message and return them.  Users may be\n+    # mentioned by handle (with or without @ prepended) or by their full name.\n+    def get_mentioned_users(message)\n+      ids = find_and_remove_names!(message)\n+      handles = find_handles(message)\n+\n+      (User.where(id: ids) + User.where(handle: handles)).uniq\n+    end\n+\n+    # Slack doesn't nominally have a way to prevent a mention of a user's\n+    # handle from triggering highlights.  We intersperse each character of\n+    # the handle with the unicode character \"invisible separator\" which has\n+    # zero width.  The result is visually indistinguishable from their name\n+    # but doesn't trigger highlights.\n+    def prevent_highlights(message)\n+      message.gsub(handles_regex) do |handle|\n+        unhighlight(handle)\n+      end\n+    end\n+\n+    private\n+    def normalize_name(name)\n+      name.downcase.strip.gsub(/\\s+/, ' ')\n+    end\n+\n+    def find_and_remove_names!(message)\n+      names_to_users = User.pluck(:name, :id).each_with_object({}) do |(name, id), h|\n+        h[normalize_name(name)] = id\n+      end","path":"lib/incident_response.rb","position":31,"original_position":31,"commit_id":"95478ff2adb60f81142639e701d763ea325a6eee","original_commit_id":"95478ff2adb60f81142639e701d763ea325a6eee","user":{"login":"joshuatobin","id":665033,"avatar_url":"https://avatars.githubusercontent.com/u/665033?v=3","gravatar_id":"","url":"https://api.github.com/users/joshuatobin","html_url":"https://github.com/joshuatobin","followers_url":"https://api.github.com/users/joshuatobin/followers","following_url":"https://api.github.com/users/joshuatobin/following{/other_user}","gists_url":"https://api.github.com/users/joshuatobin/gists{/gist_id}","starred_url":"https://api.github.com/users/joshuatobin/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/joshuatobin/subscriptions","organizations_url":"https://api.github.com/users/joshuatobin/orgs","repos_url":"https://api.github.com/users/joshuatobin/repos","events_url":"https://api.github.com/users/joshuatobin/events{/privacy}","received_events_url":"https://api.github.com/users/joshuatobin/received_events","type":"User","site_admin":false},"body":"@lexelby thanks <3. This is very nice.","created_at":"2016-09-06T14:17:05Z","updated_at":"2016-09-06T14:17:05Z","html_url":"https://github.com/heroku/retrodot/pull/41#discussion_r77643240","pull_request_url":"https://api.github.com/repos/heroku/retrodot/pulls/41","_links":{"self":{"href":"https://api.github.com/repos/heroku/retrodot/pulls/comments/77643240"},"html":{"href":"https://github.com/heroku/retrodot/pull/41#discussion_r77643240"},"pull_request":{"href":"https://api.github.com/repos/heroku/retrodot/pulls/41"}}},"pull_request":{"url":"https://api.github.com/repos/heroku/retrodot/pulls/41","id":83517647,"html_url":"https://github.com/heroku/retrodot/pull/41","diff_url":"https://github.com/heroku/retrodot/pull/41.diff","patch_url":"https://github.com/heroku/retrodot/pull/41.patch","issue_url":"https://api.github.com/repos/heroku/retrodot/issues/41","number":41,"state":"open","locked":false,"title":"Incident response library functions","user":{"login":"lexelby","id":4446653,"avatar_url":"https://avatars.githubusercontent.com/u/4446653?v=3","gravatar_id":"","url":"https://api.github.com/users/lexelby","html_url":"https://github.com/lexelby","followers_url":"https://api.github.com/users/lexelby/followers","following_url":"https://api.github.com/users/lexelby/following{/other_user}","gists_url":"https://api.github.com/users/lexelby/gists{/gist_id}","starred_url":"https://api.github.com/users/lexelby/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/lexelby/subscriptions","organizations_url":"https://api.github.com/users/lexelby/orgs","repos_url":"https://api.github.com/users/lexelby/repos","events_url":"https://api.github.com/users/lexelby/events{/privacy}","received_events_url":"https://api.github.com/users/lexelby/received_events","type":"User","site_admin":false},"body":"This is me trying to speak like a rubyist :)\r\n\r\nThis PR will contain a couple of utility functions that will be used by chatops commands.  I had some fun with this, trying to get into the zen of thinking like a ruby programmer instead of just writing python in ruby.  I'd appreciate commentary on my use of iterators and other ruby idioms -- did I get it right?  Is it readable and pretty?\r\n\r\nStill a WIP -- tests coming, along with a few other lib 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