def cancelPayment(request, pmtId):
userNode = checkLogin(request)
if not userNode: return HttpResponseRedirect('/login/?redirect=%s' % request.path)
if not Payment.objects.filter(pk=pmtId).count() > 0:
return HttpResponseRedirect('/payments/')
pmt = Payment.objects.get(pk=pmtId)
if pmt.payer_id != userNode.id:
return HttpResponseRedirect('/payments/')
if pmt.status not in ('RQ', 'PE'): # requested, pending
return HttpResponseRedirect('/payments/')
if pmt.status == 'RQ':
pmt.status = 'RF' # refused
# *** todo: Send refusal email to requester.
t = template_loader.get_template('emailPmtRequestRefused.txt')
c = RequestContext(request, {'req': pmt})
sendEmail("Payment request refusal notification", t.render(c),
pmt.recipient.getPrimaryEmail())
else:
pmt.status = 'CA' # cancelled
pmt.save()
request.session['infos'] = ["Payment cancelled."]
return HttpResponseRedirect('/payments/')
def cancelPayment(request, pmtId):
userNode = checkLogin(request)
if not userNode:
return HttpResponseRedirect('/login/?redirect=%s' % request.path)
if not Payment.objects.filter(pk=pmtId).count() > 0:
return HttpResponseRedirect('/payments/')
pmt = Payment.objects.get(pk=pmtId)
if pmt.payer_id != userNode.id:
return HttpResponseRedirect('/payments/')
if pmt.status not in ('RQ', 'PE'): # requested, pending
return HttpResponseRedirect('/payments/')
if pmt.status == 'RQ':
pmt.status = 'RF' # refused
# *** todo: Send refusal email to requester.
t = template_loader.get_template('emailPmtRequestRefused.txt')
c = RequestContext(request, {'req': pmt})
sendEmail("Payment request refusal notification", t.render(c),
pmt.recipient.getPrimaryEmail())
else:
pmt.status = 'CA' # cancelled
pmt.save()
request.session['infos'] = ["Payment cancelled."]
return HttpResponseRedirect('/payments/')
def new_ad(request):
userNode = checkLogin(request)
if not userNode:
return HttpResponseRedirect('/login/?redirect=%s' % request.path)
d = {}
if request.method == 'POST':
errors = []
if not request.POST.get('title'):
errors.append('Your post must have a subject.')
if not request.POST.get('text'):
errors.append('Your post must have a body.')
if not errors:
ad = Advertisement(user=userNode,
title=request.POST['title'],
text=request.POST['text'])
ad.save()
request.session['infos'] = ['Your new post has been added.']
return HttpResponseRedirect('../')
else:
d['values'] = request.POST
d['infos'] = errors
d['infos'] = getSessionInfos(request)
return render_to_response('new_ad.html',
d,
context_instance=RequestContext(request))
def accountAction(request, acctId, action):
userNode = checkLogin(request)
if not userNode: return HttpResponseRedirect('/accounts/%s/' % acctId)
if request.method == 'POST':
if request.POST['submit'] == 'Cancel':
return HttpResponseRedirect('/accounts/%s/' % acctId)
if Account.objects.filter(pk=acctId).count() == 0:
return HttpResponseRedirect('/accounts/')
acct = Account.objects.get(pk=acctId)
if acct.owner_id != userNode.id:
return HttpResponseRedirect('/accounts/')
if action == 'close':
sharedData = acct.shared_data
if abs(sharedData.balance) >= 0.005:
request.session['infos'] = ["Account balance must be zero before it can be closed."]
return HttpResponseRedirect('/accounts/%d/' % acct.id)
# to be sure a transaction doesn't hit this account before it gets
# deactivated, set limits to zero, save, and then check for zero balance again
myIOULimit = acct.iou_limit
partnerAcct = acct.get_partner_acct()
partnerIOULimit = partnerAcct.iou_limit
acct.iou_limit = 0.0
acct.save()
partnerAcct.iou_limit = 0.0
partnerAcct.save()
if abs(sharedData.balance) >= 0.005:
request.session['infos'] = ["Account balance must be zero before it can be closed."]
# restore limits on accts
acct.iou_limit = myIOULimit
acct.save()
partnerAcct.iou_limit = partnerIOULimit
partnerAcct.save()
return HttpResponseRedirect('/accounts/%d/' % acct.id)
# now it's impossible for a transaction to change the balance, and the balance is zero, so:
sharedData.active = False
sharedData.save()
# notify user
request.session['infos'] = ["Account %d (%s) closed." % (sharedData.id, acct.name)]
# notify partner by email
note = ''
if request.method == 'POST':
note = request.POST['note']
t = template_loader.get_template('emailAcctClosed.txt')
c = RequestContext(request, {'acct':partnerAcct, 'note':note})
sendEmail("One of your accounts has been closed", t.render(c), acct.partner.getPrimaryEmail())
pass
return HttpResponseRedirect('/accounts/')
def paymentDetail(request, pmtId):
userNode = checkLogin(request)
if not userNode: return HttpResponseRedirect('/login/?redirect=%s' % request.path)
if Payment.objects.filter(pk=pmtId).count() == 0:
return HttpResponseRedirect('/summary')
pmt = Payment.objects.get(pk=pmtId)
if pmt.status != 'OK':
return HttpResponseRedirect('/summary')
d = {}
# get any messages from session
d['infos'] = getSessionInfos(request)
# get every payment link that touches this user
inLinks = PaymentLink.objects.filter(path__payment=pmtId, payer_account__partner=userNode)
outLinks = PaymentLink.objects.filter(path__payment=pmtId, payer_account__owner=userNode)
if pmt.payer_id == userNode.id:
assert outLinks, "User %d is payer for payment %d, but has no outgoing payment links." % (userNode.id, pmt.id)
d['outPayment'] = True
elif pmt.recipient_id == userNode.id:
assert inLinks, "User is %d is recipient for payment %d, but has no incoming payment links." % (userNode.id, pmt.id)
d['inPayment'] = True
elif inLinks and outLinks:
d['thruPayment'] = True
else: # user should have no links at all
assert not inLinks and not outLinks, "User %d is an intermediary for payment %d, but does not have both incoming and outgoing links." % (userNode.id, pmt.id)
return HttpResponseRedirect('/summary')
inAccts = []
for link in inLinks:
acct = link.payer_account.get_partner_acct()
if acct in inAccts: # fetch copy we already have and add to numbers
acct = inAccts[inAccts.index(acct)]
acct.inEntry += link.amount
else:
acct.inEntry = link.amount
inAccts.append(acct)
outAccts = []
for link in outLinks:
acct = link.payer_account
if acct in outAccts: # fetch copy we already have and add to numbers
acct = outAccts[outAccts.index(acct)]
acct.outEntry += link.amount
else:
acct.outEntry = link.amount
outAccts.append(acct)
d['pmt'] = pmt
d['inAccts'] = inAccts
d['outAccts'] = outAccts
return render_to_response('paymentDetail.html', d, context_instance=RequestContext(request))
def main(request):
"Market front page. View all ads in the last 30 days for now."
