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Versions: 6
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Stored size: 1.25 KB
Contents
module Braintree
class PagedCollection
include BaseModule
include Enumerable
attr_reader :current_page_number, :items, :next_page_number, :page_size, :previous_page_number, :total_items
def initialize(attributes, &block) # :nodoc:
set_instance_variables_from_hash attributes
@paging_block = block
end
# Returns the item from the current page at the given +index+.
def [](index)
@items[index]
end
# Yields each item on the current page.
def each(&block)
@items.each(&block)
end
# Returns the first item from the current page.
def first
@items.first
end
# Returns true if the page is the last page. False otherwise.
def last_page?
current_page_number == total_pages
end
# Retrieves the next page of records.
def next_page
if last_page?
return nil
end
@paging_block.call(next_page_number)
end
# The next page number. Returns +nil+ if on the last page.
def next_page_number
last_page? ? nil : current_page_number + 1
end
# Returns the total number of pages.
def total_pages
total = total_items / page_size
if total_items % page_size != 0
total += 1
end
total
end
end
end
Version data entries
6 entries across 6 versions & 1 rubygems