Class: DataMapper::Reflection::Builders::Source::Model

Inherits:
Object
  • Object
show all
Defined in:
lib/dm-reflection/builders/source_builder.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#model ⇒ Object

Returns the value of attribute model.



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# File 'lib/dm-reflection/builders/source_builder.rb', line 12

def model
  @model
end

Class Method Details

.to_ruby(model) ⇒ Object

Raises:

  • (DataMapper::IncompleteModelError) 


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# File 'lib/dm-reflection/builders/source_builder.rb', line 14

def self.to_ruby(model)
  builder = new(model)
  raise DataMapper::IncompleteModelError unless builder.complete_model?
  builder.to_ruby
end

Instance Method Details

#complete_model? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/dm-reflection/builders/source_builder.rb', line 93

def complete_model?
  key_properties.any?
end

#foreign_key_properties ⇒ Object 



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# File 'lib/dm-reflection/builders/source_builder.rb', line 58

def foreign_key_properties
  []
end

#key_properties ⇒ Object 



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# File 'lib/dm-reflection/builders/source_builder.rb', line 54

def key_properties
  model.key
end

#many_to_many_relationships(repository = :default) ⇒ Object 



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# File 'lib/dm-reflection/builders/source_builder.rb', line 86

def many_to_many_relationships(repository = :default)
  model.relationships(repository).select do |_, relationship|
    relationship.is_a?(DataMapper::Associations::ManyToMany::Relationship)
  end
end

#many_to_one_relationships(repository = :default) ⇒ Object 



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# File 'lib/dm-reflection/builders/source_builder.rb', line 67

def many_to_one_relationships(repository = :default)
  model.relationships(repository).select do |_, relationship|
    relationship.is_a?(DataMapper::Associations::ManyToOne::Relationship)
  end
end

#one_to_many_relationships(repository = :default) ⇒ Object 



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# File 'lib/dm-reflection/builders/source_builder.rb', line 79

def one_to_many_relationships(repository = :default)
  model.relationships(repository).select do |_, relationship|
    relationship.is_a?(DataMapper::Associations::OneToMany::Relationship) &&
    !relationship.is_a?(DataMapper::Associations::ManyToMany::Relationship)
  end
end

#one_to_one_relationships(repository = :default) ⇒ Object 



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# File 'lib/dm-reflection/builders/source_builder.rb', line 73

def one_to_one_relationships(repository = :default)
  model.relationships(repository).select do |_, relationship|
    relationship.is_a?(DataMapper::Associations::OneToOne::Relationship)
  end
end

#regular_properties ⇒ Object 



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# File 'lib/dm-reflection/builders/source_builder.rb', line 62

def regular_properties
  model.properties - model.key - foreign_key_properties
end

#to_ruby ⇒ Object 



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# File 'lib/dm-reflection/builders/source_builder.rb', line 21

def to_ruby
  ruby  = "class #{model}\n"
  ruby += "\n"
  ruby += "  include DataMapper::Resource\n"
  property_definitions(key_properties).each do |key_definition|
    ruby += "\n  #{key_definition}"
  end
  ruby += "\n"
  property_definitions(foreign_key_properties).each do |foreign_key_definition|
    ruby += "\n  #{foreign_key_definition}"
  end
  property_definitions(regular_properties).each do |property_definition|
    ruby += "\n  #{property_definition}"
  end
  ruby += "\n"
  relationship_definitions(many_to_one_relationships).each do |relationship_definition|
    ruby += "\n  #{relationship_definition}"
  end
  relationship_definitions(one_to_one_relationships).each do |relationship_definition|
    ruby += "\n  #{relationship_definition}"
  end
  relationship_definitions(one_to_many_relationships).each do |relationship_definition|
    ruby += "\n  #{relationship_definition}"
  end
  relationship_definitions(many_to_many_relationships).each do |relationship_definition|
    ruby += "\n  #{relationship_definition}"
  end
  ruby += "\n"
  ruby += "\nend\n"
end