userNode = checkLogin(request)
if not userNode: return HttpResponseRedirect('/login/?redirect=%s' % request.path)
d = {}
cutoff_date = datetime.now() - timedelta(days=30)
ads = Advertisement.objects.filter(posted_date__gt=cutoff_date)
ads = ads.order_by('-posted_date')
d['ads'] = ads
d['infos'] = getSessionInfos(request)
return render_to_response('ad_list.html', d, context_instance=RequestContext(request))
def confirmClose(request, acctId):
userNode = checkLogin(request)
if not userNode: return HttpResponseRedirect('/login/?redirect=%s' % request.path)
if not Account.objects.filter(pk=acctId).count() > 0:
return HttpResponseRedirect('/accounts/')
d = {}
d['acct'] = Account.objects.get(pk=acctId)
if d['acct'].owner_id != userNode.id:
return HttpResponseRedirect('/accounts/')
return render_to_response('confirmClose.html', d, context_instance=RequestContext(request))
def pay(request, pmtId):
"""Transfer credit to somebody else's node"""
userNode = checkLogin(request)
if not userNode:
return HttpResponseRedirect('/login/?redirect=/payments/%s/confirm/' %
pmtId)
if not request.POST:
return HttpResponseRedirect('/payments/')
if not Payment.objects.filter(pk=pmtId).count() > 0:
return HttpResponseRedirect('/payments/')
pmt = Payment.objects.get(pk=pmtId)
if pmt.payer_id != userNode.id:
return HttpResponseRedirect('/payments/')
if pmt.status != 'PE': # pending
return HttpResponseRedirect('/payments/')
# make payment
maxNodes = 1e20 # infinite - search all nodes
collisions = 3
while True: # retry until break or return
try:
performPayment(pmt, maxNodes=maxNodes)
message = "Successfully paid %s %.2f to %s." % (
pmt.currency.short_name, pmt.amount, escape(
pmt.recipient_email))
request.session['infos'] = [message]
sendPaymentEmails(pmt, request)
break
except PaymentError, e:
print e
if e.retry and collisions > 0: # retry
collisions -= 1
else: # quit
if collisions == 0:
request.session['infos'] = [
'Credit found, but payment transaction still not able to be committed after four attempts. May be due to high system activity.'
]
else:
request.session['infos'] = [e.message]
if e.retry:
request.session['infos'].append(
'<a href="/payments/%d/edit/">Click here to retry.</a>'
% pmt.id)
elif e.amountLacking <> pmt.amount:
request.session['infos'].append(
'<a href="/payments/%d/edit/">Click here to retry with a smaller amount.</a>'
% pmt.id)
break
def main(request):
"Market front page. View all ads in the last 30 days for now."
userNode = checkLogin(request)
if not userNode:
return HttpResponseRedirect('/login/?redirect=%s' % request.path)
d = {}
cutoff_date = datetime.now() - timedelta(days=30)
ads = Advertisement.objects.filter(posted_date__gt=cutoff_date)
ads = ads.order_by('-posted_date')
d['ads'] = ads
d['infos'] = getSessionInfos(request)
return render_to_response('ad_list.html',
d,
context_instance=RequestContext(request))
def rejectionNote(request, offerId):
userNode = checkLogin(request)
if not userNode: return HttpResponseRedirect('/login/?redirect=%s' % request.path)
if Offer.objects.filter(pk=offerId).count() == 0:
request.session['infos'] = ["Offer has been withdrawn by the sender."]
return HttpResponseRedirect('/summary/')
offer = Offer.objects.get(pk=offerId)
if offer.recipient_email not in getEmails(userNode):
return HttpResponseRedirect('/summary/')
d = {'offer': offer}
return render_to_response('rejectionNote.html', d, context_instance=RequestContext(request))
def accountList(request):
userNode = checkLogin(request)
if not userNode: return HttpResponseRedirect('/login/?redirect=%s' % request.path)
d = {}
d['infos'] = getSessionInfos(request)
d['accountCurrencies'] = getAccountsSummary(userNode)
# outstanding offers of credit received/made
d['receivedOffers'] = Offer.objects.filter(recipient_email__in=getEmails(userNode)).order_by('-id')
d['sentOffers'] = userNode.sent_offer_set.order_by('-id')
d['rateProposals'] = getRateProposalAccts(userNode)
return render_to_response('accountList.html', d, context_instance=RequestContext(request))
def confirmClose(request, acctId):
userNode = checkLogin(request)
if not userNode:
return HttpResponseRedirect('/login/?redirect=%s' % request.path)
if not Account.objects.filter(pk=acctId).count() > 0:
return HttpResponseRedirect('/accounts/')
d = {}
d['acct'] = Account.objects.get(pk=acctId)
if d['acct'].owner_id != userNode.id:
return HttpResponseRedirect('/accounts/')
return render_to_response('confirmClose.html',
d,
context_instance=RequestContext(request))
def paymentList(request):
d = {}
userNode = checkLogin(request)
if not userNode: return HttpResponseRedirect('/login/?redirect=%s' % request.path)
d['infos'] = getSessionInfos(request)
d['userNode'] = userNode
d['payments'] = Payment.objects.filter(Q(payer=userNode) | Q(recipient=userNode), status='OK').order_by('-date')
prepPaymentsForDisplay(d['payments'], userNode)
d['receivedPaymentRequests'] = Payment.objects.filter(payer=userNode, status='RQ'
).order_by('-date')
d['sentPaymentRequests'] = Payment.objects.filter(recipient=userNode, status='RQ'
).order_by('-date')
return render_to_response('paymentList.html', d, context_instance=RequestContext(request))
def rejectionNote(request, offerId):
userNode = checkLogin(request)
if not userNode:
return HttpResponseRedirect('/login/?redirect=%s' % request.path)
if Offer.objects.filter(pk=offerId).count() == 0:
request.session['infos'] = ["Offer has been withdrawn by the sender."]
return HttpResponseRedirect('/summary/')
offer = Offer.objects.get(pk=offerId)
if offer.recipient_email not in getEmails(userNode):
return HttpResponseRedirect('/summary/')
d = {'offer': offer}
return render_to_response('rejectionNote.html',
d,
context_instance=RequestContext(request))
def interestRateAction(request, acctId, action):
"Accept or reject a rate-change proposal on an account."
userNode = checkLogin(request)
if not userNode: return HttpResponseRedirect('/login/?redirect=%s' % request.path)
if Account.objects.filter(owner=userNode, pk=acctId).count() == 0:
return HttpResponseRedirect('/accounts/')
acct = Account.objects.get(pk=acctId)
shared_data = acct.shared_data
if shared_data.proposed_rate <> None and shared_data.node_to_confirm_id == userNode.id:
if action == 'accept':
accept_proposed_rate(request, shared_data)
elif action == 'reject':
reject_proposed_rate(request, shared_data)
return HttpResponseRedirect('/accounts/%d/' % acct.id)
def view_ad(request, ad_id):
userNode = checkLogin(request)
if not userNode: return HttpResponseRedirect('/login/?redirect=%s' % request.path)
try:
ad = Advertisement.objects.get(pk=ad_id)
except Advertisement.DoesNotExist:
return HttpResponseRedirect('../')
d = {}
if request.method == 'POST':
# *** todo: actually send an email here.
request.session['infos'] = ['Your message has been sent to the seller.']
return HttpResponseRedirect('.')
d['ad'] = ad
d['infos'] = getSessionInfos(request)
return render_to_response('view_ad.html', d, context_instance=RequestContext(request))
def accountList(request):
userNode = checkLogin(request)
if not userNode:
return HttpResponseRedirect('/login/?redirect=%s' % request.path)
d = {}
d['infos'] = getSessionInfos(request)
d['accountCurrencies'] = getAccountsSummary(userNode)
# outstanding offers of credit received/made
d['receivedOffers'] = Offer.objects.filter(
recipient_email__in=getEmails(userNode)).order_by('-id')
d['sentOffers'] = userNode.sent_offer_set.order_by('-id')
d['rateProposals'] = getRateProposalAccts(userNode)
return render_to_response('accountList.html',
d,
context_instance=RequestContext(request))
def interestRateAction(request, acctId, action):
"Accept or reject a rate-change proposal on an account."
