user.model.js/ mongodb/ nodejs/ user model example

user.model.js

const mongoose= require('mongoose');
const crypto = require('crypto');
const userSchemaObject={
    user_permanent_id:{
        type: String,
        required: true
    },
    username:{
        type:String,
        required: true,
        unique: true,
        trim: true,
        index: true,
        lowercase:true,
        max:32,
    },
    name:{
        type: String,
        required: true,
        trim: true,
        max: 32
    },
    email:{
        type:String,
        require: true,
        trim: true,
        unique: true,
        lowercase: true
    },
    hashed_password:{
        type: String,
        required: true
    },
    salt:String,
    profile:{
        type: String,
        required: true
    },
    
    about:{
        type: String
    },
    role:{
        type: Number,
        default: 0
    },
    photo:{
        data: Buffer,
        contentType: String
    },
    resetPasswordLink:{
        data: String,
        default: ""
    },
    phone_no:{
        type:String
    },
    date_created:{
        type: String,
        require: true
    },
    last_time_username_changed:{
        type: String,
        required: true
    },
    last_time_email_changed:{
        type: String,
        required: true
    },
    last_time_password_changed:{
        type: String,
        required: true
    },
    last_time_phone_no_changed:{
        type: String,
        required: true
    }

}
const userSchema= new mongoose.Schema(userSchemaObject,{timestamp: true});
userSchema.virtual('password')
    .set(function(password){
        // create temp variable called _password
        this._password = password;
        // generate salt
        this.salt= this.makeSalt()
        // encrypt password
        this.hashed_password= this.hashPassword(password)
    })
    .get(function(){
        return this._password;
    })
userSchema.methods={
    authentication:function(plainTextPassword){
    return  this.hashPassword(plainTextPassword)=== this.hashed_password;
    },
    hashPassword: function(password){
        if(!password) return '';
        try{
            return crypto
                .createHmac('sha1', this.salt)
                .update(password)
                .digest('hex')
        }
        catch(err){return ''}
    },
    makeSalt: function(){
        return Math.round(new Date().valueOf() * Math.random() + '')
    }
}








module.exports = mongoose.model('User', userSchema);