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Remove use of another custom property and use the related_name feature of the document page model

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This commit is contained in:
Roberto Rosario
2014-05-19 00:32:36 -04:00
parent 518137415a
commit e258f4c4c1
2 changed files with 5 additions and 9 deletions
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2
apps/documents/migrations/0005_document_versions.py
View File

@@ -18,7 +18,7 @@ class Migration(DataMigration):
checksum = document.checksum,
)
document_version.save()
for document_page in document.documentpage_set.all():
for document_page in document.pages.all():
document_page.document_version = document_version
document_page.save()

12
apps/documents/models.py
View File

@@ -108,7 +108,7 @@ class Document(models.Model):
def get_cached_image_name(self, page, version):
document_version = DocumentVersion.objects.get(pk=version)
document_page = document_version.documentpage_set.get(page_number=page)
document_page = document_version.pages.get(page_number=page)
transformations, warnings = document_page.get_transformation_list()
hash_value = HASH_FUNCTION(u''.join([document_version.checksum, unicode(page), unicode(transformations)]))
return os.path.join(CACHE_PATH, hash_value), transformations
@@ -361,10 +361,6 @@ class DocumentVersion(models.Model):
vers.append(u'%s%i' % (self.get_release_level_display(), self.serial))
return u''.join(vers)
@property
def pages(self):
return self.documentpage_set
def save(self, *args, **kwargs):
"""
Overloaded save method that updates the document version's checksum,
@@ -421,7 +417,7 @@ class DocumentVersion(models.Model):
except OSError:
pass
current_pages = self.documentpage_set.order_by('page_number',)
current_pages = self.pages.order_by('page_number',)
if current_pages.count() > detected_pages:
for page in current_pages[detected_pages:]:
page.delete()
@@ -555,7 +551,7 @@ class DocumentPage(models.Model):
"""
Model that describes a document version page including it's content
"""
document_version = models.ForeignKey(DocumentVersion, verbose_name=_(u'document version'))
document_version = models.ForeignKey(DocumentVersion, verbose_name=_(u'document version'), related_name='pages')
content = models.TextField(blank=True, null=True, verbose_name=_(u'content'))
page_label = models.CharField(max_length=32, blank=True, null=True, verbose_name=_(u'page label'))
page_number = models.PositiveIntegerField(default=1, editable=False, verbose_name=_(u'page number'), db_index=True)
@@ -564,7 +560,7 @@ class DocumentPage(models.Model):
return _(u'Page %(page_num)d out of %(total_pages)d of %(document)s') % {
'document': unicode(self.document),
'page_num': self.page_number,
'total_pages': self.document_version.documentpage_set.count()
'total_pages': self.document_version.pages.count()
}
class Meta: