module API # MergeRequest API class MergeRequests < Grape::API before { authenticate! } resource :projects do 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 end # List merge requests # # Parameters: # id (required) - The ID of a project # iid (optional) - Return the project MR having the given `iid` # state (optional) - Return requests "merged", "opened" or "closed" # order_by (optional) - Return requests ordered by `created_at` or `updated_at` fields. Default is `created_at` # sort (optional) - Return requests sorted in `asc` or `desc` order. Default is `desc` # # Example: # GET /projects/:id/merge_requests # GET /projects/:id/merge_requests?state=opened # GET /projects/:id/merge_requests?state=closed # GET /projects/:id/merge_requests?order_by=created_at # GET /projects/:id/merge_requests?order_by=updated_at # GET /projects/:id/merge_requests?sort=desc # GET /projects/:id/merge_requests?sort=asc # GET /projects/:id/merge_requests?iid=42 # get ":id/merge_requests" do authorize! :read_merge_request, user_project merge_requests = user_project.merge_requests.inc_notes_with_associations unless params[:iid].nil? merge_requests = filter_by_iid(merge_requests, params[:iid]) end 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(issuable_order_by => issuable_sort) present paginate(merge_requests), with: Entities::MergeRequest, current_user: current_user end # Create MR # # Parameters: # # id (required) - The ID of a project - this will be the source of the merge request # source_branch (required) - The source branch # target_branch (required) - The target branch # target_project_id - The target project of the merge request defaults to the :id of the project # assignee_id - Assignee user ID # title (required) - Title of MR # description - Description of MR # labels (optional) - Labels for MR as a comma-separated list # milestone_id (optional) - Milestone ID # # Example: # POST /projects/:id/merge_requests # post ":id/merge_requests" do authorize! :create_merge_request, user_project required_attributes! [:source_branch, :target_branch, :title] attrs = attributes_for_keys [:source_branch, :target_branch, :assignee_id, :title, :target_project_id, :description, :milestone_id] # Validate label names in advance if (errors = validate_label_params(params)).any? render_api_error!({ labels: errors }, 400) end merge_request = ::MergeRequests::CreateService.new(user_project, current_user, attrs).execute if merge_request.valid? # Find or create labels and attach to issue if params[:labels].present? merge_request.add_labels_by_names(params[:labels].split(",")) end present merge_request, with: Entities::MergeRequest, current_user: current_user else handle_merge_request_errors! merge_request.errors end end # Delete a MR # # Parameters: # id (required) - The ID of the project # merge_request_id (required) - The MR id delete ":id/merge_requests/:merge_request_id" do merge_request = user_project.merge_requests.find_by(id: params[:merge_request_id]) authorize!(:destroy_merge_request, merge_request) merge_request.destroy end # Routing "merge_request/:merge_request_id/..." is DEPRECATED and WILL BE REMOVED in version 9.0 # Use "merge_requests/:merge_request_id/..." instead. # [":id/merge_request/:merge_request_id", ":id/merge_requests/:merge_request_id"].each do |path| # Show MR # # Parameters: # id (required) - The ID of a project # merge_request_id (required) - The ID of MR # # Example: # GET /projects/:id/merge_requests/:merge_request_id # get path do merge_request = user_project.merge_requests.find(params[:merge_request_id]) authorize! :read_merge_request, merge_request present merge_request, with: Entities::MergeRequest, current_user: current_user end # Show MR commits # # Parameters: # id (required) - The ID of a project # merge_request_id (required) - The ID of MR # # Example: # GET /projects/:id/merge_requests/:merge_request_id/commits # get "#{path}/commits" do merge_request = user_project.merge_requests. find(params[:merge_request_id]) authorize! :read_merge_request, merge_request present merge_request.commits, with: Entities::RepoCommit end # Show MR changes # # Parameters: # id (required) - The ID of a project # merge_request_id (required) - The ID of MR # # Example: # GET /projects/:id/merge_requests/:merge_request_id/changes # get "#{path}/changes" do merge_request = user_project.merge_requests. find(params[:merge_request_id]) authorize! :read_merge_request, merge_request present merge_request, with: Entities::MergeRequestChanges, current_user: current_user end # Update MR # # Parameters: # id (required) - The ID of a project # merge_request_id (required) - ID of MR # target_branch - The target branch # assignee_id - Assignee user ID # title - Title of MR # state_event - Status of MR. (close|reopen|merge) # description - Description of MR # labels (optional) - Labels for a MR as a comma-separated list # milestone_id (optional) - Milestone ID # Example: # PUT /projects/:id/merge_requests/:merge_request_id # put path do attrs = attributes_for_keys [:target_branch, :assignee_id, :title, :state_event, :description, :milestone_id] merge_request = user_project.merge_requests.find(params[:merge_request_id]) authorize! :update_merge_request, merge_request # Ensure source_branch is not specified if params[:source_branch].present? render_api_error!('Source branch cannot be changed', 400) end # Validate label names in advance if (errors = validate_label_params(params)).any? render_api_error!({ labels: errors }, 400) end merge_request = ::MergeRequests::UpdateService.new(user_project, current_user, attrs).execute(merge_request) if merge_request.valid? # Find or create labels and attach to issue unless params[:labels].nil? merge_request.remove_labels merge_request.add_labels_by_names(params[:labels].split(",")) end present merge_request, with: Entities::MergeRequest, current_user: current_user else handle_merge_request_errors! merge_request.errors end end # Merge MR # # Parameters: # id (required) - The ID of a project # merge_request_id (required) - ID of MR # merge_commit_message (optional) - Custom merge commit message # should_remove_source_branch (optional) - When true, the source branch will be deleted if possible # merge_when_build_succeeds (optional) - When true, this MR will be merged when the build succeeds # sha (optional) - When present, must have the HEAD SHA of the source branch # Example: # PUT /projects/:id/merge_requests/:merge_request_id/merge # put "#{path}/merge" do merge_request = user_project.merge_requests.find(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 to_boolean(params[:merge_when_build_succeeds]) && merge_request.pipeline && merge_request.pipeline.active? ::MergeRequests::MergeWhenBuildSucceedsService.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 end # Cancel Merge if Merge When build succeeds is enabled # Parameters: # id (required) - The ID of a project # merge_request_id (required) - ID of MR # post "#{path}/cancel_merge_when_build_succeeds" do merge_request = user_project.merge_requests.find(params[:merge_request_id]) unauthorized! unless merge_request.can_cancel_merge_when_build_succeeds?(current_user) ::MergeRequest::MergeWhenBuildSucceedsService.new(merge_request.target_project, current_user).cancel(merge_request) end # Duplicate. DEPRECATED and WILL BE REMOVED in 9.0. # Use GET "/projects/:id/merge_requests/:merge_request_id/notes" instead # # Get a merge request's comments # # Parameters: # id (required) - The ID of a project # merge_request_id (required) - ID of MR # Examples: # GET /projects/:id/merge_requests/:merge_request_id/comments # get "#{path}/comments" do merge_request = user_project.merge_requests.find(params[:merge_request_id]) authorize! :read_merge_request, merge_request present paginate(merge_request.notes.fresh), with: Entities::MRNote end # Duplicate. DEPRECATED and WILL BE REMOVED in 9.0. # Use POST "/projects/:id/merge_requests/:merge_request_id/notes" instead # # Post comment to merge request # # Parameters: # id (required) - The ID of a project # merge_request_id (required) - ID of MR # note (required) - Text of comment # Examples: # POST /projects/:id/merge_requests/:merge_request_id/comments # post "#{path}/comments" do required_attributes! [:note] merge_request = user_project.merge_requests.find(params[:merge_request_id]) authorize! :create_note, merge_request 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 # List issues that will close on merge # # Parameters: # id (required) - The ID of a project # merge_request_id (required) - ID of MR # Examples: # GET /projects/:id/merge_requests/:merge_request_id/closes_issues get "#{path}/closes_issues" do merge_request = user_project.merge_requests.find(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 end