feat(db/models): create dedicated private message inbox model

models/inbox.ts

@@ -0,0 +1,46 @@
+import mongoose, {
+	Schema,
+	connect,
+	PopulatedDoc,
+	Document,
+	Model,
+} from "mongoose";
+import SequenceFactory from "mongoose-sequence";
+
+import { IPrivMsg } from "./privMsg";
+export interface IInbox {
+	_id: number;
+	saved: PopulatedDoc<IPrivMsg & Document>[];
+	received: PopulatedDoc<IPrivMsg & Document>[];
+	sent: PopulatedDoc<IPrivMsg & Document>[];
+}
+
+const InboxSchema = new Schema<IInbox>({
+	_id: {
+		type: Number,
+	},
+	saved: [
+		{
+			type: Number,
+			ref: "PrivMsg",
+		},
+	],
+	received: [
+		{
+			type: Number,
+			ref: "PrivMsg",
+		},
+	],
+	sent: [
+		{
+			type: Number,
+			ref: "PrivMsg",
+		},
+	],
+});
+
+export const Inbox: Model<IInbox> = mongoose.model<IInbox>(
+	"Inbox",
+	InboxSchema,
+	"inboxes",
+);