Data model draft

src/pretix/helpers/permission_migration.py

@@ -0,0 +1,89 @@
+#
+# This file is part of pretix (Community Edition).
+#
+# Copyright (C) 2014-2020  Raphael Michel and contributors
+# Copyright (C) 2020-today pretix 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 warnings
+
+OLD_TO_NEW_EVENT_MIGRATION = {
+    "can_change_event_settings": [
+        "event.settings.general:write",
+        "event.settings.payment:write",
+        "event.settings.plugins:write",
+        "event.settings.email.sender:write",
+        "event.settings.tax:write"
+        "event.settings.invoicing:write",
+        "event.subevents:write",
+    ],
+    "can_change_items": ["event.items:write"],
+    "can_view_orders": ["event.orders:read"],
+    "can_change_orders": ["event.orders:write", "event:cancel"],
+    "can_checkin_orders": ["event.orders:checkin"],
+    "can_view_vouchers": ["event.vouchers:read"],
+    "can_change_vouchers": ["event.vouchers:write"],
+}
+OLD_TO_NEW_ORGANIZER_MIGRATION = {
+    "can_create_events": ["organizer.events:create"],
+    "can_change_organizer_settings": ["organizer.settings.general:write", "organizer.devices:read",
+                                      "organizer.devices:write"],
+    "can_change_teams": ["organizer.teams:write"],
+    "can_manage_gift_cards": ["organizer.giftcards:read", "organizer.giftcards:write"],
+    "can_manage_customers": ["organizer.customers:read", "organizer.customers:write"],
+    "can_manage_reusable_media": ["organizer.reusablemedia:read", "organizer.reusablemedia:write"],
+}
+OLD_TO_NEW_EVENT_COMPAT = {
+    "can_change_event_settings": ["event.settings.general:write",],
+    "can_change_items": ["event.items:write"],
+    "can_view_orders": ["event.orders:read"],
+    "can_change_orders": ["event.orders:write"],
+    "can_checkin_orders": ["event.orders:checkin"],
+    "can_view_vouchers": ["event.vouchers:read"],
+    "can_change_vouchers": ["event.vouchers:write"],
+}
+OLD_TO_NEW_ORGANIZER_COMPAT = {
+    "can_create_events": ["organizer.events:create"],
+    "can_change_organizer_settings": ["organizer.settings.general:write"],
+    "can_change_teams": ["organizer.teams:write"],
+    "can_manage_gift_cards": ["organizer.giftcards:read", "organizer.giftcards:write"],
+    "can_manage_customers": ["organizer.customers:read", "organizer.customers:write"],
+    "can_manage_reusable_media": ["organizer.reusablemedia:read", "organizer.reusablemedia:write"],
+}
+
+
+class LegacyPermissionProperty:
+    name = None
+
+    def __set_name__(self, owner, name):
+        self.name = name
+
+    def __get__(self, instance, owner=None):
+        if instance is None:
+            return self
+
+        warnings.warn("Legacy permission attribute used", DeprecationWarning, stacklevel=2)
+
+        if self.name in OLD_TO_NEW_EVENT_COMPAT:
+            return instance.all_event_permissions or all(
+                kk in instance.limit_event_permissions for kk in OLD_TO_NEW_EVENT_COMPAT[self.name]
+            )
+        if self.name in OLD_TO_NEW_ORGANIZER_COMPAT:
+            return instance.all_organizer_permissions or all(
+                kk in instance.limit_organizer_permissions for kk in OLD_TO_NEW_ORGANIZER_COMPAT[self.name]
+            )
+        raise AttributeError("Unknown legacy attribute")