diff --git a/util/oldModels/index.ts b/util/oldModels/index.ts
new file mode 100644
index 00000000..63578a13
--- /dev/null
+++ b/util/oldModels/index.ts
@@ -0,0 +1,93 @@
+// @ts-nocheck
+import mongoose, { Schema, Document } from "mongoose";
+import mongooseAutoPopulate from "mongoose-autopopulate";
+
+type UpdateWithAggregationPipeline = UpdateAggregationStage[];
+type UpdateAggregationStage =
+ | { $addFields: any }
+ | { $set: any }
+ | { $project: any }
+ | { $unset: any }
+ | { $replaceRoot: any }
+ | { $replaceWith: any };
+type EnforceDocument<T, TMethods> = T extends Document ? T : T & Document & TMethods;
+
+declare module "mongoose" {
+ interface SchemaOptions {
+ removeResponse?: string[];
+ }
+ interface Model<T, TQueryHelpers = {}, TMethods = {}> {
+ // removed null -> always return document -> throw error if it doesn't exist
+ findOne(
+ filter?: FilterQuery<T>,
+ projection?: any | null,
+ options?: QueryOptions | null,
+ callback?: (err: CallbackError, doc: EnforceDocument<T, TMethods>) => void
+ ): QueryWithHelpers<EnforceDocument<T, TMethods>, EnforceDocument<T, TMethods>, TQueryHelpers>;
+ findOneAndUpdate(
+ filter?: FilterQuery<T>,
+ update?: UpdateQuery<T> | UpdateWithAggregationPipeline,
+ options?: QueryOptions | null,
+ callback?: (err: any, doc: EnforceDocument<T, TMethods> | null, res: any) => void
+ ): QueryWithHelpers<EnforceDocument<T, TMethods>, EnforceDocument<T, TMethods>, TQueryHelpers>;
+ }
+}
+
+var HTTPError: any;
+
+try {
+ HTTPError = require("lambert-server").HTTPError;
+} catch (e) {
+ HTTPError = Error;
+}
+
+mongoose.plugin(mongooseAutoPopulate);
+
+mongoose.plugin((schema: Schema, opts: any) => {
+ schema.set("toObject", {
+ virtuals: true,
+ versionKey: false,
+ transform(doc: any, ret: any) {
+ delete ret._id;
+ delete ret.__v;
+ const props = schema.get("removeResponse") || [];
+ props.forEach((prop: string) => {
+ delete ret[prop];
+ });
+ },
+ });
+ schema.post("findOne", function (doc, next) {
+ try {
+ // @ts-ignore
+ const isExistsQuery = JSON.stringify(this._userProvidedFields) === JSON.stringify({ _id: 1 });
+ if (!doc && !isExistsQuery) {
+ // @ts-ignore
+ return next(new HTTPError(`${this?.mongooseCollection?.name}.${this?._conditions?.id} not found`, 400));
+ }
+ // @ts-ignore
+ return next();
+ } catch (error) {
+ // @ts-ignore
+ next();
+ }
+ });
+});
+
+export * from "../models/Activity";
+export * from "./Application";
+export * from "./Ban";
+export * from "./Channel";
+export * from "./Emoji";
+export * from "./Event";
+export * from "./Template";
+export * from "./Guild";
+export * from "./Invite";
+export * from "./Interaction";
+export * from "./Member";
+export * from "./Message";
+export * from "../models/Status";
+export * from "./Role";
+export * from "./User";
+export * from "./VoiceState";
+export * from "./ReadState";
+export * from "./RateLimit";
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