def make_dues17_reversal_invoice_pdf(request):
"""
This view checks supplied information (in URL) against info in database
-- especially the invoice number --
and conditionally returns
- an error message or
- a PDF
"""
token = request.matchdict['code']
invoice_number = request.matchdict['no']
try:
member = C3sMember.get_by_dues17_token(token)
assert member is not None
assert member.dues17_token == token
except AssertionError:
request.session.flash(
u"This member and token did not match!",
'message_to_user' # message queue for user
)
return HTTPFound(request.route_url('error_page'))
try:
invoice = Dues17Invoice.get_by_invoice_no(invoice_number)
assert invoice is not None
except AssertionError:
request.session.flash(
u"No invoice found!",
'message_to_user' # message queue for user
)
return HTTPFound(request.route_url('error_page'))
# sanity check: invoice token must match with token
try:
assert (invoice.token == token)
except AssertionError:
request.session.flash(
u"Token did not match!",
'message_to_user' # message queue for user
)
return HTTPFound(request.route_url('error_page'))
# sanity check: reversal invoice token must be reversal
try:
assert (invoice.is_reversal)
except AssertionError:
request.session.flash(
u"No reversal invoice found!",
'message_to_user' # message queue for user
)
return HTTPFound(request.route_url('error_page'))
# return a pdf file
pdf_file = make_reversal_pdf_pdflatex(member, invoice)
response = Response(content_type='application/pdf')
pdf_file.seek(0) # rewind to beginning
response.app_iter = open(pdf_file.name, "r")
return response
def make_dues17_invoice_no_pdf(request):
"""
Create invoice PDFs on-the-fly.
This view checks supplied information (in URL) against info in database
and returns
- an error message OR
- a PDF as receipt
=== ===========================================================
URL http://app:port/dues_invoice_no/EMAIL/CAQJGCGUFW/C3S-dues17-0001.pdf
=== ===========================================================
"""
token = request.matchdict['code']
invoice_number = request.matchdict['i']
try:
member = C3sMember.get_by_dues17_token(token)
assert member is not None
assert member.dues17_token == token
except AssertionError:
request.session.flash(
u"This member and token did not match!",
'message_to_user' # message queue for user
)
return HTTPFound(request.route_url('error_page'))
try:
invoice = Dues17Invoice.get_by_invoice_no(invoice_number.lstrip('0'))
assert invoice is not None
except AssertionError:
request.session.flash(
u"No invoice found!",
'message_to_user' # message queue for user
)
return HTTPFound(request.route_url('error_page'))
# sanity check: invoice token must match with token
try:
assert (invoice.token == token)
except AssertionError:
request.session.flash(
u"Token did not match!",
'message_to_user' # message queue for user
)
return HTTPFound(request.route_url('error_page'))
# sanity check: invoice must not be reversal
try:
assert (not invoice.is_reversal)
except AssertionError:
request.session.flash(
u"Token did not match!",
'message_to_user' # message queue for user
)
return HTTPFound(request.route_url('error_page'))
# return a pdf file
pdf_file = make_invoice_pdf_pdflatex(member, invoice)
response = Response(content_type='application/pdf')
pdf_file.seek(0) # rewind to beginning
response.app_iter = open(pdf_file.name, "r")
return response
