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# frozen_string_literal: true
module Mutations
module Projects
class SyncFork < BaseMutation
graphql_name 'ProjectSyncFork'
include FindsProject
argument :project_path, GraphQL::Types::ID,
required: true,
description: 'Full path of the project to initialize.'
argument :target_branch, GraphQL::Types::String,
required: true,
description: 'Ref of the fork to fetch into.'
field :details, Types::Projects::ForkDetailsType,
null: true,
description: 'Updated fork details.'
def resolve(project_path:, target_branch:)
project = authorized_find!(project_path, target_branch)
return respond(nil, ['Feature flag is disabled']) unless Feature.enabled?(:synchronize_fork,
project.fork_source)
return respond(nil, ['Target branch does not exist']) unless project.repository.branch_exists?(target_branch)
details_resolver = Resolvers::Projects::ForkDetailsResolver.new(object: project, context: context, field: nil)
details = details_resolver.resolve(ref: target_branch)
return respond(nil, ['This branch of this project cannot be updated from the upstream']) unless details
enqueue_sync_fork(project, target_branch, details)
end
def enqueue_sync_fork(project, target_branch, details)
return respond(details, []) if details.counts[:behind] == 0
if details.has_conflicts?
return respond(details, ['The synchronization cannot happen due to the merge conflict'])
end
return respond(details, ['This service has been called too many times.']) if rate_limit_throttled?(project)
return respond(details, ['Another fork sync is already in progress']) unless details.exclusive_lease.try_obtain
::Projects::Forks::SyncWorker.perform_async(project.id, current_user.id, target_branch) # rubocop:disable CodeReuse/Worker
respond(details, [])
end
def rate_limit_throttled?(project)
Gitlab::ApplicationRateLimiter.throttled?(:project_fork_sync, scope: [project, current_user])
end
def respond(details, errors)
{ details: details, errors: errors }
end
def authorized_find!(project_path, target_branch)
project = find_object(project_path)
return project if ::Gitlab::UserAccess.new(current_user, container: project).can_push_to_branch?(target_branch)
raise_resource_not_available_error!
end
end
end
end
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