userNode = checkLogin(request)
if not userNode:
return HttpResponseRedirect('/login/?redirect=%s' % request.path)
if Account.objects.filter(owner=userNode, pk=acctId).count() == 0:
return HttpResponseRedirect('/accounts/')
acct = Account.objects.get(pk=acctId)
shared_data = acct.shared_data
if shared_data.proposed_rate <> None and shared_data.node_to_confirm_id == userNode.id:
if action == 'accept':
accept_proposed_rate(request, shared_data)
elif action == 'reject':
reject_proposed_rate(request, shared_data)
return HttpResponseRedirect('/accounts/%d/' % acct.id)
def pay(request, pmtId):
"""Transfer credit to somebody else's node"""
userNode = checkLogin(request)
if not userNode: return HttpResponseRedirect('/login/?redirect=/payments/%s/confirm/' % pmtId)
if not request.POST:
return HttpResponseRedirect('/payments/')
if not Payment.objects.filter(pk=pmtId).count() > 0:
return HttpResponseRedirect('/payments/')
pmt = Payment.objects.get(pk=pmtId)
if pmt.payer_id != userNode.id:
return HttpResponseRedirect('/payments/')
if pmt.status != 'PE': # pending
return HttpResponseRedirect('/payments/')
# make payment
maxNodes = 1e20 # infinite - search all nodes
collisions = 3
while True: # retry until break or return
try:
performPayment(pmt, maxNodes=maxNodes)
message = "Successfully paid %s %.2f to %s." % (pmt.currency.short_name, pmt.amount, escape(pmt.recipient_email))
request.session['infos'] = [message]
sendPaymentEmails(pmt, request)
break
except PaymentError, e:
print e
if e.retry and collisions > 0: # retry
collisions -= 1
else: # quit
if collisions == 0:
request.session['infos'] = ['Credit found, but payment transaction still not able to be committed after four attempts. May be due to high system activity.']
else:
request.session['infos'] = [e.message]
if e.retry:
request.session['infos'].append('<a href="/payments/%d/edit/">Click here to retry.</a>' % pmt.id)
elif e.amountLacking <> pmt.amount:
request.session['infos'].append('<a href="/payments/%d/edit/">Click here to retry with a smaller amount.</a>' % pmt.id)
break
def paymentList(request):
d = {}
userNode = checkLogin(request)
if not userNode:
return HttpResponseRedirect('/login/?redirect=%s' % request.path)
d['infos'] = getSessionInfos(request)
d['userNode'] = userNode
d['payments'] = Payment.objects.filter(Q(payer=userNode)
| Q(recipient=userNode),
status='OK').order_by('-date')
prepPaymentsForDisplay(d['payments'], userNode)
d['receivedPaymentRequests'] = Payment.objects.filter(
payer=userNode, status='RQ').order_by('-date')
d['sentPaymentRequests'] = Payment.objects.filter(
recipient=userNode, status='RQ').order_by('-date')
return render_to_response('paymentList.html',
d,
context_instance=RequestContext(request))
def confirmPayment(request, pmtId):
userNode = checkLogin(request)
if not userNode: return HttpResponseRedirect('/login/?redirect=%s' % request.path)
if not Payment.objects.filter(pk=pmtId).count() > 0:
return HttpResponseRedirect('/payments/')
pmt = Payment.objects.get(pk=pmtId)
if pmt.payer_id != userNode.id:
return HttpResponseRedirect('/payments/')
if pmt.status != 'PE': # pending
return HttpResponseRedirect('/payments/')
d = {}
d['pmt'] = Payment.objects.get(pk=pmtId)
if d['pmt'].payer_id != userNode.id:
return HttpResponseRedirect('/payments/')
return render_to_response('confirmPayment.html', d, context_instance=RequestContext(request))
def view_ad(request, ad_id):
userNode = checkLogin(request)
if not userNode:
return HttpResponseRedirect('/login/?redirect=%s' % request.path)
try:
ad = Advertisement.objects.get(pk=ad_id)
except Advertisement.DoesNotExist:
return HttpResponseRedirect('../')
d = {}
if request.method == 'POST':
# *** todo: actually send an email here.
request.session['infos'] = [
'Your message has been sent to the seller.'
]
return HttpResponseRedirect('.')
d['ad'] = ad
d['infos'] = getSessionInfos(request)
return render_to_response('view_ad.html',
d,
context_instance=RequestContext(request))
def new_ad(request):
userNode = checkLogin(request)
if not userNode: return HttpResponseRedirect('/login/?redirect=%s' % request.path)
d = {}
if request.method == 'POST':
errors = []
if not request.POST.get('title'):
errors.append('Your post must have a subject.')
if not request.POST.get('text'):
errors.append('Your post must have a body.')
if not errors:
ad = Advertisement(user=userNode,
title=request.POST['title'],
text=request.POST['text'])
ad.save()
request.session['infos'] = ['Your new post has been added.']
return HttpResponseRedirect('../')
else:
d['values'] = request.POST
d['infos'] = errors
d['infos'] = getSessionInfos(request)
return render_to_response('new_ad.html', d, context_instance=RequestContext(request))
def confirmPayment(request, pmtId):
userNode = checkLogin(request)
if not userNode:
return HttpResponseRedirect('/login/?redirect=%s' % request.path)
if not Payment.objects.filter(pk=pmtId).count() > 0:
return HttpResponseRedirect('/payments/')
pmt = Payment.objects.get(pk=pmtId)
if pmt.payer_id != userNode.id:
return HttpResponseRedirect('/payments/')
if pmt.status != 'PE': # pending
return HttpResponseRedirect('/payments/')
d = {}
d['pmt'] = Payment.objects.get(pk=pmtId)
if d['pmt'].payer_id != userNode.id:
return HttpResponseRedirect('/payments/')
return render_to_response('confirmPayment.html',
d,
context_instance=RequestContext(request))
def paymentForm(request, pmtId=None, otherUserId=None, is_request=False):
userNode = checkLogin(request)
if not userNode: return HttpResponseRedirect('/login/?redirect=%s' % request.path)
errors = []
d = {}
if request.method == 'POST': # get post data and attempt payment
email = request.POST['email']
d['email'] = email # for maintaining form value in case of error
if EmailAddr.objects.filter(email=email, confirmed=True).count() == 0:
errors.append("Email '%s' does not belong to any Ripple user,"
"or has not yet been confirmed." % escape(email))
else:
emailAddr = EmailAddr.objects.get(email=email)
otherUser = emailAddr.node
if otherUser == userNode:
action = is_request and 'request payment from' or 'pay'
errors.append("You can't %s yourself." % action)
amountStr = request.POST['amount']
d['amount'] = amountStr
try:
amount = float(amountStr)
if amount <= 0.0:
raise Exception
except:
errors.append("Amount must be a positive number. '%s' is not valid." % escape(amountStr))
currencyName = request.POST['currency'] # this should be OK, since it's from a generated list
currency = CurrencyUnit.objects.get(short_name=currencyName)
d['selectedUnitId'] = currency.id
d['description'] = request.POST['description']
if not errors:
# check for enough credit
available = availableCredit(userNode, currency, incoming=is_request)
if available < amount:
action = is_request and 'request' or 'make'
errors.append("You do not have enough available credit to %s payment. "
"Available: %s %.2f." % (action, currency.short_name, available))
if availableCredit(otherUser, currency, incoming=not is_request) < amount:
if is_request:
pass # Other user might get more credit to fulfill request
else:
errors.append("Your intended recipient has not offered enough credit "
"to receive your payment.")
pmt = None
if request.POST['pmtId'] != 'None':
pmt = Payment.objects.get(pk=request.POST['pmtId'])
# Check if user can edit
if (not is_request and pmt.payer_id != userNode.id) or \
(is_request and pmt.recipient_id != userNode.id):
return HttpResponseRedirect('/payments/')
if pmt.status == 'OK': # can't edit completed payment
d = {'message':'Payment has already been completed.', 'link':'/payments/'}
return render_to_response('error.html', d, context_instance=RequestContext(request))
d['pmtId'] = pmt.id # in case of errors, re-post pmtId
if not errors:
payer = is_request and otherUser or userNode
recipient = is_request and userNode or otherUser
if pmt is None:
pmt = Payment() # Create new Payment.
