545 lines
		
	
	
		
			18 KiB
		
	
	
	
		
			Ruby
		
	
	
	
			
		
		
	
	
			545 lines
		
	
	
		
			18 KiB
		
	
	
	
		
			Ruby
		
	
	
	
| # frozen_string_literal: true
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| 
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| class Projects::MergeRequestsController < Projects::MergeRequests::ApplicationController
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|   include ToggleSubscriptionAction
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|   include IssuableActions
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|   include RendersNotes
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|   include RendersCommits
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|   include RendersAssignees
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|   include ToggleAwardEmoji
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|   include IssuableCollections
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|   include RecordUserLastActivity
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|   include SourcegraphDecorator
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|   include DiffHelper
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|   include Gitlab::Cache::Helpers
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| 
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|   skip_before_action :merge_request, only: [:index, :bulk_update, :export_csv]
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|   before_action :apply_diff_view_cookie!, only: [:show]
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|   before_action :disable_query_limiting, only: [:assign_related_issues, :update]
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|   before_action :authorize_update_issuable!, only: [:close, :edit, :update, :remove_wip, :sort]
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|   before_action :authorize_read_actual_head_pipeline!, only: [
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|     :test_reports,
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|     :exposed_artifacts,
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|     :coverage_reports,
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|     :terraform_reports,
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|     :accessibility_reports,
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|     :codequality_reports,
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|     :codequality_mr_diff_reports
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|   ]
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|   before_action :set_issuables_index, only: [:index]
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|   before_action :authenticate_user!, only: [:assign_related_issues]
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|   before_action :check_user_can_push_to_source_branch!, only: [:rebase]
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|   before_action only: [:show] do
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|     push_frontend_feature_flag(:file_identifier_hash)
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|     push_frontend_feature_flag(:merge_request_widget_graphql, @project, default_enabled: :yaml)
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|     push_frontend_feature_flag(:default_merge_ref_for_diffs, @project, default_enabled: :yaml)
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|     push_frontend_feature_flag(:core_security_mr_widget_counts, @project)
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|     push_frontend_feature_flag(:local_file_reviews, default_enabled: :yaml)
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|     push_frontend_feature_flag(:paginated_notes, @project, default_enabled: :yaml)
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|     push_frontend_feature_flag(:confidential_notes, @project, default_enabled: :yaml)
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|     push_frontend_feature_flag(:usage_data_i_testing_summary_widget_total, @project, default_enabled: :yaml)
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|     push_frontend_feature_flag(:improved_emoji_picker, project, default_enabled: :yaml)
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|     push_frontend_feature_flag(:diffs_virtual_scrolling, project, default_enabled: :yaml)
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| 
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|     # Usage data feature flags
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|     push_frontend_feature_flag(:users_expanding_widgets_usage_data, @project, default_enabled: :yaml)
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|     push_frontend_feature_flag(:diff_settings_usage_data, default_enabled: :yaml)
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|     push_frontend_feature_flag(:diff_searching_usage_data, @project, default_enabled: :yaml)
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| 
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|     experiment(:invite_members_in_comment, namespace: @project.root_ancestor) do |experiment_instance|
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|       experiment_instance.exclude! unless helpers.can_import_members?
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| 
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|       experiment_instance.use {}
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|       experiment_instance.try(:invite_member_link) {}
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| 
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|       experiment_instance.track(:view, property: @project.root_ancestor.id.to_s)
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|     end
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|   end
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| 
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|   before_action do
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|     push_frontend_feature_flag(:show_relevant_approval_rule_approvers, @project, default_enabled: :yaml)
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|   end
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| 
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|   around_action :allow_gitaly_ref_name_caching, only: [:index, :show, :discussions]
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| 
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|   after_action :log_merge_request_show, only: [:show]
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| 
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|   feature_category :code_review, [
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|                      :assign_related_issues, :bulk_update, :cancel_auto_merge,
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|                      :commit_change_content, :commits, :context_commits, :destroy,
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|                      :discussions, :edit, :index, :merge, :rebase, :remove_wip,
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|                      :show, :toggle_award_emoji, :toggle_subscription, :update
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|                    ]
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| 
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|   feature_category :code_testing, [
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|                      :test_reports, :coverage_reports, :codequality_reports,
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|                      :codequality_mr_diff_reports
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|                    ]
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| 
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|   feature_category :accessibility_testing, [:accessibility_reports]
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|   feature_category :infrastructure_as_code, [:terraform_reports]
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|   feature_category :continuous_integration, [:pipeline_status, :pipelines, :exposed_artifacts]
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| 
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|   def index
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|     @merge_requests = @issuables
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| 
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|     respond_to do |format|
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|       format.html
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|       format.json do
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|         render json: {
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|           html: view_to_html_string("projects/merge_requests/_merge_requests")
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|         }
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|       end
