gitlab-org--gitlab-foss/lib/api/merge_requests.rb

548 lines
21 KiB
Ruby

# frozen_string_literal: true
module API
class MergeRequests < Grape::API
include PaginationParams
CONTEXT_COMMITS_POST_LIMIT = 20
before { authenticate_non_get! }
helpers ::Gitlab::IssuableMetadata
helpers Helpers::MergeRequestsHelpers
# EE::API::MergeRequests would override the following helpers
helpers do
params :optional_params_ee do
end
params :optional_merge_requests_search_params do
end
end
def self.update_params_at_least_one_of
%i[
assignee_id
assignee_ids
description
labels
milestone_id
remove_source_branch
state_event
target_branch
title
discussion_locked
squash
]
end
prepend_if_ee('EE::API::MergeRequests') # rubocop: disable Cop/InjectEnterpriseEditionModule
helpers do
# rubocop: disable CodeReuse/ActiveRecord
def find_merge_requests(args = {})
args = declared_params.merge(args)
args[:milestone_title] = args.delete(:milestone)
args[:label_name] = args.delete(:labels)
args[:scope] = args[:scope].underscore if args[:scope]
merge_requests = MergeRequestsFinder.new(current_user, args).execute
.reorder(order_options_with_tie_breaker)
merge_requests = paginate(merge_requests)
.preload(:source_project, :target_project)
return merge_requests if args[:view] == 'simple'
merge_requests
.with_api_entity_associations
end
# rubocop: enable CodeReuse/ActiveRecord
def merge_request_pipelines_with_access
authorize! :read_pipeline, user_project
mr = find_merge_request_with_access(params[:merge_request_iid])
mr.all_pipelines
end
def check_sha_param!(params, merge_request)
if params[:sha] && merge_request.diff_head_sha != params[:sha]
render_api_error!("SHA does not match HEAD of source branch: #{merge_request.diff_head_sha}", 409)
end
end
def automatically_mergeable?(merge_when_pipeline_succeeds, merge_request)
pipeline_active = merge_request.head_pipeline_active? || merge_request.actual_head_pipeline_active?
merge_when_pipeline_succeeds && merge_request.mergeable_state?(skip_ci_check: true) && pipeline_active
end
def immediately_mergeable?(merge_when_pipeline_succeeds, merge_request)
if merge_when_pipeline_succeeds
merge_request.actual_head_pipeline_success?
else
merge_request.mergeable_state?
end
end
def serializer_options_for(merge_requests)
options = { with: Entities::MergeRequestBasic, current_user: current_user, with_labels_details: declared_params[:with_labels_details] }
if params[:view] == 'simple'
options[:with] = Entities::MergeRequestSimple
else
options[:issuable_metadata] = issuable_meta_data(merge_requests, 'MergeRequest', current_user)
end
options
end
def authorize_push_to_merge_request!(merge_request)
forbidden!('Source branch does not exist') unless
merge_request.source_branch_exists?
user_access = Gitlab::UserAccess.new(
current_user,
project: merge_request.source_project
)
forbidden!('Cannot push to source branch') unless
user_access.can_push_to_branch?(merge_request.source_branch)
end
params :merge_requests_params do
use :merge_requests_base_params
use :optional_merge_requests_search_params
use :pagination
end
end
resource :merge_requests do
desc 'List merge requests' do
success Entities::MergeRequestBasic
end
params do
use :merge_requests_params
use :optional_scope_param
end
get do
authenticate! unless params[:scope] == 'all'
merge_requests = find_merge_requests
present merge_requests, serializer_options_for(merge_requests)
end
end
params do
requires :id, type: String, desc: 'The ID of a group'
end
resource :groups, requirements: API::NAMESPACE_OR_PROJECT_REQUIREMENTS do
desc 'Get a list of group merge requests' do
success Entities::MergeRequestBasic
end
params do
use :merge_requests_params
end
get ":id/merge_requests" do
merge_requests = find_merge_requests(group_id: user_group.id, include_subgroups: true)
present merge_requests, serializer_options_for(merge_requests).merge(group: user_group)
end
end
params do
requires :id, type: String, desc: 'The ID of a project'
end
resource :projects, requirements: API::NAMESPACE_OR_PROJECT_REQUIREMENTS do
include TimeTrackingEndpoints
helpers do
def handle_merge_request_errors!(errors)
if errors[:project_access].any?
error!(errors[:project_access], 422)
elsif errors[:branch_conflict].any?
error!(errors[:branch_conflict], 422)
elsif errors[:validate_fork].any?
error!(errors[:validate_fork], 422)
elsif errors[:validate_branches].any?