pmt.payer = payer
pmt.payer_email = is_request and email or payer.getPrimaryEmail()
pmt.recipient = recipient
pmt.recipient_email = is_request and recipient.getPrimaryEmail() or email
pmt.amount = amount
pmt.currency = currency
pmt.date = datetime.now()
pmt.status = is_request and 'RQ' or 'PE'
pmt.description = d['description']
pmt.save()
if is_request:
# Send payment request email
t = template_loader.get_template('emailPmtRequestReceived.txt')
c = RequestContext(request, {'req': pmt})
sendEmail("Payment request notification", t.render(c), pmt.payer_email)
request.session['infos'] = ["Your payment request has been recorded "
"and a notification email sent to the payer."]
return HttpResponseRedirect('/payments/')
else: # Go to payment confirmation page
return HttpResponseRedirect('/payments/%s/confirm/' % pmt.id)
# present make payment form
d['infos'] = errors
if otherUserId: # paying a specific user - URL = payUser/id/
if Node.objects.filter(pk=otherUserId).count() > 0 and userNode.id != otherUserId:
d['email'] = Node.objects.get(pk=otherUserId).getPrimaryEmail()
if pmtId: # editing a pending payment from DB - URL = paymentForm/id/
if Payment.objects.filter(pk=pmtId).count() > 0:
pmt = Payment.objects.get(pk=pmtId)
if pmt.status == 'OK': # can't edit completed payment
d = {'message':'Payment has already been completed.', 'link':'/payments/'}
return render_to_response('error.html', d, context_instance=RequestContext(request))
d['email'] = is_request and pmt.payer_email or pmt.recipient_email
d['amount'] = pmt.amount
d['selectedUnitId'] = pmt.currency_id
d['description'] = pmt.description
d['pmtId'] = pmtId
d['paymentUnits'] = makeUnitsList(userNode)
# set selected units to account units, if paying account partner, or to default units
if not d.has_key('selectedUnitId'):
if otherUserId and userNode.account_set.filter(partner__pk=otherUserId).count() > 0:
acct = userNode.account_set.filter(partner__pk=otherUserId)[0]
d['selectedUnitId'] = acct.shared_data.currency_id
else:
d['selectedUnitId'] = userNode.display_units_id
d['is_request'] = is_request
return render_to_response('paymentForm.html', d, context_instance=RequestContext(request))
def offer(request):
"""offer credit to multiple nodes"""
userNode = checkLogin(request)
if not userNode: return HttpResponseRedirect('/login/?redirect=%s' % request.path)
if not request.POST:
return HttpResponseRedirect('/summary/')
if request.POST['phase'] == 'make_offers': # check if offers are finalized, or if we're just listing emails and the form
# extract info from POST dictionary
rows = []
for i in range(0, int(request.POST['count'])):
row = Struct()
row.email = request.POST['email_%d' % i] # already parsed as email addresses
row.amount = request.POST['amount_%d' % i]
row.currency = request.POST['currency_%d' % i]
row.interest = request.POST['interest_%d' % i]
rows.append(row)
# find errors in entries
error = False
for row in rows:
# ensure no double-offers or double-accounts
emailList, errors = validateOfferEmails([row.email], userNode)
if not emailList: # if row.email is in list, then offer is valid
error = True
row.error = errors[0] # only show first error
continue # only one error per row
# validate amounts as numbers
try:
row.amount = float(row.amount)
if row.amount <= 0.0:
raise ValueError
except ValueError:
error = True
row.error = "Credit limit must be a number greater than zero."
else:
if row.amount >= 10**12:
error = True
row.error = "Amount is too large to be stored in the database. Please enter another amount."
elif row.amount <= 10**-12:
error = True
row.error = "Amount is too small to be stored in the database. Please enter another amount."
if error:
continue # only one error per row
try:
row.interest = float(row.interest)
except ValueError:
error = True
row.error = "Interest rate must be a number."
note = request.POST['note']
if note == '': note = None
if error: # show form again with errors and values still there (in row objects)
d = {'rows':rows, 'count':len(rows)}
d['infos'] = ["One of more of your entries had errors. Please make corrections below."]
else: # create and save offers, and send out emails
infos = []
infos.append('The system has recorded your offers of credit and is sending out invitation emails. <a href="/accounts/#offers">Click here to see your offers.</a>')
#infos.append("If the invitation does not arrive, it may be in the destination's spam folder...")
for row in rows:
currency = CurrencyUnit.objects.get(short_name=row.currency)
offer = Offer(initiator=userNode, recipient_email=row.email,
amount=row.amount, currency=currency, interest_rate=row.interest)
offer.save()
# send out email
t = template_loader.get_template('emailInvitation.txt')
c = RequestContext(request, {'row':row, 'userNode':userNode, 'currency':currency, 'note':note})
sender = '"%s" <%s>' % (userNode.name, userNode.getPrimaryEmail())
if not sendEmail('Invitation to Ripple', t.render(c), row.email, sender=sender, attempts=2, includeServiceName=False):
infos.append("An email could not be sent to %s, but your offer has been stored. Please contact %s manually." % (escape(row.email), escape(row.email)))
request.session['infos'] = infos
return HttpResponseRedirect('/accounts/')
else: # else, list emails + form
emails = parseEmails(request.POST['emailText'])
emails, infos = validateOfferEmails(emails, userNode)
if emails == [] and infos == []:
infos.append("You didn't enter any valid email addresses.")
rows = []
for email in emails:
row = Struct()
row.email = email
row.currency = None
row.interest = 0
rows.append(row)
d = {'infos':infos, 'rows':rows, 'count':len(rows)}
d['currencies'] = CurrencyUnit.objects.order_by('long_name')
return render_to_response('offer.html', d, context_instance=RequestContext(request))
def offerAction(request, offerId, action):
"""Accept or reject somebodys offer of credit"""
userNode = checkLogin(request)
if not userNode: return HttpResponseRedirect('/login/?redirect=%s' % request.path)
message = ''
if Offer.objects.filter(pk=offerId).count() == 1:
offer = Offer.objects.get(pk=offerId)
else: # offer has been deleted since action link was displayed to user
if action == 'accept' or action == 'reject':
message = "Offer has been withdrawn and cannot be accepted or rejected."
else:
message = "Offer has already been acted on and cannot be withdrawn."
