| commit | author | age | ||
| 9b7a17 | 1 | package hu.unr.fiber.cardapi; |
| FÁ | 2 | |
| 3 | import java.util.ArrayList; | |
| 4 | import java.util.List; | |
| 5 | import java.util.Optional; | |
| 6 | import java.util.Random; | |
| 7 | ||
| 8 | import org.slf4j.Logger; | |
| 9 | import org.slf4j.LoggerFactory; | |
| 10 | import org.springframework.http.HttpHeaders; | |
| 11 | import org.springframework.http.HttpStatus; | |
| 12 | import org.springframework.http.ResponseEntity; | |
| 13 | import org.springframework.web.bind.annotation.*; | |
| 14 | import org.springframework.web.util.UriComponentsBuilder; | |
| 15 | ||
| 16 | @RestController | |
| 17 | public class CardController { | |
| 18 | Logger logger = LoggerFactory.getLogger(CardController.class); | |
| 19 | ||
| 20 | protected List<Card> cardList = new ArrayList<>(); | |
| 21 | ||
| 22 | public CardController() { | |
| 23 | cardList.add(new Card(1, "Első kártya", "1")); | |
| 24 | cardList.add(new Card(2, "Második kártya", "2")); | |
| 25 | cardList.add(new Card(5, "Harmadik kártya", "4")); | |
| 26 | cardList.add(new Card(8, "Tízezer egyszázadik kártya", "10100")); | |
| 27 | } | |
| 28 | ||
| 29 | @GetMapping("/") | |
| 30 | public String index() { | |
| 31 | logger.info("/index called."); | |
| 32 | return "Hello world! Hateoas helyett: (/cards GET /card/{id} POST /card/{id} PUT /card/{id} DELETE /card/{id} )"; | |
| 33 | } | |
| 34 | ||
| 35 | @GetMapping("/cards") | |
| 36 | public List<Card> cards() { | |
| 37 | logger.info("/cards called, responded with " + cardList.size() + " items."); | |
| 38 | return cardList; | |
| 39 | } | |
| 40 | ||
| 41 | @GetMapping(value = "/card/{id}") | |
| 42 | public ResponseEntity<Card> getUser(@PathVariable("id") long id) { | |
| 43 | logger.info("/card/" + id + " called"); | |
| 44 | return Optional | |
| 45 | .ofNullable(this.getCardByID(id)) | |
| 46 | .map(card -> ResponseEntity.ok().body(card)) //200 OK | |
| 47 | .orElseGet(() -> ResponseEntity.notFound().build()); //404 Not found | |
| 48 | } | |
| 49 | ||
| 50 | private Card getCardByID(long id) { | |
| 51 | for (Card card : cardList) { | |
| 52 | if (card.getId() == id) { | |
| 53 | return card; | |
| 54 | } | |
| 55 | } | |
| 56 | ||
| 57 | return null; | |
| 58 | } | |
| 59 | ||
| 60 | private Card getCardByNumber(String number) { | |
| 61 | for (Card card : cardList) { | |
| 62 | if (card.getNumber().equals(number)) { | |
| 63 | return card; | |
| 64 | } | |
| 65 | } | |
| 66 | ||
| 67 | return null; | |
| 68 | } | |
| 69 | ||
| 70 | ||
| 71 | @PostMapping(value = "/card") | |
| 72 | public ResponseEntity<String> createCard(@RequestBody Card card, UriComponentsBuilder ucBuilder) { | |
| 73 | logger.info("Creating Card : {}", card); | |
| 74 | ||
| 75 | if (this.getCardByNumber(card.getNumber()) != null) { | |
| 76 | logger.error("Unable to create. A Card with number {} already exist", card.getNumber()); | |
| 77 | return ResponseEntity.status(HttpStatus.CONFLICT).build(); | |
| 78 | } | |
| 79 | ||
| 80 | long nextId = new Random().nextLong(); | |
| 81 | ||
| 82 | while (this.getCardByID(nextId) != null) { | |
| 83 | nextId = new Random().nextLong(); | |
| 84 | } | |
| 85 | ||
| 86 | card.setId(nextId); | |
| 87 | ||
| 88 | cardList.add(card); | |
| 89 | ||
| 90 | HttpHeaders headers = new HttpHeaders(); | |
| 91 | headers.setLocation(ucBuilder.path("/card/{id}").buildAndExpand(card.getId()).toUri()); | |
| 92 | return new ResponseEntity<String>(headers, HttpStatus.CREATED); | |
| 93 | } | |
| 94 | ||
| 95 | } | |
