Update atst to atat

atat/routes/task_orders/downloads.py

@@ -0,0 +1,27 @@
+from flask import Response, current_app as app
+
+from .blueprint import task_orders_bp
+from atat.domain.task_orders import TaskOrders
+from atat.domain.exceptions import NotFoundError
+from atat.domain.authz.decorator import user_can_access_decorator as user_can
+from atat.models.permissions import Permissions
+
+
+def send_file(attachment):
+    generator = app.csp.files.download(attachment.object_name)
+    return Response(
+        generator,
+        headers={
+            "Content-Disposition": "attachment; filename={}".format(attachment.filename)
+        },
+    )
+
+
+@task_orders_bp.route("/task_orders/<task_order_id>/pdf")
+@user_can(Permissions.VIEW_TASK_ORDER_DETAILS, message="download task order PDF")
+def download_task_order_pdf(task_order_id):
+    task_order = TaskOrders.get(task_order_id)
+    if task_order.pdf:
+        return send_file(task_order.pdf)
+    else:
+        raise NotFoundError("task_order pdf")