MaltesConsolenEcke #2
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package com.bib.essensbestellungsverwaltung;
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/*
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@author Malte Schulze Hobeling
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*/
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import javax.crypto.SecretKeyFactory;
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import javax.crypto.spec.PBEKeySpec;
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import java.security.NoSuchAlgorithmException;
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import java.security.spec.InvalidKeySpecException;
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import java.security.spec.KeySpec;
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import java.util.ArrayList;
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import java.util.Base64;
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import java.util.List;
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public class AccountMgr {
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protected static double price = 5.0;
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/**
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* creates a user with createUser(...) and adds its id to the 'worker' table
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* @param userData String[] name, firstname, password, email
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* @param addressData String[] street, number, plz, city
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* @return userid or -1
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*/
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public static long createWorker(String[] userData, String[] addressData){
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long id = createUser(userData, addressData);
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String sId = String.valueOf(id);
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Database.insert("worker", new String[]{"userid"}, new String[]{sId});
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return id;
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}
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/**
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* creates a user with createUser(...) and adds its id to the 'parent' table
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* @param userData String[] name, firstname, password, email
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* @param addressData String[] street, number, plz, city
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* @return userid or -1
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*/
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public static long createParent(String[] userData, String[] addressData){
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long id = createUser(userData, addressData);
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String sId = String.valueOf(id);
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Database.insert("parent", new String[]{"userid"}, new String[]{sId});
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return id;
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}
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/**
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* adds a user to the database
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* @param userData String[] name, firstname, password, email
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* @param addressData String[] street, number, plz, city
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* @return userid or -1
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*/
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private static long createUser(String[] userData, String[] addressData) {
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String[] addressH = {"street", "number", "plz", "city"};
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String[] userH = {"name", "firstname", "addressid", "password", "email"};
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String name = userData[0];
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String firstname = userData[1];
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String pw = hashAndSalt(userData[2]);
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String email = userData[3];
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long id = Database.insert("address", addressH, addressData);
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String sId = String.valueOf(id);
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String[] userD = {name, firstname, sId, pw, email};
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id = Database.insert("user", userH, userD);
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return id;
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}
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public static long createChild(String[] childData,String[] allergyData, String[] severityData){
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String[] childH = {"name","firstname","addressid"};
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String[] child_allergyH = {"childid","allergyid","severityid"};
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long id = Database.insert("child", childH, childData);
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if(allergyData.length > 0){
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for(int i = 0; i < allergyData.length; i++){
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String sId = String.valueOf(id);
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String[] child_allergyD = {sId,allergyData[i],severityData[i]};
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Database.insert("child_allergy",child_allergyH,child_allergyD);
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}
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}
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return id;
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}
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public static long matchParentChild(String parentId, String childId){
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String[] parent_childH = {"parentuserid","childid"};
