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Lesson 8 - API extension in Node.js - Schemas, validation, POST, DELETE

In the previous lesson, Reading Data From MongoDB, RESTful API with a database, we learned about important operations that the MongoDB database offers. We also created the basis for our Node.js movie API. Today we're going to expand the API significantly and add a person collection (for actors/directors).

Schemas

We'll start by adding a mongoose schema for persons (actors and directors, they will be in a single collection) and edit the existing movie schema. We'll also create an array of genres (Strings) that can later be assigned to movies. We could create an extra collection for the genres, but we'll store them in an array to keep things simple:

const movieSchema = new mongoose.Schema({
    name: String,
    year: Number,
    directorID: mongoose.Schema.Types.ObjectId,
    actorIDs: [mongoose.Schema.Types.ObjectId],
    genres: [String],
    isAvailable: Boolean,
    dateAdded: {
        type: Date,
        default: Date.now
    }
});

const personSchema = new mongoose.Schema({
    name: String,
    birthDate: Date,
    country: String,
    biography: String,
    role: String // "actor" or "director"
});

const genres = ["sci-fi", "adventure", "action", "romantic", "animated", "comedy"];
const Movie = mongoose.model("Movie", movieSchema);
const Person = mongoose.model("Person", personSchema);

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In this tutorial, we will expand the Node.js API with MongoDB with a new collection with people. We program responses to POST and DELETE requests.

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