request.session['infos'] = [message]
return HttpResponseRedirect('/summary/')
# check the offer is for the logged-in user if action is accept or reject
if (action == 'accept' or action == 'reject') and \
offer.recipient_email not in getEmails(userNode):
return HttpResponseRedirect('/summary/')
if action == 'accept':
initiator = offer.initiator
# check for existing account between nodes
# *** temporary until multiple accounts permitted
if Account.objects.filter(owner=userNode, partner=initiator, shared_data__active=True).count() > 0:
request.session['infos'] = ["Account already exists with %s. Multiple accounts with the same neighbour are not permitted (yet)." % escape(initiator.name)]
offer.delete()
return HttpResponseRedirect('/summary/')
currencyId = offer.currency_id
shared = SharedAccountData(currency_id=currencyId, balance=0.0, active=True,
interest_rate=offer.interest_rate/100.0)
shared.save()
acct1 = Account(owner=initiator, partner=userNode, shared_data=shared, balance_multiplier=1,
iou_limit=0.0, partner_limit=offer.amount, name=userNode.name)
acct1.save()
acct2 = Account(owner=userNode, partner=initiator, shared_data=shared, balance_multiplier=-1,
iou_limit=offer.amount, partner_limit=0.0, name=initiator.name)
acct2.save()
offer.delete()
# shuffle node locations *** slow - consider doing as a regular script instead
circle = routing.Circle()
circle.shuffle(10 * Node.objects.count())
# send email informing initiator that offer was accepted
t = template_loader.get_template('emailInvitationAccepted.txt')
c = RequestContext(request, {'offer':offer, 'acct':acct1})
sendEmail("Invitation accepted", t.render(c), initiator.getPrimaryEmail())
request.session['infos'] = ["This is your new connection account with %s. Please take the time to give your account a meaningful name and assign your new neighbour a credit limit." % escape(initiator.getPrimaryEmail())]
return HttpResponseRedirect('/accounts/%d/' % acct2.id)
elif action == 'reject':
offer.delete()
note = ''
if request.method == 'POST':
note = request.POST['note']
# send email informing initiator that offer was rejected
t = template_loader.get_template('emailInvitationRejected.txt')
c = RequestContext(request, {'offer':offer, 'note':note})
sendEmail("Your invitation was not accepted", t.render(c), offer.initiator.getPrimaryEmail())
message = "Offer from %s rejected." % escape(offer.initiator.getPrimaryEmail())
elif action == 'withdraw':
if userNode != offer.initiator:
return HttpResponseRedirect('/accounts/')
offer.delete()
message = "Offer to %s withdrawn." % offer.recipient_email
if message:
request.session['infos'] = [message]
return HttpResponseRedirect('/accounts/')
def accountDetail(request, acctId):
userNode = checkLogin(request)
if not userNode: return HttpResponseRedirect('/login/?redirect=%s' % request.path)
if Account.objects.filter(pk=acctId).count() > 0:
acct = Account.objects.get(pk=acctId)
else: # can't access accounts that aren't in database and active
return HttpResponseRedirect('/accounts/')
if acct.owner_id != userNode.id: # can't access accounts that aren't yours!
return HttpResponseRedirect('/accounts/')
d = {}
d['infos'] = getSessionInfos(request)
if request.method == 'POST': # modify account or set error
if request.POST['name'] == '':
d['infos'].append("Error: Account name can't be left blank.")
elif acct.name != request.POST['name']:
acct.name = request.POST['name']
d['infos'].append("Account name changed.")
try:
interest_rate = float(request.POST['interest']) / 100.0 # may raise ValueError
shared_data = acct.shared_data
if interest_rate <> shared_data.interest_rate:
if shared_data.proposed_rate and interest_rate == shared_data.proposed_rate and userNode.id == shared_data.node_to_confirm_id:
# take manually setting to otherly-proposed rate to be acceptance
accept_proposed_rate(request, shared_data)
d['infos'].append("Interest rate set to %s%%." % (interest_rate * 100.0))
else:
info = propose_rate(request, shared_data, interest_rate, node_to_confirm=acct.partner)
d['infos'].append(info)
except ValueError:
d['infos'].append("Interest rate must be a number.")
try: # modify partner's max credit limit
partner_limit = float(request.POST['partner_limit'])
if partner_limit < 0.0:
d['infos'].append("Error: Partner's credit limit must be a positive number or zero. '%s' is invalid." % request.POST['partner_limit'])
raise ValueError
elif partner_limit >= 1e12:
d['infos'].append("Error: Partner limit amount is too large to be stored in the database. Please enter another amount.")
raise ValueError
elif partner_limit <= 1e-12 and partner_limit != 0.0:
d['infos'].append("Error: Partner limit amount is too small to be stored in the database. Please enter another amount.")
raise ValueError
if acct.partner_limit != partner_limit:
acct.partner_limit = partner_limit
d['infos'].append("Partner has been offered a credit limit of up to %.2f." % acct.partner_limit)
# modify partner's actual iou limit if necessary
partnerAcct = acct.get_partner_acct()
oldPartnerIOULimit = partnerAcct.iou_limit
if partnerAcct.my_limit != None:
partnerAcct.iou_limit = min(partnerAcct.my_limit, acct.partner_limit)
else:
partnerAcct.iou_limit = acct.partner_limit
if partnerAcct.iou_limit != oldPartnerIOULimit:
partnerAcct.save()
if acct.partner_limit == partnerAcct.iou_limit:
d['infos'].pop() # clear mesage about partner being offered credit
d['infos'].append("Partner's credit limit changed to %.2f." % partnerAcct.iou_limit)
except ValueError:
d['infos'].append("Partner's credit limit must be a number.")
if request.POST['my_limit'] != '':
try: # modify my max credit limit
my_limit = float(request.POST['my_limit'])
if my_limit < 0.0:
d['infos'].append("Error: My credit limit must be a positive number or zero. '%s' is invalid." % request.POST['my_limit'])
raise ValueError
elif my_limit >= 1e12:
d['infos'].append("Error: My credit limit amount is too large to be stored in the database. Please enter another amount.")
raise ValueError
elif my_limit <= 1e-12:
d['infos'].append("Error: My credit limit amount is too small to be stored in the database. Please enter another amount.")
raise ValueError
if acct.my_limit != my_limit:
acct.my_limit = my_limit
d['infos'].append("You have chosen to automatically accept a credit limit of up to %.2f from your partner." % acct.my_limit)
except ValueError:
d['infos'].append("My credit limit must be a number.")
else: # set my limit to None = unlimited
if acct.my_limit != None: # only change if not already None
acct.my_limit = None
d['infos'].append("You have chosen to automatically accept as high a credit limit as your partner offers you.")
# modify my actual iou limit if necessary
oldIOULimit = acct.iou_limit
if acct.my_limit != None:
acct.iou_limit = min(acct.my_limit, acct.get_partner_acct().partner_limit)
else: # my_limit = unlimited
acct.iou_limit = acct.get_partner_acct().partner_limit
if acct.iou_limit != oldIOULimit:
if acct.iou_limit == acct.my_limit:
d['infos'].pop() # clear message about my maximum credit limit
d['infos'].append("My credit limit changed to %.2f" % acct.iou_limit)
acct.save()
request.session['infos'] = d['infos']
return HttpResponseRedirect('.')
# render account details page
# *** probably just need to pass acct, and maybe units
d['cur'] = acct.shared_data.currency
d['acct'] = acct
d['balance'] = acct.getBalance()
#d['avgBalance'] = averageBalance(acct, 30)
d['lowerLimit'] = acct.iou_limit
d['upperLimit'] = acct.get_partner_acct().iou_limit
d['displayBalance'] = d['balance']
#d['displayAvgBalance'] = d['avgBalance']
d['displayLowerLimit'] = d['lowerLimit']
d['displayUpperLimit'] = d['upperLimit']
if userNode.display_units_id and d['cur'].value:
rate = d['cur'].value / userNode.display_units.value
d['displayBalance'] *= rate
#d['displayAvgBalance'] *= rate
d['displayLowerLimit'] *= rate
d['displayUpperLimit'] *= rate
if d['cur'].value:
d['convertibleUnits'] = CurrencyUnit.objects.filter(value__gt=0.0).order_by('long_name')
d['closeable'] = (float('%.2f' % d['balance']) == 0.0)
# get links for payments touching this account
paymentTotal = 0.0
months = []
now = datetime.datetime.now()
year = now.year
month_num = now.month
balance = acct.getBalance()
highlight_row = False
while True: # go month-by-month back to account creation
month = {}
links, interest, date = getLinksandInterestForMonth(acct, year, month_num)
if year == now.year and month_num == now.month:
interest += acct.getPresentInterest()
else:
month['date'] = date
month['interest'] = interest
month['balance'] = balance - paymentTotal
if interest:
month['highlight_row'] = highlight_row
highlight_row = not highlight_row
paymentTotal += interest
months.append(month)
entries = []
last_entry = None
for link in links:
link.balance = balance - paymentTotal
paymentTotal += link.amount
if last_entry and last_entry.path.payment_id == link.path.payment_id:
last_entry.amount += link.amount
else:
link.highlight_row = highlight_row
highlight_row = not highlight_row
entries.append(link)
last_entry = link
month['links'] = entries
if month_num == 1:
month_num = 12
year = year -1
else:
month_num -= 1
if datetime.datetime(year, month_num, 1) < acct.shared_data.created:
break
d['months'] = months
d['paymentTotal'] = paymentTotal
return render_to_response('accountDetail.html', d, context_instance=RequestContext(request))
def offerAction(request, offerId, action):
"""Accept or reject somebodys offer of credit"""
userNode = checkLogin(request)
if not userNode:
return HttpResponseRedirect('/login/?redirect=%s' % request.path)
message = ''
if Offer.objects.filter(pk=offerId).count() == 1:
offer = Offer.objects.get(pk=offerId)
else: # offer has been deleted since action link was displayed to user
if action == 'accept' or action == 'reject':
message = "Offer has been withdrawn and cannot be accepted or rejected."
