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Contents
module FbGraph
class Collection < Array
attr_reader :previous, :next, :total_count
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 "Invalid collection"
end
# NOTE: Graph API returns {"data":{"to":[null]}} sometimes... :(
collection[:data].delete_if(&:nil?)
result = replace(collection[:data])
@total_count = collection[:count]
@previous, @next = {}, {}
if (paging = collection[:paging])
if paging[:previous]
@previous = fetch_params(paging[:previous])
end
if paging[:next]
@next = fetch_params(paging[:next])
end
end
end
private
def fetch_params(url)
query = URI.parse(url).query
params = {}
query.split('&').each do |q|
key, value = q.split('=')
params[key] = URI.unescape(value)
end
params.delete_if do |k, v|
!['limit', 'offset', 'until', 'since'].include?(k)
end
end
end
end
Version data entries
13 entries across 13 versions & 1 rubygems