feat: add addFirearm endpoint and FirearmRequest DTO for firearm creation

src/main/java/com/onixbyte/deltaforceguide/controller/FirearmController.java

@@ -1,5 +1,6 @@
 package com.onixbyte.deltaforceguide.controller;
 
+import com.onixbyte.deltaforceguide.domain.dto.FirearmRequest;
 import com.onixbyte.deltaforceguide.domain.dto.FirearmResponse;
 import com.onixbyte.deltaforceguide.domain.dto.PageResponse;
 import com.onixbyte.deltaforceguide.enumeration.FirearmType;
@@ -11,11 +12,7 @@ import jakarta.validation.constraints.Min;
 import org.springframework.data.domain.PageRequest;
 import org.springframework.data.domain.Sort;
 import org.springframework.validation.annotation.Validated;
-import org.springframework.web.bind.annotation.GetMapping;
-import org.springframework.web.bind.annotation.PathVariable;
-import org.springframework.web.bind.annotation.RequestMapping;
-import org.springframework.web.bind.annotation.RequestParam;
-import org.springframework.web.bind.annotation.RestController;
+import org.springframework.web.bind.annotation.*;
 
 @Tag(name = "武器管理", description = "与武器有关的操作")
 @RestController
@@ -46,5 +43,10 @@ public class FirearmController {
     public FirearmResponse queryById(@PathVariable Long id) {
         return firearmService.queryById(id);
     }
+
+    @PostMapping
+    public FirearmResponse addFirearm(@Validated @RequestBody FirearmRequest request) {
+        return firearmService.addFirearm(request);
+    }
 }
 

src/main/java/com/onixbyte/deltaforceguide/domain/dto/FirearmRequest.java

@@ -0,0 +1,15 @@
+package com.onixbyte.deltaforceguide.domain.dto;
+
+import com.onixbyte.deltaforceguide.enumeration.FirearmType;
+
+public record FirearmRequest(
+        String name,
+        FirearmType type,
+        String level,
+        String calibre,
+        Integer fireRate,
+        Integer armourDamage,
+        Integer bodyDamage,
+        String review
+) {
+}

src/main/java/com/onixbyte/deltaforceguide/service/FirearmService.java

@@ -1,5 +1,6 @@
 package com.onixbyte.deltaforceguide.service;
 
+import com.onixbyte.deltaforceguide.domain.dto.FirearmRequest;
 import com.onixbyte.deltaforceguide.domain.dto.FirearmResponse;
 import com.onixbyte.deltaforceguide.domain.dto.PageResponse;
 import com.onixbyte.deltaforceguide.domain.entity.Firearm;
@@ -36,5 +37,20 @@ public class FirearmService {
                 .map(FirearmResponse::from)
                 .orElseThrow(() -> new ResponseStatusException(HttpStatus.NOT_FOUND, "Firearm not found: " + id));
     }
+
+    public FirearmResponse addFirearm(FirearmRequest request) {
+        var firearm = firearmRepository.save(Firearm.builder()
+                .name(request.name())
+                .type(request.type())
+                .level(request.level())
+                .calibre(request.calibre())
+                .fireRate(request.fireRate())
+                .armourDamage(request.armourDamage())
+                .bodyDamage(request.bodyDamage())
+                .review(request.review())
+                .build());
+        
+        return FirearmResponse.from(firearm);
+    }
 }