else:
message = "Offer has already been acted on and cannot be withdrawn."
request.session['infos'] = [message]
return HttpResponseRedirect('/summary/')
# check the offer is for the logged-in user if action is accept or reject
if (action == 'accept' or action == 'reject') and \
offer.recipient_email not in getEmails(userNode):
return HttpResponseRedirect('/summary/')
if action == 'accept':
initiator = offer.initiator
# check for existing account between nodes
# *** temporary until multiple accounts permitted
if Account.objects.filter(owner=userNode,
partner=initiator,
shared_data__active=True).count() > 0:
request.session['infos'] = [
"Account already exists with %s. Multiple accounts with the same neighbour are not permitted (yet)."
% escape(initiator.name)
]
offer.delete()
return HttpResponseRedirect('/summary/')
currencyId = offer.currency_id
shared = SharedAccountData(currency_id=currencyId,
balance=0.0,
active=True,
interest_rate=offer.interest_rate / 100.0)
shared.save()
acct1 = Account(owner=initiator,
partner=userNode,
shared_data=shared,
balance_multiplier=1,
iou_limit=0.0,
partner_limit=offer.amount,
name=userNode.name)
acct1.save()
acct2 = Account(owner=userNode,
partner=initiator,
shared_data=shared,
balance_multiplier=-1,
iou_limit=offer.amount,
partner_limit=0.0,
name=initiator.name)
acct2.save()
offer.delete()
# shuffle node locations *** slow - consider doing as a regular script instead
circle = routing.Circle()
circle.shuffle(10 * Node.objects.count())
# send email informing initiator that offer was accepted
t = template_loader.get_template('emailInvitationAccepted.txt')
c = RequestContext(request, {'offer': offer, 'acct': acct1})
initiator_email = initiator.getPrimaryEmail()
sendEmail("Invitation accepted", t.render(c), initiator_email)
request.session['infos'] = [
"This is your new connection account with %s. Please take the time to give your account a meaningful name and assign your new neighbour a credit limit."
% escape(initiator_email)
]
return HttpResponseRedirect('/accounts/%d/' % acct2.id)
elif action == 'reject':
offer.delete()
note = ''
if request.method == 'POST':
note = request.POST['note']
# send email informing initiator that offer was rejected
t = template_loader.get_template('emailInvitationRejected.txt')
c = RequestContext(request, {'offer': offer, 'note': note})
sendEmail("Your invitation was not accepted", t.render(c),
offer.initiator.getPrimaryEmail())
message = "Offer from %s rejected." % escape(
offer.initiator.getPrimaryEmail())
elif action == 'withdraw':
if userNode != offer.initiator:
return HttpResponseRedirect('/accounts/')
offer.delete()
message = "Offer to %s withdrawn." % offer.recipient_email
if message:
request.session['infos'] = [message]
return HttpResponseRedirect('/accounts/')
def accountDetail(request, acctId):
userNode = checkLogin(request)
if not userNode:
return HttpResponseRedirect('/login/?redirect=%s' % request.path)
if Account.objects.filter(pk=acctId).count() > 0:
acct = Account.objects.get(pk=acctId)
else: # can't access accounts that aren't in database and active
return HttpResponseRedirect('/accounts/')
if acct.owner_id != userNode.id: # can't access accounts that aren't yours!
return HttpResponseRedirect('/accounts/')
d = {}
d['infos'] = getSessionInfos(request)
if request.method == 'POST': # modify account or set error
if request.POST['name'] == '':
d['infos'].append("Error: Account name can't be left blank.")
elif acct.name != request.POST['name']:
acct.name = request.POST['name']
d['infos'].append("Account name changed.")
try:
interest_rate = float(
request.POST['interest']) / 100.0 # may raise ValueError
shared_data = acct.shared_data
if interest_rate <> shared_data.interest_rate:
if shared_data.proposed_rate and interest_rate == shared_data.proposed_rate and userNode.id == shared_data.node_to_confirm_id:
# take manually setting to otherly-proposed rate to be acceptance
accept_proposed_rate(request, shared_data)
d['infos'].append("Interest rate set to %s%%." %
(interest_rate * 100.0))
else:
info = propose_rate(request,
shared_data,
interest_rate,
node_to_confirm=acct.partner)
d['infos'].append(info)
except ValueError:
d['infos'].append("Interest rate must be a number.")
try: # modify partner's max credit limit
partner_limit = float(request.POST['partner_limit'])
if partner_limit < 0.0:
d['infos'].append(
"Error: Partner's credit limit must be a positive number or zero. '%s' is invalid."
% request.POST['partner_limit'])
raise ValueError
elif partner_limit >= 1e12:
d['infos'].append(
"Error: Partner limit amount is too large to be stored in the database. Please enter another amount."
)
raise ValueError
elif partner_limit <= 1e-12 and partner_limit != 0.0:
d['infos'].append(
"Error: Partner limit amount is too small to be stored in the database. Please enter another amount."
)
raise ValueError
if acct.partner_limit != partner_limit:
acct.partner_limit = partner_limit
d['infos'].append(
"Partner has been offered a credit limit of up to %.2f." %
acct.partner_limit)
# modify partner's actual iou limit if necessary
partnerAcct = acct.get_partner_acct()
oldPartnerIOULimit = partnerAcct.iou_limit
if partnerAcct.my_limit != None:
partnerAcct.iou_limit = min(partnerAcct.my_limit,
acct.partner_limit)
else:
partnerAcct.iou_limit = acct.partner_limit
if partnerAcct.iou_limit != oldPartnerIOULimit:
partnerAcct.save()
if acct.partner_limit == partnerAcct.iou_limit:
d['infos'].pop(
) # clear mesage about partner being offered credit
d['infos'].append(
"Partner's credit limit changed to %.2f." %
partnerAcct.iou_limit)
except ValueError:
d['infos'].append("Partner's credit limit must be a number.")
if request.POST['my_limit'] != '':
try: # modify my max credit limit
my_limit = float(request.POST['my_limit'])
if my_limit < 0.0:
d['infos'].append(
"Error: My credit limit must be a positive number or zero. '%s' is invalid."
% request.POST['my_limit'])
raise ValueError
elif my_limit >= 1e12:
d['infos'].append(
"Error: My credit limit amount is too large to be stored in the database. Please enter another amount."
)
raise ValueError
elif my_limit <= 1e-12:
d['infos'].append(
"Error: My credit limit amount is too small to be stored in the database. Please enter another amount."
)
raise ValueError
if acct.my_limit != my_limit:
acct.my_limit = my_limit
d['infos'].append(
"You have chosen to automatically accept a credit limit of up to %.2f from your partner."
% acct.my_limit)
except ValueError:
d['infos'].append("My credit limit must be a number.")
else: # set my limit to None = unlimited
if acct.my_limit != None: # only change if not already None
acct.my_limit = None
d['infos'].append(
"You have chosen to automatically accept as high a credit limit as your partner offers you."
