twitter-status-bot/.gems/gems/twitter-5.11.0/lib/twitter/cursor.rb

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require 'twitter/enumerable'
require 'twitter/utils'
module Twitter
class Cursor
include Twitter::Enumerable
include Twitter::Utils
attr_reader :attrs
alias_method :to_h, :attrs
deprecate_alias :to_hash, :to_h
deprecate_alias :to_hsh, :to_h
# Initializes a new Cursor
#
# @param attrs [Hash]
# @param key [String, Symbol] The key to fetch the data from the response
# @param klass [Class] The class to instantiate objects in the response
# @param request [Twitter::Request]
# @return [Twitter::Cursor]
def initialize(attrs, key, klass, request)
@key = key.to_sym
@klass = klass
@client = request.client
@request_method = request.verb
@path = request.path
@options = request.options
@collection = []
self.attrs = attrs
end
private
# @return [Integer]
def next_cursor
@attrs[:next_cursor] || -1
end
alias_method :next, :next_cursor
# @return [Boolean]
def last?
next_cursor.zero?
end
# @return [Hash]
def fetch_next_page
response = @client.send(@request_method, @path, @options.merge(:cursor => next_cursor)).body
self.attrs = response
end
# @param attrs [Hash]
# @return [Hash]
def attrs=(attrs)
@attrs = attrs
@attrs.fetch(@key, []).each do |element|
@collection << (@klass ? @klass.new(element) : element)
end
@attrs
end
end
end