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String[] parent_childD = {parentId,childId};
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return Database.insert("parent_child", parent_childH,parent_childD);
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}
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public static long login(String email, String pw){
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String[] userH = {"email","password"};
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String[] userD = {email,hashAndSalt(pw)};
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return Database.getSingleId("user",userH,userD);
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}
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public static boolean isWorker(String id){
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String[] workerH = {"userid"};
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String[] workerD = {id};
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long workerId = Database.getSingleId("worker",workerH,workerD);
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return workerId > 0;
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}
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public static boolean isParent(String id){
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String[] parentH = {"userid"};
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String[] parentD = {id};
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long parentId = Database.getSingleId("parent",parentH,parentD);
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return parentId > 0;
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}
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public static String hashAndSalt(String pw){
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//todo: find a better way to salt
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byte[] magicSalt = new byte[]{96, 13, 100, 85, -37, 52, -123, 86, -123, -92, 16, 15, -110, -42, -49, 0};
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KeySpec spec = new PBEKeySpec(pw.toCharArray(), magicSalt,310001,256);
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String hashedPw;
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try {
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SecretKeyFactory factory = SecretKeyFactory.getInstance("PBKDF2WithHmacSHA1");
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byte[] hash = factory.generateSecret(spec).getEncoded();
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Base64.Encoder enc = Base64.getEncoder();
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hashedPw = enc.encodeToString(hash);
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} catch (InvalidKeySpecException | NoSuchAlgorithmException e) {
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throw new RuntimeException(e);
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}
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return hashedPw;
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}
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public static List<String> getInvoice(String date, String childId){
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List<String> invoice = new ArrayList<>();
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invoice.add("Monatsabrechnung " + date);
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List<String> child = Database.getEntryById("child", Long.parseLong(childId));
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String[] childParts = child.get(0).split(":");
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invoice.add(childParts[1] + ", " + childParts[2]);
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String[] food_planH = {"date"};
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String[] food_planD = {date+"%"};
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List<String> food_plan = Database.select("food_plan",food_planH,food_planD);
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for (String day : food_plan) {
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String[] food_planParts = day.split(":");
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String[] food_selectionH = {"childid","food_planid"};
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String[] food_selectionD = {childId,food_planParts[0]};
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List<String> food_selection = Database.select("food_selection",food_selectionH,food_selectionD);
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for (String food_select : food_selection) {
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String[] food_selectParts = food_select.split(":");
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List<String> food = Database.getEntryById("food",Long.parseLong(food_selectParts[3]));
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String[] foodParts = food.get(0).split(":");
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String line = food_planParts[1] + ": " + foodParts[1];
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invoice.add(line);
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}
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}
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invoice.add("Total: " + (invoice.size()-2) + " X " + price + "€ = " + ((invoice.size()-2)*price) + "€");
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return invoice;
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}
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}
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@ -0,0 +1,295 @@
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package com.bib.essensbestellungsverwaltung;
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/*
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@author Malte Schulze Hobeling
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*/
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import java.util.ArrayList;
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import java.util.List;
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import java.util.Scanner;
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public class ConsoleLib {
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public static void createWorkerPrompt(){
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Scanner sc = new Scanner(System.in);
