61 lines
2.0 KiB
Python
61 lines
2.0 KiB
Python
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# -*- coding: utf-8 -*-
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from __future__ import unicode_literals
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from django.db import migrations
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def change_motions_comments(apps, schema_editor):
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"""
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Index the comments fields in the config. Changing from an array to a dict with the
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ids as keys. CHange all motions from an array for comments to a dict with the comments
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field id as key to link motion comments and comments fields.
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"""
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# We get the model from the versioned app registry;
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# if we directly import it, it will be the wrong version.
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ConfigStore = apps.get_model('core', 'ConfigStore')
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Motion = apps.get_model('motions', 'Motion')
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try:
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config_comments_fields = ConfigStore.objects.get(key='motions_comments').value
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except ConfigStore.DoesNotExist:
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config_comments_fields = [] # The old default: An empty list.
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comments_fields = {}
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for index, field in enumerate(config_comments_fields):
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comments_fields[index+1] = field
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max_index = len(config_comments_fields)-1
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try:
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db_value = ConfigStore.objects.get(key='motions_comments')
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except ConfigStore.DoesNotExist:
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db_value = ConfigStore(key='motions_comments')
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db_value.value = comments_fields
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# We cannot provide skip_autoupdate=True here, becuase this object is a fake object. It does *not*
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# inherit from the RESTModelMixin, so the save() methos from base_model.py (django's default)
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# gets called. This is because we are in the core app and try to save a core model. See
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# comments in PR #3376.
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db_value.save()
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for motion in Motion.objects.all():
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comments = {}
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for index, comment in enumerate(motion.comments or []):
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if index > max_index:
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break
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comments[index+1] = comment
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motion.comments = comments
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motion.save(skip_autoupdate=True)
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class Migration(migrations.Migration):
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dependencies = [
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('motions', '0002_misc_features'),
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]
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operations = [
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migrations.RunPython(
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change_motions_comments
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),
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]
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