Merge branch 'master' into pipeline-ui-updatespipeline-ui-updates

* master: (259 commits)
  Exclude non existent repository storages.
  fixed minor animation glitch in mini pipeline graph animation
  Update Bitbucket callback URL documentation
  Update build step for KaTeX.
  Add KaTeX fonts to assets paths and precompile
  Replace url('...') to url(font-path('...'))
  Rname katex.css to katex.scss
  Revert conflicting EE changes
  Added Autodeploy script for OpenShift
  Whitelist next project names: notes, services
  Put back progress bar CSS
  Remove unneeded bundle refs.
  Adds entry to changelog
  Reduce MR widget title by one pixel
  Use same font size for all items in issue title
  Adds background color for disabled state to merge when succeeds dropdown
  Filter protocol-relative URLs in ExternalLinkFilter. Fixes issue #22742.
  Move javascript for widget check to ci_bundle.
  Introduce "Set up autodeploy" button to help configure GitLab CI for deployment
  Whitelist next project names: help, ci, admin, search
  ...

1 files changed, 43 insertions, 0 deletions

diff --git a/app/controllers/projects/mattermosts_controller.rb b/app/controllers/projects/mattermosts_controller.rb
new file mode 100644
index 00000000000..d87dff2a80e
--- /dev/null
+++ b/app/controllers/projects/mattermosts_controller.rb
@@ -0,0 +1,43 @@
+class Projects::MattermostsController < Projects::ApplicationController
+  include TriggersHelper
+  include ActionView::Helpers::AssetUrlHelper
+
+  layout 'project_settings'
+
+  before_action :authorize_admin_project!
+  before_action :service
+  before_action :teams, only: [:new]
+
+  def new
+  end
+
+  def create
+    result, message = @service.configure(current_user, configure_params)
+
+    if result
+      flash[:notice] = 'This service is now configured'
+      redirect_to edit_namespace_project_service_path(
+        @project.namespace, @project, service)
+    else
+      flash[:alert] = message || 'Failed to configure service'
+      redirect_to new_namespace_project_mattermost_path(
+        @project.namespace, @project)
+    end
+  end
+
+  private
+
+  def configure_params
+    params.require(:mattermost).permit(:trigger, :team_id).merge(
+      url: service_trigger_url(@service),
+      icon_url: asset_url('gitlab_logo.png'))
+  end
+
+  def teams
+    @teams ||= @service.list_teams(current_user)
+  end
+
+  def service
+    @service ||= @project.find_or_initialize_service('mattermost_slash_commands')
+  end
+end