10 comment

src/main/java/com/markma/leave_manager_spb/controller/CommentHandler.java

@@ -0,0 +1,50 @@
+package com.markma.leave_manager_spb.controller;
+
+import com.markma.leave_manager_spb.entity.Comment;
+import com.markma.leave_manager_spb.repository.CommentRepository;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.web.bind.annotation.*;
+
+import java.util.ArrayList;
+import java.util.List;
+
+@RestController
+@RequestMapping("/comment")
+
+public class CommentHandler {
+    @Autowired
+    private CommentRepository commentRepository;
+
+    @GetMapping("/findAllPaged/{page}/{size}")
+    public List<Comment> findAllPaged(@PathVariable("page") int page, @PathVariable("size") int size) {
+        List<Comment> Cs = commentRepository.findAll();
+        List<Comment> LeftCs = new ArrayList<Comment>();
+        int num = 0, pagemin = (page - 1) * size + 1, pagemax = page * size;
+        for (int i = 0; i < Cs.size(); i++) {
+            num++;
+            if (num >= pagemin && num <= pagemax) LeftCs.add(Cs.get(i));
+        }
+        return LeftCs;
+    }
+
+    @GetMapping("/findAllNum")
+    public Integer findAllNum() {
+        return commentRepository.findAll().size();
+    }
+
+
+    @PostMapping("/save")
+    public String save(@RequestBody Comment comment) {
+        Comment result = commentRepository.save(comment);
+        if (result != null) {
+            return "success";
+        } else {
+            return "error";
+        }
+    }
+
+    @GetMapping("delete/{id}")
+    public void delete(@PathVariable Integer id) {
+        commentRepository.deleteById(id);
+    }
+}

src/main/java/com/markma/leave_manager_spb/entity/Comment.java

@@ -0,0 +1,17 @@
+package com.markma.leave_manager_spb.entity;
+
+import lombok.Data;
+
+import javax.persistence.Entity;
+import javax.persistence.GeneratedValue;
+import javax.persistence.GenerationType;
+import javax.persistence.Id;
+
+@Entity
+@Data
+public class Comment {
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Integer id;
+    private String comment_detail;
+}

src/main/java/com/markma/leave_manager_spb/repository/CommentRepository.java

@@ -0,0 +1,7 @@
+package com.markma.leave_manager_spb.repository;
+
+import com.markma.leave_manager_spb.entity.Comment;
+import org.springframework.data.jpa.repository.JpaRepository;
+
+public interface CommentRepository extends JpaRepository<Comment, Integer> {
+}