From 9d0bd7831d4285d935934e367c9a719ce65dd5cb Mon Sep 17 00:00:00 2001
From: Kichiyaki <dawidwysokinski000@gmail.com>
Date: Wed, 23 Dec 2020 17:52:04 +0100
Subject: [PATCH] make running cron jobs on startup optional

---
 cron/cron.go | 15 +++++++++------
 main.go      |  1 +
 2 files changed, 10 insertions(+), 6 deletions(-)

diff --git a/cron/cron.go b/cron/cron.go
index d0c62d3..65cd2c2 100644
--- a/cron/cron.go
+++ b/cron/cron.go
@@ -15,6 +15,7 @@ var log = logrus.WithField("package", "cron")
 type Config struct {
 	DB                   *pg.DB
 	MaxConcurrentWorkers int
+	RunOnStartup         bool
 }
 
 func Attach(c *cron.Cron, cfg Config) error {
@@ -43,12 +44,14 @@ func Attach(c *cron.Cron, cfg Config) error {
 	if _, err := c.AddFunc("30 2 * * *", updateStats); err != nil {
 		return err
 	}
-	go func() {
-		updateServerData()
-		vacuumDatabase()
-		updateHistory()
-		updateStats()
-	}()
+	if cfg.RunOnStartup {
+		go func() {
+			updateServerData()
+			vacuumDatabase()
+			updateHistory()
+			updateStats()
+		}()
+	}
 
 	return nil
 }
diff --git a/main.go b/main.go
index a3ebac9..58412a5 100644
--- a/main.go
+++ b/main.go
@@ -57,6 +57,7 @@ func main() {
 	if err := _cron.Attach(c, _cron.Config{
 		DB:                   db,
 		MaxConcurrentWorkers: mustParseEnvToInt("MAX_CONCURRENT_WORKERS"),
+		RunOnStartup:         os.Getenv("RUN_ON_STARTUP") == "true",
 	}); err != nil {
 		logrus.Fatal(err)
 	}