refactor: move scheduled_tasks service to services/ folder

scheduled_tasks/main.go

@@ -1,47 +0,0 @@
-package main
-
-import (
-	"fmt"
-	"log"
-	"os"
-	"time"
-)
-
-func main() {
-	log.Println("connecting to databases")
-	connect_dbs()
-
-	log.Println("starting scheduled tasks runner")
-	wait_until_next_minute()
-	go doforever(time.Minute*10, withtime("message stats updater", update_db_message_meta))
-	doforever(time.Minute, withtime("scheduled tasks", task_main))
-}
-
-func wait_until_next_minute() {
-	now := time.Now().UTC().Add(time.Minute)
-	after := time.Date(now.Year(), now.Month(), now.Day(), now.Hour(), now.Minute(), 0, 0, time.UTC)
-	time.Sleep(after.Sub(time.Now().UTC()))
-}
-
-func get_env_var(key string) string {
-	if val, ok := os.LookupEnv(key); ok {
-		return val
-	}
-	panic(fmt.Errorf("missing `%s` in environment", key))
-}
-
-func withtime(name string, todo func()) func() {
-	return func() {
-		timeBefore := time.Now()
-		todo()
-		timeAfter := time.Now()
-		log.Println("ran", name, "in", timeAfter.Sub(timeBefore).String())
-	}
-}
-
-func doforever(dur time.Duration, todo func()) {
-	for {
-		go todo()
-		time.Sleep(dur)
-	}
-}