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Cómo hacer referencia a múltiples modelos mongoose mongodb

Tengo 3 modelos MonthlyMenu. Frozen Food y DailyDeal.

Estoy creando un modelo de pedido donde dentro del campo del artículo quiero tener la identificación del artículo que será de uno de los modelos anteriores.

¿Cómo puedo referirme a múltiples modelos en un esquema de mangosta?

 item: { type: mongoose.Schema.Types.ObjectId, required: true, ref: 'DailyDeal', },
over 4 years ago · Santiago Trujillo
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Puedes usar mongoose virtuals para eso. Primero, habilite los virtuales para su esquema de order haciendo esto:

 const order_schema = new mongoose.Schema({ ... item: { type: mongoose.Schema.Types.ObjectId, required: true }, ... }, { toJSON: { virtuals: true } });

Luego defina 3 esquemas virtuales así:

 order_schema.virtual('frommonthlymenu', { ref: 'monthly_menu', // Your MonthlyMenu model name localField: 'item', // Your local field, like a `FOREIGN KEY` in RDS foreignField: '_id', // Your foreign field which `localField` links to. Like `REFERENCES` in RDS // If `justOne` is true, 'members' will be a single doc as opposed to // an array. `justOne` is false by default. justOne: true }); order_schema.virtual('fromfrozenfood', { ref: 'frozen_food', localField: 'item', foreignField: '_id', justOne: true }); //Third one here...

Luego, puede completar desde el menú frommonthlymenu o fromfrozenfood rutas de alimentos congelados cada vez que consulte su colección de order .

 Lead.find(search_filter) .populate('frommonthlymenu') .populate('fromfrozenfood') .then(result => { //Whichever path is populated, that's how you know the collection "item" came from. })
over 4 years ago · Santiago Trujillo Report
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