class Projects::MergeRequests::CreationsController < Projects::MergeRequests::ApplicationController include DiffForPath include DiffHelper include RendersCommits skip_before_action :merge_request before_action :whitelist_query_limiting, only: [:create] before_action :authorize_create_merge_request! before_action :apply_diff_view_cookie!, only: [:diffs, :diff_for_path] before_action :build_merge_request, except: [:create] def new # n+1: https://gitlab.com/gitlab-org/gitlab-ce/issues/40934 Gitlab::GitalyClient.allow_n_plus_1_calls do define_new_vars end end def create @target_branches ||= [] @merge_request = ::MergeRequests::CreateService.new(project, current_user, merge_request_params).execute if @merge_request.valid? redirect_to(merge_request_path(@merge_request)) else @source_project = @merge_request.source_project @target_project = @merge_request.target_project define_new_vars render action: "new" end end def pipelines @pipelines = @merge_request.all_pipelines Gitlab::PollingInterval.set_header(response, interval: 10_000) render json: { pipelines: PipelineSerializer .new(project: @project, current_user: @current_user) .represent(@pipelines) } end def diffs @diffs = @merge_request.diffs(diff_options) if @merge_request.can_be_created @diff_notes_disabled = true @environment = @merge_request.environments_for(current_user).last render json: { html: view_to_html_string('projects/merge_requests/creations/_diffs', diffs: @diffs, environment: @environment) } end def diff_for_path @diffs = @merge_request.diffs(diff_options) @diff_notes_disabled = true render_diff_for_path(@diffs) end def branch_from # This is always source @source_project = @merge_request.nil? ? @project : @merge_request.source_project if params[:ref].present? @ref = params[:ref] @commit = @repository.commit(Gitlab::Git::BRANCH_REF_PREFIX + @ref) end render layout: false end def branch_to @target_project = selected_target_project if @target_project && params[:ref].present? @ref = params[:ref] @commit = @target_project.commit(Gitlab::Git::BRANCH_REF_PREFIX + @ref) end render layout: false end def update_branches @target_project = selected_target_project @target_branches = @target_project ? @target_project.repository.branch_names : [] render layout: false end private def build_merge_request params[:merge_request] ||= ActionController::Parameters.new(source_project: @project) @merge_request = ::MergeRequests::BuildService.new(project, current_user, merge_request_params.merge(diff_options: diff_options)).execute end def define_new_vars @noteable = @merge_request @target_branches = if @merge_request.target_project @merge_request.target_project.repository.branch_names else [] end @target_project = @merge_request.target_project @source_project = @merge_request.source_project @commits = prepare_commits_for_rendering(@merge_request.commits) @commit = @merge_request.diff_head_commit @labels = LabelsFinder.new(current_user, project_id: @project.id).execute set_pipeline_variables end def selected_target_project if @project.id.to_s == params[:target_project_id] || !@project.forked? @project elsif params[:target_project_id].present? MergeRequestTargetProjectFinder.new(current_user: current_user, source_project: @project) .find_by(id: params[:target_project_id]) else @project.forked_from_project end end def whitelist_query_limiting Gitlab::QueryLimiting.whitelist('https://gitlab.com/gitlab-org/gitlab-ce/issues/42384') end end