1 files changed, 56 insertions, 0 deletions
diff --git a/app/models/project_services/mattermost_slash_commands_service.rb b/app/models/project_services/mattermost_slash_commands_service.rb
new file mode 100644
index 00000000000..67902329593
--- /dev/null
+++ b/app/models/project_services/mattermost_slash_commands_service.rb
@@ -0,0 +1,56 @@
+class MattermostSlashCommandsService < ChatService
+  include TriggersHelper
+
+  prop_accessor :token
+
+  def can_test?
+    false
+  end
+
+  def title
+    'Mattermost Command'
+  end
+
+  def description
+    "Perform common operations on GitLab in Mattermost"
+  end
+
+  def to_param
+    'mattermost_slash_commands'
+  end
+
+  def help
+    "This service allows you to use slash commands with your Mattermost installation.<br/>
+    To setup this Service you need to create a new <b>Slash commands</b> in your Mattermost integration panel.<br/>
+    <br/>
+    Create integration with URL #{service_trigger_url(self)} and enter the token below."
+  end
+
+  def fields
+    [
+      { type: 'text', name: 'token', placeholder: '' }
+    ]
+  end
+
+  def trigger(params)
+    return nil unless valid_token?(params[:token])
+
+    user = find_chat_user(params)
+    unless user
+      url = authorize_chat_name_url(params)
+      return Mattermost::Presenter.authorize_chat_name(url)
+    end
+
+    Gitlab::ChatCommands::Command.new(project, user, params).execute
+  end
+
+  private
+
+  def find_chat_user(params)
+    ChatNames::FindUserService.new(self, params).execute
+  end
+
+  def authorize_chat_name_url(params)
+    ChatNames::AuthorizeUserService.new(self, params).execute
+  end
+end