#can add features like: supporting files with specified extensions, making edit box of content better etc.

from django.http import HttpResponse

from django.template import Context, Template

from django.shortcuts import render_to_response

from form import FileForm, Uploaded_fileForm

from forms import ParticipantForm

import tarfile

#function to read the upoaded file and store it

def handle_uploaded_file(f):

    destination = open(f.name, 'wb+')

    for chunk in f.chunks():

        destination.write(chunk)

    destination.close()

#view to handle uploaded file, showing content of file, and option of uploading a file

def upload_file(request,template_name='index.html'):

    if request.method == 'POST':

        form = FileForm(request.POST, request.FILES)		

        if form.is_valid():

	    #if else for checking the size of uploaded file

            handle_uploaded_file(request.FILES['file'])

	    uploaded_form = Uploaded_fileForm(initial={'content': open(request.FILES['file'].name).read()})

	    c = Context({'form': uploaded_form,

			'value': False,

			}) 	    

	    #display a page with textbox and all the content of file	   

            return render_to_response(template_name,

			context_instance = c)

    c = Context({'form': ParticipantForm(),

		'value': True,

		})

    return render_to_response(template_name,

			context_instance = c)