initial commit

models/contests.ts

@@ -0,0 +1,18 @@
+import {Schema, model, Types} from 'mongoose';
+
+import {Problem} from './problems';
+
+export interface Contest{
+  _id: Types.ObjectId;
+  channelId: string;
+  startTime: number;
+  problems: Problem[];
+}
+
+const contestSchema = new Schema<Contest>({
+  channelId: {type: String, required: true},
+  startTime: {type: Number, required: true},
+  problems: [{type: Schema.Types.ObjectId, ref: 'Problem'}],
+});
+
+export const contestModel = model<Contest>('Contest', contestSchema);