1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
|
--
-- (C) 2020-22 - ntop.org
--
local dirs = ntop.getDirs()
package.path = dirs.installdir .. "/scripts/lua/modules/?.lua;" .. package.path
require "lua_utils"
local json = require("dkjson")
local datatable_utils = {}
local REDIS_KEY = "ntopng.prefs.%s.table.%s.columns"
local function get_username()
local username = _SESSION["user"] or ''
if (isNoLoginUser()) then username = 'no_login' end
return username
end
---Save the columns visibility inside Redis
---@param table_name string The HTML table id
---@param columns string String containing ids separeted by comma
function datatable_utils.save_column_preferences(table_name, columns)
-- avoid the save of nil value
if columns == nil then return end
local key = string.format(REDIS_KEY, get_username(), table_name)
local cols = split(columns, ",")
ntop.setPref(key, json.encode(cols))
end
---Load saved column visibility from Redis
---@param table_name string The HTML table id
---@return table
function datatable_utils.load_saved_column_preferences(table_name)
local key = string.format(REDIS_KEY, get_username(), table_name)
local columns = ntop.getPref(key)
if isEmptyString(columns) then
return { -1 }
end
return json.decode(columns)
end
---Check if there are saved visible columns
---@param table_name string The HTML table id
---@return boolean
function datatable_utils.has_saved_column_preferences(table_name)
local key = string.format(REDIS_KEY, get_username(), table_name)
local columns = ntop.getPref(key)
return not isEmptyString(columns)
end
return datatable_utils
|