)
# modify my actual iou limit if necessary
oldIOULimit = acct.iou_limit
if acct.my_limit != None:
acct.iou_limit = min(acct.my_limit,
acct.get_partner_acct().partner_limit)
else: # my_limit = unlimited
acct.iou_limit = acct.get_partner_acct().partner_limit
if acct.iou_limit != oldIOULimit:
if acct.iou_limit == acct.my_limit:
d['infos'].pop() # clear message about my maximum credit limit
d['infos'].append("My credit limit changed to %.2f" %
acct.iou_limit)
acct.save()
request.session['infos'] = d['infos']
return HttpResponseRedirect('.')
# render account details page
# *** probably just need to pass acct, and maybe units
d['cur'] = acct.shared_data.currency
d['acct'] = acct
d['balance'] = acct.getBalance()
#d['avgBalance'] = averageBalance(acct, 30)
d['lowerLimit'] = acct.iou_limit
d['upperLimit'] = acct.get_partner_acct().iou_limit
d['displayBalance'] = d['balance']
#d['displayAvgBalance'] = d['avgBalance']
d['displayLowerLimit'] = d['lowerLimit']
d['displayUpperLimit'] = d['upperLimit']
if userNode.display_units_id and d['cur'].value:
rate = d['cur'].value / userNode.display_units.value
d['displayBalance'] *= rate
#d['displayAvgBalance'] *= rate
d['displayLowerLimit'] *= rate
d['displayUpperLimit'] *= rate
if d['cur'].value:
d['convertibleUnits'] = CurrencyUnit.objects.filter(
value__gt=0.0).order_by('long_name')
d['closeable'] = (float('%.2f' % d['balance']) == 0.0)
# get links for payments touching this account
paymentTotal = 0.0
months = []
now = datetime.datetime.now()
year = now.year
month_num = now.month
balance = acct.getBalance()
highlight_row = False
while True: # go month-by-month back to account creation
month = {}
links, interest, date = getLinksandInterestForMonth(
acct, year, month_num)
if year == now.year and month_num == now.month:
interest += acct.getPresentInterest()
else:
month['date'] = date
month['interest'] = interest
month['balance'] = balance - paymentTotal
if interest:
month['highlight_row'] = highlight_row
highlight_row = not highlight_row
paymentTotal += interest
months.append(month)
entries = []
last_entry = None
for link in links:
link.balance = balance - paymentTotal
paymentTotal += link.amount
if last_entry and last_entry.path.payment_id == link.path.payment_id:
last_entry.amount += link.amount
else:
link.highlight_row = highlight_row
highlight_row = not highlight_row
entries.append(link)
last_entry = link
month['links'] = entries
if month_num == 1:
month_num = 12
year = year - 1
else:
month_num -= 1
if datetime.datetime(year, month_num, 1) < acct.shared_data.created:
break
d['months'] = months
d['paymentTotal'] = paymentTotal
return render_to_response('accountDetail.html',
d,
context_instance=RequestContext(request))
def offer(request):
"""offer credit to multiple nodes"""
userNode = checkLogin(request)
if not userNode:
return HttpResponseRedirect('/login/?redirect=%s' % request.path)
if not request.POST:
return HttpResponseRedirect('/summary/')
if request.POST[
'phase'] == 'make_offers': # check if offers are finalized, or if we're just listing emails and the form
# extract info from POST dictionary
rows = []
for i in range(0, int(request.POST['count'])):
row = Struct()
row.email = request.POST['email_%d' %
i] # already parsed as email addresses
row.amount = request.POST['amount_%d' % i]
row.currency = request.POST['currency_%d' % i]
row.interest = request.POST['interest_%d' % i]
rows.append(row)
# find errors in entries
error = False
for row in rows:
# ensure no double-offers or double-accounts
emailList, errors = validateOfferEmails([row.email], userNode)
if not emailList: # if row.email is in list, then offer is valid
error = True
row.error = errors[0] # only show first error
continue # only one error per row
# validate amounts as numbers
try:
row.amount = float(row.amount)
if row.amount <= 0.0:
raise ValueError
except ValueError:
error = True
row.error = "Credit limit must be a number greater than zero."
else:
if row.amount >= 10**12:
error = True
row.error = "Amount is too large to be stored in the database. Please enter another amount."
elif row.amount <= 10**-12:
error = True
row.error = "Amount is too small to be stored in the database. Please enter another amount."
if error:
continue # only one error per row
try:
row.interest = float(row.interest)
except ValueError:
error = True
row.error = "Interest rate must be a number."
note = request.POST['note']
if note == '': note = None
if error: # show form again with errors and values still there (in row objects)
d = {'rows': rows, 'count': len(rows)}
d['infos'] = [
"One of more of your entries had errors. Please make corrections below."
]
else: # create and save offers, and send out emails
infos = []
infos.append(
'The system has recorded your offers of credit and is sending out invitation emails. <a href="/accounts/#offers">Click here to see your offers.</a>'
)
#infos.append("If the invitation does not arrive, it may be in the destination's spam folder...")
for row in rows:
currency = CurrencyUnit.objects.get(short_name=row.currency)
offer = Offer(initiator=userNode,
recipient_email=row.email,
amount=row.amount,
currency=currency,
interest_rate=row.interest)
offer.save()
# send out email
t = template_loader.get_template('emailInvitation.txt')
c = RequestContext(
request, {
'row': row,
'userNode': userNode,
'currency': currency,
'note': note
})
sender = '"%s" <%s>' % (userNode.name,
userNode.getPrimaryEmail())
if not sendEmail('Invitation to Ripple',
t.render(c),
row.email,
sender=sender,
attempts=2,
includeServiceName=False):
infos.append(
"An email could not be sent to %s, but your offer has been stored. Please contact %s manually."
% (escape(row.email), escape(row.email)))
request.session['infos'] = infos
return HttpResponseRedirect('/accounts/')
else: # else, list emails + form
emails = parseEmails(request.POST['emailText'])
emails, infos = validateOfferEmails(emails, userNode)
if emails == [] and infos == []:
infos.append("You didn't enter any valid email addresses.")
rows = []
for email in emails:
row = Struct()
row.email = email
row.currency = None
row.interest = 0
rows.append(row)
d = {'infos': infos, 'rows': rows, 'count': len(rows)}
d['currencies'] = CurrencyUnit.objects.order_by('long_name')
return render_to_response('offer.html',
d,
context_instance=RequestContext(request))
def paymentDetail(request, pmtId):
userNode = checkLogin(request)
if not userNode:
return HttpResponseRedirect('/login/?redirect=%s' % request.path)
if Payment.objects.filter(pk=pmtId).count() == 0:
return HttpResponseRedirect('/summary')
pmt = Payment.objects.get(pk=pmtId)
if pmt.status != 'OK':
return HttpResponseRedirect('/summary')
d = {}
# get any messages from session
d['infos'] = getSessionInfos(request)
# get every payment link that touches this user
inLinks = PaymentLink.objects.filter(path__payment=pmtId,
payer_account__partner=userNode)
outLinks = PaymentLink.objects.filter(path__payment=pmtId,
payer_account__owner=userNode)
if pmt.payer_id == userNode.id:
assert outLinks, "User %d is payer for payment %d, but has no outgoing payment links." % (
userNode.id, pmt.id)
d['outPayment'] = True
elif pmt.recipient_id == userNode.id:
assert inLinks, "User is %d is recipient for payment %d, but has no incoming payment links." % (
userNode.id, pmt.id)
d['inPayment'] = True
elif inLinks and outLinks:
d['thruPayment'] = True
else: # user should have no links at all
assert not inLinks and not outLinks, "User %d is an intermediary for payment %d, but does not have both incoming and outgoing links." % (
userNode.id, pmt.id)
return HttpResponseRedirect('/summary')
inAccts = []
for link in inLinks:
acct = link.payer_account.get_partner_acct()
if acct in inAccts: # fetch copy we already have and add to numbers
acct = inAccts[inAccts.index(acct)]
acct.inEntry += link.amount
else:
acct.inEntry = link.amount
inAccts.append(acct)
outAccts = []
for link in outLinks:
acct = link.payer_account
if acct in outAccts: # fetch copy we already have and add to numbers
acct = outAccts[outAccts.index(acct)]
acct.outEntry += link.amount
else:
acct.outEntry = link.amount
outAccts.append(acct)
d['pmt'] = pmt
d['inAccts'] = inAccts
d['outAccts'] = outAccts
return render_to_response('paymentDetail.html',
d,
context_instance=RequestContext(request))
def accountAction(request, acctId, action):
userNode = checkLogin(request)
if not userNode: return HttpResponseRedirect('/accounts/%s/' % acctId)
if request.method == 'POST':
if request.POST['submit'] == 'Cancel':
return HttpResponseRedirect('/accounts/%s/' % acctId)
if Account.objects.filter(pk=acctId).count() == 0:
return HttpResponseRedirect('/accounts/')
acct = Account.objects.get(pk=acctId)
if acct.owner_id != userNode.id:
return HttpResponseRedirect('/accounts/')
if action == 'close':
sharedData = acct.shared_data
if abs(sharedData.balance) >= 0.005:
request.session['infos'] = [
"Account balance must be zero before it can be closed."
