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       │ File: src/main//java/jp/ac/kobe_u/cs/itspecialist/todoapp/controller/ToDoRestController.java
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   1   │ package jp.ac.kobe_u.cs.itspecialist.todoapp.controller;
   2   │ 
   3   │ import java.util.List;
   4   │ 
   5   │ import org.springframework.beans.factory.annotation.Autowired;
   6   │ import org.springframework.data.domain.Page;
   7   │ import org.springframework.data.domain.Pageable;
   8   │ import org.springframework.http.HttpStatus;
   9   │ import org.springframework.http.ResponseEntity;
  10   │ import org.springframework.validation.annotation.Validated;
  11   │ import org.springframework.web.bind.MethodArgumentNotValidException;
  12   │ import org.springframework.web.bind.annotation.DeleteMapping;
  13   │ import org.springframework.web.bind.annotation.ExceptionHandler;
  14   │ import org.springframework.web.bind.annotation.GetMapping;
  15   │ import org.springframework.web.bind.annotation.PathVariable;
  16   │ import org.springframework.web.bind.annotation.PostMapping;
  17   │ import org.springframework.web.bind.annotation.PutMapping;
  18   │ import org.springframework.web.bind.annotation.RequestBody;
  19   │ import org.springframework.web.bind.annotation.RequestMapping;
  20   │ import org.springframework.web.bind.annotation.RestController;
  21   │ 
  22   │ import jp.ac.kobe_u.cs.itspecialist.todoapp.dto.ToDoForm;
  23   │ import jp.ac.kobe_u.cs.itspecialist.todoapp.entity.ToDo;
  24   │ import jp.ac.kobe_u.cs.itspecialist.todoapp.exception.ToDoAppException;
  25   │ import jp.ac.kobe_u.cs.itspecialist.todoapp.service.MemberService;
  26   │ import jp.ac.kobe_u.cs.itspecialist.todoapp.service.ToDoService;
  27   │ 
  28   │ /**
  29   │  * ToDoの操作，CRUDを行うAPI
  30   │  */
  31   │ @RestController
  32   │ @RequestMapping("/api")
  33   │ public class ToDoRestController {
  34   │     @Autowired
  35   │     ToDoService todoService;
  36   │     @Autowired
  37   │     MemberService memberService;
  38   │ 
  39   │     /* --- C: ToDoを作成する --- */
  40   │     @PostMapping("/{mid}/todos")
  41   │     ToDo createToDo(@PathVariable String mid, @Validated @RequestBody ToDoForm form) {
  42   │         return todoService.createToDo(mid, form);
  43   │     }
  44   │ 
  45   │     /* --- R: ToDoを取得する (1件) --- */
  46   │     @GetMapping("/{mid}/todos/{seq}")
  47   │     ToDo getToDoList(@PathVariable String mid, @PathVariable Long seq) {
  48   │         return todoService.getToDo(seq);
  49   │     }
  50   │ 
  51   │     /* --- R: ToDoを取得する (リスト) --- */
  52   │     @GetMapping("/{mid}/todos")
  53   │     Page<ToDo> getToDoList(@PathVariable String mid) {
  54   │         return todoService.getToDoList(mid, "seq", "asc", Pageable.ofSize(10));
  55   │     }
  56   │ 
  57   │     /* --- R: Doneを取得する (リスト) --- */
  58   │     @GetMapping("/{mid}/dones")
  59   │     Page<ToDo> getDoneList(@PathVariable String mid) {
  60   │         return todoService.getDoneList(mid, "seq", "asc", Pageable.ofSize(10));
  61   │     }
  62   │ 
  63   │     /* --- U: ToDoを完了する --- */
  64   │     @PutMapping("/{mid}/todos/{seq}/done")
  65   │     ToDo done(@PathVariable String mid, @PathVariable Long seq) {
  66   │         return todoService.done(mid, seq);
  67   │     }
  68   │ 
  69   │     /* --- U: ToDoを更新する --- */
  70   │     @PutMapping("/{mid}/todos/{seq}")
  71   │     ToDo updateToDo(@PathVariable String mid, @PathVariable Long seq, @Validated @RequestBody ToDoForm form) {
  72   │         return todoService.updateToDo(mid, seq, form);
  73   │     }
  74   │ 
  75   │     /* --- D: ToDoを削除する --- */
  76   │     @DeleteMapping("/{mid}/todos/{seq}")
  77   │     boolean deleteToDo(@PathVariable String mid, @PathVariable Long seq) {
  78   │         todoService.deleteToDo(mid, seq);
  79   │         return true;
  80   │     }
  81   │ 
  82   │     /*--------------------- エラーハンドラー -----------------------------*/
  83   │     /*
  84   │      * 本当は@RestControllerAdviceにまとめて書きたいが，@ControllerAdviceと競合するので，
  85   │      * Controllerに書いている．
  86   │      */
  87   │     @ExceptionHandler(ToDoAppException.class)
  88   │     public ResponseEntity<Object> handleToDoException(ToDoAppException ex) {
  89   │         HttpStatus status;
  90   │         switch (ex.getCode()) {
  91   │             // 存在しない系例外
  92   │             case ToDoAppException.NO_SUCH_MEMBER_EXISTS:
  93   │             case ToDoAppException.NO_SUCH_TODO_EXISTS:
  94   │                 status = HttpStatus.NOT_FOUND;
  95   │                 break;
  96   │             // パラメタ異常系例外
  97   │             case ToDoAppException.MEMBER_ALREADY_EXISTS:
  98   │             case ToDoAppException.INVALID_MEMBER_INFO:
  99   │             case ToDoAppException.INVALID_TODO_INFO:
 100   │                 status = HttpStatus.BAD_REQUEST;
 101   │                 break;
 102   │             // 認可失敗系例外
 103   │             case ToDoAppException.INVALID_MEMBER_OPERATION:
 104   │             case ToDoAppException.INVALID_TODO_OPERATION:
 105   │                 status = HttpStatus.FORBIDDEN;
 106   │                 break;
 107   │             default:
 108   │                 status = HttpStatus.INTERNAL_SERVER_ERROR;
 109   │         }
 110   │         return new ResponseEntity<>(ex, status);
 111   │     }
 112   │ 
 113   │     /* -- バリデーション失敗 -- */
 114   │     @ExceptionHandler(MethodArgumentNotValidException.class)
 115   │     public ResponseEntity<Object> handleMethodArgumentNotValid(MethodArgumentNotValidException ex) {
 116   │         return new ResponseEntity<>(ex, HttpStatus.BAD_REQUEST);
 117   │     }
 118   │ 
 119   │     /* -- その他の例外 -- */
 120   │     @ExceptionHandler(Exception.class)
 121   │     public ResponseEntity<Object> handleException(Exception ex) {
 122   │         return new ResponseEntity<>(ex, HttpStatus.INTERNAL_SERVER_ERROR);
 123   │     }
 124   │ 
 125   │ }
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