SimpleNotes/persistance/src/main/kotlin/users/UserRepositoryImpl.kt

38 lines
1.5 KiB
Kotlin

package be.simplenotes.persistance.users
import be.simplenotes.domain.model.PersistedUser
import be.simplenotes.domain.model.User
import be.simplenotes.domain.usecases.repositories.UserRepository
import be.simplenotes.persistance.converters.UserConverter
import me.liuwj.ktorm.database.Database
import me.liuwj.ktorm.dsl.*
import me.liuwj.ktorm.entity.any
import me.liuwj.ktorm.entity.find
import java.sql.SQLIntegrityConstraintViolationException
internal class UserRepositoryImpl(private val db: Database, private val converter: UserConverter) : UserRepository {
override fun create(user: User): PersistedUser? {
return try {
val id = db.insertAndGenerateKey(Users) {
it.username to user.username
it.password to user.password
} as Int
PersistedUser(user.username, user.password, id)
} catch (e: SQLIntegrityConstraintViolationException) {
null
}
}
override fun find(username: String) = db.users.find { it.username eq username }
?.let { converter.toPersistedUser(it) }
override fun find(id: Int) = db.users.find { it.id eq id }?.let {
converter.toPersistedUser(it)
}
override fun exists(username: String) = db.users.any { it.username eq username }
override fun exists(id: Int) = db.users.any { it.id eq id }
override fun delete(id: Int) = db.delete(Users) { it.id eq id } == 1
override fun findAll() = db.from(Users).select(Users.id).map { it[Users.id]!! }
}