Module: ActiveType::VirtualAttributes
- Extended by:
- ActiveSupport::Concern
- Included in:
- Object, Record
- Defined in:
- lib/active_type/virtual_attributes.rb
Defined Under Namespace
Modules: ClassMethods
Classes: Builder, VirtualColumn
Class Method Summary
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Instance Method Summary
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Class Method Details
.attribute_for_inspect(value) ⇒ Object
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# File 'lib/active_type/virtual_attributes.rb', line 192
def self.attribute_for_inspect(value)
if value.is_a?(String) && value.length > 50
"#{value[0, 50]}...".inspect
elsif value.is_a?(Date) || value.is_a?(Time)
%("#{value.to_s(:db)}")
elsif value.is_a?(Array) && value.size > 10
inspected = value.first(10).inspect
%(#{inspected[0...-1]}, ...])
else
value.inspect
end
end
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.deep_dup(hash) ⇒ Object
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# File 'lib/active_type/virtual_attributes.rb', line 103
def self.deep_dup(hash)
result = hash.dup
result.each do |key, value|
result[key] = value.dup if value.duplicable?
end
result
end
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Instance Method Details
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# File 'lib/active_type/virtual_attributes.rb', line 134
def [](name)
if self.singleton_class._has_virtual_column?(name)
read_virtual_attribute(name)
else
super
end
end
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#[]=(name, value) ⇒ Object
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# File 'lib/active_type/virtual_attributes.rb', line 151
def []=(name, value)
if self.singleton_class._has_virtual_column?(name)
write_virtual_attribute(name, value)
else
super
end
end
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#_read_attribute(name) ⇒ Object
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# File 'lib/active_type/virtual_attributes.rb', line 143
def _read_attribute(name)
if self.singleton_class._has_virtual_column?(name)
read_virtual_attribute(name)
else
super
end
end
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#attributes ⇒ Object
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# File 'lib/active_type/virtual_attributes.rb', line 159
def attributes
self.class._virtual_column_names.each_with_object(super) do |name, attrs|
attrs[name] = read_virtual_attribute(name)
end
end
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#initialize_dup(other) ⇒ Object
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# File 'lib/active_type/virtual_attributes.rb', line 119
def initialize_dup(other)
@virtual_attributes_cache = {}
@virtual_attributes = VirtualAttributes.deep_dup(virtual_attributes)
super
end
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Returns the contents of the record as a nicely formatted string.
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# File 'lib/active_type/virtual_attributes.rb', line 185
def inspect
inspection = attributes.collect do |name, value|
"#{name}: #{VirtualAttributes.attribute_for_inspect(value)}"
end.sort.compact.join(", ")
"#<#{self.class} #{inspection}>"
end
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#read_virtual_attribute(name) ⇒ Object
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# File 'lib/active_type/virtual_attributes.rb', line 165
def read_virtual_attribute(name)
name = name.to_s
if virtual_attributes_cache.has_key?(name)
virtual_attributes_cache[name]
else
virtual_attributes_cache[name] = begin
virtual_column = self.singleton_class._virtual_column(name)
raw_value = virtual_attributes.fetch(name) { virtual_column.default_value(self) }
virtual_column.type_cast(raw_value)
end
end
end
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#virtual_attributes ⇒ Object
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# File 'lib/active_type/virtual_attributes.rb', line 126
def virtual_attributes
@virtual_attributes ||= {}
end
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#virtual_attributes_cache ⇒ Object
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# File 'lib/active_type/virtual_attributes.rb', line 130
def virtual_attributes_cache
@virtual_attributes_cache ||= {}
end
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#write_virtual_attribute(name, value) ⇒ Object
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# File 'lib/active_type/virtual_attributes.rb', line 178
def write_virtual_attribute(name, value)
name = name.to_s
virtual_attributes_cache.delete(name)
virtual_attributes[name] = value
end
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