コード例 #1
0
ファイル: wishlist.py プロジェクト: PrincetonUSG/USG-srv-dev
def process_add(request, form_data):
    '''Returns the added book if add is successful, None if the field is blank, 
    or raises Book.DoesNotExist if no such book is found'''

    form = AddForm(form_data)

    if not form.is_valid():
        raise Book.DoesNotExist

    # Clean up the ISBN, or stop if there has been no ISBN entered
    isbn = form.cleaned_data['add']
    if len(isbn) == 0: return None
    isbn = cleanisbn(isbn)

    # Get the book, or raise the exception that it does not exist
    if len(isbn) == 13: 
        try:
            book = Book.objects.get(isbn13=isbn)
        except Book.DoesNotExist:
            book = book_details(isbn)
            if book != None: book.save()
            else: raise Book.DoesNotExist

    elif len(isbn) == 10: 
        try:
            book = Book.objects.get(isbn10=isbn)
        except Book.DoesNotExist:
            book = book_details(isbn)
            if book != None: book.save()
            else: raise Book.DoesNotExist

    else:
        raise Book.DoesNotExist

    # Check that the item is not already in the wishlist
    user, created = User.objects.get_or_create(net_id=request.user.username)
    req_list = Request.objects.filter(user=user,
            status='o', book=book)
    if len(req_list) > 0:
        raise AlreadyInWishlist

    req = Request(user=user, book = book, status = 'o', maxprice = 0)
    req.save()

    return book
コード例 #2
0
ファイル: wishlist.py プロジェクト: cbutton9/USG-srv-dev
def process_add(request, form_data):
    '''Returns the added book if add is successful, None if the field is blank, 
    or raises Book.DoesNotExist if no such book is found'''

    form = AddForm(form_data)

    if not form.is_valid():
        raise Book.DoesNotExist

    # Clean up the ISBN, or stop if there has been no ISBN entered
    isbn = form.cleaned_data['add']
    if len(isbn) == 0: return None
    isbn = cleanisbn(isbn)

    # Get the book, or raise the exception that it does not exist
    if len(isbn) == 13:
        try:
            book = Book.objects.get(isbn13=isbn)
        except Book.DoesNotExist:
            book = book_details(isbn)
            if book != None: book.save()
            else: raise Book.DoesNotExist

    elif len(isbn) == 10:
        try:
            book = Book.objects.get(isbn10=isbn)
        except Book.DoesNotExist:
            book = book_details(isbn)
            if book != None: book.save()
            else: raise Book.DoesNotExist

    else:
        raise Book.DoesNotExist

    # Check that the item is not already in the wishlist
    user, created = User.objects.get_or_create(net_id=request.user.username)
    req_list = Request.objects.filter(user=user, status='o', book=book)
    if len(req_list) > 0:
        raise AlreadyInWishlist

    req = Request(user=user, book=book, status='o', maxprice=0)
    req.save()

    return book
コード例 #3
0
ファイル: buy.py プロジェクト: cbutton9/USG-srv-dev
def buy(request):
    """Controller for /buy. Inputs: user session, an offer ID.
    Outputs: a pending offer, a pending request, confirmation emails,
    and capitalism."""

    buyer, created = User.objects.get_or_create(net_id=request.user.username)
    if not buyer:
        return render(request, 'ptx/needlogin.html', {
            'header_text': 'Buy a book',
            'redirect_url': '/'
        })

    if not request.method == "POST":
        return HttpResponseRedirect('/')

    offerid = request.POST.get("offer_id")
    if not offerid or not offerid.isdigit():
        raise PermissionDenied()

    try:
        offer = Offer.objects.get(id=int(offerid))
    except Offer.DoesNotExist:
        # Terribly invalid offer ID, inconsistent with our code.
        return HttpResponseRedirect(u'/browse')

    data = dict(offer=offer)
    today = date.today()

