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# frozen_string_literal: true
# Serializes diffs with pagination data.
#
# Avoid adding more keys to this serializer as processing the
# diff file serialization is not cheap.
#
class PaginatedDiffEntity < Grape::Entity
include RequestAwareEntity
expose :diff_files do |diffs, options|
submodule_links = Gitlab::SubmoduleLinks.new(merge_request.project.repository)
DiffFileEntity.represent(diffs.diff_files,
options.merge(submodule_links: submodule_links, code_navigation_path: code_navigation_path(diffs)))
end
expose :pagination do
expose :current_page
expose :next_page
expose :total_pages
expose :next_page_href do |diffs|
next unless next_page
project = merge_request.target_project
diffs_batch_namespace_project_json_merge_request_path(
namespace_id: project.namespace.to_param,
project_id: project.to_param,
id: merge_request.iid,
page: next_page,
format: :json
)
end
end
private
def code_navigation_path(diffs)
Gitlab::CodeNavigationPath.new(merge_request.project, diffs.diff_refs&.head_sha)
end
%i[current_page next_page total_pages].each do |method|
define_method method do
pagination_data[method]
end
end
def pagination_data
options.fetch(:pagination_data, {})
end
def merge_request
options[:merge_request]
end
end
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