hapi-demo/source/models/User.ts

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

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

    createdAt?: Date
    updatedAt?: Date
    deletedAt?: Date
}

export interface UserInput extends Optional<UserAttributes, "id"> {}
export interface UserOuput 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 createdAt!: Date
        public readonly updatedAt!: Date
        public readonly deletedAt!: 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,
            timestamps: true,
            paranoid: true, // 对模型施加了一个软删除
        },
    )
    // 覆盖User的toJSON方法
    interface User {
        toJSON: () => UserOuput
    }
    User.associate = function (models) {
        models["User"].hasOne(models["UserInfo"])
    }
    return User
}