pushing to next week

server/server.go

@@ -7,6 +7,7 @@ import (
 	"os"
 	"regexp"
 	"strings"
+    "time"
 
 	"github.com/PuerkitoBio/goquery"
 )
@@ -76,7 +77,14 @@ func writeToFile(content []byte) error {
 }
 
 func operate(mensa string, day int) (Menu, error) {
-	document, err := goquery.NewDocument(fmt.Sprintf("http://www.studentenwerk-goettingen.de/speiseplan.html?no_cache=1&day=%vpush=0&selectmensa=%s", day, mensa))
+    currentDay := int(time.Now().Weekday())		// week starts on sunday in go, but thats not relevant, because the canteen is closed on sunday
+    push := 0
+    if currentDay > day {
+        push = 1
+    }
+
+    document, err := goquery.NewDocument(fmt.Sprintf("http://www.studentenwerk-goettingen.de/speiseplan.html?no_cache=1&day=%v&push=%v&selectmensa=%s", day, push, mensa))
+
 	if err != nil {
 		return Menu{}, err
 	}