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|     end
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|   end
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| 
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|   # rubocop:disable Metrics/AbcSize
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|   def show
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|     close_merge_request_if_no_source_project
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| 
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|     if Feature.disabled?(:check_mergeability_async_in_widget, @project, default_enabled: :yaml)
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|       @merge_request.check_mergeability(async: true)
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|     end
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| 
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|     respond_to do |format|
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|       format.html do
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|         # use next to appease Rubocop
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|         next render('invalid') if target_branch_missing?
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| 
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|         preload_assignees_for_render(@merge_request)
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| 
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|         # Build a note object for comment form
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|         @note = @project.notes.new(noteable: @merge_request)
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| 
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|         @noteable = @merge_request
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|         @commits_count = @merge_request.commits_count + @merge_request.context_commits_count
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|         @diffs_count = get_diffs_count
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|         @issuable_sidebar = serializer.represent(@merge_request, serializer: 'sidebar')
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|         @current_user_data = UserSerializer.new(project: @project).represent(current_user, {}, MergeRequestCurrentUserEntity).to_json
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|         @show_whitespace_default = current_user.nil? || current_user.show_whitespace_in_diffs
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|         @file_by_file_default = current_user&.view_diffs_file_by_file
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|         @coverage_path = coverage_reports_project_merge_request_path(@project, @merge_request, format: :json) if @merge_request.has_coverage_reports?
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|         @update_current_user_path = expose_path(api_v4_user_preferences_path)
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|         @endpoint_metadata_url = endpoint_metadata_url(@project, @merge_request)
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| 
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|         set_pipeline_variables
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| 
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|         render
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|       end
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| 
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|       format.json do
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|         Gitlab::PollingInterval.set_header(response, interval: 10_000)
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| 
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|         if params[:serializer] == 'sidebar_extras' && Feature.enabled?(:merge_request_show_render_cached, @project, default_enabled: :yaml)
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|           render_cached(@merge_request,
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|                         with: serializer,
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|                         cache_context: -> (_) { [params[:serializer], current_user&.cache_key, project.emails_disabled?, issuable.subscribed?(current_user, project)] },
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|                         serializer: params[:serializer])
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|         else
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|           render json: serializer.represent(@merge_request, serializer: params[:serializer])
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|         end
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|       end
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| 
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|       format.patch do
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|         break render_404 unless @merge_request.diff_refs
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| 
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|         send_git_patch @project.repository, @merge_request.diff_refs
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|       end
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| 
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|       format.diff do
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|         break render_404 unless @merge_request.diff_refs
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| 
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|         send_git_diff @project.repository, @merge_request.diff_refs
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|       end
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|     end
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|   end
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|   # rubocop:enable Metrics/AbcSize
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| 
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|   def commits
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|     # Get context commits from repository
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|     @context_commits =
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|       set_commits_for_rendering(
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|         @merge_request.recent_context_commits
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|       )
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| 
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|     # Get commits from repository
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|     # or from cache if already merged
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|     @commits =
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|       set_commits_for_rendering(
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|         @merge_request.recent_commits.with_latest_pipeline(@merge_request.source_branch).with_markdown_cache,
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|         commits_count: @merge_request.commits_count
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|       )
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| 
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|     render json: { html: view_to_html_string('projects/merge_requests/_commits') }
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|   end
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| 
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|   def pipelines
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|     set_pipeline_variables
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|     @pipelines = @pipelines.page(params[:page])
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| 
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|     Gitlab::PollingInterval.set_header(response, interval: 10_000)
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| 
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|     render json: {
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|       pipelines: PipelineSerializer
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|         .new(project: @project, current_user: @current_user)
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|         .with_pagination(request, response)
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|         .represent(@pipelines),
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|       count: {
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|         all: @pipelines.count
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|       }
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|     }
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|   end
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| 
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|   def sast_reports
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|     reports_response(merge_request.compare_sast_reports(current_user), head_pipeline)
