lab 4 favor controller done

src/main/java/ru/ulstu/is/sbapp/repair/controller/FavorController.java

@@ -1,4 +1,47 @@
 package ru.ulstu.is.sbapp.repair.controller;
 
+import org.springframework.web.bind.annotation.*;
+import javax.validation.Valid;
+import ru.ulstu.is.sbapp.repair.service.FavorService;
+
+import java.util.List;
+
+@RestController
+@RequestMapping("/component")
 public class FavorController {
+    private final FavorService favorService;
+    public FavorController(FavorService favorService){
+        this.favorService = favorService;
+    }
+    @PostMapping
+    public FavorDTO addProduct(@RequestBody @Valid FavorDTO favorDTO) {
+        return new FavorDTO(favorService.addFavor(favorDTO));
+    }
+
+    @PutMapping("/{id}")
+    public FavorDTO updateProduct(@PathVariable Long id,@RequestBody @Valid FavorDTO favorDTO) {
+        return new FavorDTO(favorService.updateFavor(id,favorDTO));
+    }
+
+    @DeleteMapping("/{id}")
+    public FavorDTO removeProduct(@PathVariable Long id) {
+        return new FavorDTO(favorService.deleteFavor(id));
+    }
+
+    @DeleteMapping
+    public void removeAllProducts() {
+        favorService.deleteAllFavor();
+    }
+
+    @GetMapping("/{id}")
+    public FavorDTO findProduct(@PathVariable Long id) {
+        return new FavorDTO(favorService.findFavor(id));
+    }
+    @GetMapping
+    public List<FavorDTO> findAllProduct() {
+        return favorService.findAllFavor()
+                .stream()
+                .map(FavorDTO::new)
+                .toList();
+    }
 }