debian-mirror-gitlab/app/controllers/projects/merge_requests_controller.rb
2020-04-22 19:07:51 +05:30

406 lines
12 KiB
Ruby

# frozen_string_literal: true
class Projects::MergeRequestsController < Projects::MergeRequests::ApplicationController
include ToggleSubscriptionAction
include IssuableActions
include RendersNotes
include RendersCommits
include RendersAssignees
include ToggleAwardEmoji
include IssuableCollections
include RecordUserLastActivity
include SourcegraphDecorator
skip_before_action :merge_request, only: [:index, :bulk_update]
before_action :whitelist_query_limiting, only: [:assign_related_issues, :update]
before_action :authorize_update_issuable!, only: [:close, :edit, :update, :remove_wip, :sort]
before_action :authorize_read_actual_head_pipeline!, only: [:test_reports, :exposed_artifacts, :coverage_reports]
before_action :set_issuables_index, only: [:index]
before_action :authenticate_user!, only: [:assign_related_issues]
before_action :check_user_can_push_to_source_branch!, only: [:rebase]
before_action only: [:show] do
push_frontend_feature_flag(:diffs_batch_load, @project, default_enabled: true)
push_frontend_feature_flag(:deploy_from_footer, @project, default_enabled: true)
push_frontend_feature_flag(:single_mr_diff_view, @project, default_enabled: true)
push_frontend_feature_flag(:suggest_pipeline) if experiment_enabled?(:suggest_pipeline)
push_frontend_feature_flag(:code_navigation, @project)
push_frontend_feature_flag(:widget_visibility_polling, @project, default_enabled: true)
push_frontend_feature_flag(:merge_ref_head_comments, @project)
end
before_action do
push_frontend_feature_flag(:vue_issuable_sidebar, @project.group)
end
around_action :allow_gitaly_ref_name_caching, only: [:index, :show, :discussions]
def index
@merge_requests = @issuables
respond_to do |format|
format.html
format.json do
render json: {
html: view_to_html_string("projects/merge_requests/_merge_requests")
}
end
end
end
def show
close_merge_request_if_no_source_project
@merge_request.check_mergeability(async: true)
respond_to do |format|
format.html do
# use next to appease Rubocop
next render('invalid') if target_branch_missing?
preload_assignees_for_render(@merge_request)
# Build a note object for comment form
@note = @project.notes.new(noteable: @merge_request)
@noteable = @merge_request
@commits_count = @merge_request.commits_count
@issuable_sidebar = serializer.represent(@merge_request, serializer: 'sidebar')
@current_user_data = UserSerializer.new(project: @project).represent(current_user, {}, MergeRequestUserEntity).to_json
@show_whitespace_default = current_user.nil? || current_user.show_whitespace_in_diffs
@coverage_path = coverage_reports_project_merge_request_path(@project, @merge_request, format: :json) if @merge_request.has_coverage_reports?
set_pipeline_variables
render
end
format.json do
Gitlab::PollingInterval.set_header(response, interval: 10_000)
render json: serializer.represent(@merge_request, serializer: params[:serializer])
end
format.patch do
break render_404 unless @merge_request.diff_refs
send_git_patch @project.repository, @merge_request.diff_refs
end
format.diff do
break render_404 unless @merge_request.diff_refs
send_git_diff @project.repository, @merge_request.diff_refs
end
end
end
def commits
# Get commits from repository
# or from cache if already merged
@commits =
set_commits_for_rendering(
@merge_request.recent_commits.with_latest_pipeline(@merge_request.source_branch),
commits_count: @merge_request.commits_count
)
render json: { html: view_to_html_string('projects/merge_requests/_commits') }
end
def pipelines
set_pipeline_variables
@pipelines = @pipelines.page(params[:page]).per(30)
Gitlab::PollingInterval.set_header(response, interval: 10_000)
render json: {
pipelines: PipelineSerializer
.new(project: @project, current_user: @current_user)
.with_pagination(request, response)
.represent(@pipelines),
count: {
all: @pipelines.count
}
}
end
def context_commits
return render_404 unless project.context_commits_enabled?
# Get commits from repository
# or from cache if already merged
commits = ContextCommitsFinder.new(project, @merge_request, { search: params[:search], limit: params[:limit], offset: params[:offset] }).execute
render json: CommitEntity.represent(commits, { type: :full, request: merge_request })
end
def test_reports
reports_response(@merge_request.compare_test_reports)
end
def coverage_reports
if @merge_request.has_coverage_reports?
reports_response(@merge_request.find_coverage_reports)
else
head :no_content
end
end
def exposed_artifacts
if @merge_request.has_exposed_artifacts?
reports_response(@merge_request.find_exposed_artifacts)
else
head :no_content
end
end
def edit
define_edit_vars
end
def update
@merge_request = ::MergeRequests::UpdateService.new(project, current_user, merge_request_params).execute(@merge_request)
respond_to do |format|
format.html do
if @merge_request.errors.present?
define_edit_vars
render :edit
else
redirect_to project_merge_request_path(@merge_request.target_project, @merge_request)
end
end
format.json do
if merge_request.errors.present?
render json: @merge_request.errors, status: :bad_request
else
render json: serializer.represent(@merge_request, serializer: 'basic')
end
end
end
rescue ActiveRecord::StaleObjectError
define_edit_vars if request.format.html?