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|   end
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| 
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|   def secret_detection_reports
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|     reports_response(merge_request.compare_secret_detection_reports(current_user), head_pipeline)
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|   end
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| 
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|   def context_commits
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|     return render_404 unless project.context_commits_enabled?
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| 
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|     # Get commits from repository
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|     # or from cache if already merged
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|     commits = ContextCommitsFinder.new(project, @merge_request, { search: params[:search], limit: params[:limit], offset: params[:offset] }).execute
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|     render json: CommitEntity.represent(commits, { type: :full, request: merge_request })
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|   end
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| 
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|   def test_reports
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|     reports_response(@merge_request.compare_test_reports)
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|   end
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| 
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|   def accessibility_reports
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|     if @merge_request.has_accessibility_reports?
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|       reports_response(@merge_request.compare_accessibility_reports)
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|     else
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|       head :no_content
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|     end
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|   end
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| 
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|   def coverage_reports
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|     if @merge_request.has_coverage_reports?
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|       reports_response(@merge_request.find_coverage_reports)
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|     else
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|       head :no_content
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|     end
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|   end
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| 
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|   def codequality_mr_diff_reports
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|     reports_response(@merge_request.find_codequality_mr_diff_reports, head_pipeline)
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|   end
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| 
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|   def codequality_reports
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|     reports_response(@merge_request.compare_codequality_reports)
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|   end
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| 
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|   def terraform_reports
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|     reports_response(@merge_request.find_terraform_reports)
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|   end
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| 
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|   def exposed_artifacts
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|     if @merge_request.has_exposed_artifacts?
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|       reports_response(@merge_request.find_exposed_artifacts)
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|     else
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|       head :no_content
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|     end
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|   end
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| 
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|   def edit
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|     define_edit_vars
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|   end
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| 
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|   def update
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|     @merge_request = ::MergeRequests::UpdateService.new(project: project, current_user: current_user, params: merge_request_update_params).execute(@merge_request)
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| 
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|     respond_to do |format|
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|       format.html do
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|         if @merge_request.errors.present?
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|           define_edit_vars
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| 
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|           render :edit
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|         else
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|           redirect_to project_merge_request_path(@merge_request.target_project, @merge_request)
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|         end
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|       end
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| 
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|       format.json do
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|         if merge_request.errors.present?
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|           render json: @merge_request.errors, status: :bad_request
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|         else
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|           render json: serializer.represent(@merge_request, serializer: 'basic')
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|         end
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|       end
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|     end
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|   rescue ActiveRecord::StaleObjectError
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|     define_edit_vars if request.format.html?
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| 
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|     render_conflict_response
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|   end
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| 
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|   def remove_wip
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|     @merge_request = ::MergeRequests::UpdateService
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|       .new(project: project, current_user: current_user, params: { wip_event: 'unwip' })
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|       .execute(@merge_request)
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| 
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|     render json: serialize_widget(@merge_request)
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|   end
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| 
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|   def commit_change_content
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|     render partial: 'projects/merge_requests/widget/commit_change_content', layout: false
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|   end
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| 
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|   def cancel_auto_merge
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|     unless @merge_request.can_cancel_auto_merge?(current_user)
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|       return access_denied!
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|     end
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| 
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|     AutoMergeService.new(project, current_user).cancel(@merge_request)
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| 
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|     render json: serialize_widget(@merge_request)
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|   end
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| 
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|   def merge
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|     access_check_result = merge_access_check
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| 
