gitlab-org--gitlab-foss/lib/api/merge_requests.rb
2017-02-16 15:32:01 +01:00

269 lines
11 KiB
Ruby

module API
class MergeRequests < Grape::API
include PaginationParams
before { authenticate! }
params do
requires :id, type: String, desc: 'The ID of a project'
end
resource :projects 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])
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 :milestone_id, type: Integer, desc: 'The ID of a milestone to assign the merge request'
optional :labels, type: String, desc: 'Comma-separated list of label names'
optional :remove_source_branch, type: Boolean, desc: 'Remove source branch when merging'
end
end
desc 'List merge requests' do
success Entities::MergeRequest
end
params do
optional :state, type: String, values: %w[opened closed merged all], default: 'all',
desc: 'Return opened, closed, merged, or all merge requests'
optional :order_by, type: String, values: %w[created_at updated_at], default: 'created_at',
desc: 'Return merge requests ordered by `created_at` or `updated_at` fields.'
optional :sort, type: String, values: %w[asc desc], default: 'desc',
desc: 'Return merge requests sorted in `asc` or `desc` order.'
optional :iids, type: Array[Integer], desc: 'The IID array of merge requests'
use :pagination
end
get ":id/merge_requests" do
authorize! :read_merge_request, user_project
merge_requests = user_project.merge_requests.inc_notes_with_associations
merge_requests = filter_by_iid(merge_requests, params[:iids]) if params[:iids].present?
merge_requests =
case params[:state]
when 'opened' then merge_requests.opened
when 'closed' then merge_requests.closed
when 'merged' then merge_requests.merged
else merge_requests
end
merge_requests = merge_requests.reorder(params[:order_by] => params[:sort])
present paginate(merge_requests), with: Entities::MergeRequest, current_user: current_user, project: user_project
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
authorize! :create_merge_request, user_project
mr_params = declared_params(include_missing: false)
mr_params[:force_remove_source_branch] = mr_params.delete(:remove_source_branch) if mr_params[:remove_source_branch].present?
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_id, type: Integer, desc: 'The ID of a merge request'
end
delete ":id/merge_requests/:merge_request_id" do
merge_request = find_project_merge_request(params[:merge_request_id])
authorize!(:destroy_merge_request, merge_request)
merge_request.destroy
end
params do
requires :merge_request_id, type: Integer, desc: 'The ID of a merge request'
end
desc 'Get a single merge request' do
success Entities::MergeRequest
end
get ':id/merge_requests/:merge_request_id' do
merge_request = find_merge_request_with_access(params[:merge_request_id])
present merge_request, with: Entities::MergeRequest, current_user: current_user, project: user_project
end
desc 'Get the commits of a merge request' do
success Entities::RepoCommit
end
get ':id/merge_requests/:merge_request_id/commits' do
merge_request = find_merge_request_with_access(params[:merge_request_id])
commits = ::Kaminari.paginate_array(merge_request.commits)
present paginate(commits), with: Entities::RepoCommit
end
desc 'Show the merge request changes' do
success Entities::MergeRequestChanges
end
get ':id/merge_requests/:merge_request_id/changes' do
merge_request = find_merge_request_with_access(params[:merge_request_id])
present merge_request, with: Entities::MergeRequestChanges, current_user: current_user
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'
use :optional_params
at_least_one_of :title, :target_branch, :description, :assignee_id,
:milestone_id, :labels, :state_event,
:remove_source_branch
end
put ':id/merge_requests/:merge_request_id' do
merge_request = find_merge_request_with_access(params.delete(:merge_request_id), :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[:remove_source_branch].present?
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 :should_remove_source_branch, type: Boolean,
desc: 'When true, the source branch will be deleted if possible'
optional :merge_when_build_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'
end
put ':id/merge_requests/:merge_request_id/merge' do
merge_request = find_project_merge_request(params[:merge_request_id])
# 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)
not_allowed! unless merge_request.mergeable_state?
render_api_error!('Branch cannot be merged', 406) unless merge_request.mergeable?
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
merge_params = {
commit_message: params[:merge_commit_message],
should_remove_source_branch: params[:should_remove_source_branch]
}
if params[:merge_when_build_succeeds] && merge_request.head_pipeline && merge_request.head_pipeline.active?
::MergeRequests::MergeWhenPipelineSucceedsService
.new(merge_request.target_project, current_user, merge_params)
.execute(merge_request)
else
::MergeRequests::MergeService
.new(merge_request.target_project, current_user, merge_params)
.execute(merge_request)
end
present merge_request, with: Entities::MergeRequest, current_user: current_user, project: user_project
end
desc 'Cancel merge if "Merge When Pipeline Succeeds" is enabled' do
success Entities::MergeRequest
end
post ':id/merge_requests/:merge_request_id/cancel_merge_when_build_succeeds' do
merge_request = find_project_merge_request(params[:merge_request_id])
unauthorized! unless merge_request.can_cancel_merge_when_build_succeeds?(current_user)
::MergeRequest::MergeWhenPipelineSucceedsService
.new(merge_request.target_project, current_user)
.cancel(merge_request)
end
desc 'Get the comments of a merge request' do
success Entities::MRNote
end
params do
use :pagination
end
get ':id/merge_requests/:merge_request_id/comments' do
merge_request = find_merge_request_with_access(params[:merge_request_id])
present paginate(merge_request.notes.fresh), with: Entities::MRNote
end
desc 'Post a comment to a merge request' do
success Entities::MRNote
end
params do
requires :note, type: String, desc: 'The text of the comment'
end
post ':id/merge_requests/:merge_request_id/comments' do
merge_request = find_merge_request_with_access(params[:merge_request_id], :create_note)
opts = {
note: params[:note],
noteable_type: 'MergeRequest',
noteable_id: merge_request.id
}
note = ::Notes::CreateService.new(user_project, current_user, opts).execute
if note.save
present note, with: Entities::MRNote
else
render_api_error!("Failed to save note #{note.errors.messages}", 400)
end
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_id/closes_issues' do
merge_request = find_merge_request_with_access(params[:merge_request_id])
issues = ::Kaminari.paginate_array(merge_request.closes_issues(current_user))
present paginate(issues), with: issue_entity(user_project), current_user: current_user
end
end
end
end