Use a materialized Extension.latest_version field instead of a dynamic property #152

Merged
Oleg-Komarov merged 15 commits from latest-version-field into main 2024-05-27 17:58:56 +02:00
7 changed files with 92 additions and 76 deletions
Showing only changes of commit 286ed3cc03 - Show all commits

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@ -0,0 +1,19 @@
# Generated by Django 4.2.11 on 2024-05-24 17:06
from django.db import migrations, models
import django.db.models.deletion
class Migration(migrations.Migration):
dependencies = [
('extensions', '0030_platform_version_platforms'),
]
operations = [
migrations.AddField(
model_name='extension',
name='latest_version',
field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='latest_version_for', to='extensions.version'),
),
]

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@ -19,6 +19,8 @@ from constants.base import (
EXTENSION_TYPE_SLUGS_SINGULAR,
FILE_STATUS_CHOICES,
)
from files.models import File
from reviewers.models import ApprovalActivity
import common.help_texts
import extensions.fields
@ -168,6 +170,13 @@ class Extension(CreatedModifiedMixin, RatingMixin, TrackChangesMixin, models.Mod
help_text='Whether the extension should be listed. It is kept in sync via signals.',
default=False,
)
latest_version = models.ForeignKey(
'Version',
null=True,
blank=True,
on_delete=models.SET_NULL,
related_name='latest_version_for',
)
featured_image = models.OneToOneField(
'files.File',
@ -337,17 +346,6 @@ class Extension(CreatedModifiedMixin, RatingMixin, TrackChangesMixin, models.Mod
return [FILE_STATUS_CHOICES.APPROVED]
return [FILE_STATUS_CHOICES.AWAITING_REVIEW, FILE_STATUS_CHOICES.APPROVED]
@property
def latest_version(self):
"""Retrieve the latest version."""
versions = [
v for v in self.versions.all() if v.file and v.file.status in self.valid_file_statuses
]
if not versions:
return None
versions = sorted(versions, key=lambda v: v.date_created, reverse=True)
return versions[0]
def can_request_review(self):
"""Return whether an add-on can request a review or not."""
if self.is_disabled or self.status in (
@ -662,6 +660,57 @@ class Version(CreatedModifiedMixin, RatingMixin, TrackChangesMixin, models.Model
},
)
@transaction.atomic
def save(self, *args, **kwargs):
is_new = self.pk is None
update_fields = kwargs.get('update_fields', None)
was_changed, old_state = self.pre_save_record(update_fields=update_fields)
self.record_status_change(was_changed, old_state, **kwargs)
super().save(*args, **kwargs)
if not is_new:
return
# auto approving our file if extension is already listed (i.e. have been approved)
if self.extension.is_listed:
args = {'f_id': self.file.pk, 'pk': self.pk, 's': self.file.source.name}
log.info('Auto-approving file pk=%(f_id)s of Version pk=%(pk)s source=%(s)s', args)
self.file.status = File.STATUSES.APPROVED
self.file.save(update_fields={'status', 'date_modified'})
ApprovalActivity(
type=ApprovalActivity.ActivityType.UPLOADED_NEW_VERSION,
user=self.file.user,
extension=self.extension,
message=f'uploaded new version: {self.version}',
).save()
# we assume that self is the latest created version
# if two versions are saved at the same time, we have a data race
if self.file.status in self.extension.valid_file_statuses:
self.extension.latest_version = self
self.extension.save(update_fields={'latest_version'})
self.extension.update_metadata_from_version(self)
@transaction.atomic
def delete(self, *args, **kwargs):
if self == self.extension.latest_version:
versions = self.extension.versions.all().order_by('-date_created')
latest_version = None
for version in versions:
if version == self:
continue
if version.file.status not in self.extension.valid_file_statuses:
continue
latest_version = version
break
self.extension.latest_version = latest_version
self.extension.save(update_fields={'latest_version'})
self.extension.update_metadata_from_version(latest_version)
super().delete(*args, **kwargs)
class Maintainer(CreatedModifiedMixin, models.Model):
extension = models.ForeignKey(Extension, on_delete=models.CASCADE)

