Move datasync models into models package

src/pretix/base/models/datasync.py

@@ -0,0 +1,98 @@
+#
+# This file is part of pretix (Community Edition).
+#
+# Copyright (C) 2014-2020 Raphael Michel and contributors
+# Copyright (C) 2020-2021 rami.io GmbH and contributors
+#
+# This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General
+# Public License as published by the Free Software Foundation in version 3 of the License.
+#
+# ADDITIONAL TERMS APPLY: Pursuant to Section 7 of the GNU Affero General Public License, additional terms are
+# applicable granting you additional permissions and placing additional restrictions on your usage of this software.
+# Please refer to the pretix LICENSE file to obtain the full terms applicable to this work. If you did not receive
+# this file, see <https://pretix.eu/about/en/license>.
+#
+# This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied
+# warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Affero General Public License for more
+# details.
+#
+# You should have received a copy of the GNU Affero General Public License along with this program.  If not, see
+# <https://www.gnu.org/licenses/>.
+#
+
+import logging
+from functools import cached_property
+
+from django.db import models
+
+from pretix.base.models import Order, OrderPosition
+
+logger = logging.getLogger(__name__)
+
+
+MODE_OVERWRITE = "overwrite"
+MODE_SET_IF_NEW = "if_new"
+MODE_SET_IF_EMPTY = "if_empty"
+MODE_APPEND_LIST = "append"
+
+
+class OrderSyncQueue(models.Model):
+    order = models.ForeignKey(
+        Order, on_delete=models.CASCADE, related_name="queued_sync_jobs"
+    )
+    sync_provider = models.CharField(blank=False, null=False, max_length=128)
+    triggered_by = models.CharField(blank=False, null=False, max_length=128)
+    triggered = models.DateTimeField(blank=False, null=False, auto_now_add=True)
+    failed_attempts = models.PositiveIntegerField(default=0)
+    not_before = models.DateTimeField(blank=True, null=True)
+
+    class Meta:
+        unique_together = (("order", "sync_provider"),)
+        ordering = ("triggered",)
+
+    @cached_property
+    def _provider_class_info(self):
+        from pretix.base.datasync.datasync import sync_targets
+        return sync_targets.get(identifier=self.sync_provider)
+
+    @property
+    def provider_class(self):
+        return self._provider_class_info[0]
+
+    @property
+    def is_provider_active(self):
+        return self._provider_class_info[1]
+
+    @property
+    def max_retry_attempts(self):
+        return self.provider_class.max_attempts
+
+
+class OrderSyncLink(models.Model):
+    order = models.ForeignKey(
+        Order, on_delete=models.CASCADE, related_name="synced_objects"
+    )
+    sync_provider = models.CharField(blank=False, null=False, max_length=128)
+    order_position = models.ForeignKey(
+        OrderPosition, on_delete=models.CASCADE, related_name="synced_objects", blank=True, null=True,
+    )
+    external_object_type = models.CharField(blank=False, null=False, max_length=128)
+    external_id_field = models.CharField(blank=False, null=False, max_length=128)
+    id_value = models.CharField(blank=False, null=False, max_length=128)
+    external_link_href = models.CharField(blank=True, null=True, max_length=255)
+    external_link_display_name = models.CharField(blank=True, null=True, max_length=255)
+    timestamp = models.DateTimeField(blank=False, null=False, auto_now_add=True)
+
+    class Meta:
+        indexes = [
+            models.Index(fields=("order", "sync_provider")),
+        ]
+
+    def external_link_html(self):
+        if not self.external_link_display_name:
+            return None
+
+        from pretix.base.datasync.datasync import sync_targets
+        prov, meta = sync_targets.get(identifier=self.sync_provider)
+        if prov:
+            return prov.get_external_link_html(self.order.event, self.external_link_href, self.external_link_display_name)