Better management of cascade updates

1 files changed, 67 insertions, 0 deletions

diff --git a/ishtar_common/management/commands/process_pending_update.py b/ishtar_common/management/commands/process_pending_update.py
new file mode 100644
index 000000000..f0e908d42
--- /dev/null
+++ b/ishtar_common/management/commands/process_pending_update.py
@@ -0,0 +1,67 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+# Copyright (C) 2013-2018 Étienne Loks  <etienne.loks_AT_peacefrogsDOTnet>
+
+# 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, either version 3 of the
+# License, or (at your option) any later version.
+
+# 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 <http://www.gnu.org/licenses/>.
+
+# See the file COPYING for details.
+
+import sys
+
+from django.core.management.base import BaseCommand
+
+from django.apps import apps
+
+
+APPS = ['ishtar_common', 'archaeological_operations',
+        'archaeological_context_records', 'archaeological_finds',
+        'archaeological_warehouse']
+
+
+class Command(BaseCommand):
+    args = ''
+    help = 'Process pending update of cached labels and geo position'
+
+    def add_arguments(self, parser):
+        parser.add_argument(
+            '--quiet', dest='quiet', action='store_true',
+            help='Quiet output')
+
+    def handle(self, *args, **options):
+        quiet = options['quiet']
+        for app in APPS:
+            if not quiet:
+                print(u"* app: {}".format(app))
+            for model in apps.get_app_config(app).get_models():
+                if model.__name__.startswith('Historical'):
+                    continue
+                if not bool(
+                        [True for k in model._meta.get_fields()
+                         if k == "need_update"]):
+                    continue
+                msg = u"-> processing {}: ".format(model._meta.verbose_name)
+                ln = model.objects.count()
+                for idx, obj_id in enumerate(
+                        model.objects.filter(
+                            need_update=True).values('pk').all()):
+                    obj = model.objects.get(pk=obj_id['pk'])
+                    obj.skip_history_when_saving = True
+                    obj._no_move = True
+                    cmsg = u"\r{} {}/{}".format(msg, idx + 1, ln)
+                    if not quiet:
+                        sys.stdout.write(cmsg)
+                        sys.stdout.flush()
+                    obj.save()
+                if not quiet:
+                    sys.stdout.write("\n")