Add Janky::GitHubStatus

README.md

@@ -148,6 +148,17 @@ Using Janky with [GitHub Enterprise][ghe] requires one extra setting:
 
 [ghe]: https://enterprise.github.com
 
+### GitHub Status API
+
+https://github.com/blog/1227-commit-status-api
+
+To update pull requests with the build status generate an OAuth token
+like so:
+
+  curl
+
+then set `JANKY_GITHUB_STATUS_TOKEN`.
+
 ### Chat Notification
 
 #### Campfire
@@ -221,33 +232,33 @@ Hacking
 
 Get your environment up and running:
 
-    $ script/bootstrap
+    script/bootstrap
 
 Create the databases:
 
-    $ mysqladmin -uroot create janky_development
-    $ mysqladmin -uroot create janky_test
+    mysqladmin -uroot create janky_development
+    mysqladmin -uroot create janky_test
 
 Create the tables:
 
-    $ RACK_ENV=development bin/rake db:migrate
-    $ RACK_ENV=test bin/rake db:migrate
+    RACK_ENV=development bin/rake db:migrate
+    RACK_ENV=test bin/rake db:migrate
 
 Seed some data into the development database:
 
-    $ bin/rake db:seed
+    bin/rake db:seed
 
 Start the server:
 
-    $ script/server
+    script/server
 
 Open the app:
 
-    $ open http://localhost:9393/
+    open http://localhost:9393/
 
 Run the test suite:
 
-    $ script/test
+    script/test
 
 Contributing
 ------------

lib/janky.rb

@@ -46,6 +46,7 @@
 require "janky/notifier/chat_service"
 require "janky/notifier/mock"
 require "janky/notifier/multi"
+require "janky/notifier/github_status"
 require "janky/app"
 require "janky/views/layout"
 require "janky/views/index"
@@ -198,7 +199,14 @@ def self.setup(settings)
     end
     ChatService.setup(chat_name, chat_settings, chat_room)
 
-    Notifier.setup(Notifier::ChatService)
+    if token = settings["JANKY_GITHUB_STATUS_TOKEN"]
+      Notifier.setup([
+        Notifier::GithubStatus.new(token, api_url),
+        Notifier::ChatService
+      ])
+    else
+      Notifier.setup(Notifier::ChatService)
+    end
   end
 
   # List of settings required in production.

lib/janky/notifier/github_status.rb

@@ -0,0 +1,57 @@
+module Janky
+  module Notifier
+    # Create GitHub Status updates for builds.
+    #
+    # Note that Statuses are immutable - so we create one for
+    # "pending" status when a build starts, then create a new status for
+    # "success" or "failure" when the build is complete.
+    class GithubStatus
+      # Initialize with an OAuth token to POST Statuses with
+      def initialize(token, api_url)
+        @token = token
+        @api_url = URI(api_url)
+      end
+
+      # Create a Pending Status for the Commit when it starts.
+      def started(build)
+        repo   = build.repo_nwo
+        path  = "repos/#{repo}/statuses/#{build.sha1}"
+
+        post(path, "pending", build.web_url, "Build ##{build.number} started")
+      end
+
+      # Create a Success or Failure Status for the Commit.
+      def completed(build)
+        repo   = build.repo_nwo
+        path   = "repos/#{repo}/statuses/#{build.sha1}"
+        status = build.green? ? "success" : "failure"
+
+        desc = case status
+          when "success" then "Build ##{build.number} succeeded in #{build.duration}s"
+          when "failure" then "Build ##{build.number} failed in #{build.duration}s"
+        end
+
+        post(path, status, build.web_url, desc)
+      end
+
+      # Internal: POST the new status to the API
+      def post(path, status, url, desc)
+        http = Net::HTTP.new(@api_url.host, @api_url.port)
+        post = Net::HTTP::Post.new("#{@api_url.path}/#{path}")
+
+        http.use_ssl = true
+
+        post["Content-Type"] = "application/json"
+        post["Authorization"] = "token #{@token}"
+
+        post.body = {
+          :state => status,
+          :target_url => url,
+          :description => desc,
+        }.to_json
+
+        http.request(post)
+      end
+    end
+  end
+end