export class Entity {
    id: number
    createdAt: Date
}

export class Person extends Entity {
    name: string
    document: string
    user: User

    constructor(name: string, document: string, user: User) {
        this.name     = name
        this.document = document
        this.user     = user
    }
}

export class User extends Entity {
    login: string
    passwd: string
    role: string

    constructor(login: string, passwd: string, role: string) {
        this.login  = login
        this.passwd = passwd
        this.role.  = role
    }
}

export class Teacher extends Person {

}

export class Student extends Person {

}

export class Assignment extends Entity {
    title: string
    limitDate: Date
    description: string
    finishedAssignments: FinishedAssignments[]
}

export class FinishedAssignment extends Entity {
    assigment: Assignment
    finishDate: Date
    student: Student
    content: string
}

export class Subject extends Entity {
    code: string
    name: string
    teacher: Teacher
}

export class Material extends Entity {
    title: string
    content: string
}