Organizer-level plugins (#5305)

* Add version notes to the docs

* Adapt signal handling

* Add UI

* Add API

* API and tests

* Fix registry

* Update doc/development/api/plugins.rst

Co-authored-by: Felix Rindt <felix@rindt.me>

* Fix failing tests

* Apply suggestions from code review

Co-authored-by: Richard Schreiber <schreiber@rami.io>

* Update src/pretix/control/templates/pretixcontrol/organizers/plugin_events.html

Co-authored-by: luelista <weller@rami.io>

* Update src/pretix/control/templates/pretixcontrol/organizers/plugins.html

Co-authored-by: luelista <weller@rami.io>

* Update src/pretix/control/templates/pretixcontrol/organizers/plugins.html

Co-authored-by: luelista <weller@rami.io>

* Update src/pretix/control/navigation.py

Co-authored-by: luelista <weller@rami.io>

* Update src/pretix/control/urls.py

Co-authored-by: luelista <weller@rami.io>

* Apply suggestion from @wiffbi

* REbase migration

* Fix review note

* Fix test cases

* Remove plugin from all events if disabled on org level

* Update doc/development/api/plugins.rst

* Unify registries

* Rebase migration

---------

Co-authored-by: Felix Rindt <felix@rindt.me>
Co-authored-by: Richard Schreiber <schreiber@rami.io>
Co-authored-by: luelista <weller@rami.io>

src/tests/base/test_datasync.py

@@ -182,6 +182,11 @@ def _register_with_fake_plugin_name(registry, obj, plugin_name):
 
     class App:
         name = plugin_name
+
+        class PretixPluginMeta:
+            pass
+
+    obj.__mocked_app = App
     registry.register(obj)
     registry.registered_entries[obj]['plugin'] = App
 

src/tests/base/test_registry.py

@@ -22,10 +22,12 @@
 from unittest import mock
 
 import pytest
+from django.apps import apps
 
 from pretix.base.logentrytypes import (
     ItemLogEntryType, LogEntryType, LogEntryTypeRegistry,
 )
+from pretix.base.models import Event
 from pretix.base.signals import Registry
 
 
@@ -140,29 +142,38 @@ def test_logentrytype_registry():
     reg = LogEntryTypeRegistry()
 
     with mock.patch('pretix.base.signals.get_defining_app') as mock_get_defining_app:
-        mock_get_defining_app.return_value = 'my_plugin'
+        mock_get_defining_app.return_value = apps.get_app_config("testdummy")
 
         @reg.new("foo.mytype")
         class MyType(LogEntryType):
             pass
 
-    @reg.new("foo.myothertype")
-    class MyOtherType(LogEntryType):
-        pass
+    with mock.patch('pretix.base.signals.get_defining_app') as mock_get_defining_app:
+        mock_get_defining_app.return_value = "CORE"
+
+        @reg.new("foo.myothertype")
+        class MyOtherType(LogEntryType):
+            pass
 
     typ, meta = reg.get(action_type="foo.mytype")
     assert isinstance(typ, MyType)
     assert meta['action_type'] == "foo.mytype"
-    assert meta['plugin'] == 'my_plugin'
+    assert meta['plugin'] == apps.get_app_config("testdummy")
 
     typ, meta = reg.get(action_type="foo.myothertype")
     assert isinstance(typ, MyOtherType)
     assert meta['action_type'] == "foo.myothertype"
-    assert meta['plugin'] is None
+    assert meta['plugin'] == "CORE"
 
-    by_my_plugin = reg.filter(plugin='my_plugin')
+    by_my_plugin = reg.filter(plugin=apps.get_app_config("testdummy"))
     assert set(type(typ) for typ, meta in by_my_plugin) == {MyType}
 
+    by_active_plugin = reg.filter(active_in=Event(plugins=""))
+    assert set(type(typ) for typ, meta in by_active_plugin) == {MyOtherType}
+
+    by_active_plugin = reg.filter(active_in=Event(plugins="tests.testdummy"))
+    assert set(type(typ) for typ, meta in by_active_plugin) == {MyType, MyOtherType}
+
 
 def test_logentrytype_registry_validation():
     reg = LogEntryTypeRegistry()