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Versions: 13
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Stored size: 1.28 KB
Contents
module Superstore
module Associations
class Reflection
attr_reader :macro, :name, :model, :options
def initialize(macro, name, model, options)
@macro = macro
@name = name
@model = model
@options = options
end
def association_class
case macro
when :belongs_to
Superstore::Associations::BelongsTo
when :has_many
Superstore::Associations::HasMany
when :has_one
Superstore::Associations::HasOne
end
end
def instance_variable_name
"@#{name}"
end
def foreign_key
@foreign_key ||= options[:foreign_key] || derive_foreign_key
end
def primary_key
options[:primary_key] || "id"
end
def default_primary_key?
primary_key == "id"
end
def polymorphic_column
"#{name}_type"
end
def polymorphic?
options[:polymorphic]
end
def class_name
@class_name ||= (options[:class_name] || name.to_s.classify)
end
private
def derive_foreign_key
case macro
when :has_many, :has_one
model.name.foreign_key
when :belongs_to
"#{name}_id"
end
end
end
end
end
Version data entries
13 entries across 13 versions & 1 rubygems