from web.library.models import *
from django.http import HttpResponse, HttpResponseRedirect, Http404
from django.shortcuts import render_to_response, get_object_or_404




# Create your views here.
def BookView(request,book_identifier):
	book=get_object_or_404(Book,isbn=book_identifier)
	people = book.persons.all()
	return render_to_response('book/view.html', {'book' : book, 'people' : people})

def BookRedirect(request,book_identifier):
	ident=get_object_or_404(Id,id=book_identifier)
	return HttpResponseRedirect('/book/'+ident.book.isbn)

def PersonView(request,person_identifier):
	person = get_object_or_404(Person,id=person_identifier)
	books = person.books.all()
	return render_to_response('person/view.html', {'title' : 'Worblehat: person '+person.first_name+' '+person.last_name,'person' : person, 'books' : books})

def MapView(request,shelf_identifier):
        if shelf_identifier not in Placement.get_all_shelves():
                raise Http404()
        shelf_list = Placement.shelf_as_list_row_then_col(shelf_identifier)
        return render_to_response('map/view.html', {'shelf': shelf_list})