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System.out.println("Registrierung eines neuen Mitarbeiters");
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String[] userData = new String[4];
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String[] addressData = new String[4];
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System.out.print("Nachname: ");
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userData[0] = sc.nextLine();
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System.out.print("Vorname: ");
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userData[1] = sc.nextLine();
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System.out.print("Straße: ");
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addressData[0] = sc.nextLine();
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System.out.print("Hausnummer: ");
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addressData[1] = sc.nextLine();
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System.out.print("Postleitzahl: ");
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addressData[2] = sc.nextLine();
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System.out.print("Stadt: ");
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addressData[3] = sc.nextLine();
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System.out.print("Email: ");
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userData[3] = sc.nextLine();
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System.out.print("Passwort: ");
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userData[2] = sc.nextLine();
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long id = AccountMgr.createWorker(userData,addressData);
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if(id < 1){
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System.out.println("Fehler beim erstellen");
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}
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}
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public static void createParentPrompt(){
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Scanner sc = new Scanner(System.in);
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System.out.println("Registrierung eines neuen Elternteils");
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String[] userData = new String[4];
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String[] addressData = new String[4];
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System.out.print("Nachname: ");
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userData[0] = sc.nextLine();
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System.out.print("Vorname: ");
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userData[1] = sc.nextLine();
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System.out.print("Straße: ");
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addressData[0] = sc.nextLine();
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System.out.print("Hausnummer: ");
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addressData[1] = sc.nextLine();
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System.out.print("Postleitzahl: ");
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addressData[2] = sc.nextLine();
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System.out.print("Stadt: ");
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addressData[3] = sc.nextLine();
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System.out.print("Email: ");
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userData[3] = sc.nextLine();
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System.out.print("Passwort: ");
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userData[2] = sc.nextLine();
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long id = AccountMgr.createParent(userData,addressData);
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if(id < 1){
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System.out.println("Fehler beim erstellen");
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}
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}
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public static void createChildPrompt(String parentId){
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Scanner sc = new Scanner(System.in);
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String[] childData = new String[3];
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System.out.println("Registrierung eines neuen Kindes");
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System.out.print("Nachname: ");
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childData[0] = sc.nextLine();
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System.out.print("Vorname: ");
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childData[1] = sc.nextLine();
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System.out.println("Bitte geben Sie die Nummer der passenden Adresse an: ");
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for (String s : Database.getTable("address")) {
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String[] parts = s.split(":");
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System.out.printf("Nr.: %s Straße: %s Hausnr.: %s PLZ: %s Stadt: %s%n",parts[0],parts[1],parts[2],parts[3],parts[4]);
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}
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System.out.print("Adressnummer: ");
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childData[2] = sc.nextLine();
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for (String s : Database.getTable("allergy")) {
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String[] parts = s.split(":");
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System.out.printf("Nr. %s %s%n",parts[0],parts[1]);
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}
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System.out.println("Bitte Geben Sie die Nr der Allergien und Ihre Schwere an: ");
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System.out.print("Allergien (Nr mit , getrennt[1,4,5,16]): ");
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String allergies = sc.nextLine();
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String[] allergyData = allergies.split(",");
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System.out.print("Schweren (1 Harmlos - 3 Kritisch[2,3,1,3]): ");
