562 lines
17 KiB
Ruby
562 lines
17 KiB
Ruby
class Projects::MergeRequestsController < Projects::ApplicationController
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include ToggleSubscriptionAction
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include DiffForPath
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include DiffHelper
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include IssuableActions
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include NotesHelper
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include ToggleAwardEmoji
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include IssuableCollections
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before_action :module_enabled
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before_action :merge_request, only: [
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:edit, :update, :show, :diffs, :commits, :conflicts, :builds, :pipelines, :merge, :merge_check,
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:ci_status, :toggle_subscription, :cancel_merge_when_build_succeeds, :remove_wip, :resolve_conflicts
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]
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before_action :validates_merge_request, only: [:show, :diffs, :commits, :builds, :pipelines]
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before_action :define_show_vars, only: [:show, :diffs, :commits, :conflicts, :builds, :pipelines]
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before_action :define_widget_vars, only: [:merge, :cancel_merge_when_build_succeeds, :merge_check]
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before_action :define_commit_vars, only: [:diffs]
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before_action :define_diff_comment_vars, only: [:diffs]
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before_action :ensure_ref_fetched, only: [:show, :diffs, :commits, :builds, :conflicts, :pipelines]
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before_action :close_merge_request_without_source_project, only: [:show, :diffs, :commits, :builds, :pipelines]
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before_action :apply_diff_view_cookie!, only: [:new_diffs]
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before_action :build_merge_request, only: [:new, :new_diffs]
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# Allow read any merge_request
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before_action :authorize_read_merge_request!
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# Allow write(create) merge_request
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before_action :authorize_create_merge_request!, only: [:new, :create]
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# Allow modify merge_request
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before_action :authorize_update_merge_request!, only: [:close, :edit, :update, :remove_wip, :sort]
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before_action :authorize_can_resolve_conflicts!, only: [:conflicts, :resolve_conflicts]
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def index
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@merge_requests = merge_requests_collection
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@merge_requests = @merge_requests.page(params[:page])
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@merge_requests = @merge_requests.preload(:target_project)
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@labels = @project.labels.where(title: params[:label_name])
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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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labels: @labels.as_json(methods: :text_color)
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}
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end
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end
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end
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def show
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respond_to do |format|
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format.html { define_discussion_vars }
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format.json do
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render json: @merge_request
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end
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format.patch do
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return render_404 unless @merge_request.diff_refs
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send_git_patch @project.repository, @merge_request.diff_refs
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end
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format.diff do
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return render_404 unless @merge_request.diff_refs
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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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def diffs
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apply_diff_view_cookie!
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@merge_request_diff =
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if params[:diff_id]
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@merge_request.merge_request_diffs.find(params[:diff_id])
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else
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@merge_request.merge_request_diff
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end
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@merge_request_diffs = @merge_request.merge_request_diffs.select_without_diff
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@comparable_diffs = @merge_request_diffs.select { |diff| diff.id < @merge_request_diff.id }
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if params[:start_sha].present?
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@start_sha = params[:start_sha]
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@start_version = @comparable_diffs.find { |diff| diff.head_commit_sha == @start_sha }
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unless @start_version
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render_404
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end
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end
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respond_to do |format|
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format.html { define_discussion_vars }
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format.json do
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if @start_sha
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compared_diff_version
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else
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original_diff_version
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end
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render json: { html: view_to_html_string("projects/merge_requests/show/_diffs") }
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end
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end
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end
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# With an ID param, loads the MR at that ID. Otherwise, accepts the same params as #new
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# and uses that (unsaved) MR.
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#
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def diff_for_path
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if params[:id]
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merge_request
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define_diff_comment_vars
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else
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build_merge_request
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@diff_notes_disabled = true
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@grouped_diff_discussions = {}
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end
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define_commit_vars
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render_diff_for_path(@merge_request.diffs(diff_options))
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end
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def commits
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respond_to do |format|
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format.html do
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define_discussion_vars
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render 'show'
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end
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format.json do
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# Get commits from repository
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# or from cache if already merged
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@commits = @merge_request.commits
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@note_counts = Note.where(commit_id: @commits.map(&:id)).
