1 --[[--

2 values = -- list of values casted to the chosen param_type

3 param.get_list(

4 key, -- name of the parameter without "[]" suffix

5 param_type -- desired type of the returned values

6 )

7

8 Same as param.get(...), but used for parameters which contain a list of values. For external GET/POST parameters the parameter name gets suffixed with "[]".

9

10 --]]--

11

12 function param.get_list(key, param_type)

13 local param_type = param_type or atom.string

14 if param._exchanged then

15 local values = param._exchanged.params[key] or {}

16 if type(values) ~= "table" then

17 error("Parameter has unexpected type.")

18 end

19 for idx, value in ipairs(values) do

20 if not atom.has_type(value, param_type) then

21 error("Element of parameter list has unexpected type.")

22 end

23 end

24 return values

25 else

26 local format_info = request.get_param{ name = key .. "__format" }

27 local parser = param._get_parser(format_info, param_type)

28 local raw_values = request.get_param{ name = key .. "[]", multiple = true }

29 local values = {}

30 if raw_values then

31 for idx, value in ipairs(raw_values) do

32 values[idx] = parser(raw_values[idx])

33 end

34 end

35 return values

36 end

37 end