JPA + Hibernate working version (H2 console enabled)

Fibinger Ádám

2019-02-27 37e2b6c7cb1fde8b9e7bf8cb38f01eee8157324f

 src/main/java/hu/unr/fiber/cardapi/CardController.java

@@ -1,10 +1,8 @@
package hu.unr.fiber.cardapi;

import java.net.URI;
import java.util.ArrayList;
import java.util.List;
import java.util.Optional;
import java.util.Random;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
@@ -17,14 +15,12 @@
public class CardController {
    Logger logger = LoggerFactory.getLogger(CardController.class);

    protected List<Card> cardList = new ArrayList<>();

    public CardController() {
        cardList.add(new Card(1, "Első kártya", "1"));
        cardList.add(new Card(2, "Második kártya", "2"));
        cardList.add(new Card(5, "Harmadik kártya", "4"));
        cardList.add(new Card(8, "Tízezer egyszázadik kártya", "10100"));
    CardController(CardRepository cR)
    {
        this.cardRepository = cR;
    }

    CardRepository cardRepository;

    @GetMapping("/")
    public String index() {
@@ -34,17 +30,21 @@

    @GetMapping("/cards")
    public List<Card> cards() {
        logger.info("GET /cards called, responded with " + cardList.size() + " items.");
        return cardList;
        logger.info("GET /cards called, responded with items.");
        return cardRepository.findAll();
    }

    @GetMapping(value = "/card/{id}")
    public ResponseEntity<Card> getCard(@PathVariable("id") long id) {
        logger.info("GET /card/" + id + " called.");
        return Optional
                .ofNullable(this.getCardByID(id))
                .map(card -> ResponseEntity.ok().body(card))          //200 OK
                .orElseGet(() -> ResponseEntity.notFound().build());  //404 Not found

        if (!this.cardRepository.existsById(id)) {
            return ResponseEntity.notFound().build();
        }

        Card card = this.cardRepository.getOne(id);

        return ResponseEntity.ok().body(card);
    }

    @DeleteMapping(value = "/card/{id}")
@@ -52,10 +52,11 @@
        logger.info("DELETE /card/" + id + " called");

        return Optional
                .ofNullable(this.getCardByID(id))
                .ofNullable(this.cardRepository.getOne(id))
                .map(
                        card -> {
                            this.cardList.remove(card);
                            this.cardRepository.delete(card);
                            this.cardRepository.flush();
                            return ResponseEntity.ok().body("OK");
                        }
                )
@@ -74,7 +75,7 @@
                    .body("Id field cannot be modified.");
        }

        Card originalCard = this.getCardByID(id);
        Card originalCard = this.cardRepository.getOne(id);

        if (originalCard.equals(updatedCard)) {
            return ResponseEntity.accepted().body("Update has no changes.");
@@ -87,30 +88,21 @@
        }

        originalCard.update(updatedCard);
        this.cardRepository.flush();

        return ResponseEntity.accepted().body("OK");
    }

    private Card getCardByID(long id) {
        for (Card card : cardList) {
            if (card.getId() == id) {
                return card;
            }
        }

        return null;
    }

    private Card getCardByNumber(String number) {
        for (Card card : cardList) {
            if (card.getNumber().equals(number)) {
                return card;
            }

        Long id = cardRepository.findIdByNumber(number);

        if (id == null) {
            return null;
        }

        return null;
        return cardRepository.getOne(id);
    }


    @PostMapping(value = "/card")
    public ResponseEntity<String> createCard(@RequestBody Card card, UriComponentsBuilder ucBuilder) {
@@ -121,15 +113,7 @@
            return ResponseEntity.status(HttpStatus.CONFLICT).body("Card with number "+ card.getNumber() + " already exists.");
        }

        long nextId = 1;

        while (this.getCardByID(nextId) != null) {
            nextId++;
        }

        card.setId(nextId);

        cardList.add(card);
        this.cardRepository.saveAndFlush(card);

        URI newCardURI = ucBuilder.path("/card/{id}").buildAndExpand(card.getId()).toUri();