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group(:commit_id).count
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render json: { html: view_to_html_string('projects/merge_requests/show/_commits') }
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end
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end
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end
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def conflicts
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respond_to do |format|
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format.html { define_discussion_vars }
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format.json do
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if @merge_request.conflicts_can_be_resolved_in_ui?
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render json: @merge_request.conflicts
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elsif @merge_request.can_be_merged?
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render json: {
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message: 'The merge conflicts for this merge request have already been resolved. Please return to the merge request.',
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type: 'error'
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}
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else
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render json: {
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message: 'The merge conflicts for this merge request cannot be resolved through GitLab. Please try to resolve them locally.',
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type: 'error'
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}
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end
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end
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end
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end
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def resolve_conflicts
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return render_404 unless @merge_request.conflicts_can_be_resolved_in_ui?
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if @merge_request.can_be_merged?
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render status: :bad_request, json: { message: 'The merge conflicts for this merge request have already been resolved.' }
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return
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end
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begin
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MergeRequests::ResolveService.new(@merge_request.source_project, current_user, params).execute(@merge_request)
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flash[:notice] = 'All merge conflicts were resolved. The merge request can now be merged.'
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render json: { redirect_to: namespace_project_merge_request_url(@project.namespace, @project, @merge_request, resolved_conflicts: true) }
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rescue Gitlab::Conflict::File::MissingResolution => e
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render status: :bad_request, json: { message: e.message }
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end
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end
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def builds
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respond_to do |format|
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format.html do
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define_discussion_vars
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render 'show'
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end
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format.json { render json: { html: view_to_html_string('projects/merge_requests/show/_builds') } }
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end
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end
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def pipelines
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@pipelines = @merge_request.all_pipelines
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respond_to do |format|
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format.html do
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define_discussion_vars
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render 'show'
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end
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format.json { render json: { html: view_to_html_string('projects/merge_requests/show/_pipelines') } }
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end
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end
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def new
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define_new_vars
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end
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def new_diffs
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respond_to do |format|
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format.html do
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define_new_vars
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render "new"
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end
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format.json do
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@diffs = if @merge_request.can_be_created
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@merge_request.diffs(diff_options)
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else
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[]
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end
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@diff_notes_disabled = true
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render json: { html: view_to_html_string('projects/merge_requests/_new_diffs', diffs: @diffs) }
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end
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end
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end
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def create
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@target_branches ||= []
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@merge_request = MergeRequests::CreateService.new(project, current_user, merge_request_params).execute
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if @merge_request.valid?
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redirect_to(merge_request_path(@merge_request))
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else
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@source_project = @merge_request.source_project
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@target_project = @merge_request.target_project
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render action: "new"
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end
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end
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def edit
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@source_project = @merge_request.source_project
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@target_project = @merge_request.target_project
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@target_branches = @merge_request.target_project.repository.branch_names
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end
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def update
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@merge_request = MergeRequests::UpdateService.new(project, current_user, merge_request_params).execute(@merge_request)
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if @merge_request.valid?
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respond_to do |format|
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format.html do
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redirect_to([@merge_request.target_project.namespace.becomes(Namespace),
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@merge_request.target_project, @merge_request])
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end
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format.json do
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render json: @merge_request.to_json(include: { milestone: {}, assignee: { methods: :avatar_url }, labels: { methods: :text_color } })
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end
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end
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else
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render "edit"
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end
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rescue ActiveRecord::StaleObjectError
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@conflict = true
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render :edit
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end
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def remove_wip
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MergeRequests::UpdateService.new(project, current_user, wip_event: 'unwip').execute(@merge_request)
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redirect_to namespace_project_merge_request_path(@project.namespace, @project, @merge_request),
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notice: "The merge request can now be merged."