    # Offers must be open.
    if offer.status != 'o':
        # this shouldn't happen. TODO: do something reasonable
        return render(request, "ptx/alreadybought.html", data)

    # Prevent a person from buying his own book.
    if offer.user == buyer:
        return render(request, "ptx/yourownbook.html", data)

    # Change offer to pending.
    offer.status = 'p'
    offer.date_pending = today
    offer.save()

    # Check if a request exists already.
    requests = Request.objects.filter(
        Q(user=buyer)
        & Q(status='o')
        & Q(book=offer.book))
    if len(requests) > 0:
        # Update the request instead.
        req = requests[0]
        req.maxprice = offer.price
        req.date_pending = today
        req.status = 'p'
        req.offer = offer
        req.save()
    else:
        # Otherwise, create a new pending request.
        req = Request(user=buyer,
                      book=offer.book,
                      status='p',
                      maxprice=offer.price,
                      date_open=today,
                      date_pending=today,
                      offer=offer)
        req.save()

    seller = offer.user

    # Email the seller. ####################
    emailto = [seller.net_id + u"@princeton.edu"]
    emailsubject = u"PTX: Your book has been purchased!"
    emailfrom = u"*****@*****.**"

    buyerclause = u"The buyer"
    if len(buyer.first_name) > 0 and len(buyer.last_name) > 0:
        args = buyer.first_name, buyer.last_name
        buyerclause = u"The buyer, %s %s," % args

    buyerdorm = u""
    if len(buyer.dorm_name) > 0 and len(buyer.dorm_room) > 0:
        args = buyer.dorm_name, buyer.dorm_room
        buyerdorm = u"The buyer lives in %s %s. " % args

    args = offer.book.title, offer.price, buyerclause, buyer.net_id, buyerdorm
    emailmessage = u"""\
Your book "%s" has just been purchased for $%s. %s can be reached at \
<*****@*****.**>. %sPlease contact him or her and complete the \
transaction. Please do not reply to this email; our robots disdain \
communication with humans.""" % args
    send_mail(emailsubject, emailmessage, emailfrom, emailto)

    # Email the buyer. ####################
    emailto = [buyer.net_id + u"@princeton.edu"]
    emailsubject = u"PTX: You purchased a book!"
    emailfrom = u"*****@*****.**"

    sellerclause = u"The seller "
    if len(seller.first_name) > 0 and len(seller.last_name) > 0:
        args = seller.first_name, seller.last_name
        sellerclause = u"The seller, %s %s," % args

    sellerdorm = u""
    if len(seller.dorm_name) > 0 and len(seller.dorm_room) > 0:
        args = seller.dorm_name, seller.dorm_room
        sellerdorm = u"The seller lives in %s %s. " % args

    args = offer.book.title, offer.price, sellerclause, seller.net_id, sellerdorm
    emailmessage = u"""\
You just purchased "%s" for $%s. %s can be reached at \
<*****@*****.**>. %sPlease contact him or her and complete the \
transaction. Please do not reply to this email; our robots have little \
training in the inferior language of "English".""" % args
    send_mail(emailsubject, emailmessage, emailfrom, emailto)

    # Thank you page. ####################
    return render(request, 'ptx/buy.html', data)
コード例 #4
0
ファイル: buy.py プロジェクト: PrincetonUSG/USG-srv-dev
def buy(request):
    """Controller for /buy. Inputs: user session, an offer ID.
    Outputs: a pending offer, a pending request, confirmation emails,
    and capitalism."""

    buyer, created = User.objects.get_or_create(net_id=request.user.username)
    if not buyer:
        return render(request, 'ptx/needlogin.html',
                                  {'header_text': 'Buy a book',
                                   'redirect_url': '/'} )

    if not request.method == "POST":
        return HttpResponseRedirect('/')

    offerid = request.POST.get("offer_id")
    if not offerid or not offerid.isdigit():
        raise PermissionDenied()

    try:
        offer = Offer.objects.get(id=int(offerid))
    except Offer.DoesNotExist:
        # Terribly invalid offer ID, inconsistent with our code.
        return HttpResponseRedirect(u'/browse')

    data  = dict(offer=offer)
    today = date.today()

