| | |
| | | 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.*; |
| | |
| | | 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()); |
| | | } |
| | | |
| | | } |