Reformatted category list page and added category rename (#4287)

scripts/lua/rest/v2/get/category/category_list.lua

@@ -0,0 +1,43 @@
+--
+-- (C) 2021 - ntop.org
+--
+
+local dirs = ntop.getDirs()
+package.path = dirs.installdir .. "/scripts/lua/modules/?.lua;" .. package.path
+
+require "lua_utils"
+
+local categories_utils = require("categories_utils")
+local rest_utils = require "rest_utils"
+
+-- ################################################
+
+local ifid = _GET["ifid"] or interface.getId()
+interface.select(ifid)
+
+-- ################################################
+
+local items = interface.getnDPICategories()
+local res = {}
+
+for item_name, item_id in pairs(items) do
+  local hosts_list = categories_utils.getCustomCategoryHosts(item_id)
+  local num_hosts = #hosts_list
+  local num_protocols = table.len(interface.getnDPIProtocols(tonumber(item_id)))
+
+  items[item_name] = { name = item_name, id = item_id, num_hosts = num_hosts, hosts_list = hosts_list , num_protocols = num_protocols }
+
+  local record = {}
+
+  record["column_category_id"] = item_id
+  record["column_category_name"] = getCategoryLabel(item_name, item_id)
+  record["column_num_hosts"] = tostring(num_hosts)
+  record["column_num_protos"] = string.format('<a href="%s/lua/admin/edit_categories?tab=protocols&category=cat_%u">%s</a>', ntop.getHttpPrefix(), item_id, tostring(num_protocols))
+  record["column_category_hosts"] = table.concat(hosts_list, ",")
+
+  res[#res + 1] = record
+end
+
+-- ################################################
+
+rest_utils.answer(rest_utils.consts.success.ok, res)