    # Offers must be open.
    if offer.status != 'o':
        # this shouldn't happen. TODO: do something reasonable
        return render(request, "ptx/alreadybought.html", data)

    # Prevent a person from buying his own book.
    if offer.user == buyer:
        return render(request, "ptx/yourownbook.html", data)

    # Change offer to pending.
    offer.status = 'p'
    offer.date_pending = today
    offer.save()

    # Check if a request exists already.
    requests = Request.objects.filter(Q(user=buyer)
                                      & Q(status='o')
                                      & Q(book=offer.book))
    if len(requests) > 0:
        # Update the request instead.
        req = requests[0]
        req.maxprice = offer.price
        req.date_pending = today
        req.status = 'p'
        req.offer = offer
        req.save()
    else:
        # Otherwise, create a new pending request.
        req = Request(user=buyer, book=offer.book, status='p',
                  maxprice=offer.price, date_open=today,
                  date_pending=today, offer=offer)
        req.save()

    seller = offer.user

    # Email the seller. ####################
    emailto = [seller.net_id + u"@princeton.edu"]
    emailsubject = u"PTX: Your book has been purchased!"
    emailfrom = u"*****@*****.**"

    buyerclause = u"The buyer"
    if len(buyer.first_name) > 0 and len(buyer.last_name) > 0:
        args = buyer.first_name, buyer.last_name
        buyerclause = u"The buyer, %s %s," % args

    buyerdorm = u""
    if len(buyer.dorm_name) > 0 and len(buyer.dorm_room) > 0:
        args = buyer.dorm_name, buyer.dorm_room
        buyerdorm = u"The buyer lives in %s %s. " % args

    args = offer.book.title, offer.price, buyerclause, buyer.net_id, buyerdorm
    emailmessage = u"""\
Your book "%s" has just been purchased for $%s. %s can be reached at \
<*****@*****.**>. %sPlease contact him or her and complete the \
transaction. Please do not reply to this email; our robots disdain \
communication with humans.""" % args
    send_mail(emailsubject, emailmessage, emailfrom, emailto)

    # Email the buyer. ####################
    emailto = [buyer.net_id + u"@princeton.edu"]
    emailsubject = u"PTX: You purchased a book!"
    emailfrom = u"*****@*****.**"

    sellerclause = u"The seller "
    if len(seller.first_name) > 0 and len(seller.last_name) > 0:
        args = seller.first_name, seller.last_name
        sellerclause = u"The seller, %s %s," % args

    sellerdorm = u""
    if len(seller.dorm_name) > 0 and len(seller.dorm_room) > 0:
        args = seller.dorm_name, seller.dorm_room
        sellerdorm = u"The seller lives in %s %s. " % args

    args = offer.book.title, offer.price, sellerclause, seller.net_id, sellerdorm
    emailmessage = u"""\
You just purchased "%s" for $%s. %s can be reached at \
<*****@*****.**>. %sPlease contact him or her and complete the \
transaction. Please do not reply to this email; our robots have little \
training in the inferior language of "English".""" % args
    send_mail(emailsubject, emailmessage, emailfrom, emailto)

    # Thank you page. ####################
    return render(request, 'ptx/buy.html', data)
コード例 #5
0
ファイル: request.py プロジェクト: cbutton9/USG-srv-dev
def process(request, step, ticket):
    # this function only processes POST requests
    if request.method != 'POST':
        raise PermissionDenied()

    step = int(step)

    if step == ChooseCourseForm.PROC:
        form = ChooseCourseForm(request.POST)

        if form.is_valid():
            # break down the course input
            course = form.cleaned_data['course']
            m = COURSE.match(course).groups()
            course_dept = m[0].upper()
            course_num = int(m[1])

