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models.py
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models.py
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import logging
import os.path
import os
from datetime import datetime
from django.db import models, transaction
from dateutil.tz import tzutc
from reversion import revisions
logger = logging.getLogger(__name__)
class CodeResource(models.Model):
name = models.CharField(
max_length=63,
verbose_name='Nimi',
help_text='Uniikki tunniste, jolla resurssi ladataan koodista tai HTML:stä käsin.',
unique=True,
)
active = models.BooleanField(
default=True,
verbose_name='Aktiivinen',
help_text='Ei-aktiivisia resursseja ei huomioida.',
)
content = models.TextField(
blank=True,
verbose_name='Sisältö',
)
created_at = models.DateTimeField(auto_now_add=True, verbose_name='Luotu')
updated_at = models.DateTimeField(auto_now=True, verbose_name='Muokattu')
@classmethod
def ingest(cls, open_file, force=False):
name = os.path.basename(open_file.name)
content = open_file.read()
stat_info = os.stat(open_file.name)
file_modified = datetime.utcfromtimestamp(stat_info.st_mtime).replace(tzinfo=tzutc())
with transaction.atomic(), revisions.create_revision():
revisions.set_comment(f'Ingested {name}')
try:
existing = cls.objects.get(name=name)
except cls.DoesNotExist:
logger.info('Ingest %s', name)
return cls.objects.create(name=name, content=content)
else:
if file_modified <= existing.updated_at:
if force:
logger.warn('Ingest %s (force)', name)
else:
logger.info('Ignore %s (older)', name)
return existing
else:
logger.info('Ingest %s (newer)', name)
existing.content = content
existing.save()
return existing
def __str__(self):
return self.name
class Meta:
abstract = True
class StyleSheet(CodeResource):
class Meta:
verbose_name = 'Tyylitiedosto'
verbose_name_plural = 'Tyylitiedostot'
class Template(CodeResource):
class Meta:
verbose_name = 'Sivupohja'
verbose_name_plural = 'Sivupohjat'