render_conflict_response
end
def remove_wip
@merge_request = ::MergeRequests::UpdateService
.new(project, current_user, wip_event: 'unwip')
.execute(@merge_request)
render json: serialize_widget(@merge_request)
end
def commit_change_content
render partial: 'projects/merge_requests/widget/commit_change_content', layout: false
end
def cancel_auto_merge
unless @merge_request.can_cancel_auto_merge?(current_user)
return access_denied!
end
AutoMergeService.new(project, current_user).cancel(@merge_request)
render json: serialize_widget(@merge_request)
end
def merge
access_check_result = merge_access_check
return access_check_result if access_check_result
status = merge!
if @merge_request.merge_error
render json: { status: status, merge_error: @merge_request.merge_error }
else
render json: { status: status }
end
end
def assign_related_issues
result = ::MergeRequests::AssignIssuesService.new(project, current_user, merge_request: @merge_request).execute
case result[:count]
when 0
flash[:error] = "Failed to assign you issues related to the merge request"
when 1
flash[:notice] = "1 issue has been assigned to you"
else
flash[:notice] = "#{result[:count]} issues have been assigned to you"
end
redirect_to(merge_request_path(@merge_request))
end
def pipeline_status
render json: PipelineSerializer
.new(project: @project, current_user: @current_user)
.represent_status(head_pipeline)
end
def ci_environments_status
environments =
if ci_environments_status_on_merge_result?
EnvironmentStatus.for_deployed_merge_request(@merge_request, current_user)
else
EnvironmentStatus.for_merge_request(@merge_request, current_user)
end
render json: EnvironmentStatusSerializer.new(current_user: current_user).represent(environments)
end
def rebase
@merge_request.rebase_async(current_user.id)
head :ok
rescue MergeRequest::RebaseLockTimeout => e
render json: { merge_error: e.message }, status: :conflict
end
def discussions
merge_request.discussions_diffs.load_highlight
super
end
protected
alias_method :subscribable_resource, :merge_request
alias_method :issuable, :merge_request
alias_method :awardable, :merge_request
def sorting_field
MergeRequest::SORTING_PREFERENCE_FIELD
end
def merge_params
params.permit(merge_params_attributes)
end
def merge_params_attributes
MergeRequest::KNOWN_MERGE_PARAMS
end
def auto_merge_requested?
# Support params[:merge_when_pipeline_succeeds] during the transition period
params[:auto_merge_strategy].present? || params[:merge_when_pipeline_succeeds].present?
end
private
def head_pipeline
strong_memoize(:head_pipeline) do
pipeline = @merge_request.head_pipeline
pipeline if can?(current_user, :read_pipeline, pipeline)
end
end
def ci_environments_status_on_merge_result?
params[:environment_target] == 'merge_commit'
end
def target_branch_missing?
@merge_request.has_no_commits? && !@merge_request.target_branch_exists?
end
def merge!
# Disable the CI check if auto_merge_strategy is specified since we have
# to wait until CI completes to know
unless @merge_request.mergeable?(skip_ci_check: auto_merge_requested?)
return :failed
end
merge_service = ::MergeRequests::MergeService.new(@project, current_user, merge_params)
unless merge_service.hooks_validation_pass?(@merge_request)
return :hook_validation_error
end
return :sha_mismatch if params[:sha] != @merge_request.diff_head_sha
@merge_request.update(merge_error: nil, squash: params.fetch(:squash, false))
if auto_merge_requested?
if merge_request.auto_merge_enabled?
# TODO: We should have a dedicated endpoint for updating merge params.
# See https://gitlab.com/gitlab-org/gitlab-foss/issues/63130.
AutoMergeService.new(project, current_user, merge_params).update(merge_request)
else
AutoMergeService.new(project, current_user, merge_params)
.execute(merge_request,
params[:auto_merge_strategy] || AutoMergeService::STRATEGY_MERGE_WHEN_PIPELINE_SUCCEEDS)
end
else
@merge_request.merge_async(current_user.id, merge_params)
:success
end
end
def serialize_widget(merge_request)
cached_data = serializer.represent(merge_request, serializer: 'poll_cached_widget')
widget_data = serializer.represent(merge_request, serializer: 'poll_widget')
cached_data.merge!(widget_data)
end
def serializer
@serializer ||= MergeRequestSerializer.new(current_user: current_user, project: merge_request.project)
end
def define_edit_vars
@source_project = @merge_request.source_project
@target_project = @merge_request.target_project
@target_branches = @merge_request.target_project.repository.branch_names
@noteable = @merge_request
# FIXME: We have to assign a presenter to another instance variable
# due to class_name checks being made with issuable classes
@mr_presenter = @merge_request.present(current_user: current_user)
end
def finder_type
MergeRequestsFinder
end
def check_user_can_push_to_source_branch!
return access_denied! unless @merge_request.source_branch_exists?
access_check = ::Gitlab::UserAccess
.new(current_user, project: @merge_request.source_project)
.can_push_to_branch?(@merge_request.source_branch)
access_denied! unless access_check
end
def merge_access_check
access_denied! unless @merge_request.can_be_merged_by?(current_user)
end
def whitelist_query_limiting
# Also see https://gitlab.com/gitlab-org/gitlab-foss/issues/42441
Gitlab::QueryLimiting.whitelist('https://gitlab.com/gitlab-org/gitlab-foss/issues/42438')
end
def reports_response(report_comparison)
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 authorize_read_actual_head_pipeline!
return render_404 unless can?(current_user, :read_build, merge_request.actual_head_pipeline)
end
end
Projects::MergeRequestsController.prepend_if_ee('EE::Projects::MergeRequestsController')