/
instance.method.js
48 lines (38 loc) · 1.14 KB
/
instance.method.js
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import mongoose from 'mongoose';
// connect to MongoDB
mongoose.connect('mongodb://localhost/gettingstarted', { useNewUrlParser: true });
const UserSchema = mongoose.Schema({
email: String,
password: String,
fullname: String,
gender: {
type: String,
enum: ['male', 'female', 'other']
},
createdAt: {
type: Date,
default: Date.now
},
note: String
});
UserSchema.methods.findUserSimilarGender = (callback) => {
return this.model('User').find({gender: this.gender}, callback);
}
const UserModel = mongoose.model('User', UserSchema);
const insertUser = async (email, password, fullname, gender) => {
const newUser = new UserModel({
email, password, fullname, gender
});
return await newUser.save();
}
const instanceMethod = async () => {
try {
let user = await insertUser("email1", "123", "name 1", "male");
await insertUser("email2", "123", "name 2", "male");
await insertUser("email3", "123", "name 3", "female");
console.log(await user.findUserSimilarGender());
} catch(err) {
console.log(err);
}
}
instanceMethod();