conflict!(errors[:validate_branches])
elsif errors[:base].any?
error!(errors[:base], 422)
end
render_api_error!(errors, 400)
end
params :optional_params do
optional :description, type: String, desc: 'The description of the merge request'
optional :assignee_id, type: Integer, desc: 'The ID of a user to assign the merge request'
optional :assignee_ids, type: Array[Integer], desc: 'The array of user IDs to assign issue'
optional :milestone_id, type: Integer, desc: 'The ID of a milestone to assign the merge request'
optional :labels, type: Array[String], coerce_with: Validations::Types::LabelsList.coerce, desc: 'Comma-separated list of label names'
optional :remove_source_branch, type: Boolean, desc: 'Remove source branch when merging'
optional :allow_collaboration, type: Boolean, desc: 'Allow commits from members who can merge to the target branch'
optional :allow_maintainer_to_push, type: Boolean, as: :allow_collaboration, desc: '[deprecated] See allow_collaboration'
optional :squash, type: Grape::API::Boolean, desc: 'When true, the commits will be squashed into a single commit on merge'
use :optional_params_ee
end
end
desc 'List merge requests' do
success Entities::MergeRequestBasic
end
params do
use :merge_requests_params
optional :iids, type: Array[Integer], desc: 'The IID array of merge requests'
end
get ":id/merge_requests" do
authorize! :read_merge_request, user_project
merge_requests = find_merge_requests(project_id: user_project.id)
options = serializer_options_for(merge_requests).merge(project: user_project)
options[:project] = user_project
present merge_requests, options
end
desc 'Create a merge request' do
success Entities::MergeRequest
end
params do
requires :title, type: String, desc: 'The title of the merge request'
requires :source_branch, type: String, desc: 'The source branch'
requires :target_branch, type: String, desc: 'The target branch'
optional :target_project_id, type: Integer,
desc: 'The target project of the merge request defaults to the :id of the project'
use :optional_params
end
post ":id/merge_requests" do
Gitlab::QueryLimiting.whitelist('https://gitlab.com/gitlab-org/gitlab-foss/issues/42316')
authorize! :create_merge_request_from, user_project
mr_params = declared_params(include_missing: false)
mr_params[:force_remove_source_branch] = mr_params.delete(:remove_source_branch)
mr_params = convert_parameters_from_legacy_format(mr_params)
merge_request = ::MergeRequests::CreateService.new(user_project, current_user, mr_params).execute
if merge_request.valid?
present merge_request, with: Entities::MergeRequest, current_user: current_user, project: user_project
else
handle_merge_request_errors! merge_request.errors
end
end
desc 'Delete a merge request'
params do
requires :merge_request_iid, type: Integer, desc: 'The IID of a merge request'
end
delete ":id/merge_requests/:merge_request_iid" do
merge_request = find_project_merge_request(params[:merge_request_iid])
authorize!(:destroy_merge_request, merge_request)
destroy_conditionally!(merge_request) do |merge_request|
Issuable::DestroyService.new(user_project, current_user).execute(merge_request)
end
end
params do
requires :merge_request_iid, type: Integer, desc: 'The IID of a merge request'
optional :render_html, type: Boolean, desc: 'Returns the description and title rendered HTML'
optional :include_diverged_commits_count, type: Boolean, desc: 'Returns the commits count behind the target branch'
optional :include_rebase_in_progress, type: Boolean, desc: 'Returns whether a rebase operation is ongoing '
end
desc 'Get a single merge request' do
success Entities::MergeRequest
end
get ':id/merge_requests/:merge_request_iid' do
merge_request = find_merge_request_with_access(params[:merge_request_iid])
present merge_request,
with: Entities::MergeRequest,
current_user: current_user,
project: user_project,
render_html: params[:render_html],
include_diverged_commits_count: params[:include_diverged_commits_count],
include_rebase_in_progress: params[:include_rebase_in_progress]
end
desc 'Get the participants of a merge request' do
success Entities::UserBasic
end
get ':id/merge_requests/:merge_request_iid/participants' do
merge_request = find_merge_request_with_access(params[:merge_request_iid])
participants = ::Kaminari.paginate_array(merge_request.participants)
present paginate(participants), with: Entities::UserBasic
end
desc 'Get the commits of a merge request' do
success Entities::Commit
end
get ':id/merge_requests/:merge_request_iid/commits' do
merge_request = find_merge_request_with_access(params[:merge_request_iid])
commits =
paginate(merge_request.merge_request_diff.merge_request_diff_commits)
.map { |commit| Commit.from_hash(commit.to_hash, merge_request.project) }
present commits, with: Entities::Commit
end
desc 'Get the context commits of a merge request' do
success Entities::Commit
end
get ':id/merge_requests/:merge_request_iid/context_commits' do
merge_request = find_merge_request_with_access(params[:merge_request_iid])
project = merge_request.project
not_found! unless project.context_commits_enabled?
