From 37e2b6c7cb1fde8b9e7bf8cb38f01eee8157324f Mon Sep 17 00:00:00 2001
From: Fibinger Ádám <adam.fibinger@wup.hu>
Date: Wed, 27 Feb 2019 14:47:00 +0100
Subject: [PATCH] JPA + Hibernate working version (H2 console enabled)
---
src/main/java/hu/unr/fiber/cardapi/CardController.java | 122 +++++++++++++++++++++++++---------------
1 files changed, 76 insertions(+), 46 deletions(-)
diff --git a/src/main/java/hu/unr/fiber/cardapi/CardController.java b/src/main/java/hu/unr/fiber/cardapi/CardController.java
index a25836a..76aff0f 100644
--- a/src/main/java/hu/unr/fiber/cardapi/CardController.java
+++ b/src/main/java/hu/unr/fiber/cardapi/CardController.java
@@ -1,13 +1,11 @@
package hu.unr.fiber.cardapi;
-import java.util.ArrayList;
+import java.net.URI;
import java.util.List;
import java.util.Optional;
-import java.util.Random;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
-import org.springframework.http.HttpHeaders;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.*;
@@ -17,79 +15,111 @@
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() {
- logger.info("/index called.");
- return "Hello world! Hateoas helyett: (/cards GET /card/{id} POST /card/{id} PUT /card/{id} DELETE /card/{id} )";
+ logger.info("GET /index called.");
+ return "Hateoas helyett: (/cards GET /card/{id} POST /card/{id} PUT /card/{id} DELETE /card/{id} )";
}
@GetMapping("/cards")
public List<Card> cards() {
- logger.info("/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> getUser(@PathVariable("id") long id) {
- logger.info("/card/" + id + " called");
- return Optional
- .ofNullable(this.getCardByID(id))
- .map(card -> ResponseEntity.ok().body(card)) //200 OK
- .orElseGet(() -> ResponseEntity.notFound().build()); //404 Not found
- }
+ public ResponseEntity<Card> getCard(@PathVariable("id") long id) {
+ logger.info("GET /card/" + id + " called.");
- private Card getCardByID(long id) {
- for (Card card : cardList) {
- if (card.getId() == id) {
- return card;
- }
+ if (!this.cardRepository.existsById(id)) {
+ return ResponseEntity.notFound().build();
}
- return null;
+ Card card = this.cardRepository.getOne(id);
+
+ return ResponseEntity.ok().body(card);
+ }
+
+ @DeleteMapping(value = "/card/{id}")
+ public ResponseEntity<String> deleteCard(@PathVariable("id") long id) {
+ logger.info("DELETE /card/" + id + " called");
+
+ return Optional
+ .ofNullable(this.cardRepository.getOne(id))
+ .map(
+ card -> {
+ this.cardRepository.delete(card);
+ this.cardRepository.flush();
+ return ResponseEntity.ok().body("OK");
+ }
+ )
+ .orElseGet(() -> ResponseEntity.status(HttpStatus.NOT_FOUND).body("No card available with id: "+ id));
+ }
+
+ @PostMapping(value = "/card/{id}")
+ public ResponseEntity<String> updateCard(@PathVariable("id") long id, @RequestBody Card updatedCard, UriComponentsBuilder ucBuilder) {
+
+ logger.info("POST /card/"+ id + " called, card update.");
+
+ if (updatedCard.validId() && (updatedCard.getId() != id))
+ {
+ return ResponseEntity
+ .badRequest()
+ .body("Id field cannot be modified.");
+ }
+
+ Card originalCard = this.cardRepository.getOne(id);
+
+ if (originalCard.equals(updatedCard)) {
+ return ResponseEntity.accepted().body("Update has no changes.");
+ }
+
+ //card number updated, we have to check if its already exists
+ if (!originalCard.getNumber().equals(updatedCard.getNumber()) && this.getCardByNumber(updatedCard.getNumber()) != null) {
+ logger.error("Unable to update card with id {}. A different Card with number {} already exist", originalCard.getId(), updatedCard.getNumber());
+ return ResponseEntity.status(HttpStatus.CONFLICT).body("Card with number " + updatedCard.getNumber() + " already exists.");
+ }
+
+ originalCard.update(updatedCard);
+ this.cardRepository.flush();
+
+ return ResponseEntity.accepted().body("OK");
}
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) {
- logger.info("Creating Card : {}", card);
+ logger.info("Creating Card : {}", card.getNumber());
if (this.getCardByNumber(card.getNumber()) != null) {
logger.error("Unable to create. A Card with number {} already exist", card.getNumber());
- return ResponseEntity.status(HttpStatus.CONFLICT).build();
+ return ResponseEntity.status(HttpStatus.CONFLICT).body("Card with number "+ card.getNumber() + " already exists.");
}
- long nextId = new Random().nextLong();
+ this.cardRepository.saveAndFlush(card);
- while (this.getCardByID(nextId) != null) {
- nextId = new Random().nextLong();
- }
+ URI newCardURI = ucBuilder.path("/card/{id}").buildAndExpand(card.getId()).toUri();
- card.setId(nextId);
-
- cardList.add(card);
-
- HttpHeaders headers = new HttpHeaders();
- headers.setLocation(ucBuilder.path("/card/{id}").buildAndExpand(card.getId()).toUri());
- return new ResponseEntity<String>(headers, HttpStatus.CREATED);
+ return ResponseEntity
+ .created(newCardURI)
+ .body(newCardURI.toString());
}
}
\ No newline at end of file
--
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