did some stuff

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

@@ -0,0 +1,93 @@
+package com.bib.essensbestellungsverwaltung;
+/*
+    @author Malte Schulze Hobeling
+ */
+public class AccountMgr {
+    /**
+     * creates a user with createUser(...) and adds its id to the 'worker' table
+     * @param userData String[] name, firstname, password, email
+     * @param addressData String[] street, number, plz, city
+     * @return userid or -1
+     */
+    public static long createWorker(String[] userData, String[] addressData){
+        long id = createUser(userData, addressData);
+        String sId = String.valueOf(id);
+        Database.insert("worker", new String[]{"userid"}, new String[]{sId});
+        return id;
+    }
+
+    /**
+     * creates a user with createUser(...) and adds its id to the 'parent' table
+     * @param userData String[] name, firstname, password, email
+     * @param addressData String[] street, number, plz, city
+     * @return userid or -1
+     */
+    public static long createParent(String[] userData, String[] addressData){
+        long id = createUser(userData, addressData);
+        String sId = String.valueOf(id);
+        Database.insert("parent", new String[]{"userid"}, new String[]{sId});
+        return id;
+    }
+
+    /**
+     * adds a user to the database
+     * @param userData String[] name, firstname, password, email
+     * @param addressData String[] street, number, plz, city
+     * @return userid or -1
+     */
+    private static long createUser(String[] userData, String[] addressData) {
+        String[] addressH = {"street", "number", "plz", "city"};
+        String[] userH = {"name", "firstname", "addressid", "password", "email"};
+        String name = userData[0];
+        String firstname = userData[1];
+        String pw = userData[2];
+        String email = userData[3];
+
+        long id = Database.insert("address", addressH, addressData);
+        String sId = String.valueOf(id);
+        String[] userD = {name, firstname, sId, pw, email};
+        id = Database.insert("user", userH, userD);
+        return id;
+    }
+
+    public static long createChild(String[] childData,String[] allergyData, String[] severityData){
+        String[] childH = {"name","firstname","addressid"};
+        String[] child_allergyH = {"childid","allergyid","severityid"};
+        long id = Database.insert("child", childH, childData);
+        if(allergyData.length > 0){
+            for(int i = 0; i < allergyData.length; i++){
+                String sId = String.valueOf(id);
+                String[] child_allergyD = {sId,allergyData[i],severityData[i]};
+                Database.insert("child_allergy",child_allergyH,child_allergyD);
+            }
+        }
+        return id;
+    }
+
+    public static long matchParentChild(String parentId, String childId){
+        String[] parent_childH = {"parentuserid","childid"};
+        String[] parent_childD = {parentId,childId};
+        return Database.insert("parent_child", parent_childH,parent_childD);
+    }
+
+    public static long login(String email, String pw){
+        String[] userH = {"email","password"};
+        String[] userD = {email,pw};
+        return Database.getSingleId("user",userH,userD);
+    }
+
+    public static boolean isWorker(String id){
+        String[] workerH = {"userid"};
+        String[] workerD = {id};
+        long workerId = Database.getSingleId("worker",workerH,workerD);
+        return workerId > 0;
+    }
+
+
+    public static boolean isParent(String id){
+        String[] parentH = {"userid"};
+        String[] parentD = {id};
+        long parentId = Database.getSingleId("parent",parentH,parentD);
+        return parentId > 0;
+    }
+}