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

apps/ocr/views.py

@@ -7,6 +7,7 @@ from django.template import RequestContext
 from django.contrib import messages
 from django.views.generic.list_detail import object_list
 from django.utils.translation import ugettext_lazy as _
+from django.core.urlresolvers import reverse
 
 from celery.task.control import inspect
 from permissions.api import check_permissions
@@ -16,12 +17,13 @@ from documents.widgets import document_link, document_thumbnail
 from ocr import PERMISSION_OCR_DOCUMENT, PERMISSION_OCR_DOCUMENT_DELETE, \
     PERMISSION_OCR_QUEUE_ENABLE_DISABLE, PERMISSION_OCR_CLEAN_ALL_PAGES
 
-from ocr.models import DocumentQueue, QueueDocument
+from ocr.models import DocumentQueue, QueueDocument, QueueTransformation
 from ocr.literals import QUEUEDOCUMENT_STATE_PENDING, \
     QUEUEDOCUMENT_STATE_PROCESSING, DOCUMENTQUEUE_STATE_STOPPED, \
     DOCUMENTQUEUE_STATE_ACTIVE
 from ocr.exceptions import AlreadyQueued
 from ocr.api import clean_pages
+from ocr.forms import QueueTransformationForm, QueueTransformationForm_create
 
 
 def queue_document_list(request, queue_name='default'):
@@ -36,8 +38,10 @@ def queue_document_list(request, queue_name='default'):
         extra_context={
             'title': _(u'documents in queue: %s') % document_queue,
             'hide_object': True,
-            'object': document_queue,
+            'queue': document_queue,
             'object_name': _(u'document queue'),
+            'navigation_object_name': 'queue',
+            'list_object_variable_name': 'queue_document',               
             'extra_columns': [
                 {'name': 'document', 'attribute': lambda x: document_link(x.document) if hasattr(x, 'document') else _(u'Missing document.')},
                 {'name': _(u'thumbnail'), 'attribute': lambda x: document_thumbnail(x.document)},
@@ -210,7 +214,8 @@ def document_queue_disable(request, document_queue_id):
         return HttpResponseRedirect(next)
 
     return render_to_response('generic_confirm.html', {
-        'object': document_queue,
+        'queue': document_queue,
+        'navigation_object_name': 'queue',
         'title': _(u'Are you sure you wish to disable document queue: %s') % document_queue,
         'next': next,
         'previous': previous,
@@ -236,7 +241,8 @@ def document_queue_enable(request, document_queue_id):
         return HttpResponseRedirect(next)
 