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end
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def merge_check
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@merge_request.check_if_can_be_merged
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render partial: "projects/merge_requests/widget/show.html.haml", layout: false
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end
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def cancel_merge_when_build_succeeds
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return access_denied! unless @merge_request.can_cancel_merge_when_build_succeeds?(current_user)
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MergeRequests::MergeWhenBuildSucceedsService.new(@project, current_user).cancel(@merge_request)
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end
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def merge
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return access_denied! unless @merge_request.can_be_merged_by?(current_user)
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# Disable the CI check if merge_when_build_succeeds is enabled 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: merge_when_build_succeeds_active?)
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@status = :failed
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return
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end
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if params[:sha] != @merge_request.diff_head_sha
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@status = :sha_mismatch
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return
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end
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@merge_request.update(merge_error: nil)
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if params[:merge_when_build_succeeds].present?
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unless @merge_request.pipeline
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@status = :failed
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return
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end
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if @merge_request.pipeline.active?
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MergeRequests::MergeWhenBuildSucceedsService.new(@project, current_user, merge_params)
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.execute(@merge_request)
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@status = :merge_when_build_succeeds
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elsif @merge_request.pipeline.success?
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# This can be triggered when a user clicks the auto merge button while
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# the tests finish at about the same time
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MergeWorker.perform_async(@merge_request.id, current_user.id, params)
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@status = :success
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else
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@status = :failed
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end
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else
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MergeWorker.perform_async(@merge_request.id, current_user.id, params)
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@status = :success
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end
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end
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def branch_from
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# This is always source
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@source_project = @merge_request.nil? ? @project : @merge_request.source_project
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@commit = @repository.commit(params[:ref]) if params[:ref].present?
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render layout: false
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end
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def branch_to
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@target_project = selected_target_project
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@commit = @target_project.commit(params[:ref]) if params[:ref].present?
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render layout: false
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end
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def update_branches
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@target_project = selected_target_project
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@target_branches = @target_project.repository.branch_names
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render layout: false
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end
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def ci_status
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pipeline = @merge_request.pipeline
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if pipeline
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status = pipeline.status
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coverage = pipeline.try(:coverage)
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status = "success_with_warnings" if pipeline.success? && pipeline.has_warnings?
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status ||= "preparing"
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else
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ci_service = @merge_request.source_project.ci_service
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status = ci_service.commit_status(merge_request.diff_head_sha, merge_request.source_branch) if ci_service
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if ci_service.respond_to?(:commit_coverage)
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coverage = ci_service.commit_coverage(merge_request.diff_head_sha, merge_request.source_branch)
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end
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end
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response = {
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title: merge_request.title,
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sha: merge_request.diff_head_commit.short_id,
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status: status,
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coverage: coverage
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}
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render json: response
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end
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protected
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def selected_target_project
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if @project.id.to_s == params[:target_project_id] || @project.forked_project_link.nil?
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@project
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else
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@project.forked_project_link.forked_from_project
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end
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end
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def merge_request
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@issuable = @merge_request ||= @project.merge_requests.find_by!(iid: params[:id])
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end
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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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def authorize_update_merge_request!
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return render_404 unless can?(current_user, :update_merge_request, @merge_request)
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end
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def authorize_admin_merge_request!
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return render_404 unless can?(current_user, :admin_merge_request, @merge_request)
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end
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def authorize_can_resolve_conflicts!
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return render_404 unless @merge_request.conflicts_can_be_resolved_by?(current_user)
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end
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def module_enabled
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return render_404 unless @project.feature_available?(:merge_requests, current_user)
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end
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def validates_merge_request
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# Show git not found page
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# if there is no saved commits between source & target branch
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if @merge_request.commits.blank?
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# and if target branch doesn't exist
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return invalid_mr unless @merge_request.target_branch_exists?
