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