88 lines
2.4 KiB
Kotlin
88 lines
2.4 KiB
Kotlin
package com.nano.repository
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import com.nano.db.TaskTable
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import com.nano.model.Task
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import com.nano.model.TaskStatus
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import org.jetbrains.exposed.sql.*
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import org.jetbrains.exposed.sql.SqlExpressionBuilder.eq
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import org.jetbrains.exposed.sql.transactions.transaction
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import java.time.Instant
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import java.util.UUID
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class TaskRepository(
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private val db: Database,
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) {
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fun create(task: Task): Task =
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transaction(db) {
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val now = Instant.now().toEpochMilli()
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TaskTable.insert {
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it[id] = task.id
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it[name] = task.name
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it[payload] = task.payload
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it[status] = task.status
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it[createdAt] = now
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it[updatedAt] = now
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}
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task.copy(createdAt = now, updatedAt = now)
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}
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fun findById(id: UUID): Task? =
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transaction(db) {
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TaskTable
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.selectAll()
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.where(TaskTable.id eq id)
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.singleOrNull()
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?.toTask()
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}
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fun findAll(): List<Task> =
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transaction(db) {
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TaskTable
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.selectAll()
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.orderBy(TaskTable.createdAt, SortOrder.DESC)
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.map { it.toTask() }
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}
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fun findByStatus(status: TaskStatus): List<Task> =
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transaction(db) {
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TaskTable
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.selectAll()
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.where(TaskTable.status eq status)
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.orderBy(TaskTable.createdAt, SortOrder.DESC)
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.map { it.toTask() }
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}
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fun updateStatus(
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id: UUID,
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newStatus: TaskStatus,
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): Task? =
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transaction(db) {
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val now = Instant.now().toEpochMilli()
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val updated =
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TaskTable.update({ TaskTable.id eq id }) {
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it[status] = newStatus
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it[updatedAt] = now
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}
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if (updated == 0) {
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null
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} else {
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findById(id)
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}
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}
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fun delete(id: UUID): Boolean =
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transaction(db) {
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TaskTable.deleteWhere { TaskTable.id eq id } > 0
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}
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private fun ResultRow.toTask() =
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Task(
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id = this[TaskTable.id],
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name = this[TaskTable.name],
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payload = this[TaskTable.payload],
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status = this[TaskTable.status],
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createdAt = this[TaskTable.createdAt],
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updatedAt = this[TaskTable.updatedAt],
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)
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}
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