Fixes Score Network alert (#6366)

scripts/lua/modules/alert_definitions/other/alert_network_score_per_host.lua

@@ -0,0 +1,64 @@
+--
+-- (C) 2019-22 - ntop.org
+--
+
+-- ##############################################
+
+local other_alert_keys = require "other_alert_keys"
+local format_utils = require "format_utils"
+-- Import the classes library.
+local classes = require "classes"
+-- Make sure to import the Superclass!
+local alert = require "alert"
+
+-- ##############################################
+
+local alert_network_score_per_host = classes.class(alert)
+
+-- ##############################################
+
+alert_network_score_per_host.meta = {
+  alert_key = other_alert_keys.alert_network_score_per_host,
+  i18n_title = "checks.network_score_per_host_title",
+  icon = "fas fa-fw fa-arrow-circle-up",
+}
+
+-- ##############################################
+
+-- @brief Prepare an alert table used to generate the alert
+-- @param metric Same as `alert_subtype`
+-- @param value A number indicating the measure which crossed the threshold
+-- @param operator A string indicating the operator used when evaluating the threshold, one of "gt", ">", "<"
+-- @param threshold A number indicating the threshold compared with `value`  using operator
+-- @return A table with the alert built
+function alert_network_score_per_host:init(score, threshold, num_hosts, threshold_per_host)
+  -- Call the parent constructor
+  self.super:init()
+
+  self.alert_type_params = {
+    score = score,
+    threshold = threshold,
+    num_hosts = num_hosts,
+    threshold_per_host = threshold_per_host,
+  }
+end
+
+-- #######################################################
+
+-- @brief Format an alert into a human-readable string
+-- @param ifid The integer interface id of the generated alert
+-- @param alert The alert description table, including alert data such as the generating entity, timestamp, granularity, type
+-- @param alert_type_params Table `alert_type_params` as built in the `:init` method
+-- @return A human-readable string
+function alert_network_score_per_host.format(ifid, alert, alert_type_params)
+  return i18n("alert_messages.network_score_per_host", {
+    score = format_utils.formatValue(alert_type_params.score),
+    threshold = format_utils.formatValue(alert_type_params.threshold),
+    num_hosts = format_utils.formatValue(alert_type_params.num_hosts or 1),
+    threshold_per_host = format_utils.formatValue(alert_type_params.threshold_per_host or 100),
+  })
+end
+
+-- #######################################################
+
+return alert_network_score_per_host