✨ feat(gvgBattle): 添加部分保存阵容、进出城池等接口的逻辑

shared/db/GVGCity.ts

@@ -34,8 +34,14 @@ export default class GVGCity extends BaseModel {
     }
 
     // 通过 cityId 获取城市
-    public static async getCityByCityId(cityId: number) {
-        const city: GVGCityType | null = await GVGCityModel.findOne({ cityId }).lean();
+    public static async getCityByCityId(configId: number, cityId: number) {
+        const city: GVGCityType | null = await GVGCityModel.findOne({ configId, cityId }).lean();
+        return city;
+    }
+
+    // 更新城市字段
+    public static async updateCityUser(configId: number, cityId: number, userInc: number, teamInc: number) {
+        const city: GVGCityType | null = await GVGCityModel.findOneAndUpdate({ configId, cityId}, { $inc: {userCnt: userInc, teamCnt: teamInc} }, { new: true }).lean();
         return city;
     }
 }
@@ -45,4 +51,7 @@ export const GVGCityModel = getModelForClass(GVGCity);
 
 export interface GVGCityType extends Pick<DocumentType<GVGCity>, keyof GVGCity> {
     id: number;
-};
+};
+
+export type GVGCityUpdate = Partial<GVGCityType>; // 将所有字段变成可选项
+