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# File 'lib/spiderfw/model/active_record.rb', line 60
def define_from_ar
ar = @ar
type_conversion = {
:integer => Fixnum,
:float => Float,
:decimal => BigDecimal,
:datetime => DateTime,
:date => Date,
:timestamp => DateTime,
:time => DateTime,
:string => String,
:text => Spider::DataTypes::Text,
:binary => Spider::DataTypes::Binary,
:boolean => Spider::DataTypes::Bool
}
skip_columns = {}
ar.reflections.each do |name, refl|
begin
skip_columns[refl.association_foreign_key.to_sym] = true
skip_columns[refl.primary_key_name.to_sym] = true
rescue NoMethodError
end
end
tree_options = nil
if (ar.respond_to?(:acts_as_nested_set_options))
tree_options = ar.acts_as_nested_set_options
skip_columns[tree_options[:parent_column].to_sym] = true
skip_columns[tree_options[:left_column].to_sym] = true
skip_columns[tree_options[:right_column].to_sym] = true
end
@ar_schema = {:table => ar.table_name, :columns => {}}
ar.columns.each do |col|
options = {}
name = col.name.to_sym
name = :obj_created if name == :created_on
name = :obj_modified if name == :updated_on
column = col.name
type = type_conversion[col.type]
skip = skip_columns[name]
if ar.primary_key == column
options[:primary_key] = true
options[:autoincrement] = true
end
hidden = [:obj_created, :obj_modified]
options[:hidden] = true if hidden.include?(name)
next if skip
@ar_schema[:columns][name] = col.name
next unless type
self.element(name, type, options)
end
ar.reflections.each do |name, reflection|
options = {}
association = nil
if (reflection.macro == :belongs_to)
association = nil
else
association = :many
options[:multiple] = true
options[:has_single_reverse] = true
end
options[:association] = association
if (reflection.options[:polymorphic])
self.element(name, Fixnum, options)
@ar_schema[:columns][name] = reflection.primary_key_name.to_s
next
end
begin
if (reflection.through_reflection)
klass = reflection.through_reflection.klass
options[:junction] = true
klass.reflections.each do |r_name, r_refl|
if (r_refl.klass == ar && r_refl.primary_key_name == reflection.primary_key_name)
options[:junction_their_element] = r_name
elsif(r_refl.klass == reflection.klass && r_refl.primary_key_name == reflection.association_foreign_key)
options[:junction_our_element] = r_name
end
end
assoc_type = klass.spider_model
options[:association_type] = assoc_type
type = reflection.klass.spider_model
options[:junction_id] = :id
options.delete(:has_single_reverse)
elsif (reflection.options[:join_table])
klass = reflection.klass
type = klass.spider_model
junction_model_name = Spider::Inflector.camelize([ar.name.to_s, klass.name.to_s].sort.join('_')).to_sym
pm = self.parent_module
self_name = ar.name.downcase.to_sym
other_name = klass.name.downcase.to_sym
options[:junction_their_element] = other_name
options[:junction_our_element] = self_name
options[:junction] = true
options[:reverse] = self_name
if (pm.const_defined?(junction_model_name))
junction_mod = pm.const_get(junction_model_name)
else
junction_mod = Class.new(Spider::Model::BaseModel)
pm.const_set(junction_model_name, junction_mod)
junction_mod.attributes[:sub_model] = ar.spider_model
junction_mod.element(self_name, ar.spider_model, :hidden => true, :reverse => name, :primary_key => true)
junction_mod.element(other_name, type, :primary_key => true)
junction_mod.ar_defined = true
end
unless junction_mod.is_a?(ActiveRecordModel)
junction_mod.instance_eval do
include ActiveRecordModel
end
end
junction_mod.instance_variable_set("@ar_schema", {
:table => reflection.options[:join_table],
:columns => {
self_name => "#{ar.name.downcase}_id",
other_name => "#{klass.name.downcase}_id"
}
})
options[:through] = junction_mod
options[:association_type] = junction_mod
options[:junction_id] = :id
options.delete(:has_single_reverse)
else
klass = reflection.klass
type = klass.spider_model
end
klass.reflections.each do |r_name, r_refl|
begin
if (r_refl.klass == ar && r_refl.primary_key_name == reflection.primary_key_name)
options[:reverse] = r_name
end
rescue => exc
end
end
type ||= klass.spider_model
rescue NameError => exc
next
end
next unless type
next if options[:junction] && (!options[:junction_their_element] || !options[:junction_our_element])
self.element(name, type, options)
unless reflection.options[:join_table]
if (reflection.table_name == ar.table_name)
@ar_schema[:columns][name] = reflection.association_foreign_key
elsif (!(reflection.macro == :has_many || reflection.through_reflection))
@ar_schema[:columns][name] = reflection.primary_key_name.to_s
end
end
end
if (tree_options)
include Spider::Model::Tree
self.tree :children, :tree_left => :lft, :tree_right => :rgt, :reverse => :parent, :tree_depth => :depth
@ar_schema[:columns].merge!({
:lft => tree_options[:left_column],
:rgt => tree_options[:right_column],
:parent => tree_options[:parent_column]
})
end
def get_connection_url(conf)
url = case conf['adapter']
when 'mysql'
str = "db:mysql://#{conf['username']}:#{conf['password']}@#{conf['host']}"
str += conf['port'] if conf['port']
str += "/#{conf['database']}"
str
end
return url
end
if (@rails_app_name)
rails_app_name = @rails_app_name
elsif (const_defined?("SETTINGS") && SETTINGS.is_a?(Hash))
rails_app_name = SETTINGS[:app_name]
elsif const_defined?("APP_NAME")
rails_app_name = APP_NAME
else
rails_app_name = 'rails'
end
Spider.conf.set("storages.#{rails_app_name}.url", get_connection_url(ar.configurations['production']))
self.use_storage(rails_app_name)
end
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