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

@@ -8,9 +8,12 @@ import javax.crypto.spec.PBEKeySpec;
 import java.security.NoSuchAlgorithmException;
 import java.security.spec.InvalidKeySpecException;
 import java.security.spec.KeySpec;
+import java.util.ArrayList;
 import java.util.Base64;
+import java.util.List;
 
 public class AccountMgr {
+    protected static double price = 5.0;
     /**
      * creates a user with createUser(...) and adds its id to the 'worker' table
      * @param userData String[] name, firstname, password, email
@@ -91,7 +94,6 @@ public class AccountMgr {
         return workerId > 0;
     }
 
-
     public static boolean isParent(String id){
         String[] parentH = {"userid"};
         String[] parentD = {id};
@@ -114,4 +116,30 @@ public class AccountMgr {
         }
         return hashedPw;
     }
+
+    public static List<String> getInvoice(String date, String childId){
+        List<String> invoice = new ArrayList<>();
+        invoice.add("Monatsabrechnung " + date);
+        List<String> child = Database.getEntryById("child", Long.parseLong(childId));
+        String[] childParts = child.get(0).split(":");
+        invoice.add(childParts[1] + ", " + childParts[2]);
+        String[] food_planH = {"date"};
+        String[] food_planD = {date+"%"};
+        List<String> food_plan = Database.select("food_plan",food_planH,food_planD);
+        for (String day : food_plan) {
+            String[] food_planParts = day.split(":");
+            String[] food_selectionH = {"childid","food_planid"};
+            String[] food_selectionD = {childId,food_planParts[0]};
+            List<String> food_selection = Database.select("food_selection",food_selectionH,food_selectionD);
+            for (String food_select : food_selection) {
+                String[] food_selectParts = food_select.split(":");
+                List<String> food = Database.getEntryById("food",Long.parseLong(food_selectParts[3]));
+                String[] foodParts = food.get(0).split(":");
+                String line = food_planParts[1] + ": " + foodParts[1];
+                invoice.add(line);
+            }
+        }
+        invoice.add("Total: " + (invoice.size()-2) + " X " + price + "€ = " + ((invoice.size()-2)*price) + "€");
+        return invoice;
+    }
 }

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

@@ -246,20 +246,50 @@ public class ConsoleLib {
         String[] foodPlanParts = Database.select("food_plan", new String[]{"date"}, new String[]{date}).get(0).split(":");
         food_selectionData[1] = foodPlanParts[0];
         System.out.println("Hauptspeisen: ");
-        System.out.println(Database.select("food",new String[]{"food"},new String[]{foodPlanParts[2]}).get(0));
+        System.out.println(Database.select("food",new String[]{"id"},new String[]{foodPlanParts[2]}).get(0));
-        System.out.println(Database.select("food",new String[]{"food"},new String[]{foodPlanParts[3]}).get(0));
+        System.out.println(Database.select("food",new String[]{"id"},new String[]{foodPlanParts[3]}).get(0));
         System.out.print("Id: ");
         food_selectionData[2] = sc.nextLine();
         if(FoodMgr.createFood_selection(food_selectionData) < 1){
             System.out.println("Fehler");
         }
         System.out.println("Nachspeisen: ");
-        System.out.println(Database.select("food",new String[]{"food"},new String[]{foodPlanParts[4]}).get(0));
+        System.out.println(Database.select("food",new String[]{"id"},new String[]{foodPlanParts[4]}).get(0));
-        System.out.println(Database.select("food",new String[]{"food"},new String[]{foodPlanParts[5]}).get(0));
+        System.out.println(Database.select("food",new String[]{"id"},new String[]{foodPlanParts[5]}).get(0));
         System.out.print("Id: ");
         food_selectionData[2] = sc.nextLine();
         if(FoodMgr.createFood_selection(food_selectionData) < 1){
             System.out.println("Fehler");
         }
     }
+
+    public static void dayOrderPrompt(){
+        System.out.println("Zusammenfassung des Tages");
+        System.out.print("Datum eingeben: ");
+        Scanner sc = new Scanner(System.in);
+        String date = sc.nextLine();
+        List<String> dayOrder = FoodMgr.getDayOrder(date);
+        for (String food : dayOrder) {
+            System.out.println(food);
+        }
+    }
+
+    public static void invoicePrompt(){
+        System.out.println("Monatsabrechnung");
+        System.out.print("Monat(YYYY-MM): ");
+        Scanner sc = new Scanner(System.in);
+        String date = sc.nextLine();
+        System.out.print("ID des Kindes: ");
+        String id = sc.nextLine();
+        List<String> invoice = AccountMgr.getInvoice(date,id);
+        printConsole(invoice);
+    }
+
+    public static void changePricePrompt(){
+        System.out.print("Neuer Preis: ");
+        Scanner sc = new Scanner(System.in);
+        double price = sc.nextDouble();
+        sc.nextLine();
+        AccountMgr.price = price;
+    }
 }

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

@@ -11,10 +11,9 @@ public class ConsoleMain {
     static boolean isParent = false;
     public static void main(String[] args) {
         boolean firstRun = Database.init();
-        Database.createDb();
-        Database.fillDb();
-        //Database.printSampleQuery();
         if(firstRun){
+            Database.createDb();
+            Database.fillDb();
             ConsoleLib.createWorkerPrompt();
         }
         while (true){
@@ -63,6 +62,9 @@ public class ConsoleMain {
         System.out.println("8: Essensplan anzeigen");
         System.out.println("9: Löschen");
         System.out.println("10: Essen auswählen");
+        System.out.println("11: Bestellungen des Tages sammeln");
+        System.out.println("12: Monatsabrechnung");
+        System.out.println("13: Preis ändern");
 
