debian-mirror-gitlab/lib/api/merge_requests.rb

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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)
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elsif errors[:validate_fork].any?
error!(errors[:validate_fork], 422)
elsif errors[:validate_branches].any?
conflict!(errors[:validate_branches])
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end
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render_api_error!(errors, 400)
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end
end
# List merge requests
#
# Parameters:
# id (required) - The ID of a project
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# iid (optional) - Return the project MR having the given `iid`
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# state (optional) - Return requests "merged", "opened" or "closed"
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# 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`
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#
# Example:
# GET /projects/:id/merge_requests
# GET /projects/:id/merge_requests?state=opened
# GET /projects/:id/merge_requests?state=closed
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# 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
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# GET /projects/:id/merge_requests?iid=42
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#
get ":id/merge_requests" do
authorize! :read_merge_request, user_project
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merge_requests = user_project.merge_requests
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unless params[:iid].nil?
merge_requests = filter_by_iid(merge_requests, params[:iid])
end
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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
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merge_requests = merge_requests.reorder(issuable_order_by => issuable_sort)
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present paginate(merge_requests), with: Entities::MergeRequest
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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
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# target_project_id - The target project of the merge request defaults to the :id of the project
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# assignee_id - Assignee user ID
# title (required) - Title of MR
# description - Description of MR
# labels (optional) - Labels for MR as a comma-separated list
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# milestone_id (optional) - Milestone ID
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#
# Example:
# POST /projects/:id/merge_requests
#
post ":id/merge_requests" do
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authorize! :create_merge_request, user_project
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required_attributes! [:source_branch, :target_branch, :title]
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attrs = attributes_for_keys [:source_branch, :target_branch, :assignee_id, :title, :target_project_id, :description, :milestone_id]
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# 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
else
handle_merge_request_errors! merge_request.errors
end
end
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# Routing "merge_request/:merge_request_id/..." is DEPRECATED and WILL BE REMOVED in version 9.0
# Use "merge_requests/:merge_request_id/..." instead.
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#
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[":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
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present merge_request, with: Entities::MergeRequest
end
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# 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
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# 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
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end
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# 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
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# Validate label names in advance
if (errors = validate_label_params(params)).any?
render_api_error!({ labels: errors }, 400)
end
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merge_request = ::MergeRequests::UpdateService.new(user_project, current_user, attrs).execute(merge_request)
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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
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present merge_request, with: Entities::MergeRequest
else
handle_merge_request_errors! merge_request.errors
end
end
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# 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
# 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! if !merge_request.open? || merge_request.work_in_progress?
merge_request.check_if_can_be_merged
render_api_error!('Branch cannot be merged', 406) unless merge_request.can_be_merged?
merge_params = {
commit_message: params[:merge_commit_message],
should_remove_source_branch: params[:should_remove_source_branch]
}
if parse_boolean(params[:merge_when_build_succeeds]) && merge_request.ci_commit && merge_request.ci_commit.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
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present merge_request, with: Entities::MergeRequest
end
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# 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])
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unauthorized! unless merge_request.can_cancel_merge_when_build_succeeds?(current_user)
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::MergeRequest::MergeWhenBuildSucceedsService.new(merge_request.target_project, current_user).cancel(merge_request)
end
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# 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
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# 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
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# 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: Entities::Issue
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end
end
end
end
end