class Projects::MergeRequestsController < Projects::ApplicationController include ToggleSubscriptionAction include DiffHelper include IssuableActions before_action :module_enabled before_action :merge_request, only: [ :edit, :update, :show, :diffs, :commits, :builds, :merge, :merge_check, :ci_status, :toggle_subscription, :cancel_merge_when_build_succeeds, :remove_wip ] before_action :closes_issues, only: [:edit, :update, :show, :diffs, :commits, :builds] before_action :validates_merge_request, only: [:show, :diffs, :commits, :builds] before_action :define_show_vars, only: [:show, :diffs, :commits, :builds] before_action :define_widget_vars, only: [:merge, :cancel_merge_when_build_succeeds, :merge_check] before_action :ensure_ref_fetched, only: [:show, :diffs, :commits, :builds] # Allow read any merge_request before_action :authorize_read_merge_request! # Allow write(create) merge_request before_action :authorize_create_merge_request!, only: [:new, :create] # Allow modify merge_request before_action :authorize_update_merge_request!, only: [:close, :edit, :update, :remove_wip, :sort] def index terms = params['issue_search'] @merge_requests = get_merge_requests_collection if terms.present? if terms =~ /\A[#!](\d+)\z/ @merge_requests = @merge_requests.where(iid: $1) else @merge_requests = @merge_requests.full_search(terms) end end @merge_requests = @merge_requests.page(params[:page]) @merge_requests = @merge_requests.preload(:target_project) @labels = @project.labels.where(title: params[:label_name]) respond_to do |format| format.html format.json do render json: { html: view_to_html_string("projects/merge_requests/_merge_requests"), labels: @labels.as_json(methods: :text_color) } end end end def show @note_counts = Note.where(commit_id: @merge_request.commits.map(&:id)). group(:commit_id).count respond_to do |format| format.html format.json { render json: @merge_request } format.diff { render text: @merge_request.to_diff } format.patch { render text: @merge_request.to_patch } end end def diffs apply_diff_view_cookie! @commit = @merge_request.last_commit @base_commit = @merge_request.diff_base_commit # MRs created before 8.4 don't have a diff_base_commit, # but we need it for the "View file @ ..." link by deleted files @base_commit ||= @merge_request.first_commit.parent || @merge_request.first_commit @comments_target = { noteable_type: 'MergeRequest', noteable_id: @merge_request.id } @grouped_diff_notes = @merge_request.notes.grouped_diff_notes respond_to do |format| format.html format.json { render json: { html: view_to_html_string("projects/merge_requests/show/_diffs") } } end end def commits respond_to do |format| format.html { render 'show' } format.json { render json: { html: view_to_html_string('projects/merge_requests/show/_commits') } } end end def builds respond_to do |format| format.html { render 'show' } format.json { render json: { html: view_to_html_string('projects/merge_requests/show/_builds') } } end end def new params[:merge_request] ||= ActionController::Parameters.new(source_project: @project) @merge_request = MergeRequests::BuildService.new(project, current_user, merge_request_params).execute @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 = @merge_request.compare_commits.reverse @commit = @merge_request.last_commit @base_commit = @merge_request.diff_base_commit @diffs = @merge_request.compare.diffs(diff_options) if @merge_request.compare @diff_notes_disabled = true @ci_commit = @merge_request.ci_commit @statuses = @ci_commit.statuses if @ci_commit @note_counts = Note.where(commit_id: @commits.map(&:id)). group(:commit_id).count 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 render action: "new" end end def edit @source_project = @merge_request.source_project @target_project = @merge_request.target_project @target_branches = @merge_request.target_project.repository.branch_names end def update @merge_request = MergeRequests::UpdateService.new(project, current_user, merge_request_params).execute(@merge_request) if @merge_request.valid? respond_to do |format| format.html do redirect_to([@merge_request.target_project.namespace.becomes(Namespace), @merge_request.target_project, @merge_request]) end format.json do render json: @merge_request.to_json(include: { milestone: {}, assignee: { methods: :avatar_url }, labels: { methods: :text_color } }) end end else render "edit" end end def remove_wip MergeRequests::UpdateService.new(project, current_user, title: @merge_request.wipless_title).execute(@merge_request) redirect_to namespace_project_merge_request_path(@project.namespace, @project, @merge_request), notice: "The merge request can now be merged." end def merge_check @merge_request.check_if_can_be_merged render partial: "projects/merge_requests/widget/show.html.haml", layout: false end def cancel_merge_when_build_succeeds return access_denied! unless @merge_request.can_cancel_merge_when_build_succeeds?