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First commit to add metadata groups

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This commit is contained in:
Roberto Rosario
2011-02-11 23:08:00 -04:00
parent 369f89f8a6
commit c83c2e0d46
5 changed files with 143 additions and 9 deletions
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51
apps/documents/models.py
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@@ -303,8 +303,8 @@ class DocumentTypeFilename(models.Model):
class Meta:
ordering = ['filename']
verbose_name = _(u'document type filename')
verbose_name_plural = _(u'document types filenames')
verbose_name = _(u'document type quick rename filename')
verbose_name_plural = _(u'document types quick rename filenames')
class DocumentPage(models.Model):
@@ -321,4 +321,51 @@ class DocumentPage(models.Model):
verbose_name_plural = _(u'document pages')
class MetadataGroup(models.Model):
document_type = models.ManyToManyField(DocumentType, null=True, blank=True,
verbose_name=_(u'document type'), help_text=_(u'If left blank, all document types will be matched.'))
name = models.CharField(max_length=32, verbose_name=_(u'name'))
label = models.CharField(max_length=32, verbose_name=_(u'label'))
def __unicode__(self):
return self.label if self.label else self.name
class Meta:
verbose_name = _(u'metadata document group')
verbose_name_plural = _(u'metadata document groups')
INCLUSION_AND = '&'
INCLUSION_OR = '|'
INCLUSION_CHOICES = (
(INCLUSION_AND, _(u'and')),
(INCLUSION_OR, _(u'or')),
)
OPERATOR_EQUAL = ' '
OPERATOR_IS_NOT_EQUAL = '~'
OPERATOR_CHOCIES = (
(OPERATOR_EQUAL, _(u'is equal')),
(OPERATOR_IS_NOT_EQUAL, _(u'is not equal')),
)
class MetadataGroupItem(models.Model):
metadata_group = models.ForeignKey(MetadataGroup, verbose_name=_(u'metadata group'))
inclusion = models.CharField(default=INCLUSION_AND, max_length=16, choices=INCLUSION_CHOICES)
metadata_type = models.ForeignKey(MetadataType, verbose_name=_(u'metadata type'), help_text=_(u'This represents the metadata of all other documents.'))
operator = models.CharField(max_length=16, choices=OPERATOR_CHOCIES)
expression = models.CharField(max_length=64,
verbose_name=_(u'expression'), help_text=_(u'This expression will be evaluated against the current seleted document. The document metadata is available as variables of the same name but with the "metadata_" prefix added their name.'))
def __unicode__(self):
return '%s %s %s %s' % (self.get_inclusion_display(), self.metadata_type, self.get_operator_display(), self.expression)
class Meta:
verbose_name = _(u'metadata group item')
verbose_name_plural = _(u'metadata group items')
register(Document, _(u'document'), ['document_type__name', 'file_mimetype', 'file_filename', 'file_extension', 'documentmetadata__value', 'documentpage__content'])