Class: SampleModels::Model

Inherits:
Delegator
  • Object
show all
Defined in:
lib/sample_models/model.rb

Defined Under Namespace

Classes: Association, Validation

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(ar_class) ⇒ Model

Returns a new instance of Model.



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# File 'lib/sample_models/model.rb', line 7

def initialize(ar_class)
  @ar_class = ar_class
  @validations = Hash.new { |h,k| h[k] = [] }
end

Instance Attribute Details

#ar_class ⇒ Object (readonly)

Returns the value of attribute ar_class.



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# File 'lib/sample_models/model.rb', line 5

def ar_class
  @ar_class
end

Instance Method Details

#__getobj__ ⇒ Object 



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# File 'lib/sample_models/model.rb', line 12

def __getobj__
  @ar_class
end

#associations ⇒ Object 



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# File 'lib/sample_models/model.rb', line 16

def associations
  @ar_class.reflect_on_all_associations.map { |a| Association.new(a) }
end

#belongs_to_association(name) ⇒ Object 



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# File 'lib/sample_models/model.rb', line 20

def belongs_to_association(name)
  belongs_to_associations.detect { |a| a.name.to_s == name.to_s }
end

#belongs_to_associations ⇒ Object 



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# File 'lib/sample_models/model.rb', line 24

def belongs_to_associations
  associations.select { |a| a.belongs_to? }
end

#has_many_associations ⇒ Object 



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# File 'lib/sample_models/model.rb', line 28

def has_many_associations
  associations.select { |a| a.has_many? }
end

#record_validation(*args) ⇒ Object 



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# File 'lib/sample_models/model.rb', line 32

def record_validation(*args)
  type = args.shift
  config = args.extract_options!
  fields = args
  fields.each do |field|
    @validations[field.to_s] << Validation.new(type, config)
  end
end

#unique?(field, value) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/sample_models/model.rb', line 41

def unique?(field, value)
  @ar_class.count(:conditions => {field => value}) == 0
end

#validated_attr_accessors ⇒ Object 



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# File 'lib/sample_models/model.rb', line 45

def validated_attr_accessors
  @validations.keys.select { |key|
    columns.none? { |column| column.name.to_s == key.to_s }
  }
end

#validations(name) ⇒ Object 



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# File 'lib/sample_models/model.rb', line 51

def validations(name)
  @validations[name.to_s]
end