            # does it exist? if not, add it
            # TODO: MORE CHECKING HERE FOR INVALID DEPARTMENTS, ETC
            course_list = Course.objects.filter(dept__exact=course_dept,
                                                num__exact=course_num)
            if len(course_list) == 1:
                c = course_list[0]
            elif len(course_list) == 0:
                c = Course(dept=course_dept, num=course_num)
                c.save()
            else:
                # This can't really happen
                raise PermissionDenied

            # save the internal course id for later
            request.session['request_course_' + ticket] = c

            # show the list of books for the course
            return render_form(ChooseBookForm(c), '', ticket, request)

        else:
            return render_form(ChooseCourseForm(request.POST), '', ticket,
                               request)

    elif step == ChooseBookForm.PROC:
        course = request.session['request_course_' + ticket]
        form = ChooseBookForm(course, request.POST)

        if form.is_valid():
            isbn_from_db = form.cleaned_data['isbn_from_db']
            isbn_from_user = form.cleaned_data['isbn_from_user']

            if isbn_from_db != None:
                # book exists already, let the user list this book
                request.session['request_book_' + ticket] = isbn_from_db
                return render_form(RequestForm(), '', ticket, request)

            elif isbn_from_user != None:
                # check if book exists in DB, just not associated with that class
                if Book.objects.filter(isbn13=isbn_from_user).count() == 0:
                    # book does not exist, let the user create it
                    #form = AddBookForm()
                    #form.fields['isbn13'].initial = isbn_from_user
                    bookinfo = book_details(isbn_from_user)
                    if bookinfo == None:
                        return render_form(form, '', ticket, request)
                    else:
                        set_ticket_attr(request, ticket, 'bookinfo', bookinfo)
                        return render_bookinfo(bookinfo, ticket, request)
                else:
                    # book needs new class reference added.
                    book = Book.objects.get(isbn13=isbn_from_user)
                    book.course.add(course)
                    book.save()
                    request.session['request_book_' + ticket] = book
                    return render_form(RequestForm(), '', ticket, request)

            else:
                # no book chosen, go back and make the user choose a book
                return render_form(form, '', ticket, request)

        else:
            return render_form(form, '', ticket, request)

    elif step == PROCESS_ADD_BOOK:
        bookinfo = get_ticket_attr(request, ticket, 'bookinfo')

        # TODO: MAKE SURE AGAIN THAT THE ISBN IS NOT ALREADY IN THE DATABASE
        book = Book(isbn13=bookinfo['isbn13'],
                    isbn10=bookinfo['isbn10'],
                    title=bookinfo['title'],
                    desc='',
                    author=bookinfo['author'],
                    edition=bookinfo['edition'],
                    year=bookinfo['year'],
                    publisher=bookinfo['publisher'],
                    list_price=0,
                    imagename=bookinfo['img_name'])

        course = request.session['request_course_' + ticket]
        book.course.add(course)
        book.save()

        request.session['request_book_' + ticket] = book

        return render_form(RequestForm(), '', ticket, request)

    elif step == RequestForm.PROC:
        form = RequestForm(request.POST)
        if form.is_valid():
            f = form.cleaned_data

            book = request.session['request_book_' + ticket]
            user, created = User.objects.get_or_create(
                net_id=request.user.username)
            maxprice = form.cleaned_data['maxprice']
            the_request = Request(book=book, user=user, maxprice=maxprice)

            the_request.save()

            reset_request_session(request, ticket)

            # redirect to thank you page
            return HttpResponseRedirect('/request/thankyou?b=%s' % (book))

        else:
            return render_form(form, '', ticket, request)

    return HttpResponse(step)
コード例 #6
0
ファイル: request.py プロジェクト: PrincetonUSG/USG-srv-dev
def process(request, step, ticket):
    # this function only processes POST requests
    if request.method != 'POST':
        raise PermissionDenied()

    step = int(step)

    if step == ChooseCourseForm.PROC:
        form = ChooseCourseForm(request.POST)

        if form.is_valid():
            # break down the course input
            course = form.cleaned_data['course']
            m = COURSE.match(course).groups()
            course_dept = m[0].upper()
            course_num = int(m[1])

