did some stuff

src/main/java/com/bib/essensbestellungsverwaltung/FoodMgr.java

@@ -0,0 +1,46 @@
+package com.bib.essensbestellungsverwaltung;
+
+import java.util.List;
+
+public class FoodMgr {
+    public static long createFood(String[] foodData, String[] allergyData){
+        String[] foodH = {"name","description","isDessert","food_typeid"};
+        String[] food_restrictionH = {"foodid","allergyid"};
+        long id = Database.insert("food",foodH,foodData);
+        if(allergyData.length > 0){
+            String sId = String.valueOf(id);
+            for (String allergyId : allergyData) {
+                String[] food_restrictionD = {sId,allergyId};
+                Database.insert("food_restriction",food_restrictionH, food_restrictionD);
+            }
+        }
+        return id;
+    }
+
+    public static long createFood_plan(String[] food_planData){
+        String[] food_planH = {"date","food1","food2","dessert1","dessert2"};
+        return Database.insert("food_plan",food_planH,food_planData);
+    }
+
+    public static List<String> getFood(boolean isDessert){
+        String[] foodH = {"isDessert"};
+        String[] foodD = {(isDessert ? "1" : "0")};
+        return Database.select("food",foodH,foodD);
+    }
+
+    public static List<String> getVeganFood(boolean isDessert){
+        String[] foodH = {"isDessert","food_typeid"};
+        String[] foodD = {(isDessert ? "1" : "0"),"1"};
+        return Database.select("food",foodH,foodD);
+    }
+
+    public static List<String> getFood_plan(String date){
+        String[] food_planH = {"date"};
+        String[] food_planD = {date};
+        return Database.select("food_plan",food_planH,food_planD);
+    }
+
+    public static List<String> getFoodById(long id){
+        return Database.getEntryById("food",id);
+    }
+}