Sha256: cbc3596491a6b0b59d277ea95026520f8b631e0020e3c29c4504f9e796d601f7
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Versions: 5
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Contents
module Walruz
module More
module Pagination
module Base
def authorized_paginate(actor, action, *args)
# All the args are forwarded to WillPaginate, he knows best what to do
options = args.last if Hash === args.last
options[:page] ||= 1
options[:page] = options[:page].to_i
offset = options.delete(:offset).to_i # defaults to 0
acum = []
while true
paginated_collection = self.paginate(*args)
filter_authorized_items_in_collection(actor, action, acum, paginated_collection, offset)
if complete_authorized_items_page?(acum, paginated_collection)
break
else
offset = 0
options[:page] += 1
end
end
paginated_collection.replace(acum)
end
protected
def complete_authorized_items_page?(items, pcollection)
items.size == pcollection.per_page ||
pcollection.next_page.nil?
end
def filter_authorized_items_in_collection(actor, action, acum, pcollection, offset = 0)
return if offset > pcollection.size
pcollection[offset, pcollection.size].each_with_index do |item, i|
if Walruz.can?(actor, action, item)
acum << item
unless acum.size < pcollection.per_page
pcollection.walruz_offset = i + 1
break
end # unless
end # if
end # each_with_index
end # filter
end
end
end
end
Version data entries
5 entries across 5 versions & 1 rubygems