     return render_to_response('generic_confirm.html', {
-        'object': document_queue,
+        'queue': document_queue,
+        'navigation_object_name': 'queue',
         'title': _(u'Are you sure you wish to activate document queue: %s') % document_queue,
         'next': next,
         'previous': previous,
@@ -315,3 +321,141 @@ def node_active_list(request):
             {'name': _(u'related object'), 'attribute': lambda x: display_link(x['related_object']) if x['related_object'] else u''}
         ],
     }, context_instance=RequestContext(request))
+
+
+def setup_queue_transformation_list(request, document_queue_id):
+    #check_permissions(request.user, [PERMISSION_SOURCES_SETUP_EDIT])
+    
+    document_queue = get_object_or_404(DocumentQueue, pk=document_queue_id)
+
+    context = {
+        'object_list': QueueTransformation.objects.get_for_object(document_queue),
+        'title': _(u'transformations for: %s') % document_queue,
+        #'object_name': _(u'document queue'),
+        #'object': document_queue,
+        'queue': document_queue,
+        'object_name': _(u'document queue'),
+        'navigation_object_name': 'queue',
+        'list_object_variable_name': 'transformation',        
+        'extra_columns': [
+            {'name': _(u'order'), 'attribute': 'order'},
+            {'name': _(u'transformation'), 'attribute': lambda x: x.get_transformation_display()},
+            {'name': _(u'arguments'), 'attribute': 'arguments'}
+            ],
+        'hide_link': True,
+        'hide_object': True,
+    }
+
+    return render_to_response('generic_list.html', context,
+        context_instance=RequestContext(request))    
+
+
+def setup_queue_transformation_edit(request, transformation_id):
+    #check_permissions(request.user, [PERMISSION_SOURCES_SETUP_EDIT])
+    
+    transformation = get_object_or_404(QueueTransformation, pk=transformation_id)
+    redirect_view = reverse('setup_queue_transformation_list', args=[transformation.content_object.pk])
+    next = request.POST.get('next', request.GET.get('next', request.META.get('HTTP_REFERER', redirect_view)))
+
+    if request.method == 'POST':
+        form = QueueTransformationForm(instance=transformation, data=request.POST)
+        if form.is_valid():
+            try:
+                # Test the validity of the argument field
+                eval(form.cleaned_data['arguments'], {})
+            except:
+                messages.error(request, _(u'Queue transformation argument error.'))
+            else:
+                try:
+                    form.save()
+                    messages.success(request, _(u'Queue transformation edited successfully'))
+                    return HttpResponseRedirect(next)
+                except Exception, e:
+                    messages.error(request, _(u'Error editing queue transformation; %s') % e)
+    else:
+        form = QueueTransformationForm(instance=transformation)
+
+    return render_to_response('generic_form.html', {
+        'title': _(u'Edit transformation: %s') % transformation,
+        'form': form,
+        'queue': transformation.content_object,
+        'transformation': transformation,
+        'navigation_object_list': [
+            {'object': 'queue', 'name': _(u'document queue')},
+            {'object': 'transformation', 'name': _(u'transformation')}
+        ],
+        'next': next,
+    },
+    context_instance=RequestContext(request))        
+
+
+def setup_queue_transformation_delete(request, transformation_id):
+    #check_permissions(request.user, [PERMISSION_SOURCES_SETUP_EDIT])
+
+    transformation = get_object_or_404(QueueTransformation, pk=transformation_id)
+    redirect_view = reverse('setup_queue_transformation_list', args=[transformation.content_object.pk])
+    previous = request.POST.get('previous', request.GET.get('previous', request.META.get('HTTP_REFERER', redirect_view)))
+
+    if request.method == 'POST':
+        try:
+            transformation.delete()
+            messages.success(request, _(u'Queue transformation deleted successfully.'))
+        except Exception, e:
+            messages.error(request, _(u'Error deleting queue transformation; %(error)s') % {
+                'error': e}
+            )
+        return HttpResponseRedirect(redirect_view)
+
+    return render_to_response('generic_confirm.html', {
+        'delete_view': True,
+        'transformation': transformation,
+        'queue': transformation.content_object,
+        'navigation_object_list': [
+            {'object': 'queue', 'name': _(u'document queue')},
+            {'object': 'transformation', 'name': _(u'transformation')}
+        ],            
+        'title': _(u'Are you sure you wish to delete queue transformation "%(transformation)s"') % {
+            'transformation': transformation.get_transformation_display(),
+        },
+        'previous': previous,
+        'form_icon': u'shape_square_delete.png',
+    },
+    context_instance=RequestContext(request))       
+
+
+def setup_queue_transformation_create(request, document_queue_id):
+    #check_permissions(request.user, [PERMISSION_SOURCES_SETUP_EDIT])
+
+    document_queue = get_object_or_404(DocumentQueue, pk=document_queue_id)
+    
+    redirect_view = reverse('setup_queue_transformation_list', args=[document_queue.pk])
+    previous = request.POST.get('previous', request.GET.get('previous', request.META.get('HTTP_REFERER', redirect_view)))
+    
+    if request.method == 'POST':
+        form = QueueTransformationForm_create(request.POST)
+        if form.is_valid():
+            try:
+                # Test the validity of the argument field
+                eval(form.cleaned_data['arguments'], {})
+            except:
+                messages.error(request, _(u'Queue transformation argument error.'))
+            else:            
+                try:
+                    queue_tranformation = form.save(commit=False)
+                    queue_tranformation.content_object = document_queue
+                    queue_tranformation.save()
+                    messages.success(request, _(u'Queue transformation created successfully'))
+                    return HttpResponseRedirect(redirect_view)
+                except Exception, e:
+                    messages.error(request, _(u'Error creating queue transformation; %s') % e)
+    else:
+        form = QueueTransformationForm_create()
+        
+    return render_to_response('generic_form.html', {
+        'form': form,
+        'queue': document_queue,
+        'object_name': _(u'document queue'),
+        'navigation_object_name': 'queue',
+        'title': _(u'Create new transformation for queue: %s') % document_queue,
+    }, context_instance=RequestContext(request))
+