1 files changed, 57 insertions, 0 deletions
diff --git a/lib/gitlab/chat_commands/deploy.rb b/lib/gitlab/chat_commands/deploy.rb
new file mode 100644
index 00000000000..0eed1fce0dc
--- /dev/null
+++ b/lib/gitlab/chat_commands/deploy.rb
@@ -0,0 +1,57 @@
+module Gitlab
+  module ChatCommands
+    class Deploy < BaseCommand
+      include Gitlab::Routing.url_helpers
+
+      def self.match(text)
+        /\Adeploy\s+(?<from>.*)\s+to+\s+(?<to>.*)\z/.match(text)
+      end
+
+      def self.help_message
+        'deploy <environment> to <target-environment>'
+      end
+
+      def self.available?(project)
+        project.builds_enabled?
+      end
+
+      def self.allowed?(project, user)
+        can?(user, :create_deployment, project)
+      end
+
+      def execute(match)
+        from = match[:from]
+        to = match[:to]
+
+        actions = find_actions(from, to)
+        return unless actions.present?
+
+        if actions.one?
+          play!(from, to, actions.first)
+        else
+          Result.new(:error, 'Too many actions defined')
+        end
+      end
+
+      private
+
+      def play!(from, to, action)
+        new_action = action.play(current_user)
+
+        Result.new(:success, "Deployment from #{from} to #{to} started. Follow the progress: #{url(new_action)}.")
+      end
+
+      def find_actions(from, to)
+        environment = project.environments.find_by(name: from)
+        return unless environment
+
+        environment.actions_for(to).select(&:starts_environment?)
+      end
+
+      def url(subject)
+        polymorphic_url(
+          [ subject.project.namespace.becomes(Namespace), subject.project, subject ])
+      end
+    end
+  end
+end