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String severities = sc.nextLine();
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String[] severityData = severities.split(",");
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long id = AccountMgr.createChild(childData,allergyData,severityData);
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if(id < 1){
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System.out.println("Fehler beim erstellen");
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return;
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}
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String sId = String.valueOf(id);
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if(AccountMgr.matchParentChild(parentId,sId) == -1){
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System.out.println("Fehler beim verknüpfen");
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}
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}
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public static void createFoodPrompt(){
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Scanner sc = new Scanner(System.in);
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String[] foodData = new String[4];
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System.out.println("Registrierung eines neuen Essens");
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System.out.print("Name: ");
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foodData[0] = sc.nextLine();
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System.out.print("Beschreibung: ");
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foodData[1] = sc.nextLine();
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System.out.print("Ist es ein Dessert?[0/1]: ");
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foodData[2] = sc.nextLine();
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System.out.print("Ist es vegan[1], vegetarisch[2] oder fleischhaltig[3]: ");
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foodData[3] = sc.nextLine();
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for (String s : Database.getTable("allergy")) {
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String[] parts = s.split(":");
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System.out.printf("Nr. %s %s%n",parts[0],parts[1]);
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}
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System.out.println("Bitte geben Sie die Nr. aller zutreffenden Allergien mit Komma getrennt an [1,3,6]");
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System.out.print("Allergienummer: ");
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String allergies = sc.nextLine();
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String[] allergyData = allergies.split(",");
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if(FoodMgr.createFood(foodData,allergyData) < 1){
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System.out.println("Fehler");
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}
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}
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public static long loginPrompt(){
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System.out.println("Login");
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Scanner sc = new Scanner(System.in);
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long id = -1;
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while (id == -1){
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System.out.print("Email: ");
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String email = sc.nextLine();
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System.out.print("Passwort: ");
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String pw = sc.nextLine();
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id = AccountMgr.login(email,pw);
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if(id == -1){
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System.out.println("Login fehlgeschlagen");
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}
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}
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System.out.println("Login erfolgreich");
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return id;
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}
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public static void matchParentChildPrompt(String parentId){
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System.out.println("Wählen Sie ihr Kind aus: ");
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Database.getTable("child");
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Scanner sc = new Scanner(System.in);
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System.out.print("Nr: ");
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String childId = sc.nextLine();
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if(AccountMgr.matchParentChild(parentId,childId) == -1){
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System.out.println("Fehler");
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}
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}
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public static void tablePrompt(){
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Scanner sc = new Scanner(System.in);
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System.out.print("Table: ");
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String table = sc.nextLine();
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printConsole(Database.getTable(table));
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}
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public static void deletePrompt(){
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Scanner sc = new Scanner(System.in);
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System.out.println("Löschen");
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System.out.print("Tabelle: ");
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String table = sc.nextLine();
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System.out.print("Id: ");
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long id = sc.nextLong();
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sc.nextLine();
