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--
-- (C) 2020 - ntop.org
--
local dirs = ntop.getDirs()
package.path = dirs.installdir .. "/scripts/lua/modules/?.lua;" .. package.path
require "lua_utils"
local json = require("dkjson")
local http_lint = require("http_lint")
local datatable_utils = require("datatable_utils")
---Report an error message for the developer
---@param msg string
local function reportError(msg)
print(json.encode({ message = msg, success = false }))
end
local result = {success = true, message = nil, columns = nil}
local action = _GET["action"] or _POST["action"]
local table_name = _GET["table"] or _POST["table"]
sendHTTPContentTypeHeader('application/json')
if isEmptyString(table_name) then
reportError("The table param cannot be empty!")
return
end
if action == "load" then
result.columns = datatable_utils.load_saved_column_preferences(table_name)
result.message = "Columns loaded."
elseif action == "save" then
local columns = _POST["columns"] or ''
datatable_utils.save_column_preferences(table_name, columns)
result.message = "Columns visibility saved."
else
reportError("Invalid action. The action can be 'load' or 'save'.")
return
end
print(json.encode(result))
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