feat(theme): 新增主题详情查询接口

支持根据主题ID和用户ID查询主题详情，包含购买状态

src/main/java/com/yolo/keyborad/config/SaTokenConfigure.java

@@ -90,7 +90,8 @@ public class SaTokenConfigure implements WebMvcConfigurer {
                 "/wallet/balance",
                 "/themes/purchase",
                 "/themes/purchased",
-                "/themes/purchase/list"
+                "/themes/purchase/list",
+                "/themes/detail"
         };
     }
     @Bean

src/main/java/com/yolo/keyborad/controller/ThemesController.java

@@ -75,4 +75,12 @@ public class ThemesController {
         return ResultUtils.success(result);
     }
 
+    @GetMapping("/detail")
+    @Operation(summary = "查询主题详情", description = "根据主题ID查询主题详情")
+    public BaseResponse<KeyboardThemesRespVO> getThemeDetail(@RequestParam Long themeId) {
+        Long userId = StpUtil.getLoginIdAsLong();
+        KeyboardThemesRespVO result = themesService.getThemeDetail(themeId, userId);
+        return ResultUtils.success(result);
+    }
+
 }

src/main/java/com/yolo/keyborad/service/KeyboardThemesService.java

@@ -21,4 +21,12 @@ public interface KeyboardThemesService extends IService<KeyboardThemes>{
      */
     List<KeyboardThemesRespVO> selectThemesByStyle(Long themeStyle, Long userId);
 
+    /**
+     * 查询主题详情
+     * @param themeId 主题ID
+     * @param userId 用户ID
+     * @return 主题详情
+     */
+    KeyboardThemesRespVO getThemeDetail(Long themeId, Long userId);
+
 }

src/main/java/com/yolo/keyborad/service/impl/KeyboardThemesServiceImpl.java

@@ -58,4 +58,27 @@ public class KeyboardThemesServiceImpl extends ServiceImpl<KeyboardThemesMapper,
             return vo;
         }).collect(Collectors.toList());
     }
+
+    @Override
+    public KeyboardThemesRespVO getThemeDetail(Long themeId, Long userId) {
+        KeyboardThemes theme = this.lambdaQuery()
+                .eq(KeyboardThemes::getId, themeId)
+                .eq(KeyboardThemes::getDeleted, false)
+                .eq(KeyboardThemes::getThemeStatus, true)
+                .one();
+
+        if (theme == null) {
+            return null;
+        }
+
+        boolean isPurchased = purchaseService.lambdaQuery()
+                .eq(KeyboardThemePurchase::getUserId, userId)
+                .eq(KeyboardThemePurchase::getThemeId, themeId)
+                .eq(KeyboardThemePurchase::getPayStatus, (short) 1)
+                .exists();
+
+        KeyboardThemesRespVO vo = BeanUtil.copyProperties(theme, KeyboardThemesRespVO.class);
+        vo.setIsPurchased(isPurchased);
+        return vo;
+    }
 }