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Database.delete(table,id);
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}
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public static void printConsole(List<String> list){
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for (String entry : list) {
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System.out.println(entry);
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}
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}
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public static void createFood_planPrompt(){
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System.out.println("Erstellen eines Essensplans");
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String[] food_planData = new String[5];
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Scanner sc = new Scanner(System.in);
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System.out.print("Bitte geben Sie das Datum im Format YYYY-MM-DD an: ");
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food_planData[0] = sc.nextLine();
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printConsole(FoodMgr.getVeganFood(false));
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System.out.print("Veganes Hauptgericht Nr: ");
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food_planData[1] = sc.nextLine();
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printConsole(FoodMgr.getFood(false));
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System.out.print("Zweites Hauptgericht Nr: ");
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food_planData[2] = sc.nextLine();
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printConsole(FoodMgr.getVeganFood(true));
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System.out.print("Veganes Dessert Nr: ");
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food_planData[3] = sc.nextLine();
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printConsole(FoodMgr.getFood(true));
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System.out.print("Zweites Dessert Nr: ");
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food_planData[4] = sc.nextLine();
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long id = FoodMgr.createFood_plan(food_planData);
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if(id < 0){
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System.out.println("Fehler");
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}
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}
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public static void showFood_planPrompt(){
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System.out.println("Essensplan zum Anzeigen auswählen");
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Scanner sc = new Scanner(System.in);
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System.out.print("Bitte geben Sie das Datum im Format YYYY-MM-DD an: ");
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String date = sc.nextLine();
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List<String> plan = FoodMgr.getFood_plan(date);
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List<String> food = new ArrayList<>();
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StringBuilder sb;
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for (String day : plan) {
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sb = new StringBuilder();
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String[] parts = day.split(":");
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sb.append("Tag: ");
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sb.append(parts[1]);
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sb.append(" Veganesgericht: ");
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food = FoodMgr.getFoodById(Long.parseLong(parts[2]));
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String[] foodParts = food.get(0).split(":");
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sb.append(foodParts[1]);
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sb.append(" Zweites Hauptgericht: ");
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food = FoodMgr.getFoodById(Long.parseLong(parts[3]));
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foodParts = food.get(0).split(":");
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sb.append(foodParts[1]);
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sb.append(" Veganesdessert: ");
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food = FoodMgr.getFoodById(Long.parseLong(parts[4]));
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foodParts = food.get(0).split(":");
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sb.append(foodParts[1]);
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sb.append(" Zweites Dessert: ");
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food = FoodMgr.getFoodById(Long.parseLong(parts[5]));
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foodParts = food.get(0).split(":");
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sb.append(foodParts[1]);
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food.add(sb.toString());
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}
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printConsole(food);
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}
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public static void createFood_selectionPrompt(){
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System.out.println("Essensauswahl");
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Scanner sc = new Scanner(System.in);
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String[] food_selectionData = new String[3];
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System.out.print("Kind ID: ");
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food_selectionData[0] = sc.nextLine();
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System.out.print("Datum: ");
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String date = sc.nextLine();
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String[] foodPlanParts = Database.select("food_plan", new String[]{"date"}, new String[]{date}).get(0).split(":");
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food_selectionData[1] = foodPlanParts[0];
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System.out.println("Hauptspeisen: ");
