db_structure

backend/models/movie.js

+const mongoose = require("mongoose");
+
+const MovieSchema = new mongoose.Schema(
+  {
+    adult: { type: Boolean },
+    backdrop_path: { type: String },
+    genre_ids: [Number],
+    id: { type: Number, required: true, unique: true },
+    original_language: { type: String },
+    original_title: { type: String },
+    overview: { type: String },
+    popularity: { type: String },
+    poster_path: { type: String },
+    release_date: { type: String },
+    title: { type: String },
+    video: { type: Boolean },
+    vote_average: { type: String },
+    vote_count: { type: Number },
+  },
+  {
+    toJSON: { virtuals: true }, // So `res.json()` and other `JSON.stringify()` functions include virtuals
+    toObject: { virtuals: true }, // So `console.log()` and other functions that use `toObject()` include virtuals
+  }
+);
+
+MovieSchema.virtual("liking_users", {
+  ref: "UserModel",
+  localField: "_id", // The user _id should match the viewers field in movies
+  foreignField: "liked_movies",
+});
+
+MovieSchema.virtual("later_watchers", {
+  ref: "UserModel",
+  localField: "_id", // The user _id should match the viewers field in movies
+  foreignField: "to_see_later",
+});
+
+MovieSchema.virtual("masking_users", {
+  ref: "UserModel",
+  localField: "_id", // The user _id should match the viewers field in movies
+  foreignField: "masked_movies",
+});
+
+const MovieModel = mongoose.model(
+  "MovieModel",
+  MovieSchema,
+  "movies_populated"
+);
+
+module.exports = MovieModel;

backend/models/user.js

 const mongoose = require("mongoose");
+const { Schema } = mongoose;
 
-const UserSchema = new mongoose.Schema({
+const UserSchema = new mongoose.Schema(
+  {
     email: { type: String, required: true, unique: true },
     firstName: { type: String },
     lastName: { type: String },
-});
+    is_admin: { type: Boolean },
+    liked_movies: [{ type: Schema.Types.ObjectId, ref: "MovieModel" }],
+    to_see_later: [{ type: Schema.Types.ObjectId, ref: "MovieModel" }],
+    masked_movies: [{ type: Schema.Types.ObjectId, ref: "MovieModel" }],
+  },
+  {
+    toJSON: { virtuals: true }, // So `res.json()` and other `JSON.stringify()` functions include virtuals
+    toObject: { virtuals: true }, // So `console.log()` and other functions that use `toObject()` include virtuals
+  }
+);
 
 const UserModel = mongoose.model("UserModel", UserSchema, "users");