            # does it exist? if not, add it
            # TODO: MORE CHECKING HERE FOR INVALID DEPARTMENTS, ETC
            course_list = Course.objects.filter(dept__exact=course_dept, num__exact=course_num)
            if len(course_list) == 1:
                c = course_list[0]
            elif len(course_list) == 0:
                c = Course(dept=course_dept, num=course_num)
                c.save()
            else:
                # This can't really happen
                raise PermissionDenied

            # save the internal course id for later
            request.session['request_course_' + ticket] = c

            # show the list of books for the course
            return render_form(ChooseBookForm(c), '', ticket, request)

        else:
            return render_form(ChooseCourseForm(request.POST), '', ticket, request)

    elif step == ChooseBookForm.PROC:
        course = request.session['request_course_' + ticket]
        form = ChooseBookForm(course, request.POST)

        if form.is_valid():
            isbn_from_db = form.cleaned_data['isbn_from_db']
            isbn_from_user = form.cleaned_data['isbn_from_user']

            if isbn_from_db != None:
                # book exists already, let the user list this book
                request.session['request_book_' + ticket] = isbn_from_db
                return render_form(RequestForm(), '', ticket, request)

            elif isbn_from_user != None:
                # check if book exists in DB, just not associated with that class
                if Book.objects.filter(isbn13=isbn_from_user).count() == 0:
                    # book does not exist, let the user create it
                    #form = AddBookForm()
                    #form.fields['isbn13'].initial = isbn_from_user
                    bookinfo = book_details(isbn_from_user)
                    if bookinfo == None:
                        return render_form(form, '', ticket, request)
                    else:
                        set_ticket_attr(request, ticket, 'bookinfo', bookinfo)
                        return render_bookinfo(bookinfo, ticket, request)
                else:
                    # book needs new class reference added.
                    book = Book.objects.get(isbn13=isbn_from_user)
                    book.course.add(course)
                    book.save()
                    request.session['request_book_' + ticket] = book
                    return render_form(RequestForm(), '', ticket, request)

            else:
                # no book chosen, go back and make the user choose a book
                return render_form(form, '', ticket, request)

        else:
            return render_form(form, '', ticket, request)

    elif step == PROCESS_ADD_BOOK:
        bookinfo = get_ticket_attr(request, ticket, 'bookinfo')

        # TODO: MAKE SURE AGAIN THAT THE ISBN IS NOT ALREADY IN THE DATABASE
        book = Book(
                isbn13  = bookinfo['isbn13'],
                isbn10  = bookinfo['isbn10'],
                title   = bookinfo['title'],
                desc  = '',
                author  = bookinfo['author'],
                edition  = bookinfo['edition'],
                year   = bookinfo['year'],
                publisher   = bookinfo['publisher'],
                list_price   = 0,
                imagename = bookinfo['img_name'])

        course = request.session['request_course_' + ticket]
        book.course.add(course)
        book.save()

        request.session['request_book_' + ticket] = book

        return render_form(RequestForm(), '', ticket, request)

    elif step == RequestForm.PROC:
        form = RequestForm(request.POST)
        if form.is_valid():
            f = form.cleaned_data

            book = request.session['request_book_' + ticket]
            user, created = User.objects.get_or_create(net_id=request.user.username)
            maxprice = form.cleaned_data['maxprice']
            the_request = Request(
                    book=book,
                    user=user,
                    maxprice=maxprice)

            the_request.save()

            reset_request_session(request, ticket)

            # redirect to thank you page
            return HttpResponseRedirect('/request/thankyou?b=%s' % (book))

        else:
            return render_form(form, '', ticket, request)

    return HttpResponse(step)