Basic implementation of gridfs with uploading file and retriving file on browser

gnowsys-ndf/gnowsys_ndf/ndf/templates/ndf/DocumentList.html

@@ -0,0 +1,19 @@
+{% extends "ndf/base.html" %}
+{% block title %} List of Documents {% endblock %}
+{% block body_content %} 
+
+<table border="1">
+	<tr>
+		<th>File Name</th>
+		<th>View</th>
+	</tr>
+	{% for doc in filecollection %}
+		<tr>
+			<td>{{doc.name}}</td>
+			<td><a href="{% url 'read_file' doc %}">view</a></td>
+
+		<tr/> 
+	{% endfor %} 	
+
+</table>	
+{% endblock %}

gnowsys-ndf/gnowsys_ndf/ndf/urls.py

@@ -10,7 +10,10 @@
                        url(r'^create_wiki/', views.create_wiki, name='create_wiki'),
                        url(r'^wikipage/', views.wikipage, name='wikipage'),
                        url(r'^delete/(?P<_id>[\w-]+)$', views.delete_node, name='delete_node'),
-                       url(r'^uploadDoc/$', TemplateView.as_view(template_name='ndf/UploadDoc.html')),#Direct ot html template
-                       url(r'^submitDoc/', views.submitDoc, name='submitDoc'),
-                       url(r'^submit/', views.submitDoc, name='submitDoc')	
+
+		       url(r'^uploadDoc/$', TemplateView.as_view(template_name='ndf/UploadDoc.html')),#Direct ot html template
+		       url(r'^submitDoc/', views.submitDoc, name='submitDoc'),	
+		       url(r'^submit/', views.submitDoc, name='submitDoc'),
+		       url(r'^documentList/', views.GetDoc, name='documentList'),
+		       url(r'^readDoc/(?P<_id>[\w-]+)$', views.readDoc, name='read_file'),	
                        )

gnowsys-ndf/gnowsys_ndf/ndf/views.py

@@ -100,6 +100,23 @@ def submitDoc(request):
 		filetype=magic.from_buffer(files.read()) #Gusing filetype by python-magic
 		print "test",title,user,memberOf	
 		#this code is for storing Document in gridfs
+		files.seek(0) #moving files cursor to start
 		objectid=fileobj.fs.files.put(files.read(),filename=title,content_type=filetype)
+		#files.seek(0)		
+		#print "fileread:",files.read()
 		#print "objectid:",objectid
-	return HttpResponse("File uploaded succesfully and your object id:"+str(objectid))
+	return HttpResponseRedirect("/ndf/documentList/")
+	#return HttpResponse("File uploaded succesfully and your object id:"+str(objectid))
+
+def GetDoc(request):
+	filecollection=get_database()[File.collection_name]
+	files=filecollection.File.find()
+	template="ndf/DocumentList.html"
+	variable=RequestContext(request,{'filecollection':files})
+	return render_to_response(template,variable)
+
+def readDoc(request,_id):
+	filecollection=get_database()[File.collection_name]
+	fileobj=filecollection.File.one({"_id": ObjectId(_id)})  
+	fl=fileobj.fs.files.get_last_version(fileobj.name)
+	return HttpResponse(fl.read(),content_type=fl.content_type)