]
return HttpResponseRedirect('/accounts/%d/' % acct.id)
# to be sure a transaction doesn't hit this account before it gets
# deactivated, set limits to zero, save, and then check for zero balance again
myIOULimit = acct.iou_limit
partnerAcct = acct.get_partner_acct()
partnerIOULimit = partnerAcct.iou_limit
acct.iou_limit = 0.0
acct.save()
partnerAcct.iou_limit = 0.0
partnerAcct.save()
if abs(sharedData.balance) >= 0.005:
request.session['infos'] = [
"Account balance must be zero before it can be closed."
]
# restore limits on accts
acct.iou_limit = myIOULimit
acct.save()
partnerAcct.iou_limit = partnerIOULimit
partnerAcct.save()
return HttpResponseRedirect('/accounts/%d/' % acct.id)
# now it's impossible for a transaction to change the balance, and the balance is zero, so:
sharedData.active = False
sharedData.save()
# notify user
request.session['infos'] = [
"Account %d (%s) closed." % (sharedData.id, acct.name)
]
# notify partner by email
note = ''
if request.method == 'POST':
note = request.POST['note']
t = template_loader.get_template('emailAcctClosed.txt')
c = RequestContext(request, {'acct': partnerAcct, 'note': note})
sendEmail("One of your accounts has been closed", t.render(c),
acct.partner.getPrimaryEmail())
pass
return HttpResponseRedirect('/accounts/')
def paymentForm(request, pmtId=None, otherUserId=None, is_request=False):
userNode = checkLogin(request)
if not userNode:
return HttpResponseRedirect('/login/?redirect=%s' % request.path)
errors = []
d = {}
if request.method == 'POST': # get post data and attempt payment
email = request.POST['email']
d['email'] = email # for maintaining form value in case of error
if EmailAddr.objects.filter(email=email, confirmed=True).count() == 0:
errors.append("Email '%s' does not belong to any Ripple user,"
"or has not yet been confirmed." % escape(email))
else:
emailAddr = EmailAddr.objects.get(email=email)
otherUser = emailAddr.node
if otherUser == userNode:
action = is_request and 'request payment from' or 'pay'
errors.append("You can't %s yourself." % action)
amountStr = request.POST['amount']
d['amount'] = amountStr
try:
amount = float(amountStr)
if amount <= 0.0:
raise Exception
except:
errors.append(
"Amount must be a positive number. '%s' is not valid." %
escape(amountStr))
currencyName = request.POST[
'currency'] # this should be OK, since it's from a generated list
currency = CurrencyUnit.objects.get(short_name=currencyName)
d['selectedUnitId'] = currency.id
d['description'] = request.POST['description']
if not errors:
# check for enough credit
available = availableCredit(userNode,
currency,
incoming=is_request)
if available < amount:
action = is_request and 'request' or 'make'
errors.append(
"You do not have enough available credit to %s payment. "
"Available: %s %.2f." %
(action, currency.short_name, available))
if availableCredit(otherUser, currency,
incoming=not is_request) < amount:
if is_request:
pass # Other user might get more credit to fulfill request
else:
errors.append(
"Your intended recipient has not offered enough credit "
"to receive your payment.")
pmt = None
if request.POST['pmtId'] != 'None':
pmt = Payment.objects.get(pk=request.POST['pmtId'])
# Check if user can edit
if (not is_request and pmt.payer_id != userNode.id) or \
(is_request and pmt.recipient_id != userNode.id):
return HttpResponseRedirect('/payments/')
if pmt.status == 'OK': # can't edit completed payment
d = {
'message': 'Payment has already been completed.',
'link': '/payments/'
}
return render_to_response(
'error.html', d, context_instance=RequestContext(request))
d['pmtId'] = pmt.id # in case of errors, re-post pmtId
if not errors:
payer = is_request and otherUser or userNode
recipient = is_request and userNode or otherUser
if pmt is None:
pmt = Payment() # Create new Payment.
pmt.payer = payer
pmt.payer_email = is_request and email or payer.getPrimaryEmail()
pmt.recipient = recipient
pmt.recipient_email = is_request and recipient.getPrimaryEmail(
) or email
pmt.amount = amount
pmt.currency = currency
pmt.date = datetime.now()
pmt.status = is_request and 'RQ' or 'PE'
pmt.description = d['description']
pmt.save()
if is_request:
# Send payment request email
t = template_loader.get_template('emailPmtRequestReceived.txt')
c = RequestContext(request, {'req': pmt})
sendEmail("Payment request notification", t.render(c),
pmt.payer_email)
request.session['infos'] = [
"Your payment request has been recorded "
"and a notification email sent to the payer."
]
return HttpResponseRedirect('/payments/')
else: # Go to payment confirmation page
return HttpResponseRedirect('/payments/%s/confirm/' % pmt.id)
# present make payment form
d['infos'] = errors
if otherUserId: # paying a specific user - URL = payUser/id/
if Node.objects.filter(
pk=otherUserId).count() > 0 and userNode.id != otherUserId:
d['email'] = Node.objects.get(pk=otherUserId).getPrimaryEmail()
if pmtId: # editing a pending payment from DB - URL = paymentForm/id/
if Payment.objects.filter(pk=pmtId).count() > 0:
pmt = Payment.objects.get(pk=pmtId)
if pmt.status == 'OK': # can't edit completed payment
d = {
'message': 'Payment has already been completed.',
'link': '/payments/'
}
return render_to_response(
'error.html', d, context_instance=RequestContext(request))
d['email'] = is_request and pmt.payer_email or pmt.recipient_email
d['amount'] = pmt.amount
d['selectedUnitId'] = pmt.currency_id
d['description'] = pmt.description
d['pmtId'] = pmtId
d['paymentUnits'] = makeUnitsList(userNode)
# set selected units to account units, if paying account partner, or to default units
if not d.has_key('selectedUnitId'):
if otherUserId and userNode.account_set.filter(
partner__pk=otherUserId).count() > 0:
acct = userNode.account_set.filter(partner__pk=otherUserId)[0]
d['selectedUnitId'] = acct.shared_data.currency_id
else:
d['selectedUnitId'] = userNode.display_units_id
d['is_request'] = is_request
return render_to_response('paymentForm.html',
d,
context_instance=RequestContext(request))