44 lines
1.4 KiB
Python
44 lines
1.4 KiB
Python
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from django.db import migrations, models
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def keep_what_we_know(apps, schema_editor):
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"""The continue point so far was the furthest place: it is that, and it was
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last saved at updated_at."""
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EBookProgress = apps.get_model('books', 'EBookProgress')
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for p in EBookProgress.objects.all().iterator():
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p.furthest_fraction = p.scroll_fraction
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p.furthest_anchor = p.position_anchor
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p.read_at = int(p.updated_at.timestamp() * 1000)
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p.save(update_fields=['furthest_fraction', 'furthest_anchor', 'read_at'])
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class Migration(migrations.Migration):
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dependencies = [
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('books', '0004_ebook_is_read'),
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]
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operations = [
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migrations.AddField(
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model_name='ebookprogress',
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name='read_at',
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field=models.BigIntegerField(blank=True, null=True),
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),
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migrations.AddField(
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model_name='ebookprogress',
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name='device',
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field=models.CharField(blank=True, default='', max_length=40),
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),
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migrations.AddField(
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model_name='ebookprogress',
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name='furthest_fraction',
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field=models.FloatField(default=0.0),
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),
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migrations.AddField(
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model_name='ebookprogress',
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name='furthest_anchor',
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field=models.CharField(blank=True, default='', max_length=30),
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),
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migrations.RunPython(keep_what_we_know, migrations.RunPython.noop),
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]
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