hapi-demo/source/models/user.ts

import { Sequelize, DataTypes, Optional, Model } from "sequelize"

interface UserAttributes {
    id: number
    username: string
    password: string

    created_at?: Date
    updated_at?: Date
    deleted_at?: Date
}

export interface UserInput extends Optional<UserAttributes, "id"> { }
export interface UserOutput extends Required<UserAttributes> { }
export type TUserModel = ReturnType<typeof UserModel>

type DT = typeof DataTypes
export default function UserModel(sequelize: Sequelize, DataTypes: DT) {
    class User extends Model<UserAttributes, UserInput> implements UserAttributes {
        public id!: number
        public username!: string
        public password!: string

        // timestamps!
        public readonly created_at!: Date
        public readonly updated_at!: Date
        public readonly deleted_at!: Date
    }
    User.init(
        {
            id: {
                type: DataTypes.INTEGER,
                autoIncrement: true,
                primaryKey: true,
            },
            username: {
                type: DataTypes.STRING,
                allowNull: false,
            },
            password: {
                type: DataTypes.STRING,
                allowNull: false,
            },
        },
        {
            modelName: "user",
            sequelize,
            underscored: true,
            deletedAt: true,
            timestamps: true,
            paranoid: true, // 对模型施加了一个软删除
        },
    )
    // 覆盖User的toJSON方法
    User.prototype.toJSON = function () {
        const values = Object.assign({}, this.get()) as UserAttributes
        delete values.password
        delete values.deleted_at
        return values
    }
    User.associate = function (models) {
        User.hasOne(models["user_info"])
    }
    return User
}