layed out goroutine

internal/diyhrt/diy_config.go

@@ -1,7 +1,9 @@
 package diyhrt
 
 type DiyHrtConfig struct {
-	ApiKey        string
+	ApiKey         string
+	FetchIntervals int
+
 	StoreFilter   StoreFilter
 	ListingFilter ListingFilter
 }

internal/rendering/config.go

@@ -63,7 +63,8 @@ func NewConfig() Config {
 			Port: 5500,
 		},
 		DiyHrt: diyhrt.DiyHrtConfig{
-			ApiKey: os.Getenv("API_KEY"),
+			ApiKey:         os.Getenv("API_KEY"),
+			FetchIntervals: 60, // fetch every hour
 			StoreFilter: diyhrt.StoreFilter{
 				Limit:      0,
 				IncludeIds: []int{7},

internal/server/server.go

@@ -4,6 +4,7 @@ import (
 	"log"
 	"net/http"
 	"strconv"
+	"time"
 
 	"gitea.elara.ws/Hazel/transfem-startpage/internal/cache"
 	"gitea.elara.ws/Hazel/transfem-startpage/internal/rendering"
@@ -12,12 +13,26 @@ import (
 
 var Config = rendering.NewConfig()
 
+func StartFetching() {
+	for {
+		log.Println("Fetch DiyHrt data...")
+		Config.FetchDiyHrt()
+		time.Sleep(time.Duration(Config.DiyHrt.FetchIntervals) * time.Second)
+
+		if Config.DiyHrt.FetchIntervals == 0 {
+			break
+		}
+	}
+}
+
 func Start(profile string) error {
 	err := Config.ScanForConfigFile(profile)
 	if err != nil {
 		return err
 	}
 
+	go StartFetching()
+
 	err = Config.FetchDiyHrt()
 	if err != nil {
 		log.Println(err)