Module: Tire::Model::Persistence::Attributes::InstanceMethods

Defined in:
lib/tire/model/persistence/attributes.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#id ⇒ Object

Returns the value of attribute id.



87
88
89
 
# File 'lib/tire/model/persistence/attributes.rb', line 87

def id
  @id
end

Instance Method Details

#__cast_value(name, value) ⇒ Object

Casts the values according to the :class option set when defining the property, cast Hashes as Hashr instances and automatically convert UTC formatted strings to Time.



122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
 
# File 'lib/tire/model/persistence/attributes.rb', line 122

def __cast_value(name, value)
  case

    when klass = self.class.property_types[name.to_sym]
      if klass.is_a?(Array) && value.is_a?(Array)
        value.map { |v| klass.first.new(v) }
      else
        klass.new(value)
      end

    when value.is_a?(Hash)
      Hashr.new(value)

    else
      # Strings formatted as <http://en.wikipedia.org/wiki/ISO8601> are automatically converted to Time
      value = Time.parse(value) if value.is_a?(String) && value =~ /^\d{4}[\/\-]\d{2}[\/\-]\d{2}T\d{2}\:\d{2}\:\d{2}Z$/
      value
  end
end

#__update_attributes(attributes) ⇒ Object 



114
115
116
 
# File 'lib/tire/model/persistence/attributes.rb', line 114

def __update_attributes(attributes)
  attributes.each { |name, value| send "#{name}=", __cast_value(name, value) }
end

#attribute_names ⇒ Object 



105
106
107
 
# File 'lib/tire/model/persistence/attributes.rb', line 105

def attribute_names
  self.class.properties.sort
end

#attributes ⇒ Object 



100
101
102
103
 
# File 'lib/tire/model/persistence/attributes.rb', line 100

def attributes
  self.class.properties.
    inject( self.id ? {'id' => self.id} : {} ) {|attributes, key| attributes[key] = send(key); attributes}
end

#has_attribute?(name) ⇒ Boolean Also known as: has_property?

Returns:

  • (Boolean) 


109
110
111
 
# File 'lib/tire/model/persistence/attributes.rb', line 109

def has_attribute?(name)
  properties.include?(name.to_s)
end

#initialize(attributes = {}) ⇒ Object 



89
90
91
92
93
94
95
96
97
98
 
# File 'lib/tire/model/persistence/attributes.rb', line 89

def initialize(attributes={})
  # Make a copy of objects in the property defaults hash, so default values such as `[]` or `{ foo: [] }` are left intact
  property_defaults = self.class.property_defaults.inject({}) do |hash, item|
    key, value = item
    hash[key.to_s] = value.class.respond_to?(:new) ? value.clone : value
    hash
  end

  __update_attributes(property_defaults.merge(attributes))
end