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module Searchlogic
module NamedScopes
# Handles dynamically creating named scopes for orderin by columns.
module Ordering
def local_condition?(name) # :nodoc:
super || order_condition?(name)
end
def primary_condition_name(name) # :nodoc
if result = super
result
elsif order_condition?(name)
name.to_sym
else
nil
end
end
def order_condition?(name) # :nodoc:
!order_condition_details(name).nil?
end
private
def method_missing(name, *args, &block)
if name == :order
named_scope name, lambda { |scope_name|
return {} if !order_condition?(scope_name)
send(scope_name).proxy_options
}
send(name, *args)
elsif details = order_condition_details(name)
create_order_conditions(details[:column])
send(name, *args)
else
super
end
end
def order_condition_details(name)
if name.to_s =~ /^(ascend|descend)_by_(#{column_names.join("|")})$/
{:order_as => $1, :column => $2}
elsif name.to_s =~ /^order$/
{}
end
end
def create_order_conditions(column)
named_scope("ascend_by_#{column}".to_sym, {:order => "#{table_name}.#{column} ASC"})
named_scope("descend_by_#{column}".to_sym, {:order => "#{table_name}.#{column} DESC"})
end
end
end
end
Version data entries
16 entries across 16 versions & 4 rubygems