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Contents
module FbGraph
class Collection < Array
attr_reader :previous, :next, :total_count, :unread_count, :updated_time, :cursors
def initialize(collection = nil)
collection = case collection
when Array
{:data => collection, :count => collection.size}
when Hash
collection[:data] ||= []
collection
when nil
collection = {:data => [], :count => 0}
else
raise ArgumentError.new("Invalid collection")
end
# NOTE: Graph API returns {"data":{"to":[null]}} sometimes... :(
collection[:data].delete_if(&:nil?)
replace collection[:data]
if (summary = collection[:summary]).present?
@total_count = summary[:total_count]
@unread_count = summary[:unread_count]
@updated_time = Time.parse(summary[:updated_time]) if summary[:updated_time]
else
@total_count = collection[:count]
end
@previous, @next, @cursors = {}, {}, {}
if (paging = collection[:paging])
if paging[:previous]
@previous = fetch_params(paging[:previous])
end
if paging[:next]
@next = fetch_params(paging[:next])
end
if paging[:cursors]
@cursors[:after] = paging[:cursors].try(:[], :after)
@cursors[:before] = paging[:cursors].try(:[], :before)
end
end
end
private
def fetch_params(url)
query = Rack::Utils.parse_nested_query(
URI.unescape(URI.parse(URI.encode(url)).query)
)
params = {}
query.each do |key, value|
params[key.to_sym] = value
end
params
end
end
end
Version data entries
15 entries across 15 versions & 1 rubygems