Class: GroupedScope::SelfGroupping

Inherits:
Object
  • Object
show all
Defined in:
lib/grouped_scope/self_grouping.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(proxy_owner) ⇒ SelfGroupping

Returns a new instance of SelfGroupping.

Raises:



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# File 'lib/grouped_scope/self_grouping.rb', line 15

def initialize(proxy_owner)
  raise NoGroupIdError.new(proxy_owner) unless proxy_owner.class.column_names.include?('group_id')
  @proxy_owner = proxy_owner
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(method, *args) ⇒ Object (private) 



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# File 'lib/grouped_scope/self_grouping.rb', line 94

def method_missing(method, *args)
  if proxy_class.grouped_reflections[method]
    if block_given?
      proxy_owner.send(:"grouped_scope_#{method}", *args)  { |*block_args| yield(*block_args) }
    else
      proxy_owner.send(:"grouped_scope_#{method}", *args)
    end
  elsif grouped_proxy.respond_to?(method)
    if block_given?
      grouped_proxy.send(method, *args)  { |*block_args| yield(*block_args) }
    else
      grouped_proxy.send(method, *args)
    end
  else
    super
  end
end

Instance Attribute Details

#proxy_owner ⇒ Object (readonly)

Returns the value of attribute proxy_owner.



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# File 'lib/grouped_scope/self_grouping.rb', line 4

def proxy_owner
  @proxy_owner
end

#reflection ⇒ Object (readonly)

Returns the value of attribute reflection.



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# File 'lib/grouped_scope/self_grouping.rb', line 4

def reflection
  @reflection
end

Instance Method Details

#blank? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/grouped_scope/self_grouping.rb', line 20

def blank?
  proxy_owner.group_id.blank?
end

#ids ⇒ Object 



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# File 'lib/grouped_scope/self_grouping.rb', line 28

def ids
  grouped_scoped_ids.map(&primary_key.to_sym)
end

#ids_sql ⇒ Object 



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# File 'lib/grouped_scope/self_grouping.rb', line 32

def ids_sql
  Arel.sql(grouped_scoped_ids.to_sql)
end

#present? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/grouped_scope/self_grouping.rb', line 24

def present?
  !blank?
end

#quoted_ids ⇒ Object 



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# File 'lib/grouped_scope/self_grouping.rb', line 36

def quoted_ids
  ids.map { |id| quote_value(id,columns_hash[primary_key]) }.join(',')
end

#respond_to?(method, include_private = false) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/grouped_scope/self_grouping.rb', line 47

def respond_to?(method, include_private=false)
  super || proxy_class.grouped_reflections[method].present? || grouped_proxy.respond_to?(method, include_private)
end

#with_reflection(reflection) ⇒ Object 



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# File 'lib/grouped_scope/self_grouping.rb', line 40

def with_reflection(reflection)
  @reflection = reflection
  yield
ensure
  @reflection = nil
end