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end
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end
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def define_show_vars
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@noteable = @merge_request
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@commits_count = @merge_request.commits.count
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@pipeline = @merge_request.pipeline
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@statuses = @pipeline.statuses.relevant if @pipeline
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if @merge_request.locked_long_ago?
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@merge_request.unlock_mr
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@merge_request.close
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end
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end
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# Discussion tab data is rendered on html responses of actions
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# :show, :diff, :commits, :builds. but not when request the data through AJAX
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def define_discussion_vars
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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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@discussions = @merge_request.discussions
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preload_noteable_for_regular_notes(@discussions.flat_map(&:notes))
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# This is not executed lazily
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@notes = Banzai::NoteRenderer.render(
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@discussions.flat_map(&:notes),
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@project,
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current_user,
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@path,
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@project_wiki,
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@ref
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)
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preload_max_access_for_authors(@notes, @project)
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end
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def define_widget_vars
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@pipeline = @merge_request.pipeline
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@pipelines = [@pipeline].compact
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end
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def define_commit_vars
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@commit = @merge_request.diff_head_commit
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@base_commit = @merge_request.diff_base_commit || @merge_request.likely_diff_base_commit
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end
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def define_diff_comment_vars
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@comments_target = {
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noteable_type: 'MergeRequest',
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noteable_id: @merge_request.id
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}
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@use_legacy_diff_notes = !@merge_request.has_complete_diff_refs?
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@grouped_diff_discussions = @merge_request.notes.inc_relations_for_view.grouped_diff_discussions
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Banzai::NoteRenderer.render(
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@grouped_diff_discussions.values.flat_map(&:notes),
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@project,
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current_user,
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@path,
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@project_wiki,
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@ref
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)
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end
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def define_new_vars
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@noteable = @merge_request
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@target_branches = if @merge_request.target_project
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@merge_request.target_project.repository.branch_names
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else
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[]
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end
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@target_project = merge_request.target_project
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@source_project = merge_request.source_project
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@commits = @merge_request.compare_commits.reverse
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@commit = @merge_request.diff_head_commit
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@base_commit = @merge_request.diff_base_commit
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@pipeline = @merge_request.pipeline
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@statuses = @pipeline.statuses.relevant if @pipeline
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@note_counts = Note.where(commit_id: @commits.map(&:id)).
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group(:commit_id).count
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end
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def invalid_mr
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# Render special view for MR with removed target branch
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render 'invalid'
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end
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def merge_request_params
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params.require(:merge_request).permit(
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:title, :assignee_id, :source_project_id, :source_branch,
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:target_project_id, :target_branch, :milestone_id,
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:state_event, :description, :task_num, :force_remove_source_branch,
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:lock_version, label_ids: []
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)
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end
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def merge_params
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params.permit(:should_remove_source_branch, :commit_message)
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end
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# Make sure merge requests created before 8.0
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# have head file in refs/merge-requests/
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def ensure_ref_fetched
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@merge_request.ensure_ref_fetched
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end
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def merge_when_build_succeeds_active?
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params[:merge_when_build_succeeds].present? &&
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@merge_request.pipeline && @merge_request.pipeline.active?
|
|
end
|
|
|
|
def build_merge_request
|
|
params[:merge_request] ||= ActionController::Parameters.new(source_project: @project)
|
|
@merge_request = MergeRequests::BuildService.new(project, current_user, merge_request_params.merge(diff_options: diff_options)).execute
|
|
end
|
|
|
|
def compared_diff_version
|
|
@diff_notes_disabled = true
|
|
@diffs = @merge_request_diff.compare_with(@start_sha).diffs(diff_options)
|
|
end
|
|
|
|
def original_diff_version
|
|
@diff_notes_disabled = !@merge_request_diff.latest?
|
|
@diffs = @merge_request_diff.diffs(diff_options)
|
|
end
|
|
|
|
def close_merge_request_without_source_project
|
|
if !@merge_request.source_project && @merge_request.open?
|
|
@merge_request.close
|
|
end
|
|
end
|
|
end
|