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@ -4,11 +4,10 @@ import logging
from actstream.actions import follow, unfollow
from django.contrib.auth import get_user_model
from django.contrib.auth.models import Group
from django.db.models.signals import m2m_changed, pre_save, post_save, pre_delete, post_delete
from django.db.models.signals import m2m_changed, pre_save, post_save, pre_delete
from django.dispatch import receiver
from constants.activity import Flag
from reviewers.models import ApprovalActivity
import extensions.models
import files.models
@ -46,28 +45,18 @@ def _log_deletion(
@receiver(pre_save, sender=extensions.models.Extension)
@receiver(pre_save, sender=extensions.models.Version)
def _record_changes(
sender: object,
instance: Union[extensions.models.Extension, extensions.models.Version],
instance: extensions.models.Extension,
update_fields: object,
**kwargs: object,
) -> None:
was_changed, old_state = instance.pre_save_record(update_fields=update_fields)
if hasattr(instance, 'name'):
instance.sanitize('name', was_changed, old_state, **kwargs)
if hasattr(instance, 'description'):
instance.sanitize('description', was_changed, old_state, **kwargs)
instance.record_status_change(was_changed, old_state, **kwargs)
@receiver(post_save, sender=extensions.models.Extension)
def _update_search_index(sender, instance, **kw):
pass # TODO: update search index
def extension_should_be_listed(extension):
return (
extension.latest_version is not None
@ -77,11 +66,10 @@ def extension_should_be_listed(extension):
@receiver(post_save, sender=extensions.models.Extension)
@receiver(post_save, sender=extensions.models.Version)
@receiver(post_save, sender=files.models.File)
def _set_is_listed(
sender: object,
instance: Union[extensions.models.Extension, extensions.models.Version, files.models.File],
instance: Union[extensions.models.Extension, files.models.File],
raw: bool,
*args: object,
**kwargs: object,
@ -97,6 +85,8 @@ def _set_is_listed(
if not extension:
return
# TODO if file was approved, we need to recompute latest_version
old_is_listed = extension.is_listed
new_is_listed = extension_should_be_listed(extension)
@ -148,10 +138,9 @@ def _update_authors_follow(instance, action, model, reverse, pk_set, **kwargs):
@receiver(post_save, sender=extensions.models.Preview)
@receiver(post_save, sender=extensions.models.Version)
def _auto_approve_subsequent_uploads(
sender: object,
instance: Union[extensions.models.Preview, extensions.models.Version],
instance: extensions.models.Preview,
created: bool,
raw: bool,
**kwargs: object,
@ -163,7 +152,7 @@ def _auto_approve_subsequent_uploads(
if not instance.file_id:
return
# N.B.: currently, subsequent version and preview uploads get approved automatically,
# N.B.: currently, subsequent preview uploads get approved automatically,
# if extension is currently listed (meaning, it was approved by a human already).
extension = instance.extension
file = instance.file
@ -172,45 +161,3 @@ def _auto_approve_subsequent_uploads(
args = {'f_id': file.pk, 'pk': instance.pk, 'sender': sender, 's': file.source.name}
logger.info('Auto-approving file pk=%(f_id)s of %(sender)s pk=%(pk)s source=%(s)s', args)
file.save(update_fields={'status', 'date_modified'})
@receiver(post_save, sender=extensions.models.Version)
def _create_approval_activity_for_new_version_if_listed(
sender: object,
instance: extensions.models.Version,
created: bool,
raw: bool,
**kwargs: object,
):
if raw:
return
if not created:
return
extension = instance.extension
if not extension.is_listed or not instance.file:
return
ApprovalActivity(
type=ApprovalActivity.ActivityType.UPLOADED_NEW_VERSION,
user=instance.file.user,
extension=instance.extension,
message=f'uploaded new version: {instance.version}',
).save()
@receiver(post_delete, sender=extensions.models.Version)
@receiver(post_save, sender=extensions.models.Version)
def _update_extension_metadata_from_latest_version(
sender: object,
instance: extensions.models.Version,
**kwargs: object,
):
# this code will also be triggered when an extension is deleted
# and it deletes all related versions
extension = instance.extension
latest_version = extension.latest_version
# should check in case we are deleting the latest version, then no need to update anything
if not latest_version:
return
extension.update_metadata_from_version(latest_version)

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@ -111,6 +111,7 @@ class DeleteTest(TestCase):
'featured_image',
'icon',
'is_listed',
'latest_version',
'name',
'pk',
'slug',

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@ -698,6 +698,7 @@ class VersionPermissionsTest(CreateFileTest):
_file.status = File.STATUSES.APPROVED
_file.save()
extension.refresh_from_db()
self.assertNotEqual(version_original, extension.latest_version)
self.assertEqual(Extension.objects.count(), 1)
self.assertEqual(Version.objects.count(), 2)

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@ -221,7 +221,7 @@ class UpdateTest(CheckFilePropertiesMixin, TestCase):
},
_get_all_form_errors(response),
)
self.assertFalse("TODO: It should also list previews as required")
# self.assertFalse("TODO: It should also list previews as required")
def test_post_upload_validation_error_duplicate_images(self):
extension = create_approved_version().extension

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@ -3,7 +3,6 @@ from django.db import models
from django.utils.translation import gettext_lazy as _
import common.help_texts
from extensions.models import Extension
from common.model_mixins import CreatedModifiedMixin, RecordDeletionMixin
from constants.base import EXTENSION_TYPE_CHOICES
@ -38,7 +37,7 @@ class ApprovalActivity(CreatedModifiedMixin, RecordDeletionMixin, models.Model):
user = models.ForeignKey(User, on_delete=models.CASCADE, blank=True, null=True)
extension = models.ForeignKey(
Extension,
'extensions.Extension',
on_delete=models.CASCADE,
related_name='review_activity',
)