added diet to json

server/server.go

@@ -18,6 +18,7 @@ type (
         Category string `json:"category"`
         Price    string `json:"price"`
         Title    string `json:"title"`
+        Diet     string `json:"diet"`
     }
     // Menu contains all info to menues in a mensa on one day
     Menu struct {
@@ -109,9 +110,11 @@ func strip(old string) string {
 func parseMeals(doc *goquery.Document) ([]Meal, error) {
     meals := []Meal{}
     doc.Find("table.speise-tblmain tbody tr").Each(func(i int, s *goquery.Selection) {
+	diet, _ := s.Find(".ext_sits_speiseplan_icon").Children().Attr("alt")
         meal := Meal{
             Category: strip(s.Find(".ext_sits_preis").Text()), // yes, really preis
             Title:    strip(s.Find(".ext_sits_essen").Text()),
+            Diet:     strip(diet),
         }
         meals = append(meals, meal)
     })