context_commits =
paginate(merge_request.merge_request_context_commits).map(&:to_commit)
present context_commits, with: Entities::Commit
end
params do
requires :commits, type: Array, allow_blank: false, desc: 'List of context commits sha'
end
desc 'create context commits of merge request' do
success Entities::Commit
end
post ':id/merge_requests/:merge_request_iid/context_commits' do
commit_ids = params[:commits]
if commit_ids.size > CONTEXT_COMMITS_POST_LIMIT
render_api_error!("Context commits array size should not be more than #{CONTEXT_COMMITS_POST_LIMIT}", 400)
end
merge_request = find_merge_request_with_access(params[:merge_request_iid])
project = merge_request.project
not_found! unless project.context_commits_enabled?
authorize!(:update_merge_request, merge_request)
project = merge_request.target_project
result = ::MergeRequests::AddContextService.new(project, current_user, merge_request: merge_request, commits: commit_ids).execute
if result.instance_of?(Array)
present result, with: Entities::Commit
else
render_api_error!(result[:message], result[:http_status])
end
end
params do
requires :commits, type: Array, allow_blank: false, desc: 'List of context commits sha'
end
desc 'remove context commits of merge request'
delete ':id/merge_requests/:merge_request_iid/context_commits' do
commit_ids = params[:commits]
merge_request = find_merge_request_with_access(params[:merge_request_iid])
project = merge_request.project
not_found! unless project.context_commits_enabled?
authorize!(:destroy_merge_request, merge_request)
project = merge_request.target_project
commits = project.repository.commits_by(oids: commit_ids)
if commits.size != commit_ids.size
render_api_error!("One or more context commits' sha is not valid.", 400)
end
MergeRequestContextCommit.delete_bulk(merge_request, commits)
status 204
end
desc 'Show the merge request changes' do
success Entities::MergeRequestChanges
end
get ':id/merge_requests/:merge_request_iid/changes' do
merge_request = find_merge_request_with_access(params[:merge_request_iid])
present merge_request, with: Entities::MergeRequestChanges, current_user: current_user, project: user_project
end
desc 'Get the merge request pipelines' do
success Entities::PipelineBasic
end
get ':id/merge_requests/:merge_request_iid/pipelines' do
pipelines = merge_request_pipelines_with_access
present paginate(pipelines), with: Entities::PipelineBasic
end
desc 'Create a pipeline for merge request' do
success Entities::Pipeline
end
post ':id/merge_requests/:merge_request_iid/pipelines' do
authorize! :create_pipeline, user_project
pipeline = ::MergeRequests::CreatePipelineService
.new(user_project, current_user, allow_duplicate: true)
.execute(find_merge_request_with_access(params[:merge_request_iid]))
if pipeline.nil?
not_allowed!
elsif pipeline.persisted?
status :ok
present pipeline, with: Entities::Pipeline
else
render_validation_error!(pipeline)
end
end
desc 'Update a merge request' do
success Entities::MergeRequest
end
params do
optional :title, type: String, allow_blank: false, desc: 'The title of the merge request'
optional :target_branch, type: String, allow_blank: false, desc: 'The target branch'
optional :state_event, type: String, values: %w[close reopen],
desc: 'Status of the merge request'
optional :discussion_locked, type: Boolean, desc: 'Whether the MR discussion is locked'
use :optional_params
at_least_one_of(*::API::MergeRequests.update_params_at_least_one_of)
end
put ':id/merge_requests/:merge_request_iid' do
Gitlab::QueryLimiting.whitelist('https://gitlab.com/gitlab-org/gitlab-foss/issues/42318')
merge_request = find_merge_request_with_access(params.delete(:merge_request_iid), :update_merge_request)
mr_params = declared_params(include_missing: false)
mr_params[:force_remove_source_branch] = mr_params.delete(:remove_source_branch) if mr_params.has_key?(:remove_source_branch)
mr_params = convert_parameters_from_legacy_format(mr_params)
merge_request = ::MergeRequests::UpdateService.new(user_project, current_user, mr_params).execute(merge_request)
if merge_request.valid?
