My Table Definition for Exposed

Pattern.txt

object <table-plural> : ... {
    val <column> = ...
    val <column> = reference(..., <another-table>)
    ...
}

=>

class User(id: EntityID<Int>) : IntEntity(id) {
    companion object : IntEntityClass<User>(Users)

    var name by Users.name
    var city by City referencedOn Users.city
    var age by Users.age
}

class <table-single> : IntEntity(id) {
    companion object : IntEntityClass<table-singal)(<table-plural>)
    var <column> by <table-plural>.<column>
    var <foreign-key> by <another-table-single> referencedOn <table-plural>.<foreign-key>
    val <back-link> by <another-table-single> referredOn <table-plural>.<foreign-key>
}

Tables.kt

object Categories : IntIdTable() {
    val name = varchar("name", 50)
    val parent = reference("parent", Categories)
}

object Subjects : IntIdTable() {
    val name = varchar("name", 256)
    val description = text("description")
    val coverURL = varchar("coverURL", 256)
    val category = reference("category", Categories)
}

object Posts : IntIdTable() {
    val title = varchar("title", 256)
    val content = text("content")
    val subject = reference("subject", Subjects)
}

object Journals : IntIdTable() {
    val date = date("date")
    val content = text("content")
    val subject = reference("subject", Subjects)
}

object Tasks : IntIdTable() {
    val createDate = date("createDate")
    val title = varchar("title", 256)
    val content = text("content")
    val subject = reference("subject", Subjects)
}

object TaskItems : IntIdTable() {
    val finishDate = date("finishDate")
    val content = text("content")
    val task = reference("task", Tasks)
}