1 files changed, 62 insertions, 0 deletions
diff --git a/lib/gitlab/chat_commands/command.rb b/lib/gitlab/chat_commands/command.rb
new file mode 100644
index 00000000000..0ec358debc7
--- /dev/null
+++ b/lib/gitlab/chat_commands/command.rb
@@ -0,0 +1,62 @@
+module Gitlab
+  module ChatCommands
+    class Command < BaseCommand
+      COMMANDS = [
+        Gitlab::ChatCommands::IssueShow,
+        Gitlab::ChatCommands::IssueCreate,
+        Gitlab::ChatCommands::Deploy,
+      ].freeze
+
+      def execute
+        command, match = match_command
+
+        if command
+          if command.allowed?(project, current_user)
+            present command.new(project, current_user, params).execute(match)
+          else
+            access_denied
+          end
+        else
+          help(help_messages)
+        end
+      end
+
+      private
+
+      def match_command
+        match = nil
+        service = available_commands.find do |klass|
+          match = klass.match(command)
+        end
+
+        [service, match]
+      end
+
+      def help_messages
+        available_commands.map(&:help_message)
+      end
+
+      def available_commands
+        COMMANDS.select do |klass|
+          klass.available?(project)
+        end
+      end
+
+      def command
+        params[:text]
+      end
+
+      def help(messages)
+        Mattermost::Presenter.help(messages, params[:command])
+      end
+
+      def access_denied
+        Mattermost::Presenter.access_denied
+      end
+
+      def present(resource)
+        Mattermost::Presenter.present(resource)
+      end
+    end
+  end
+end