后台：活动组

shared/db/ActivityGroup.ts

@@ -144,6 +144,20 @@ export default class Activity_Group extends BaseModel {
         const result = await ActivityGroupModel.count(searchObj);
         return result;
     }
+
+    public static async findAllActivityGroups() {
+        let all: ActivityGroupModelType[] = [];
+        let createdAt;
+        for(let i = 0; i < 9999; i++) { // 防死循环
+            let condition = {};
+            if(createdAt) condition['createdAt'] = { $gt: createdAt }
+            let cur = await ActivityGroupModel.find(condition).limit(1000).sort({ createdAt: 1 }).lean();
+            if(cur.length == 0) break;
+            createdAt = cur[cur.length - 1].createdAt;
+            all.push(...cur);
+        }
+        return all;
+    }
 }
 
 export const ActivityGroupModel = getModelForClass(Activity_Group);