# encoding: utf-8

module Github

# A module that adds http get request to response pagination

module PagedRequest

include Github::Constants

FIRST_PAGE = 1 # Default request page if none provided

PER_PAGE = 30 # Default number of items as specified by API

NOT_FOUND = -1 # Either page or per_page parameter not present

# Check if current api instance has default per_page param set,

# otherwise use global default.

#

def default_page_size

current_api.per_page ? current_api.per_page : PER_PAGE

end

def default_page

current_api.page ? current_api.page : FIRST_PAGE

end

# Perform http get request with pagination parameters

#

def page_request(path, params={})

if params[PARAM_PER_PAGE] == NOT_FOUND

params[PARAM_PER_PAGE] = default_page_size

end

if params[PARAM_PAGE] && params[PARAM_PAGE] == NOT_FOUND

params[PARAM_PAGE] = default_page

end

current_api.get_request(path, ParamsHash.new(params))

end

end # PagedRequest

end # Github