taiga-back/taiga/projects/migrations/0008_auto_20141024_1012.py

71 lines
2.2 KiB
Python

# -*- coding: utf-8 -*-
from __future__ import unicode_literals
from unidecode import unidecode
from django.db import models, migrations
from django.template.defaultfilters import slugify
from taiga.projects.models import UserStoryStatus, TaskStatus, IssueStatus
def update_many(objects, fields=[], using="default"):
"""Update list of Django objects in one SQL query, optionally only
overwrite the given fields (as names, e.g. fields=["foo"]).
Objects must be of the same Django model. Note that save is not
called and signals on the model are not raised."""
if not objects:
return
import django.db.models
from django.db import connections
con = connections[using]
names = fields
meta = objects[0]._meta
fields = [f for f in meta.fields if not isinstance(f, django.db.models.AutoField) and (not names or f.name in names)]
if not fields:
raise ValueError("No fields to update, field names are %s." % names)
fields_with_pk = fields + [meta.pk]
parameters = []
for o in objects:
parameters.append(tuple(f.get_db_prep_save(f.pre_save(o, True), connection=con) for f in fields_with_pk))
table = meta.db_table
assignments = ",".join(("%s=%%s"% con.ops.quote_name(f.column)) for f in fields)
con.cursor().executemany(
"update %s set %s where %s=%%s" % (table, assignments, con.ops.quote_name(meta.pk.column)),
parameters)
def update_slug(apps, schema_editor):
update_qs = UserStoryStatus.objects.all().only("name")
for us_status in update_qs:
us_status.slug = slugify(unidecode(us_status.name))
update_many(update_qs, fields=["slug"])
update_qs = TaskStatus.objects.all().only("name")
for task_status in update_qs:
task_status.slug = slugify(unidecode(task_status.name))
update_many(update_qs, fields=["slug"])
update_qs = IssueStatus.objects.all().only("name")
for issue_status in update_qs:
issue_status.slug = slugify(unidecode(issue_status.name))
update_many(update_qs, fields=["slug"])
class Migration(migrations.Migration):
dependencies = [
('projects', '0007_auto_20141024_1011'),
]
operations = [
migrations.RunPython(update_slug)
]