增加取消订单重新可以发布

apps/backend/src/repositories/worker-platform/types.ts

@@ -319,6 +319,7 @@ export type WorkOrderCapabilities = {
   canAccept: boolean
   canMarkProblem: boolean
   canDelete: boolean
+  canReopen: boolean
   canPublish: boolean
   canCancel: boolean
   canResolveProblem: boolean

apps/backend/src/repositories/worker-platform/work-order-repo.ts

@@ -1981,6 +1981,84 @@ export async function cancelAssignedWorkOrder(input: {
   })
 }
 
+/** 将已取消工单恢复为未分配状态，不变更历史押金流水。 */
+export async function reopenCancelledWorkOrder(input: {
+  workOrderId: number
+  now: string
+  actorName?: string
+}): Promise<{
+  order: WorkOrderRow | null
+  failureReason: 'work_order_not_cancelled' | 'work_order_has_active_shares' | null
+}> {
+  return withTransaction(async (client) => {
+    const currentResult = await client.query<WorkOrderRow>(
+      `
+        SELECT *
+        FROM work_orders
+        WHERE id = $1
+        FOR UPDATE
+      `,
+      [input.workOrderId],
+    )
+    const workOrder = currentResult.rows[0] || null
+    if (!workOrder || workOrder.status !== 'cancelled') {
+      return { order: null, failureReason: 'work_order_not_cancelled' }
+    }
+
+    const activeShareResult = await client.query<{ total: number }>(
+      `
+        SELECT COUNT(*)::int AS total
+        FROM work_order_shares
+        WHERE work_order_id = $1
+          AND status != 'cancelled'
+      `,
+      [input.workOrderId],
+    )
+    if (Number(activeShareResult.rows[0]?.total || 0) > 0) {
+      return { order: null, failureReason: 'work_order_has_active_shares' }
+    }
+
+    await client.query(
+      `
+        UPDATE work_orders
+        SET
+          status = 'unassigned',
+          assigned_worker_id = NULL,
+          assigned_at = NULL,
+          deadline_at = NULL,
+          acceptance_json = '{}'::jsonb,
+          draft_acceptance_json = '{}'::jsonb,
+          submitted_at = NULL,
+          accepted_at = NULL,
+          problem_note = '',
+          published_at = NULL,
+          pinned_at = NULL,
+          updated_at = $1
+        WHERE id = $2
+      `,
+      [input.now, input.workOrderId],
+    )
+
+    await createWorkOrderEventWithClient(client, {
+      workOrderId: input.workOrderId,
+      actorType: 'admin',
+      actorId: input.actorName || '',
+      eventType: 'reopened_from_cancelled',
+      fromStatus: 'cancelled',
+      toStatus: 'unassigned',
+      payloadJson: JSON.stringify({
+        previousAssignedWorkerId: Number(workOrder.last_assigned_worker_id || 0) || null,
+      }),
+      now: input.now,
+    })
+
+    return {
+      order: await getWorkOrderByIdWithClient(client, input.workOrderId),
+      failureReason: null,
+    }
+  })
+}
+
 export async function countWorkerCancellationsSince(
   workerId: number | string,
   sinceIso: string,