views.py 5.74 KB
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from django.shortcuts import render

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# stuff copied out of the website views

# seller's rating
def ratingsAverage(seller):
    sellerRating = Seller.objects.filter(user__username=seller)
    ratingNumber = 0
    ratingTotal = 0
    ratingAverage = 0
    for rating in sellerRating:
        ratingNumber += 1
        ratingTotal += rating
    ratingAverage = ratingTotal/ratingNumber
    return ratingNumber

### VIEWS ###

# USER home page -- rewrite as user homepage
@login_required
def index(request):

    lookout_form = LookoutForm()
    lookouts = Lookout.objects.filter(
        owner__user__username = request.user.username )

    # This unwieldy double forloop grabs the pk of each listing that shows
    # up for your lookout, and adds it to a list.
    listing_pks = []
    for lookout in lookouts:
        lookout_listings = lookout.get_listings()
        for lookout_listing in lookout_listings:
            listing_pks.append( lookout_listing.pk )

    # The list of pks is then used to create a queryset, ordered by newest
    # listing first.
    listings = Listing.objects.filter(pk__in=listing_pks).order_by('-date_created')

    # Listings will be shown in 3 columns and 2 rows, for a total of 6
    # entries per page.
    paginator = Paginator(listings, 6) # Show 6 listings per page

    page = request.GET.get('page')
    try:
        listings = paginator.page(page)
    except PageNotAnInteger:
        # if page is NaN, deliver the first page
        listings = paginator.page(1)
    except EmptyPage:
        # if the page is empty, deliver the last page
        listings = paginator.page(paginator.num_pages)

    # the rows variable is >= 1, and is determined by the number of
    # entries on this page. this is intended to cause the listing
    # previews to fill in rows first, rather than columns.
    rows = int(math.ceil( len(listings) / 3.0 )) or 1

    if request.method == 'POST':
        lookout_form = LookoutForm( request.POST )
        if lookout_form.is_valid():
            lookout = lookout_form.save(commit=False)
            lookout.ISBN = lookout.ISBN.strip()
            lookout.owner = request.user.seller
            lookout.save()
            return redirect( 'homepage' )

    return render(request, 'index.html', {
        'listings' : listings,
        'rows' : rows,
        'CreateLookout_form': lookout_form,
    },
    )

# User profile page
@login_required
def profile(request, username):

    # verify that the user exists
    seller = get_object_or_404(Seller, user__username=username)
    listings = Listing.objects.filter(seller__user__username=username)
    lookouts = Lookout.objects.filter(owner__user__username=username)
    FinalPrice_form = FinalPriceForm(prefix="finalPrice")
    close_form = CloseForm(prefix="close")
    DeleteLookout_form = DeleteLookoutForm()
    lookout_form = LookoutForm()

    if request.method == 'POST':
        # Parse the ClosedForm input fields
        if 'closed' in request.POST:
            close_form = CloseForm( request.POST, prefix="close" )
            if close_form.is_valid():
                book_id = close_form.cleaned_data.get('book_id')
                listing = Listing.objects.get(pk=book_id)
                if listing.seller == request.user.seller:
                    listing.active = False
                    listing.save()
                    return redirect('profile', username)
                else:
                    raise PermissionDenied("You do not own this listing.")
        # Parse the FinalPriceForm input fields
        elif 'sold' in request.POST:
            FinalPrice_form = FinalPriceForm( request.POST, prefix="finalPrice" )
            if FinalPrice_form.is_valid():
                book_id = FinalPrice_form.cleaned_data.get('book_id')
                listing = Listing.objects.get(pk=book_id)
                try:
                    final_price = int(FinalPrice_form.cleaned_data.get('final_price'))
                except ValueError, TypeError:
                    final_price = 0
                if listing.seller == request.user.seller:
                    listing.finalPrice = final_price
                    listing.sold = True
                    listing.active = False
                    listing.save()
                    return redirect('profile', username)
                else:
                    raise PermissionDenied("You do not own this listing.")
        # Parse the DeleteLookoutForm input fields
        elif 'lookout' in request.POST:
            DeleteLookout_form = DeleteLookoutForm( request.POST )
            if DeleteLookout_form.is_valid():
                lookout_id = DeleteLookout_form.cleaned_data.get('lookout_id')
                lookout = Lookout.objects.get(pk=lookout_id)
                if lookout.owner == request.user.seller:
                    lookout.delete()
                    return redirect('profile', username)
                else:
                    raise PermissionDenied("You do not own this lookout.")
        elif 'lookout-create' in request.POST:
            lookout_form = LookoutForm( request.POST )
            if lookout_form.is_valid():
                lookout = lookout_form.save(commit=False)
                lookout.ISBN = lookout.ISBN.strip()
                lookout.owner = request.user.seller
                lookout.save()
                return redirect( 'profile', username )

    return render(request, 'profile.html', {
        'seller' : seller,
        'listings': listings,
        'lookouts': lookouts,
        'total_sold' : totalSold( username ),
        'FinalPrice_form' : FinalPrice_form,
        'close_form' : close_form,
        'DeleteLookout_form' : DeleteLookout_form,
        'CreateLookout_form': lookout_form,
    },
    )

@login_required
def search(request):
    # merely forms
    return render(request, 'search.html', {
    },
    )