46 lines
1.4 KiB
Kotlin
46 lines
1.4 KiB
Kotlin
package com.kmalbz.database
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import com.typesafe.config.ConfigFactory
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import com.zaxxer.hikari.*
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import io.ktor.config.HoconApplicationConfig
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import io.ktor.util.KtorExperimentalAPI
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import kotlinx.coroutines.Dispatchers
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import kotlinx.coroutines.withContext
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import org.jetbrains.exposed.sql.*
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import org.jetbrains.exposed.sql.transactions.transaction
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object DatabaseFactory {
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@KtorExperimentalAPI
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private val appConfig = HoconApplicationConfig(ConfigFactory.load())
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@KtorExperimentalAPI
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private val dbUrl = appConfig.property("ktor.db.jdbc").getString()
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@KtorExperimentalAPI
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private val dbUser = appConfig.property("ktor.db.user").getString()
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@KtorExperimentalAPI
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private val dbPassword = appConfig.property("ktor.db.password").getString()
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@KtorExperimentalAPI
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fun init() {
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Database.connect(hikari())
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}
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@KtorExperimentalAPI
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private fun hikari(): HikariDataSource {
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val config = HikariConfig()
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config.driverClassName = "org.postgresql.Driver"
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config.jdbcUrl = dbUrl
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config.username = dbUser
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config.password = dbPassword
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config.maximumPoolSize = 3
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config.isAutoCommit = false
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config.transactionIsolation = "TRANSACTION_REPEATABLE_READ"
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config.validate()
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return HikariDataSource(config)
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}
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suspend fun <T> dbQuery(block: () -> T): T =
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withContext(Dispatchers.IO) {
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transaction { block() }
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}
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} |