Class: Bagman::Bag
- Inherits:
-
Object
- Object
- Bagman::Bag
- Defined in:
- lib/bagman/bag.rb
Instance Attribute Summary collapse
-
#columns ⇒ Object
(also: #fields)
readonly
Returns the value of attribute columns.
-
#target_class ⇒ Object
readonly
Returns the value of attribute target_class.
-
#top_level_mixin ⇒ Object
readonly
Returns the value of attribute top_level_mixin.
Class Method Summary collapse
Instance Method Summary collapse
- #bag_field(name, type, options, &blk) ⇒ Object
- #collection(name, type, options = {}, &blk) ⇒ Object
- #crypto_field(name, type, options, &blk) ⇒ Object
- #field(name, *args, &blk) ⇒ Object
-
#index ⇒ Object
Indices.
-
#initialize(target_class, &blk) ⇒ Bag
constructor
A new instance of Bag.
-
#materialise ⇒ Object
Materialise.
- #unbagged_field(name, type, options, &blk) ⇒ Object
- #uncast_bag_field(name, type, options, &blk) ⇒ Object
- #validate ⇒ Object
-
#validates_presence_of ⇒ Object
Validations.
- #validates_storage_type_of ⇒ Object
Constructor Details
#initialize(target_class, &blk) ⇒ Bag
Returns a new instance of Bag.
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# File 'lib/bagman/bag.rb', line 5 def initialize(target_class,&blk) @target_class = target_class @top_level_mixin = Module.new do include AngryHash::Extension end @columns = [] instance_eval(&blk) end |
Instance Attribute Details
#columns ⇒ Object (readonly) Also known as: fields
Returns the value of attribute columns.
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# File 'lib/bagman/bag.rb', line 3 def columns @columns end |
#target_class ⇒ Object (readonly)
Returns the value of attribute target_class.
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# File 'lib/bagman/bag.rb', line 3 def target_class @target_class end |
#top_level_mixin ⇒ Object (readonly)
Returns the value of attribute top_level_mixin.
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# File 'lib/bagman/bag.rb', line 3 def top_level_mixin @top_level_mixin end |
Class Method Details
.serialise_value(value, options) ⇒ Object
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# File 'lib/bagman/bag.rb', line 128 def self.serialise_value(value, ) if s = [:serialize] s[value] elsif value.is_a? Date value.to_s(:db) else value.to_s end end |
Instance Method Details
#bag_field(name, type, options, &blk) ⇒ Object
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# File 'lib/bagman/bag.rb', line 40 def bag_field(name, type, , &blk) @columns << (column = SimpleColumn.new(name, :bag, type, )) target_class.send :define_method, name do column.type_cast( self.bag[name] ) end if type == :boolean target_class.send :define_method, "#{name}?" do column.type_cast( self.bag[name] ) end end target_class.send :define_method, "#{name}=" do |value| if index_name = column.index_name write_attribute(index_name, value) end self.bag[name] = if s = [:serialize] s[value] elsif value.is_a? Date value.to_s(:db) else value.to_s end end end |
#collection(name, type, options = {}, &blk) ⇒ Object
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# File 'lib/bagman/bag.rb', line 139 def collection(name,type,={},&blk) @top_level_mixin.module_eval do extend_array name, type end target_class.send :define_method, name do self.bag[name] end target_class.send :define_method, "#{name}=" do |value| if value.is_a? Hash value = value.sort_by { |index, _| index.to_i }.map { |_, attributes| attributes } end self.bag[name] = value end end |
#crypto_field(name, type, options, &blk) ⇒ Object
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# File 'lib/bagman/bag.rb', line 82 def crypto_field(name, type, , &blk) name = name.to_s @columns << (column = SimpleColumn.new(name, :crypto, type, )) target_class.send :define_method, name do column.type_cast( self.crypto_pocket[name] ) end target_class.send :define_method, "#{name}_before_type_cast" do self.crypto_pocket[name] end if [:shadow] target_class.send :define_method, "#{name}_shadow" do read_attribute(name) end end target_class.send :define_method, "#{name}=" do |value| # we need to flag bag as dirty, or we're never saved. self.bag_will_change! self.crypto_pocket[name] = final_value = Bagman::Bag.serialise_value(value, ) if pepper = [:shadow] shadowed = case pepper when String Gibberish::SHA256( pepper + '--' + final_value ) when Symbol send(pepper, final_value) else Gibberish::SHA256( final_value ) end write_attribute(name, shadowed) end end end |
#field(name, *args, &blk) ⇒ Object
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# File 'lib/bagman/bag.rb', line 19 def field(name,*args,&blk) = args. type = args.shift || :string if [:unbagged] # no-op # unbagged_field(name, type, options, &blk) elsif [:encrypted] crypto_field(name, type, , &blk) elsif [:uncast] uncast_bag_field(name, type, , &blk) else bag_field(name, type, , &blk) end end |
#index ⇒ Object
Indices
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# File 'lib/bagman/bag.rb', line 158 def index(*) end |
#materialise ⇒ Object
Materialise
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# File 'lib/bagman/bag.rb', line 162 def materialise(*) end |
#unbagged_field(name, type, options, &blk) ⇒ Object
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# File 'lib/bagman/bag.rb', line 123 def unbagged_field(name, type, , &blk) end |
#uncast_bag_field(name, type, options, &blk) ⇒ Object
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# File 'lib/bagman/bag.rb', line 69 def uncast_bag_field(name, type, , &blk) name = name.to_s target_class.send :define_method, name do self.bag[name] end target_class.send :define_method, "#{name}=" do |value| self.bag[name] = value end end |
#validate ⇒ Object
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# File 'lib/bagman/bag.rb', line 172 def validate(*) end |
#validates_presence_of ⇒ Object
Validations
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# File 'lib/bagman/bag.rb', line 166 def validates_presence_of(*) end |
#validates_storage_type_of ⇒ Object
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# File 'lib/bagman/bag.rb', line 169 def validates_storage_type_of(*) end |