 
         System.out.print("Auswahl: ");
@@ -84,8 +86,9 @@ public class ConsoleMain {
             case "8" -> ConsoleLib.showFood_planPrompt();
             case "9" -> ConsoleLib.deletePrompt();
             case "10" -> ConsoleLib.createFood_selectionPrompt();
-            default -> {
+            case "11" -> ConsoleLib.dayOrderPrompt();
-            }
+            case "12" -> ConsoleLib.invoicePrompt();
+            case "13" -> ConsoleLib.changePricePrompt();
         }
 
     }

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

@@ -119,6 +119,7 @@ public class Database {
                 food2 integer,
                 dessert1 integer,
                 dessert2 integer,
+                issent integer DEFAULT '0',
                 FOREIGN KEY(food1) REFERENCES food(id),
                 FOREIGN KEY(food2) REFERENCES food(id),
                 FOREIGN KEY(dessert1) REFERENCES food(id),
@@ -396,6 +397,38 @@ public class Database {
                 }
                 sb.append(");");
             }
+            case "count" -> {
+                sb = new StringBuilder("SELECT COUNT(*) FROM ");
+                sb.append(table);
+                sb.append(" WHERE ");
+                sb.append(header[0]);
+                sb.append(" = ");
+                sb.append(values[0]);
+                for(int i = 1; i < header.length; i++){
+                    sb.append(" AND ");
+                    sb.append(header[i]);
+                    sb.append(" = ");
+                    sb.append(values[i]);
+                }
+            }
+            case "update" -> {
+                sb = new StringBuilder("UPDATE ");
+                sb.append(table);
+                sb.append(" SET ");
+                sb.append(header[1]);
+                sb.append(" = ");
+                sb.append(values[1]);
+                for(int i = 2; i < header.length; i++){
+                    sb.append(", ");
+                    sb.append(header[i]);
+                    sb.append(" = ");
+                    sb.append(values[i]);
+                }
+                sb.append(" WHERE ");
+                sb.append(header[0]);
+                sb.append(" = ");
+                sb.append(values[0]);
+            }
         }
         sql = sb.toString();
         return sql;
@@ -475,4 +508,25 @@ public class Database {
         }
         return data;
     }
+
+    protected static int count(String table,String[] header,String[] values){
+        String sql = queryBuilder("count",table,header,values);
+        try(Connection conn = connect()) {
+            PreparedStatement ps = conn.prepareStatement(sql);
+            ResultSet rs = ps.executeQuery();
+            return rs.getInt(1);
+        }catch (SQLException e){
+            return -1;
+        }
+    }
+
+    protected static int update(String table,String[] header,String[] values){
+        try(Connection conn = connect()) {
+            String sql = queryBuilder("update",table,header,values);
+            PreparedStatement ps = conn.prepareStatement(sql);
+            return ps.executeUpdate();
+        }catch (SQLException e){
+            return  -1;
+        }
+    }
 }

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

@@ -3,6 +3,7 @@ package com.bib.essensbestellungsverwaltung;
     @author Malte Schulze Hobeling
  */
 
+import java.util.ArrayList;
 import java.util.List;
 
 public class FoodMgr {
@@ -48,7 +49,34 @@ public class FoodMgr {
     }
 
     public static long createFood_selection(String[] food_selectionData){
-        String[] food_selectionH = {"childid","foodplanid","foodid"};
+        String[] food_selectionH = {"childid","food_planid","foodid"};
-        return Database.insert("food_selection",food_selectionH,food_selectionData);
+        List<String> food_plan = Database.getEntryById("food_plan",Long.parseLong(food_selectionData[1]));
+        String[] food_planParts = food_plan.get(0).split(":");
+        if(Long.parseLong(food_planParts[6]) == 0){
+            return Database.insert("food_selection",food_selectionH,food_selectionData);
+        }else {
+            return -1;
+        }
+    }
+
+    public static List<String> getDayOrder(String date){
+        List<String> orders = new ArrayList<>();
+        List<String> food_plan = getFood_plan(date);
+        String[] food_planParts = food_plan.get(0).split(":");
+        for(int i = 2; i < 2+4; i++){
+            List<String> food = getFoodById(Long.parseLong(food_planParts[i]));
+            String[] foodParts = food.get(0).split(":");
+            String foodName = foodParts[1];
+            String[] food_selectionH = {"food_planid","foodid"};
+            String[] food_selectionD = {food_planParts[0],foodParts[0]};
+            int count = Database.count("food_selection",food_selectionH,food_selectionD);
+            orders.add(foodName+":"+count);
+        }
+        String[] updateH = {"id","issent"};
+        String[] updateD = {food_planParts[0],"1"};
+        if(Database.update("food_plan",updateH,updateD) < 0){
+            System.out.println("Fehler");
+        }
+        return orders;
     }
 }

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

@@ -2,6 +2,10 @@ package com.bib.essensbestellungsverwaltung;
 
 public class SuperMain {
     public static void main(String[] args) {
-        ConsoleMain.main(args);
+        if(args.length > 0){
+            ConsoleMain.main(args);
+        }else {
+            HelloApplication.main(args);
+        }
     }
 }