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System.out.println(Database.select("food",new String[]{"id"},new String[]{foodPlanParts[2]}).get(0));
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System.out.println(Database.select("food",new String[]{"id"},new String[]{foodPlanParts[3]}).get(0));
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System.out.print("Id: ");
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food_selectionData[2] = sc.nextLine();
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if(FoodMgr.createFood_selection(food_selectionData) < 1){
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System.out.println("Fehler");
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}
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System.out.println("Nachspeisen: ");
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System.out.println(Database.select("food",new String[]{"id"},new String[]{foodPlanParts[4]}).get(0));
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System.out.println(Database.select("food",new String[]{"id"},new String[]{foodPlanParts[5]}).get(0));
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System.out.print("Id: ");
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food_selectionData[2] = sc.nextLine();
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if(FoodMgr.createFood_selection(food_selectionData) < 1){
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System.out.println("Fehler");
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}
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}
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public static void dayOrderPrompt(){
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System.out.println("Zusammenfassung des Tages");
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System.out.print("Datum eingeben: ");
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Scanner sc = new Scanner(System.in);
|
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String date = sc.nextLine();
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List<String> dayOrder = FoodMgr.getDayOrder(date);
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for (String food : dayOrder) {
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System.out.println(food);
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}
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}
|
||||
|
||||
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;
|
||||
}
|
||||
}
|
||||
@ -0,0 +1,120 @@
|
||||
package com.bib.essensbestellungsverwaltung;
|
||||
/*
|
||||
@author Malte Schulze Hobeling
|
||||
*/
|
||||
|
||||
import java.util.Scanner;
|
||||
|
||||
public class ConsoleMain {
|
||||
static long currentUserId = -1;
|
||||
static boolean isWorker = false;
|
||||
static boolean isParent = false;
|
||||
public static void main(String[] args) {
|
||||
boolean firstRun = Database.init();
|
||||
if(firstRun){
|
||||
Database.createDb();
|
||||
Database.fillDb();
|
||||
ConsoleLib.createWorkerPrompt();
|
||||
}
|
||||
while (true){
|
||||
if(currentUserId == -2){
|
||||
break;
|
||||
}else if(currentUserId < 0){
|
||||
defaultMenu();
|
||||
}else{
|
||||
if(isWorker){
|
||||
adminMenu();
|
||||
}else if(isParent){
|
||||
parentMenu();
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
public static void defaultMenu(){
|
||||
System.out.println("1: Login");
|
||||
System.out.println("2: Essensplan anzeigen");
|
||||
System.out.println("3: Programm beenden");
|
||||
|
||||
System.out.print("Auswahl: ");
|
||||
Scanner sc = new Scanner(System.in);
|
||||
String selection = sc.nextLine();
|
||||
switch (selection) {
|
||||
case "1" -> {
|
||||
currentUserId = ConsoleLib.loginPrompt();
|
||||
isWorker = AccountMgr.isWorker(String.valueOf(currentUserId));
|
||||
isParent = AccountMgr.isParent(String.valueOf(currentUserId));
|
||||
}
|
||||
case "2" -> ConsoleLib.showFood_planPrompt();
|
||||
case "3" -> currentUserId = -2;
|
||||
}
|
||||
}
|
||||
|
||||
public static void adminMenu(){
|
||||
System.out.println("0: Ausloggen");
|
||||
System.out.println("1: Einen neuen Mitarbeiter anlegen");
|
||||
System.out.println("2: Ein neues Elternteil anlegen");
|
||||
System.out.println("3: Ein neues Kind anlegen");
|
||||
System.out.println("4: Kind einem Elternteil zuordnen");
|
||||
System.out.println("5: Ein neues Essen anlegen");
|
||||
System.out.println("6: Table");
|
||||
System.out.println("7: Einen Essensplan erstellen");
|
||||
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: ");
|
||||
Scanner sc = new Scanner(System.in);
|
||||
String selection = sc.nextLine();
|
||||
switch (selection) {
|
||||
case "0" -> {
|
||||
currentUserId = -1;
|
||||
isWorker = false;
|
||||
isParent = false;
|
||||
}
|
||||
case "1" -> ConsoleLib.createWorkerPrompt();
|
||||
case "2" -> ConsoleLib.createParentPrompt();
|
||||
case "3" -> ConsoleLib.createChildPrompt(String.valueOf(currentUserId));
|
||||
case "4" -> ConsoleLib.matchParentChildPrompt(String.valueOf(currentUserId));
|
||||
case "5" -> ConsoleLib.createFoodPrompt();
|
||||
case "6" -> ConsoleLib.tablePrompt();
|
||||
case "7" -> ConsoleLib.createFood_planPrompt();
|
||||
case "8" -> ConsoleLib.showFood_planPrompt();
|
||||
case "9" -> ConsoleLib.deletePrompt();
|
||||
case "10" -> ConsoleLib.createFood_selectionPrompt();
|
||||
case "11" -> ConsoleLib.dayOrderPrompt();
|
||||
case "12" -> ConsoleLib.invoicePrompt();
|
||||
case "13" -> ConsoleLib.changePricePrompt();
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
public static void parentMenu(){
|
||||
System.out.println("0: Ausloggen");
|
||||
System.out.println("3: Ein neues Kind anlegen");
|
||||
System.out.println("4: Kind einem Elternteil zuordnen");
|
||||
|
||||
|
||||
System.out.print("Auswahl: ");
|
||||
Scanner sc = new Scanner(System.in);
|
||||
String selection = sc.nextLine();
|
||||
switch (selection) {
|
||||
case "0" -> {
|
||||
currentUserId = -1;
|
||||
isWorker = false;
|
||||
isParent = false;
|
||||
}
|
||||
case "3" -> ConsoleLib.createChildPrompt(String.valueOf(currentUserId));
|
||||
case "4" -> ConsoleLib.matchParentChildPrompt(String.valueOf(currentUserId));
|
||||
case "6" -> ConsoleLib.tablePrompt();
|
||||
default -> {
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
}
|
||||
@ -13,10 +13,10 @@ import java.util.List;
|
||||
|
||||
public class Database {
|
||||
private static final String dbLocation = "jdbc:sqlite:"+Path.of("").toAbsolutePath()+"/database.db";
|
||||
protected static void init(){
|
||||