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|     return access_check_result if access_check_result
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| 
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|     status = merge!
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| 
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|     if @merge_request.merge_error
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|       render json: { status: status, merge_error: @merge_request.merge_error }
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|     else
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|       render json: { status: status }
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|     end
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|   end
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| 
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|   def assign_related_issues
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|     result = ::MergeRequests::AssignIssuesService.new(project: project, current_user: current_user, params: { merge_request: @merge_request }).execute
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| 
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|     case result[:count]
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|     when 0
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|       flash[:error] = "Failed to assign you issues related to the merge request"
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|     when 1
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|       flash[:notice] = "1 issue has been assigned to you"
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|     else
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|       flash[:notice] = "#{result[:count]} issues have been assigned to you"
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|     end
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| 
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|     redirect_to(merge_request_path(@merge_request))
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|   end
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| 
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|   def pipeline_status
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|     render json: PipelineSerializer
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|       .new(project: @project, current_user: @current_user)
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|       .represent_status(head_pipeline)
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|   end
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| 
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|   def ci_environments_status
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|     environments =
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|       if ci_environments_status_on_merge_result?
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|         EnvironmentStatus.for_deployed_merge_request(@merge_request, current_user)
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|       else
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|         EnvironmentStatus.for_merge_request(@merge_request, current_user)
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|       end
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| 
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|     render json: EnvironmentStatusSerializer.new(current_user: current_user).represent(environments)
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|   end
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| 
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|   def rebase
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|     @merge_request.rebase_async(current_user.id)
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| 
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|     head :ok
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|   rescue MergeRequest::RebaseLockTimeout => e
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|     render json: { merge_error: e.message }, status: :conflict
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|   end
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| 
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|   def discussions
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|     merge_request.discussions_diffs.load_highlight
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| 
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|     super
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|   end
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| 
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|   def export_csv
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|     IssuableExportCsvWorker.perform_async(:merge_request, current_user.id, project.id, finder_options.to_h) # rubocop:disable CodeReuse/Worker
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| 
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|     index_path = project_merge_requests_path(project)
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|     message = _('Your CSV export has started. It will be emailed to %{email} when complete.') % { email: current_user.notification_email }
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|     redirect_to(index_path, notice: message)
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|   end
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| 
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|   protected
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| 
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|   alias_method :subscribable_resource, :merge_request
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|   alias_method :issuable, :merge_request
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|   alias_method :awardable, :merge_request
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| 
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|   def sorting_field
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|     MergeRequest::SORTING_PREFERENCE_FIELD
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|   end
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| 
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|   def merge_params
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|     params.permit(merge_params_attributes)
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|   end
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| 
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|   def merge_params_attributes
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|     MergeRequest::KNOWN_MERGE_PARAMS
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|   end
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| 
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|   def auto_merge_requested?
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|     # Support params[:merge_when_pipeline_succeeds] during the transition period
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|     params[:auto_merge_strategy].present? || params[:merge_when_pipeline_succeeds].present?
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|   end
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| 
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|   private
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| 
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|   def get_diffs_count
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|     if show_only_context_commits?
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|       @merge_request.context_commits_diff.raw_diffs.size
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|     else
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|       @merge_request.diff_size
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|     end
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|   end
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| 
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|   def merge_request_update_params
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|     merge_request_params.merge!(params.permit(:merge_request_diff_head_sha))
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|   end
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| 
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|   def head_pipeline
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|     strong_memoize(:head_pipeline) do
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|       pipeline = @merge_request.head_pipeline
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|       pipeline if can?(current_user, :read_pipeline, pipeline)
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|     end
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|   end
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| 
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|   def ci_environments_status_on_merge_result?
