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be paginatable if both limit and offset are given when initializing

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don't have to call offset() to be paginatable
This commit is contained in:
Akira Matsuda 2011-08-26 08:23:51 +09:00
parent b5e16c0a94
commit 6629f5bfe0
2 changed files with 12 additions and 5 deletions
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12
lib/kaminari/models/array_extension.rb
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@ -12,6 +12,12 @@ module Kaminari
def initialize(original_array, options = {})
@_original_array, @_limit_value, @_offset_value, @_total_count = original_array, (options[:limit] || default_per_page).to_i, options[:offset].to_i, options[:total_count]
if options[:limit] && options[:offset]
class << self
include Kaminari::PageScopeMethods
end
end
if options[:total_count]
super original_array
else
@ -36,11 +42,7 @@ module Kaminari
# returns another chunk of the original array
def offset(num)
arr = self.class.new @_original_array, :limit => @_limit_value, :offset => num, :total_count => @_total_count
class << arr
include Kaminari::PageScopeMethods
end
arr
self.class.new @_original_array, :limit => @_limit_value, :offset => num, :total_count => @_total_count
end
end

5
spec/models/array_spec.rb
View file

@ -1,6 +1,11 @@
require File.expand_path('../spec_helper', File.dirname(__FILE__))
describe Kaminari::PaginatableArray do
context 'specifying limit and offset when initializing' do
subject { Kaminari::PaginatableArray.new((1..100).to_a, :limit => 10, :offset => 20) }
its(:current_page) { should == 3 }
end
let(:array) { Kaminari::PaginatableArray.new((1..100).to_a) }
describe '#page' do
shared_examples_for 'the first page of array' do