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Contents
#--
# Copyright (c) 2010-2014 Peter Horn & Florian Thomas, metaminded UG
#
# Permission is hereby granted, free of charge, to any person obtaining
# a copy of this software and associated documentation files (the
# "Software"), to deal in the Software without restriction, including
# without limitation the rights to use, copy, modify, merge, publish,
# distribute, sublicense, and/or sell copies of the Software, and to
# permit persons to whom the Software is furnished to do so, subject to
# the following conditions:
#
# The above copyright notice and this permission notice shall be
# included in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
#++
module Tabulatr::Data::Pagination
def apply_pagination(offset: 0, pagesize: nil)
@relation = @relation.limit(pagesize).offset(offset)
end
def compute_pagination(page, pagesize)
count = @relation.count
count = count.count if count.is_a?(Hash)
page ||= 1
pagesize, page = pagesize.to_i, page.to_i
pagesize = Tabulatr::pagesize if pagesize == 0
pages = (count/pagesize.to_f).ceil
{
offset: [0,((page-1)*pagesize).to_i].max,
pagesize: pagesize,
pages: pages,
page: page,
count: count
}
end
end
Tabulatr::Data.send :include, Tabulatr::Data::Pagination
Version data entries
28 entries across 28 versions & 1 rubygems