(current_user) MergeRequests::MergeWhenBuildSucceedsService.new(@project, current_user).cancel(@merge_request) end def merge return access_denied! unless @merge_request.can_be_merged_by?(current_user) unless @merge_request.mergeable? @status = :failed return end TodoService.new.merge_merge_request(merge_request, current_user) @merge_request.update(merge_error: nil) if params[:merge_when_build_succeeds].present? && @merge_request.ci_commit && @merge_request.ci_commit.active? MergeRequests::MergeWhenBuildSucceedsService.new(@project, current_user, merge_params) .execute(@merge_request) @status = :merge_when_build_succeeds else MergeWorker.perform_async(@merge_request.id, current_user.id, params) @status = :success end end def branch_from #This is always source @source_project = @merge_request.nil? ? @project : @merge_request.source_project @commit = @repository.commit(params[:ref]) if params[:ref].present? render layout: false end def branch_to @target_project = selected_target_project @commit = @target_project.commit(params[:ref]) if params[:ref].present? render layout: false end def update_branches @target_project = selected_target_project @target_branches = @target_project.repository.branch_names render layout: false end def ci_status ci_commit = @merge_request.ci_commit if ci_commit status = ci_commit.status coverage = ci_commit.try(:coverage) else ci_service = @merge_request.source_project.ci_service status = ci_service.commit_status(merge_request.last_commit.sha, merge_request.source_branch) if ci_service if ci_service.respond_to?(:commit_coverage) coverage = ci_service.commit_coverage(merge_request.last_commit.sha, merge_request.source_branch) end end status = "preparing" if status.nil? response = { title: merge_request.title, sha: merge_request.last_commit_short_sha, status: status, coverage: coverage } render json: response end protected def selected_target_project if @project.id.to_s == params[:target_project_id] || @project.forked_project_link.nil? @project else @project.forked_project_link.forked_from_project end end def merge_request @merge_request ||= @project.merge_requests.find_by!(iid: params[:id]) end alias_method :subscribable_resource, :merge_request alias_method :issuable, :merge_request def closes_issues @closes_issues ||= @merge_request.closes_issues end def authorize_update_merge_request! return render_404 unless can?(current_user, :update_merge_request, @merge_request) end def authorize_admin_merge_request! return render_404 unless can?(current_user, :admin_merge_request, @merge_request) end def module_enabled return render_404 unless @project.merge_requests_enabled end def validates_merge_request # If source project was removed (Ex. mr from fork to origin) return invalid_mr unless @merge_request.source_project # Show git not found page # if there is no saved commits between source & target branch if @merge_request.commits.blank? # and if target branch doesn't exist return invalid_mr unless @merge_request.target_branch_exists? # or if source branch doesn't exist return invalid_mr unless @merge_request.source_branch_exists? end end def define_show_vars # Build a note object for comment form @note = @project.notes.new(noteable: @merge_request) @notes = @merge_request.mr_and_commit_notes.nonawards.inc_author.fresh @discussions = @notes.discussions @noteable = @merge_request # Get commits from repository # or from cache if already merged @commits = @merge_request.commits @merge_request_diff = @merge_request.merge_request_diff @ci_commit = @merge_request.ci_commit @statuses = @ci_commit.statuses if @ci_commit if @merge_request.locked_long_ago? @merge_request.unlock_mr @merge_request.close end end def define_widget_vars @ci_commit = @merge_request.ci_commit @ci_commits = [@ci_commit].compact closes_issues end def invalid_mr # Render special view for MR with removed source or target branch render 'invalid' end def merge_request_params params.require(:merge_request).permit( :title, :assignee_id, :source_project_id, :source_branch, :target_project_id, :target_branch, :milestone_id, :state_event, :description, :task_num, :force_remove_source_branch, label_ids: [] ) end def merge_params params.permit(:should_remove_source_branch, :commit_message) end # Make sure merge requests created before 8.0 # have head file in refs/merge-requests/ def ensure_ref_fetched @merge_request.ensure_ref_fetched end end