Class: Kaminari::ActiveGraph::Paginated

Inherits:
Object
  • Object
show all
Includes:
Enumerable, CriteriaMethods, ConfigurationMethods::ClassMethods
Defined in:
lib/kaminari/active_graph/paginated.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Methods included from CriteriaMethods

#entry_name, #limit_value, #offset_value, #total_count

Constructor Details

#initialize(source, current_page, per_page = nil) ⇒ Paginated

Returns a new instance of Paginated.



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# File 'lib/kaminari/active_graph/paginated.rb', line 14

def initialize(source, current_page, per_page = nil)
  self.source = source
  self.current_page = (current_page || 1).to_i
  self.current_page = 1 if self.current_page < 1
  self.per_page = (per_page || default_per_page).to_i
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(name, *args, &block) ⇒ Object 



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# File 'lib/kaminari/active_graph/paginated.rb', line 29

def method_missing(name, *args, &block)
  items.respond_to?(name) ? items.send(name, *args, &block) : super
end

Instance Attribute Details

#current_page ⇒ Object

Returns the value of attribute current_page.



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# File 'lib/kaminari/active_graph/paginated.rb', line 8

def current_page
  @current_page
end

#per_page ⇒ Object

Returns the value of attribute per_page.



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# File 'lib/kaminari/active_graph/paginated.rb', line 8

def per_page
  @per_page
end

#source ⇒ Object

Returns the value of attribute source.



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# File 'lib/kaminari/active_graph/paginated.rb', line 8

def source
  @source
end

Class Method Details

.create_from(source, page, per_page = nil) ⇒ Object 



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# File 'lib/kaminari/active_graph/paginated.rb', line 37

def self.create_from(source, page, per_page = nil)
  new(source, page, per_page)
end

Instance Method Details

#items ⇒ Object 



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# File 'lib/kaminari/active_graph/paginated.rb', line 25

def items
  @items ||= source.skip((current_page - 1) * per_page).limit(per_page)
end

#per(num) ⇒ Object 



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# File 'lib/kaminari/active_graph/paginated.rb', line 41

def per(num)
  self.class.create_from(source, current_page, num)
end

#pluck(*args) ⇒ Object 



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# File 'lib/kaminari/active_graph/paginated.rb', line 45

def pluck(*args)
  @items = source.pluck(*args)
  self
end

#respond_to_missing?(name, include_private = false) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/kaminari/active_graph/paginated.rb', line 33

def respond_to_missing?(name, include_private = false)
  items.respond_to?(name, include_private) || super
end

#to_ary ⇒ Object 



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# File 'lib/kaminari/active_graph/paginated.rb', line 50

def to_ary
  items.to_a
end

#total ⇒ Object 



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# File 'lib/kaminari/active_graph/paginated.rb', line 21

def total
  source.count
end