move logentrytypes to own module

src/pretix/base/models/log.py

@@ -34,17 +34,16 @@
 
 import json
 import logging
-from collections import defaultdict
 
 from django.contrib.contenttypes.fields import GenericForeignKey
 from django.contrib.contenttypes.models import ContentType
 from django.db import models
 from django.urls import reverse
 from django.utils.functional import cached_property
-from django.utils.html import escape
-from django.utils.translation import gettext_lazy as _, pgettext_lazy
+from django.utils.translation import gettext_lazy as _
 
-from pretix.base.signals import logentry_object_link, EventPluginRegistry, is_app_active
+from pretix.base.logentrytypes import log_entry_types
+from pretix.base.signals import logentry_object_link, is_app_active
 
 
 class VisibleOnlyManager(models.Manager):
@@ -202,134 +201,3 @@ class LogEntry(models.Model):
         to_wh = [o.id for o in objects if o.webhook_type]
         if to_wh:
             notify_webhooks.apply_async(args=(to_wh,))
-
-
-class LogEntryTypeRegistry(EventPluginRegistry):
-    def new_from_dict(self, data):
-        def reg(clz):
-            for action_type, plain in data.items():
-                self.register(clz(action_type=action_type, plain=plain))
-        return reg
-
-
-log_entry_types = LogEntryTypeRegistry({'action_type': lambda o: getattr(o, 'action_type')})
-
-
-class LogEntryType:
-    def __init__(self, action_type=None, plain=None):
-        assert self.__module__ != LogEntryType.__module__  # must not instantiate base classes, only derived ones
-        if action_type: self.action_type = action_type
-        if plain: self.plain = plain
-
-    def display(self, logentry):
-        if hasattr(self, 'plain'):
-            plain = str(self.plain)
-            if '{' in plain:
-                data = defaultdict(lambda: '?', logentry.parsed_data)
-                return plain.format_map(data)
-            else:
-                return plain
-
-    def get_object_link_info(self, logentry) -> dict:
-        pass
-
-    def get_object_link(self, logentry):
-        a_map = self.get_object_link_info(logentry)
-        return make_link(a_map, self.object_link_wrapper)
-
-    object_link_wrapper = '{val}'
-
-    def shred_pii(self, logentry):
-        raise NotImplementedError
-
-
-class EventLogEntryType(LogEntryType):
-    def get_object_link_info(self, logentry) -> dict:
-        if hasattr(self, 'object_link_viewname') and hasattr(self, 'object_link_argname') and logentry.content_object:
-            return {
-                'href': reverse(self.object_link_viewname, kwargs={
-                    'event': logentry.event.slug,
-                    'organizer': logentry.event.organizer.slug,
-                    self.object_link_argname: self.object_link_argvalue(logentry.content_object),
-                }),
-                'val': escape(self.object_link_display_name(logentry.content_object)),
-            }
-
-    def object_link_argvalue(self, content_object):
-        return content_object.id
-
-    def object_link_display_name(self, content_object):
-        return str(content_object)
-
-
-class OrderLogEntryType(EventLogEntryType):
-    object_link_wrapper = _('Order {val}')
-    object_link_viewname = 'control:event.order'
-    object_link_argname = 'code'
-
-    def object_link_argvalue(self, order):
-        return order.code
-
-    def object_link_display_name(self, order):
-        return order.code
-
-
-class VoucherLogEntryType(EventLogEntryType):
-    object_link_wrapper = _('Voucher {val}…')
-    object_link_viewname = 'control:event.voucher'
-    object_link_argname = 'voucher'
-
-    def object_link_display_name(self, order):
-        return order.code[:6]
-
-
-class ItemLogEntryType(EventLogEntryType):
-    object_link_wrapper = _('Product {val}')
-    object_link_viewname = 'control:event.item'
-    object_link_argname = 'item'
-
-
-class SubEventLogEntryType(EventLogEntryType):
-    object_link_wrapper = pgettext_lazy('subevent', 'Date {val}')
-    object_link_viewname = 'control:event.subevent'
-    object_link_argname = 'subevent'
-
-
-class QuotaLogEntryType(EventLogEntryType):
-    object_link_wrapper = _('Quota {val}')
-    object_link_viewname = 'control:event.items.quotas.show'
-    object_link_argname = 'quota'
-
-
-class DiscountLogEntryType(EventLogEntryType):
-    object_link_wrapper = _('Discount {val}')
-    object_link_viewname = 'control:event.items.discounts.edit'
-    object_link_argname = 'discount'
-
-
-class ItemCategoryLogEntryType(EventLogEntryType):
-    object_link_wrapper = _('Category {val}')
-    object_link_viewname = 'control:event.items.categories.edit'
-    object_link_argname = 'category'
-
-
-class QuestionLogEntryType(EventLogEntryType):
-    object_link_wrapper = _('Question {val}')
-    object_link_viewname = 'control:event.items.questions.show'
-    object_link_argname = 'question'
-
-
-class TaxRuleLogEntryType(EventLogEntryType):
-    object_link_wrapper = _('Tax rule {val}')
-    object_link_viewname = 'control:event.settings.tax.edit'
-    object_link_argname = 'rule'
-
-
-class NoOpShredderMixin:
-    def shred_pii(self, logentry):
-        pass
-
-
-class ClearDataShredderMixin:
-    def shred_pii(self, logentry):
-        logentry.data = None