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|     params[:environment_target] == 'merge_commit'
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|   end
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| 
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|   def target_branch_missing?
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|     @merge_request.has_no_commits? && !@merge_request.target_branch_exists?
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|   end
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| 
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|   def merge!
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|     # Disable the CI check if auto_merge_strategy is specified since we have
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|     # to wait until CI completes to know
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|     unless @merge_request.mergeable?(skip_ci_check: auto_merge_requested?)
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|       return :failed
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|     end
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| 
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|     merge_service = ::MergeRequests::MergeService.new(project: @project, current_user: current_user, params: merge_params)
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| 
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|     unless merge_service.hooks_validation_pass?(@merge_request)
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|       return :hook_validation_error
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|     end
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| 
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|     return :sha_mismatch if params[:sha] != @merge_request.diff_head_sha
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| 
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|     @merge_request.update(merge_error: nil, squash: params.fetch(:squash, false))
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| 
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|     if auto_merge_requested?
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|       if merge_request.auto_merge_enabled?
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|         # TODO: We should have a dedicated endpoint for updating merge params.
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|         #       See https://gitlab.com/gitlab-org/gitlab-foss/issues/63130.
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|         AutoMergeService.new(project, current_user, merge_params).update(merge_request)
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|       else
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|         AutoMergeService.new(project, current_user, merge_params)
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|           .execute(merge_request,
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|                    params[:auto_merge_strategy] || AutoMergeService::STRATEGY_MERGE_WHEN_PIPELINE_SUCCEEDS)
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|       end
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|     else
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|       @merge_request.merge_async(current_user.id, merge_params)
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| 
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|       :success
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|     end
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|   end
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| 
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|   def serialize_widget(merge_request)
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|     cached_data = serializer.represent(merge_request, serializer: 'poll_cached_widget')
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|     widget_data = serializer.represent(merge_request, serializer: 'poll_widget')
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|     cached_data.merge!(widget_data)
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|   end
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| 
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|   def serializer
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|     @serializer ||= MergeRequestSerializer.new(current_user: current_user, project: merge_request.project)
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|   end
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| 
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|   def define_edit_vars
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|     @source_project = @merge_request.source_project
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|     @target_project = @merge_request.target_project
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|     @noteable = @merge_request
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| 
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|     # FIXME: We have to assign a presenter to another instance variable
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|     # due to class_name checks being made with issuable classes
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|     @mr_presenter = @merge_request.present(current_user: current_user)
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|   end
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| 
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|   def finder_type
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|     MergeRequestsFinder
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|   end
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| 
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|   def check_user_can_push_to_source_branch!
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|     return access_denied! unless @merge_request.source_branch_exists?
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| 
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|     access_check = ::Gitlab::UserAccess
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|       .new(current_user, container: @merge_request.source_project)
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|       .can_push_to_branch?(@merge_request.source_branch)
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| 
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|     access_denied! unless access_check
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|   end
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| 
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|   def merge_access_check
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|     access_denied! unless @merge_request.can_be_merged_by?(current_user)
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|   end
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| 
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|   def disable_query_limiting
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|     # Also see https://gitlab.com/gitlab-org/gitlab/-/issues/20827
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|     Gitlab::QueryLimiting.disable!('https://gitlab.com/gitlab-org/gitlab/-/issues/20824')
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|   end
 | |
| 
 | |
|   def reports_response(report_comparison, pipeline = nil)
 | |
|     if pipeline&.active?
 | |
|       ::Gitlab::PollingInterval.set_header(response, interval: 3000)
 | |
| 
 | |
|       render json: '', status: :no_content && return
 | |
|     end
 | |
| 
 | |
|     case report_comparison[:status]
 | |
|     when :parsing
 | |
|       ::Gitlab::PollingInterval.set_header(response, interval: 3000)
 | |
| 
 | |
|       render json: '', status: :no_content
 | |
|     when :parsed
 | |
|       render json: report_comparison[:data].to_json, status: :ok
 | |
|     when :error
 | |
|       render json: { status_reason: report_comparison[:status_reason] }, status: :bad_request
 | |
|     else
 | |
|       raise "Failed to build comparison response as comparison yielded unknown status '#{report_comparison[:status]}'"
 | |
|     end
 | |
|   end
 | |
| 
 | |
|   def log_merge_request_show
 | |
|     return unless current_user && @merge_request
 | |
| 
 | |
|     ::Gitlab::Search::RecentMergeRequests.new(user: current_user).log_view(@merge_request)
 | |
|   end
 | |
| 
 | |
|   def authorize_read_actual_head_pipeline!
 | |
|     return render_404 unless can?(current_user, :read_build, merge_request.actual_head_pipeline)
 | |
|   end
 | |
| 
 | |
|   def endpoint_metadata_url(project, merge_request)
 | |
|     params = request.query_parameters
 | |
|     params[:view] = "inline"
 | |
| 
 | |
|     if Feature.enabled?(:default_merge_ref_for_diffs, project, default_enabled: :yaml)
 | |
|       params = params.merge(diff_head: true)
 | |
|     end
 | |
| 
 | |
|     diffs_metadata_project_json_merge_request_path(project, merge_request, 'json', params)
 | |
|   end
 | |
| end
 | |
| 
 | |
| Projects::MergeRequestsController.prepend_mod_with('Projects::MergeRequestsController')
 |