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add current_page to PaginatableArray

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This commit is contained in:
Akira Matsuda 2011-08-17 20:58:20 +09:00
parent beeb13bbde
commit 7532ecc4fc
2 changed files with 6 additions and 2 deletions
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6
lib/kaminari/models/array_extension.rb
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@ -4,14 +4,16 @@ module Kaminari
include Kaminari::ConfigurationMethods::ClassMethods
attr_internal_accessor :limit_value, :offset_value
attr_internal_reader :current_page
def initialize(original_array, limit_val = default_per_page, offset_val = 0) #:nodoc:
@_original_array, @_limit_value, @_offset_value = original_array, limit_val, offset_val
super(original_array[offset_val, limit_val] || [])
@_original_array, @_limit_value, @_offset_value, @_current_page = original_array, limit_val.to_i, offset_val.to_i, nil
super(original_array[offset_value, limit_value] || [])
end
# items at the specified "page"
def page(num = 1)
@_current_page = num
offset(limit_value * ([num.to_i, 1].max - 1))
end

2
spec/models/array_spec.rb
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@ -5,6 +5,7 @@ describe Kaminari::PaginatableArray do
describe '#page' do
shared_examples_for 'the first page of array' do
it { should have(25).users }
its(:current_page) { should == 1 }
its(:first) { should == 1 }
end
@ -20,6 +21,7 @@ describe Kaminari::PaginatableArray do
context 'page 2' do
subject { array.page 2 }
it { should have(25).users }
its(:current_page) { should == 2 }
its(:first) { should == 26 }
end