Module: ExtendIt::ArrayOf::ArrayClassMethods

Includes:
ExtendIt::Asserts
Defined in:
lib/extend_it/array_of.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#finder ⇒ Object (readonly)

Returns the value of attribute finder.



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# File 'lib/extend_it/array_of.rb', line 25

def finder
  @finder
end

#scopes ⇒ Object (readonly)

Returns the value of attribute scopes.



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# File 'lib/extend_it/array_of.rb', line 25

def scopes
  @scopes
end

Instance Method Details

#entity?(obj) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/extend_it/array_of.rb', line 35

def entity?(obj)
  obj.is_a?(@entity_class)
end

#find_by(name, &block) ⇒ Object 



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# File 'lib/extend_it/array_of.rb', line 50

def find_by(name, &block)
  assert_symbol(:name)
  @finder = block.nil? ? proc { |e| e.send(name) } : block
end

#has_finder? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/extend_it/array_of.rb', line 55

def has_finder?
  !@finder.nil?
end

#scope(*names, &block) ⇒ Object 



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# File 'lib/extend_it/array_of.rb', line 39

def scope(*names, &block)
  names.flatten.uniq.each do |name|
    name = name.ensure_symbol || next
    @scopes[name] = block.nil? ? proc { |e| e.send(name) } : block
    str = name.to_s
    if str[-1] == '?'
      @scopes[str[0..-2].to_sym] = block.nil? ? proc { |e| e.send(name) } : block
    end
  end
end

#select(arr) ⇒ Object 



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# File 'lib/extend_it/array_of.rb', line 27

def select(arr)
  if arr.is_a?(self)
    arr.to_a
  else
    arr.select { |a| a.is_a?(@entity_class) }
  end
end