save

src/main/java/cn/biq/mn/TestController.java

@@ -21,7 +21,7 @@ public class TestController {
 
     @RequestMapping(method = RequestMethod.GET, value = "/version")
     public BaseResponse handleVersion() {
-        return new DataResponse<>("93.65");
+        return new DataResponse<>("93.66");
     }
 
     @GetMapping("/test3")

src/main/java/cn/biq/mn/currency/ChangeRateForm.java

@@ -0,0 +1,14 @@
+package cn.biq.mn.currency;
+
+import lombok.Getter;
+import lombok.Setter;
+import java.math.BigDecimal;
+
+@Getter
+@Setter
+public class ChangeRateForm {
+
+    private String base;
+    private BigDecimal rate;
+
+}

src/main/java/cn/biq/mn/currency/CurrencyController.java

@@ -6,11 +6,9 @@
 import cn.biq.mn.response.DataResponse;
 import cn.biq.mn.response.PageResponse;
 import jakarta.annotation.Resource;
+import jakarta.validation.Valid;
 import org.springframework.data.domain.Pageable;
-import org.springframework.web.bind.annotation.RequestMapping;
-import org.springframework.web.bind.annotation.RequestMethod;
-import org.springframework.web.bind.annotation.RequestParam;
-import org.springframework.web.bind.annotation.RestController;
+import org.springframework.web.bind.annotation.*;
 
 import java.math.BigDecimal;
 
@@ -47,7 +45,10 @@ public BaseResponse handleCalc(@RequestParam String from, @RequestParam String t
         return new DataResponse<>(currencyService.calc(from, to, amount));
     }
 
-
-
+    @RequestMapping(method = RequestMethod.PUT, value = "/{id}/rate")
+    public BaseResponse handleUpdateRate(@PathVariable("id") Integer id, @Valid @RequestBody ChangeRateForm form) {
+        currencyService.changeRate(id, form);
+        return new BaseResponse(true);
+    }
 
 }

src/main/java/cn/biq/mn/currency/CurrencyService.java

@@ -128,4 +128,16 @@ public BigDecimal calc(String from, String to, BigDecimal amount) {
         return amount.multiply(rate).setScale(2, RoundingMode.HALF_EVEN);
     }
 
+    public void changeRate(Integer id, ChangeRateForm form) {
+        List<CurrencyDetails> currencyList = applicationScopeBean.getCurrencyDetailsList();
+        CurrencyDetails currencyDetails;
+        Optional<CurrencyDetails> currencyDetailsOptional = currencyList.stream().filter(i -> i.getId().equals(id)).findFirst();
+        if (currencyDetailsOptional.isPresent()) {
+            currencyDetails = currencyDetailsOptional.get();
+        } else {
+            throw new ItemNotFoundException();
+        }
+        currencyDetails.setRate(form.getRate().multiply(convert(form.getBase(), "USD")).doubleValue());
+    }
+
 }