1 files changed, 67 insertions, 0 deletions
diff --git a/app/models/project_services/hangouts_chat_service.rb b/app/models/project_services/hangouts_chat_service.rb
new file mode 100644
index 00000000000..a8512c5f57c
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+++ b/app/models/project_services/hangouts_chat_service.rb
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+require 'hangouts_chat'
+
+class HangoutsChatService < ChatNotificationService
+  def title
+    'Hangouts Chat'
+  end
+
+  def description
+    'Receive event notifications in Google Hangouts Chat'
+  end
+
+  def self.to_param
+    'hangouts_chat'
+  end
+
+  def help
+    'This service sends notifications about projects events to Google Hangouts Chat room.<br />
+    To set up this service:
+    <ol>
+      <li><a href="https://developers.google.com/hangouts/chat/how-tos/webhooks">Set up an incoming webhook for your room</a>. All notifications will come to this room.</li>
+      <li>Paste the <strong>Webhook URL</strong> into the field below.</li>
+      <li>Select events below to enable notifications.</li>
+    </ol>'
+  end
+
+  def event_field(event)
+  end
+
+  def default_channel_placeholder
+  end
+
+  def webhook_placeholder
+    'https://chat.googleapis.com/v1/spaces…'
+  end
+
+  def default_fields
+    [
+      { type: 'text', name: 'webhook', placeholder: "e.g. #{webhook_placeholder}" },
+      { type: 'checkbox', name: 'notify_only_broken_pipelines' },
+      { type: 'checkbox', name: 'notify_only_default_branch' }
+    ]
+  end
+
+  private
+
+  def notify(message, opts)
+    simple_text = parse_simple_text_message(message)
+    HangoutsChat::Sender.new(webhook).simple(simple_text)
+  end
+
+  def parse_simple_text_message(message)
+    header = message.pretext
+    return header if message.attachments.empty?
+
+    attachment = message.attachments.first
+    title      = format_attachment_title(attachment)
+    body       = attachment[:text]
+
+    [header, title, body].compact.join("\n")
+  end
+
+  def format_attachment_title(attachment)
+    return attachment[:title] unless attachment[:title_link]
+
+    "<#{attachment[:title_link]}|#{attachment[:title]}>"
+  end
+end