Added per OCR queue transformation models and CRUD views to replace the CONVERTER_OCR_OPTIONS with the new refactored converter transformations systems

apps/ocr/models.py

@@ -2,13 +2,16 @@ from django.db import models
 from django.utils.translation import ugettext_lazy as _
 from django.utils.translation import ugettext
 from django.core.exceptions import ObjectDoesNotExist
+from django.contrib.contenttypes.models import ContentType
+from django.contrib.contenttypes import generic
 
 from documents.models import Document
+from converter.api import get_available_transformations_choices
 
 from ocr.literals import DOCUMENTQUEUE_STATE_STOPPED, \
     DOCUMENTQUEUE_STATE_CHOICES, QUEUEDOCUMENT_STATE_PENDING, \
     QUEUEDOCUMENT_STATE_CHOICES
-from ocr.manager import DocumentQueueManager
+from ocr.managers import DocumentQueueManager, QueueTransformationManager
 
 
 class DocumentQueue(models.Model):
@@ -51,3 +54,26 @@ class QueueDocument(models.Model):
             return unicode(self.document)
         except ObjectDoesNotExist:
             return ugettext(u'Missing document.')
+
+
+class QueueTransformation(models.Model):
+    """
+    Model that stores the transformation and transformation arguments
+    for a given document queue
+    """
+    content_type = models.ForeignKey(ContentType)
+    object_id = models.PositiveIntegerField()
+    content_object = generic.GenericForeignKey('content_type', 'object_id')
+    order = models.PositiveIntegerField(default=0, blank=True, null=True, verbose_name=_(u'order'), db_index=True)
+    transformation = models.CharField(choices=get_available_transformations_choices(), max_length=128, verbose_name=_(u'transformation'))
+    arguments = models.TextField(blank=True, null=True, verbose_name=_(u'arguments'), help_text=_(u'Use dictionaries to indentify arguments, example: %s') % u'{\'degrees\':90}')
+
+    objects = QueueTransformationManager()
+
+    def __unicode__(self):
+        return self.get_transformation_display()
+
+    class Meta:
+        ordering = ('order',)
+        verbose_name = _(u'document queue transformation')
+        verbose_name_plural = _(u'document queue transformations')