def get_data_name_for_sort_param(sortable_name, *args)
if args.size >= 1
if args.first.kind_of?(Class)
model = args.first
if args.size >= 2
field = args[1].to_s
if args.size == 3
data_name = args[2].to_s
else args.size == 2
data_name = model.table_name+'.'+field
end
else
raise sch_err_msg
end
elsif args.first.kind_of?(Hash)
if !args.first[:model].blank? && args.first[:model].kind_of?(Class)
model = args.first[:model]
if !args.first[:field].blank?
field = args.first[:field].to_s
data_name = model.table_name+'.'+field
end
elsif !args.first[:field].blank? || !args.first[:alias].blank?
if !args.first[:field].blank?
field = args.first[:field].to_s
data_name = field
end
if !args.first[:alias].blank?
col_alias = args.first[:alias].to_s
if col_alias[-1].chr == '!'
col_alias.chop!
got_chopped = true
end
data_name = col_alias
end
else
raise sch_err_msg
end
else
data_name = args.first.to_s
if data_name[-1].chr == '!'
data_name.chop!
got_chopped = true
end
end
else
raise sch_err_msg
end
data_name ||= nil
got_chopped ||= false
return data_name, got_chopped
end