protected static boolean init(){
|
||||
File db = new File(Path.of("").toAbsolutePath()+"/database.db");
|
||||
try {
|
||||
db.createNewFile();
|
||||
return db.createNewFile();
|
||||
} catch (IOException e) {
|
||||
throw new RuntimeException(e);
|
||||
}
|
||||
@ -44,17 +44,17 @@ public class Database {
|
||||
sql[1] = """
|
||||
CREATE TABLE IF NOT EXISTS food_type (
|
||||
id integer PRIMARY KEY,
|
||||
name text
|
||||
name text UNIQUE
|
||||
);""";
|
||||
sql[2] = """
|
||||
CREATE TABLE IF NOT EXISTS allergy (
|
||||
id integer PRIMARY KEY,
|
||||
name text
|
||||
name text UNIQUE
|
||||
);""";
|
||||
sql[3] = """
|
||||
CREATE TABLE IF NOT EXISTS severity (
|
||||
id integer PRIMARY KEY,
|
||||
severity integer
|
||||
name text UNIQUE
|
||||
);""";
|
||||
sql[4] = """
|
||||
CREATE TABLE IF NOT EXISTS user (
|
||||
@ -105,7 +105,7 @@ public class Database {
|
||||
sql[10] = """
|
||||
CREATE TABLE IF NOT EXISTS food (
|
||||
id integer PRIMARY KEY,
|
||||
name text,
|
||||
name text UNIQUE,
|
||||
description text,
|
||||
isdessert integer,
|
||||
food_typeid integer,
|
||||
@ -114,18 +114,19 @@ public class Database {
|
||||
sql[11] = """
|
||||
CREATE TABLE IF NOT EXISTS food_plan (
|
||||
id integer PRIMARY KEY,
|
||||
date text,
|
||||
date text UNIQUE,
|
||||
food1 integer,
|
||||
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),
|
||||
FOREIGN KEY(dessert2) REFERENCES food(id)
|
||||
);""";
|
||||
sql[12] = """
|
||||
CREATE TABLE IF NOT EXISTS food_restrictions (
|
||||
CREATE TABLE IF NOT EXISTS food_restriction (
|
||||
id integer PRIMARY KEY,
|
||||
foodid integer,
|
||||
allergyid integer,
|
||||
@ -137,9 +138,10 @@ public class Database {
|
||||
id integer PRIMARY KEY,
|
||||
childid integer,
|
||||
food_planid integer,
|
||||
selection integer,
|
||||
foodid integer,
|
||||
FOREIGN KEY(childid) REFERENCES child(id),
|
||||
FOREIGN KEY(food_planid) REFERENCES food_plan(id)
|
||||
FOREIGN KEY(food_planid) REFERENCES food_plan(id),
|
||||
FOREIGN KEY(foodid) REFERENCES food(id)
|
||||
);""";
|
||||
try(Connection conn = connect(); Statement stmt = conn.createStatement()){
|
||||
for(int i = 0; i < sql.length; i++){
|
||||
@ -150,7 +152,7 @@ public class Database {
|
||||
}
|
||||
}
|
||||
|
||||
protected static void fillSampleDb(){
|
||||
protected static void fillDb(){
|
||||
List<String> sqls = new ArrayList<>();
|
||||
sqls.add("""
|
||||
INSERT OR IGNORE INTO food_type (id,name)
|
||||
@ -227,6 +229,15 @@ public class Database {
|
||||
sqls.add("""
|
||||
INSERT OR IGNORE INTO allergy (id,name)
|
||||
VALUES('22','Konservierungsstoff');""");
|
||||
sqls.add("""
|
||||
INSERT OR IGNORE INTO severity (id,name)
|
||||
VALUES('1','Harmlos');""");
|
||||
sqls.add("""
|
||||
INSERT OR IGNORE INTO severity (id,name)
|
||||
VALUES('2','Warnung');""");
|
||||
sqls.add("""
|
||||
INSERT OR IGNORE INTO severity (id,name)
|
||||
VALUES('3','Kritisch');""");
|
||||
try(Connection conn = connect(); Statement stmt = conn.createStatement()){
|
||||
for (String sql : sqls) {
|
||||
stmt.execute(sql);
|
||||
@ -236,16 +247,65 @@ public class Database {
|
||||
}
|
||||
}
|
||||
|
||||
protected static boolean insert(String table, String header, String values){
|
||||
try (Connection conn = connect(); Statement stmt = conn.createStatement()){
|
||||
String sql = "INSERT OR IGNORE INTO " + table + " (" + header + ") VALUES(" + values + ");";
|
||||
stmt.execute(sql);
|
||||
} catch (SQLException e) {
|
||||
return false;
|
||||
}
|
||||
return true;
|
||||
/**
|
||||
* inserts data into table and returns its id
|
||||
* @param table name of the database table
|
||||
* @param header String[] order should match with values
|
||||
* @param values String[] order should match with header
|
||||
* @return id of dataset or -1
|
||||
*/
|
||||
protected static long insert(String table, String[] header, String[] values){
|
||||
long id = -1;
|
||||
try (Connection conn = connect()){
|
||||
String query = queryBuilder("exists",table,header,values);
|
||||
PreparedStatement psQuery = conn.prepareStatement(query);
|
||||
ResultSet rsQuery = psQuery.executeQuery();
|
||||
if(rsQuery.next()){
|
||||
boolean found = rsQuery.getBoolean(1);
|
||||
if(!found){
|
||||
String sql = queryBuilder("insert",table,header,values);
|
||||
String[] rowId = {"id"};
|
||||
PreparedStatement ps = conn.prepareStatement(sql,rowId);
|
||||
ps.execute();
|
||||
ResultSet rs = ps.getGeneratedKeys();
|
||||
if(rs.next()){
|
||||
id = rs.getLong(1);
|
||||
}
|
||||
|
||||
}else{
|
||||
query = queryBuilder("selectMatch",table,header,values);
|
||||
psQuery = conn.prepareStatement(query);
|
||||
rsQuery = psQuery.executeQuery();
|
||||
if(rsQuery.next()) {
|
||||
id = rsQuery.getLong(1);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
} catch (SQLException e) {
|
||||
return id;
|
||||
}
|
||||
return id;
|
||||
}
|
||||
|
||||
protected static long getSingleId(String table, String[] header, String[] values){
|
||||
long id = -1;
|
||||
try(Connection conn = connect()){
|
||||
String sql = queryBuilder("selectMatch",table,header,values);
|
||||
PreparedStatement ps = conn.prepareStatement(sql);
|
||||
ResultSet rs = ps.executeQuery();
|
||||
if(rs.next()){
|
||||
id = rs.getLong(1);
|
||||
if(rs.next()){
|
||||
id = -1;
|
||||
}
|
||||
}
|
||||
}catch (SQLException e){
|
||||
e.printStackTrace();
|
||||
return id;
|
||||
}
|
||||
return id;
|
||||
}
|
||||
|
||||
protected static void printSampleQuery(){
|
||||
String sql = """
|
||||
@ -253,17 +313,17 @@ public class Database {
|
||||
String sql1 = """
|
||||
SELECT * FROM allergy WHERE id > ?;""";
|
||||
try(Connection conn = connect()){
|
||||
PreparedStatement pstmt = conn.prepareStatement(sql);
|
||||
PreparedStatement pstmt1 = conn.prepareStatement(sql1);
|
||||
pstmt.setInt(1,0);
|
||||
ResultSet rs = pstmt.executeQuery();
|
||||
PreparedStatement ps = conn.prepareStatement(sql);
|
||||
PreparedStatement ps1 = conn.prepareStatement(sql1);
|
||||
ps.setInt(1,0);
|
||||
ResultSet rs = ps.executeQuery();
|
||||
System.out.println("food_type");
|
||||
while (rs.next()){
|
||||
System.out.println("ID: " + rs.getInt("id") + ", Name: " + rs.getString("name"));
|
||||
}
|
||||
System.out.println("allergy");
|
||||
pstmt1.setInt(1,0);
|
||||
rs = pstmt1.executeQuery();
|
||||
ps1.setInt(1,0);
|
||||
rs = ps1.executeQuery();
|
||||
while (rs.next()){
|
||||
System.out.println("ID: " + rs.getInt("id") + ", Name: " + rs.getString("name"));
|
||||
}
|
||||
@ -272,35 +332,201 @@ public class Database {
