Update: Models

app-backend/models/database/ads.model.js

@@ -0,0 +1,23 @@
+module.exports = mongoose => {
+  let schema = mongoose.Schema({
+      userId: String,
+      title: String,
+      images: Array,
+      url: String,
+      interests: Array,
+      comment: String,
+      views: Array,
+      isVisible: Boolean,
+      isActive: Boolean
+    },
+    { timestamps: true }
+  );
+
+  schema.method("toJSON", function() {
+    const { __v, _id, ...object } = this.toObject();
+    object.id = _id;
+    return object;
+  });
+
+  return mongoose.model("ads", schema);
+};