diff --git a/CHANGELOG.md b/CHANGELOG.md index 162a0684ff..e0f5d1cefa 100644 --- a/CHANGELOG.md +++ b/CHANGELOG.md @@ -6,6 +6,7 @@ UNRELEASED * [ [#1989](https://github.com/digitalfabrik/integreat-cms/issues/1989) ] Improve load time of locations endpoint * [ [#1578](https://github.com/digitalfabrik/integreat-cms/issues/1578) ] Add option to hide files in global media library * [ [#1752](https://github.com/digitalfabrik/integreat-cms/issues/1752) ] Show chapter for internal link suggestions +* [ [#1518](https://github.com/digitalfabrik/integreat-cms/issues/1518) ] Prevent database corruption when moving 2 pages at the same time 2023.2.0 diff --git a/Pipfile b/Pipfile index 0efa435c70..805c034bfe 100644 --- a/Pipfile +++ b/Pipfile @@ -29,6 +29,7 @@ twine = "*" [packages] integreat-cms = {editable = true, path = "."} +django-db-mutex = "*" [requires] python_version = "3.9" diff --git a/Pipfile.lock b/Pipfile.lock index 3fd74b420e..3be1d5234d 100644 --- a/Pipfile.lock +++ b/Pipfile.lock @@ -1,7 +1,7 @@ { "_meta": { "hash": { - 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"version": "==1.10.4" + "version": "==1.10.5" }, "pyhanko": { "hashes": [ @@ -1365,11 +1373,11 @@ }, "typing-extensions": { "hashes": [ - "sha256:1511434bb92bf8dd198c12b1cc812e800d4181cfcb867674e0f8279cc93087aa", - "sha256:16fa4864408f655d35ec496218b85f79b3437c829e93320c7c9215ccfd92489e" + "sha256:5cb5f4a79139d699607b3ef622a1dedafa84e115ab0024e0d9c044a9479ca7cb", + "sha256:fb33085c39dd998ac16d1431ebc293a8b3eedd00fd4a32de0ff79002c19511b4" ], "markers": "python_version >= '3.7'", - "version": "==4.4.0" + "version": "==4.5.0" }, "tzdata": { "hashes": [ @@ -1405,10 +1413,10 @@ }, "webauthn": { "hashes": [ - "sha256:d5f5c257a6a18c6bd5a67169e62c1a2cd7a7350a6f9cd1ced02919706cef3074", - "sha256:f5122b9d988fe20116b3712c874a97183d18c0f2d62287c979edf1892d198b57" + "sha256:4153dd245dcc44f948f2543a726cbc852353d7c5bc04e7e35c6e05dc744b9a11", + "sha256:d4821ce47d9870a94bb55c23002c4e1969fb1c08ad35e878f4b8cec71e507a1d" ], - "version": "==1.7.0" + "version": "==1.7.2" }, "webencodings": { "hashes": [ @@ -1803,9 +1811,7 @@ "version": "==0.4.6" }, "coverage": { - "extras": [ - "toml" - ], + "extras": [], "hashes": [ "sha256:04481245ef966fbd24ae9b9e537ce899ae584d521dfbe78f89cad003c38ca2ab", "sha256:0c45948f613d5d18c9ec5eaa203ce06a653334cf1bd47c783a12d0dd4fd9c851", @@ -2662,7 +2668,7 @@ "sha256:125d96d20c92b946b983d0d392b84ff945461e5a06d3867e9f9e575f8697b67f", "sha256:8aa57747f3fc3e977684f0176a88e789be314a99f99b43b75d1e9cb5dc6db9e9" ], - "markers": "python_full_version >= '3.7.0'", + "markers": "python_version >= '3.7'", "version": "==13.3.1" }, "secretstorage": { @@ -2675,11 +2681,11 @@ }, "setuptools": { "hashes": [ - "sha256:23c86b4e44432bfd8899384afc08872ec166a24f48a3f99f293b0a557e6a6b5d", - "sha256:daec07fd848d80676694d6bf69c009d28910aeece68a38dbe88b7e1bb6dba12e" + "sha256:95f00380ef2ffa41d9bba85d95b27689d923c93dfbafed4aecd7cf988a25e012", + "sha256:bb6d8e508de562768f2027902929f8523932fcd1fb784e6d573d2cafac995a48" ], "markers": "python_version >= '3.5'", - "version": "==67.3.1" + "version": "==67.3.2" }, "shellcheck-py": { "hashes": [ @@ -2735,7 +2741,7 @@ "sha256:29d341f67fb0f6f586b23ad80e072c8e6ad0b48417db2bde114a4c9746feb228", "sha256:828f867945bbe39817c210a1abfd1bc4895c8b73fcaade56d45357a348a07d7e" ], - "markers": "python_version >= '3.8'", + "markers": "python_full_version >= '3.8.0'", "version": "==1.0.4" }, "sphinxcontrib-devhelp": { @@ -2759,7 +2765,7 @@ "sha256:0cbdd302815330058422b98a113195c9249825d681e18f11e8b1f78a2f11efff", "sha256:c38cb46dccf316c79de6e5515e1770414b797162b23cd3d06e67020e1d2a6903" ], - "markers": "python_version >= '3.8'", + "markers": "python_full_version >= '3.8.0'", "version": "==2.0.1" }, "sphinxcontrib-jquery": { @@ -2859,11 +2865,11 @@ }, "typing-extensions": { "hashes": [ - "sha256:1511434bb92bf8dd198c12b1cc812e800d4181cfcb867674e0f8279cc93087aa", - "sha256:16fa4864408f655d35ec496218b85f79b3437c829e93320c7c9215ccfd92489e" + "sha256:5cb5f4a79139d699607b3ef622a1dedafa84e115ab0024e0d9c044a9479ca7cb", + "sha256:fb33085c39dd998ac16d1431ebc293a8b3eedd00fd4a32de0ff79002c19511b4" ], "markers": "python_version >= '3.7'", - "version": "==4.4.0" + "version": "==4.5.0" }, "urllib3": { "hashes": [ @@ -2967,11 +2973,11 @@ }, "zipp": { "hashes": [ - "sha256:23f70e964bc11a34cef175bc90ba2914e1e4545ea1e3e2f67c079671883f9cb6", - "sha256:e8b2a36ea17df80ffe9e2c4fda3f693c3dad6df1697d3cd3af232db680950b0b" + "sha256:188834565033387710d046e3fe96acfc9b5e86cbca7f39ff69cf21a4128198b7", + "sha256:9e5421e176ef5ab4c0ad896624e87a7b2f07aca746c9b2aa305952800cb8eecb" ], "markers": "python_version >= '3.7'", - "version": "==3.13.0" + "version": "==3.14.0" } } } diff --git a/integreat_cms/cms/models/abstract_tree_node.py b/integreat_cms/cms/models/abstract_tree_node.py index 8240491bed..c6686d8bd4 100644 --- a/integreat_cms/cms/models/abstract_tree_node.py +++ b/integreat_cms/cms/models/abstract_tree_node.py @@ -8,6 +8,9 @@ from treebeard.exceptions import InvalidPosition from treebeard.ns_tree import NS_Node +from db_mutex import DBMutexError, DBMutexTimeoutError +from db_mutex.db_mutex import db_mutex + from .abstract_base_model import AbstractBaseModel from ..constants import position @@ -259,6 +262,8 @@ def move(self, target, pos=None): :type pos: str :raises ~treebeard.exceptions.InvalidPosition: If the node is moved to another region + :raises ~db_mutex.exceptions.DBMutexError: If the DB mutex could not be retrieved + :raises ~db_mutex.exceptions.DBMutexTimeoutError: If waiting for the DB mutex timed out """ logger.debug("Moving %r to position %r of %r", self, pos, target) # Do not allow to move a node outside its region @@ -282,7 +287,21 @@ def move(self, target, pos=None): # Moving a node can modify all other nodes via raw sql queries (which are not recognized by cachalot), # so we have to invalidate the whole model manually. invalidate_model(self.__class__) - super().move(target=target, pos=pos) + try: + with db_mutex(f"tree-page-{self.region}"): + super().move(target, pos) + except DBMutexError as e: + logger.error("Could not retrieve database mutex to save %s", self) + raise DBMutexError( + # pylint: disable=consider-using-f-string + _('Could not change position in tree of "{}".'.format(self)) + ) from e + except DBMutexTimeoutError as e: + logger.error("Retrieving database mutex timed out while saving %s", self) + raise DBMutexTimeoutError( + # pylint: disable=consider-using-f-string + _('Could not change position in tree of "{}".'.format(self)) + ) from e invalidate_model(self.__class__) # Reload 'self' because lft/rgt may have changed diff --git a/integreat_cms/core/settings.py b/integreat_cms/core/settings.py index 8ac97e6800..f3c2ce20c6 100644 --- a/integreat_cms/core/settings.py +++ b/integreat_cms/core/settings.py @@ -247,6 +247,7 @@ "django.contrib.staticfiles", # Installed third-party-apps "corsheaders", + "db_mutex", "linkcheck", "polymorphic", "rules.apps.AutodiscoverRulesConfig", @@ -1012,3 +1013,11 @@ #: The URL path where XLIFF files are served for download XLIFF_URL = "/xliff/" + + +############ +# DB Mutex # +############ + +# Our database operations should never exceed 60 seconds +DB_MUTEX_TTL_SECONDS = 60 diff --git a/integreat_cms/locale/de/LC_MESSAGES/django.po b/integreat_cms/locale/de/LC_MESSAGES/django.po index f15c1f8b48..a14369c5cb 100644 --- a/integreat_cms/locale/de/LC_MESSAGES/django.po +++ b/integreat_cms/locale/de/LC_MESSAGES/django.po @@ -2340,6 +2340,10 @@ msgid "The node \"{}\" in region \"{}\" cannot be moved to \"{}\"." msgstr "" "Der Knoten \"{}\" in Region \"{}\" kann nicht nach \"{}\" verschoben werden." +#: cms/models/abstract_tree_node.py +msgid "Could not change position in tree of \"{}\"." +msgstr "Position von \"{}\" im Baum konnte nicht geändert werden." + #: cms/models/chat/chat_message.py msgid "sender" msgstr "Absender:in" diff --git a/sphinx/conf.py b/sphinx/conf.py index 7d1131374d..69bad0dfa6 100644 --- a/sphinx/conf.py +++ b/sphinx/conf.py @@ -93,6 +93,7 @@ "https://sphinx-rtd-tutorial.readthedocs.io/en/latest/", None, ), + "db_mutex": ("https://django-db-mutex.readthedocs.io/en/latest/", None), "django": ( f"https://docs.djangoproject.com/en/{django_version}/", f"https://docs.djangoproject.com/en/{django_version}/_objects/",