Commit 7870614f authored by Grzegorz Bizon's avatar Grzegorz Bizon
Browse files

Extract API pagination code to a separete module

parent 17259aaca5f7
module API
module Helpers
include Gitlab::Utils
include Helpers::Pagination
PRIVATE_TOKEN_HEADER = "HTTP_PRIVATE_TOKEN"
PRIVATE_TOKEN_PARAM = :private_token
......@@ -131,12 +132,6 @@ def find_project_issue(id)
IssuesFinder.new(current_user, project_id: user_project.id).find(id)
end
def paginate(relation)
relation.page(params[:page]).per(params[:per_page].to_i).tap do |data|
add_pagination_headers(data)
end
end
def authenticate!
unauthorized! unless current_user
end
......@@ -367,38 +362,6 @@ def present_file!(path, filename, content_type = 'application/octet-stream')
private
def add_pagination_headers(paginated_data)
header 'X-Total', paginated_data.total_count.to_s
header 'X-Total-Pages', paginated_data.total_pages.to_s
header 'X-Per-Page', paginated_data.limit_value.to_s
header 'X-Page', paginated_data.current_page.to_s
header 'X-Next-Page', paginated_data.next_page.to_s
header 'X-Prev-Page', paginated_data.prev_page.to_s
header 'Link', pagination_links(paginated_data)
end
def pagination_links(paginated_data)
request_url = request.url.split('?').first
request_params = params.clone
request_params[:per_page] = paginated_data.limit_value
links = []
request_params[:page] = paginated_data.current_page - 1
links << %(<#{request_url}?#{request_params.to_query}>; rel="prev") unless paginated_data.first_page?
request_params[:page] = paginated_data.current_page + 1
links << %(<#{request_url}?#{request_params.to_query}>; rel="next") unless paginated_data.last_page?
request_params[:page] = 1
links << %(<#{request_url}?#{request_params.to_query}>; rel="first")
request_params[:page] = paginated_data.total_pages
links << %(<#{request_url}?#{request_params.to_query}>; rel="last")
links.join(', ')
end
def secret_token
Gitlab::Shell.secret_token
end
......
module API
module Helpers
module Pagination
def paginate(relation)
relation.page(params[:page]).per(params[:per_page].to_i).tap do |data|
add_pagination_headers(data)
end
end
private
def add_pagination_headers(paginated_data)
header 'X-Total', paginated_data.total_count.to_s
header 'X-Total-Pages', paginated_data.total_pages.to_s
header 'X-Per-Page', paginated_data.limit_value.to_s
header 'X-Page', paginated_data.current_page.to_s
header 'X-Next-Page', paginated_data.next_page.to_s
header 'X-Prev-Page', paginated_data.prev_page.to_s
header 'Link', pagination_links(paginated_data)
end
def pagination_links(paginated_data)
request_url = request.url.split('?').first
request_params = params.clone
request_params[:per_page] = paginated_data.limit_value
links = []
request_params[:page] = paginated_data.current_page - 1
links << %(<#{request_url}?#{request_params.to_query}>; rel="prev") unless paginated_data.first_page?
request_params[:page] = paginated_data.current_page + 1
links << %(<#{request_url}?#{request_params.to_query}>; rel="next") unless paginated_data.last_page?
request_params[:page] = 1
links << %(<#{request_url}?#{request_params.to_query}>; rel="first")
request_params[:page] = paginated_data.total_pages
links << %(<#{request_url}?#{request_params.to_query}>; rel="last")
links.join(', ')
end
end
end
end
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