Parent

OrmAdapter::ActiveRecord

Public Instance Methods

column_names() click to toggle source

Return list of column/property names

# File lib/orm_adapter/adapters/active_record.rb, line 6
def column_names
  klass.column_names
end
create!(attributes = {}) click to toggle source

@see OrmAdapter::Base#create!

# File lib/orm_adapter/adapters/active_record.rb, line 33
def create!(attributes = {})
  klass.create!(attributes)
end
destroy(object) click to toggle source

@see OrmAdapter::Base#destroy

# File lib/orm_adapter/adapters/active_record.rb, line 38
def destroy(object)
  object.destroy && true if valid_object?(object)
end
find_all(options = {}) click to toggle source

@see OrmAdapter::Base#find_all

# File lib/orm_adapter/adapters/active_record.rb, line 27
def find_all(options = {})
  conditions, order, limit, offset = extract_conditions!(options)
  klass.where(conditions_to_fields(conditions)).order(*order_clause(order)).limit(limit).offset(offset).all
end
find_first(options = {}) click to toggle source

@see OrmAdapter::Base#find_first

# File lib/orm_adapter/adapters/active_record.rb, line 21
def find_first(options = {})
  conditions, order = extract_conditions!(options)
  klass.where(conditions_to_fields(conditions)).order(*order_clause(order)).first
end
get(id) click to toggle source

@see OrmAdapter::Base#get

# File lib/orm_adapter/adapters/active_record.rb, line 16
def get(id)
  klass.where(klass.primary_key => wrap_key(id)).first
end
get!(id) click to toggle source

@see OrmAdapter::Base#get!

# File lib/orm_adapter/adapters/active_record.rb, line 11
def get!(id)
  klass.find(wrap_key(id))
end

Protected Instance Methods

conditions_to_fields(conditions) click to toggle source

Introspects the klass to convert and objects in conditions into foreign key and type fields

# File lib/orm_adapter/adapters/active_record.rb, line 45
def conditions_to_fields(conditions)
  fields = {}
  conditions.each do |key, value|
    if value.is_a?(::ActiveRecord::Base) && (assoc = klass.reflect_on_association(key.to_sym)) && assoc.belongs_to?

      if ::ActiveRecord::VERSION::STRING < "3.1"
        fields[assoc.primary_key_name] = value.send(value.class.primary_key)
        fields[assoc.options[:foreign_type]] = value.class.base_class.name.to_s if assoc.options[:polymorphic]
      else # >= 3.1
        fields[assoc.foreign_key] = value.send(value.class.primary_key)
        fields[assoc.foreign_type] = value.class.base_class.name.to_s if assoc.options[:polymorphic]
      end

    else
      fields[key] = value
    end
  end
  fields
end
order_clause(order) click to toggle source
# File lib/orm_adapter/adapters/active_record.rb, line 65
def order_clause(order)
  order.map {|pair| "#{pair[0]} #{pair[1]}"}.join(",")
end

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