|
||||
}
|
||||
}
|
||||
|
||||
protected static void deleteSample(){
|
||||
String sql = """
|
||||
DELETE FROM user WHERE id = ?;""";
|
||||
try(Connection conn = connect();PreparedStatement pstmt = conn.prepareStatement(sql)){
|
||||
pstmt.setInt(1,1);
|
||||
pstmt.executeUpdate();
|
||||
protected static void delete(String table, long id){
|
||||
String sql = "DELETE FROM " + table + " WHERE id = ?;";
|
||||
try(Connection conn = connect();PreparedStatement ps = conn.prepareStatement(sql)){
|
||||
ps.setLong(1,id);
|
||||
ps.executeUpdate();
|
||||
}catch (SQLException e){
|
||||
e.printStackTrace();
|
||||
}
|
||||
}
|
||||
|
||||
/* String sql = """
|
||||
CREATE TABLE IF NOT EXISTS user (
|
||||
id integer PRIMARY KEY,
|
||||
name text);""";
|
||||
String sql2 = "SELECT * FROM user WHERE id > ?";
|
||||
String sql3 = "INSERT INTO user (id,name) VALUES (1,'test1')";
|
||||
try(Connection conn = connect();
|
||||
Statement stmt = conn.createStatement()){
|
||||
stmt.execute(sql);
|
||||
stmt.execute(sql3);
|
||||
PreparedStatement pstmt = conn.prepareStatement(sql2);
|
||||
pstmt.setInt(1,0);
|
||||
ResultSet rs = pstmt.executeQuery();
|
||||
private static String queryBuilder(String type,String table, String[] header, String[] values){
|
||||
String sql;
|
||||
StringBuilder sb = new StringBuilder();
|
||||
switch (type) {
|
||||
case "exists" -> {
|
||||
sb = new StringBuilder("SELECT (count(*) > 0) as found FROM ");
|
||||
sb.append(table);
|
||||
sb.append(" WHERE ");
|
||||
sb.append(header[0]);
|
||||
sb.append(" LIKE '");
|
||||
sb.append(values[0]);
|
||||
sb.append("'");
|
||||
for (int i = 1; i < header.length; i++) {
|
||||
sb.append(" AND ");
|
||||
sb.append(header[i]);
|
||||
sb.append(" LIKE '");
|
||||
sb.append(values[i]);
|
||||
sb.append("'");
|
||||
}
|
||||
}
|
||||
case "selectMatch" -> {
|
||||
sb = new StringBuilder("SELECT * FROM ");
|
||||
sb.append(table);
|
||||
sb.append(" WHERE ");
|
||||
sb.append(header[0]);
|
||||
sb.append(" LIKE '");
|
||||
sb.append(values[0]);
|
||||
sb.append("'");
|
||||
for (int i = 1; i < header.length; i++) {
|
||||
sb.append(" AND ");
|
||||
sb.append(header[i]);
|
||||
sb.append(" LIKE '");
|
||||
sb.append(values[i]);
|
||||
sb.append("'");
|
||||
}
|
||||
}
|
||||
case "insert" -> {
|
||||
sb = new StringBuilder("INSERT OR IGNORE INTO ");
|
||||
sb.append(table);
|
||||
sb.append(" (");
|
||||
sb.append(header[0]);
|
||||
for (int i = 1; i < header.length; i++) {
|
||||
sb.append(",");
|
||||
sb.append(header[i]);
|
||||
}
|
||||
sb.append(") VALUES('");
|
||||
sb.append(values[0]);
|
||||
sb.append("'");
|
||||
for (int i = 1; i < values.length; i++) {
|
||||
sb.append(",'");
|
||||
sb.append(values[i]);
|
||||
sb.append("'");
|
||||
}
|
||||
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;
|
||||
}
|
||||
|
||||
protected static List<String> getTable(String table){
|
||||
List<String> data = new ArrayList<>();
|
||||
StringBuilder sb;
|
||||
try(Connection conn = connect()) {
|
||||
String sql = "SELECT * FROM " + table;
|
||||
PreparedStatement ps = conn.prepareStatement(sql);
|
||||
ResultSet rs = ps.executeQuery();
|
||||
ResultSetMetaData rsmd = rs.getMetaData();
|
||||
int count = rsmd.getColumnCount();
|
||||
while (rs.next()){
|
||||
System.out.println(rs.getInt("id"));
|
||||
sb = new StringBuilder();
|
||||
sb.append(rs.getString(1));
|
||||
for(int i = 2; i <= count; i++){
|
||||
sb.append(":");
|
||||
sb.append(rs.getString(i));
|
||||
}
|
||||
data.add(sb.toString());
|
||||
}
|
||||
}catch (SQLException e){
|
||||
return new ArrayList<>();
|
||||
}
|
||||
return data;
|
||||
}
|
||||
|
||||
protected static List<String> select(String table,String[] header, String[] values){
|
||||
List<String> data = new ArrayList<>();
|
||||
StringBuilder sb;
|
||||
String sql = queryBuilder("selectMatch",table,header,values);
|
||||
try(Connection conn = connect()) {
|
||||
PreparedStatement ps = conn.prepareStatement(sql);
|
||||
ResultSet rs = ps.executeQuery();
|
||||
ResultSetMetaData rsmd = rs.getMetaData();
|
||||
int count = rsmd.getColumnCount();
|
||||
while (rs.next()){
|
||||
sb = new StringBuilder();
|
||||
sb.append(rs.getString(1));
|
||||
for(int i = 2; i <= count; i++){
|
||||
sb.append(":");
|
||||
sb.append(rs.getString(i));
|
||||
}
|
||||
data.add(sb.toString());
|
||||
}
|
||||
}catch (SQLException e){
|
||||
e.printStackTrace();
|
||||
return;
|
||||
} */
|
||||
return data;
|
||||
}
|
||||
return data;
|
||||
}
|
||||
|
||||
protected static List<String> getEntryById(String table, long id){
|
||||
List<String> data = new ArrayList<>();
|
||||
StringBuilder sb;
|
||||
String sql = "SELECT * FROM " + table + " WHERE id = ?;";
|
||||
try (Connection conn = connect()) {
|
||||
PreparedStatement ps = conn.prepareStatement(sql);
|
||||
ps.setLong(1,id);
|
||||
ResultSet rs = ps.executeQuery();
|
||||
ResultSetMetaData rsmd = rs.getMetaData();
|
||||
int count = rsmd.getColumnCount();
|
||||
while (rs.next()){
|
||||
sb = new StringBuilder();
|
||||
sb.append(rs.getString(1));
|
||||
for(int i = 2; i <= count; i++){
|
||||
sb.append(":");
|
||||
sb.append(rs.getString(i));
|
||||
}
|
||||
data.add(sb.toString());
|
||||
}
|
||||
} catch (SQLException e) {
|
||||
e.printStackTrace();
|
||||
return data;
|
||||
}
|
||||
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;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
@ -0,0 +1,82 @@
|
||||
package com.bib.essensbestellungsverwaltung;
|
||||
/*
|
||||
@author Malte Schulze Hobeling
|
||||
*/
|
||||
|
||||
import java.util.ArrayList;
|
||||
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);
|
||||
}
|
||||
|
||||
public static long createFood_selection(String[] food_selectionData){
|
||||
String[] food_selectionH = {"childid","food_planid","foodid"};
|
||||
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;
|
||||
}
|
||||
}
|
||||
@ -25,7 +25,7 @@ public class HelloApplication extends Application {
|
||||
public static void main(String[] args) {
|
||||
Database.init();
|
||||
Database.createDb();
|
||||
Database.fillSampleDb();
|
||||
Database.fillDb();
|
||||
Database.printSampleQuery();
|
||||
//Database.deleteSample();
|
||||
launch();
|
||||
|
||||
@ -2,6 +2,10 @@ package com.bib.essensbestellungsverwaltung;
|
||||
|
||||
public class SuperMain {
|
||||
public static void main(String[] args) {
|
||||
if(args.length > 0){
|
||||
ConsoleMain.main(args);
|
||||
}else {
|
||||
HelloApplication.main(args);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user