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Contents
module Myfinance
module Entities
#
# A wrapper to Myfinance collection returns from API.
# This wrapper represents a collection and it's responsible for
# processing pagination information as well.
#
class Collection < Base
PAGE_REGEX = /page=(\d+)/
attr_reader :response, :collection, :headers
def initialize(response)
@response = response
@collection = []
@headers = begin
response.headers["Link"].split(",")
rescue
[]
end
end
def self.build(response)
new(response).build
end
def build
build_collection
self
end
def next_page
page_for(:next)
end
def last_page
page_for(:last)
end
def previous_page
page_for(:prev)
end
def first_page
page_for(:first)
end
private
def page_for(page_rel)
header_link_for(page_rel).match(PAGE_REGEX)[1].to_i
rescue
nil
end
def header_link_for(rel)
headers.select { |n| n =~ /rel=#{rel}/ }.first
end
def build_collection
raise NotImplementedError
end
end
end
end
Version data entries
16 entries across 16 versions & 1 rubygems