add option to configure stat interval

config/config.go

@@ -15,6 +15,7 @@ type conf struct {
 	SSLKey         string   `yaml:"SSLKey"`
 	LogErrorOnly   bool     `yaml:"LogErrorOnly"`
 	EnableStatAPI  bool     `yaml:"EnableStatAPI"`
+	StatAPIWait    int      `yaml:"StatAPIWait"`
 }
 
 var (
@@ -25,6 +26,7 @@ var (
 	SSLKey         string
 	LogErrorOnly   bool
 	EnableStatAPI  bool
+	StatAPIWait    int
 )
 
 // Parse parses the config file in path and gill the global variables.
@@ -60,5 +62,14 @@ func Parse(path string) error {
 	LogErrorOnly = c.LogErrorOnly
 	EnableStatAPI = c.EnableStatAPI
 
+	if c.StatAPIWait < 0 {
+		return fmt.Errorf("StatAPIWait is negative")
+	}
+	if c.StatAPIWait == 0 {
+		c.StatAPIWait = 1440
+	}
+
+	StatAPIWait = c.StatAPIWait
+
 	return nil
 }

server.conf

@@ -16,4 +16,7 @@ SSLKey:
 LogErrorOnly: false
 
 # Enable the /stat API. (default: false)
-EnableStatAPI: false
+EnableStatAPI: false
+
+# Minutes to wait between two stat count (default: 1440)
+StatAPIWait: 1440

server/stat.go

@@ -8,6 +8,7 @@ import (
 	"time"
 
 	"github.com/elmasy-com/columbus-sdk/db"
+	"github.com/elmasy-com/columbus-server/config"
 	"github.com/gin-gonic/gin"
 )
 
@@ -72,7 +73,7 @@ func UpdateStat() {
 		}
 
 		Current.Update(d, s)
-		time.Sleep(60 * time.Minute)
+		time.Sleep(time.Duration(config.StatAPIWait) * time.Minute)
 	}
 }