* stats: refactor: move HTTP handlers to stats/

DNS module passes additional parameters to Stats module.
This allows Stats to handle HTTP requests by itself - completely removing
 all stats-related code from outside.

home/config.go

@@ -269,9 +269,6 @@ func parseConfig() error {
 		return err
 	}
 
-	if !checkStatsInterval(config.DNS.StatsInterval) {
-		config.DNS.StatsInterval = 1
-	}
 	if !checkFiltersUpdateIntervalHours(config.DNS.FiltersUpdateIntervalHours) {
 		config.DNS.FiltersUpdateIntervalHours = 24
 	}
@@ -356,6 +353,12 @@ func (c *configuration) write() error {
 		config.Users = config.auth.GetUsers()
 	}
 
+	if config.stats != nil {
+		sdc := stats.DiskConfig{}
+		config.stats.WriteDiskConfig(&sdc)
+		config.DNS.StatsInterval = sdc.Interval
+	}
+
 	configFile := config.getConfigFilename()
 	log.Debug("Writing YAML file: %s", configFile)
 	yamlText, err := yaml.Marshal(&config)