+ gitignore

+ add boilerplate
2026-07-18 15:03:13 +03:00
parent c2f561fe06
commit d562b07027
26 changed files with 891 additions and 0 deletions
@@ -0,0 +1,87 @@
+package com.nano.repository
+
+import com.nano.db.TaskTable
+import com.nano.model.Task
+import com.nano.model.TaskStatus
+import org.jetbrains.exposed.sql.*
+import org.jetbrains.exposed.sql.SqlExpressionBuilder.eq
+import org.jetbrains.exposed.sql.transactions.transaction
+import java.time.Instant
+import java.util.UUID
+
+class TaskRepository(
+    private val db: Database,
+) {
+    fun create(task: Task): Task =
+        transaction(db) {
+            val now = Instant.now().toEpochMilli()
+            TaskTable.insert {
+                it[id] = task.id
+                it[name] = task.name
+                it[payload] = task.payload
+                it[status] = task.status
+                it[createdAt] = now
+                it[updatedAt] = now
+            }
+            task.copy(createdAt = now, updatedAt = now)
+        }
+
+    fun findById(id: UUID): Task? =
+        transaction(db) {
+            TaskTable
+                .selectAll()
+                .where(TaskTable.id eq id)
+                .singleOrNull()
+                ?.toTask()
+        }
+
+    fun findAll(): List<Task> =
+        transaction(db) {
+            TaskTable
+                .selectAll()
+                .orderBy(TaskTable.createdAt, SortOrder.DESC)
+                .map { it.toTask() }
+        }
+
+    fun findByStatus(status: TaskStatus): List<Task> =
+        transaction(db) {
+            TaskTable
+                .selectAll()
+                .where(TaskTable.status eq status)
+                .orderBy(TaskTable.createdAt, SortOrder.DESC)
+                .map { it.toTask() }
+        }
+
+    fun updateStatus(
+        id: UUID,
+        newStatus: TaskStatus,
+    ): Task? =
+        transaction(db) {
+            val now = Instant.now().toEpochMilli()
+            val updated =
+                TaskTable.update({ TaskTable.id eq id }) {
+                    it[status] = newStatus
+                    it[updatedAt] = now
+                }
+            if (updated == 0) {
+                null
+            } else {
+                findById(id)
+            }
+        }
+
+    fun delete(id: UUID): Boolean =
+        transaction(db) {
+            TaskTable.deleteWhere { TaskTable.id eq id } > 0
+        }
+
+    private fun ResultRow.toTask() =
+        Task(
+            id = this[TaskTable.id],
+            name = this[TaskTable.name],
+            payload = this[TaskTable.payload],
+            status = this[TaskTable.status],
+            createdAt = this[TaskTable.createdAt],
+            updatedAt = this[TaskTable.updatedAt],
+        )
+}