present merge_request, with: Entities::MergeRequest, current_user: current_user, project: user_project
else
handle_merge_request_errors! merge_request.errors
end
end
desc 'Merge a merge request' do
success Entities::MergeRequest
end
params do
optional :merge_commit_message, type: String, desc: 'Custom merge commit message'
optional :squash_commit_message, type: String, desc: 'Custom squash commit message'
optional :should_remove_source_branch, type: Boolean,
desc: 'When true, the source branch will be deleted if possible'
optional :merge_when_pipeline_succeeds, type: Boolean,
desc: 'When true, this merge request will be merged when the pipeline succeeds'
optional :sha, type: String, desc: 'When present, must have the HEAD SHA of the source branch'
optional :squash, type: Grape::API::Boolean, desc: 'When true, the commits will be squashed into a single commit on merge'
end
put ':id/merge_requests/:merge_request_iid/merge' do
Gitlab::QueryLimiting.whitelist('https://gitlab.com/gitlab-org/gitlab-foss/issues/42317')
merge_request = find_project_merge_request(params[:merge_request_iid])
# Merge request can not be merged
# because user dont have permissions to push into target branch
unauthorized! unless merge_request.can_be_merged_by?(current_user)
merge_when_pipeline_succeeds = to_boolean(params[:merge_when_pipeline_succeeds])
automatically_mergeable = automatically_mergeable?(merge_when_pipeline_succeeds, merge_request)
immediately_mergeable = immediately_mergeable?(merge_when_pipeline_succeeds, merge_request)
not_allowed! if !immediately_mergeable && !automatically_mergeable
render_api_error!('Branch cannot be merged', 406) unless merge_request.mergeable?(skip_ci_check: automatically_mergeable)
check_sha_param!(params, merge_request)
merge_request.update(squash: params[:squash]) if params[:squash]
merge_params = HashWithIndifferentAccess.new(
commit_message: params[:merge_commit_message],
squash_commit_message: params[:squash_commit_message],
should_remove_source_branch: params[:should_remove_source_branch],
sha: params[:sha] || merge_request.diff_head_sha
)
if immediately_mergeable
::MergeRequests::MergeService
.new(merge_request.target_project, current_user, merge_params)
.execute(merge_request)
elsif automatically_mergeable
AutoMergeService.new(merge_request.target_project, current_user, merge_params)
.execute(merge_request, AutoMergeService::STRATEGY_MERGE_WHEN_PIPELINE_SUCCEEDS)
end
present merge_request, with: Entities::MergeRequest, current_user: current_user, project: user_project
end
desc 'Returns the up to date merge-ref HEAD commit'
get ':id/merge_requests/:merge_request_iid/merge_ref' do
merge_request = find_project_merge_request(params[:merge_request_iid])
result = ::MergeRequests::MergeabilityCheckService.new(merge_request).execute(recheck: true)
if result.success?
present :commit_id, result.payload.dig(:merge_ref_head, :commit_id)
else
render_api_error!(result.message, 400)
end
end
desc 'Cancel merge if "Merge When Pipeline Succeeds" is enabled' do
success Entities::MergeRequest
end
post ':id/merge_requests/:merge_request_iid/cancel_merge_when_pipeline_succeeds' do
merge_request = find_project_merge_request(params[:merge_request_iid])
unauthorized! unless merge_request.can_cancel_auto_merge?(current_user)
AutoMergeService.new(merge_request.target_project, current_user).cancel(merge_request)
end
desc 'Rebase the merge request against its target branch' do
detail 'This feature was added in GitLab 11.6'
end
params do
optional :skip_ci, type: Boolean, desc: 'Do not create CI pipeline'
end
put ':id/merge_requests/:merge_request_iid/rebase' do
merge_request = find_project_merge_request(params[:merge_request_iid])
authorize_push_to_merge_request!(merge_request)
merge_request.rebase_async(current_user.id, skip_ci: params[:skip_ci])
status :accepted
present rebase_in_progress: merge_request.rebase_in_progress?
rescue ::MergeRequest::RebaseLockTimeout => e
render_api_error!(e.message, 409)
end
desc 'List issues that will be closed on merge' do
success Entities::MRNote
end
params do
use :pagination
end
get ':id/merge_requests/:merge_request_iid/closes_issues' do
merge_request = find_merge_request_with_access(params[:merge_request_iid])
issues = ::Kaminari.paginate_array(merge_request.visible_closing_issues_for(current_user))
issues = paginate(issues)
external_issues, internal_issues = issues.partition { |issue| issue.is_a?(ExternalIssue) }
data = Entities::IssueBasic.represent(internal_issues, current_user: current_user)
data += Entities::ExternalIssue.represent(external_issues, current_user: current_user)
data.as_json
end
end
end
end