def enter_vendor_name(request, start_response):
if not request['input']:
return start_response(message='Please enter your name\n',
next='enter_vendor_name',
params=request['params'])
else:
request['params']['name'] = request['input']
return forward(request, 'select_vendor_village')
def describe_kiosk_location(request, start_response):
if not request['input']:
return start_response(
message='Describe your location relative to the landmark using 160 characters.',
next='describe_kiosk_location',
params=request['params']
)
else:
request['params']['description'] = request['input']
return forward(request, 'select_purification_method')
def enter_vendor_name(request, start_response):
if not request['input']:
return start_response(
message='Please enter your name\n',
next='enter_vendor_name',
params=request['params']
)
else:
request['params']['name'] = request['input']
return forward(request, 'select_vendor_village')
def describe_kiosk_location(request, start_response):
if not request['input']:
return start_response(
message=
'Describe your location relative to the landmark using 160 characters.',
next='describe_kiosk_location',
params=request['params'])
else:
request['params']['description'] = request['input']
return forward(request, 'select_purification_method')
def enter_preference(request, start_response):
if not request['input']:
return start_response(message=print_menu([
('Find cheapest water near me', ), ('Find clean water only', )
]),
next='enter_preference',
params=request['params'])
else:
request['params']['preference'] = request['input']
return forward(request, 'select_village')
def enter_preference(request, start_response):
if not request['input']:
return start_response(
message=print_menu(
[
('Find cheapest water near me',),
('Find clean water only', )
]
),
next='enter_preference',
params=request['params']
)
else:
request['params']['preference'] = request['input']
return forward(request, 'select_village')
def list_ads(request, start_response, limit=4, sort_by=None):
# Buyer just landed on this page
# Buyer has used M-Maji before
try:
buyer = Buyer.objects.get(phone_number=request['phone_number'])
ads = Advertisement.objects.select_related(
'kiosk', 'kiosk__seller, kiosk__landmark',
)
# Check if buyer has specified a particular landmark in this
# session, else use their default landmark
landmark = request['params'].get('landmark_id', buyer.landmark)
ads = ads.filter(kiosk__landmark=buyer.landmark)
# Check if buyer has specified a preference for clean / cheap
# in this session, else apply their default preference
preference = request['params'].get('preference', buyer.preference)
if preference == Buyer.CLEAN_PREFERENCE:
ads = ads.exclude(
kiosk__seller__purification_method=Seller.NO_PURIFICATION
)[:limit]
# Build listings
t = Template('${price} KES $seller @ $landmark$condition')
listings = []
for ad in ads:
condition = ''
if (ad.kiosk.seller.purification_method != Seller.NO_PURIFICATION):
condition = ', purified'
listing = (
t.substitute(
price=ad.price, seller=ad.kiosk.seller.name,
landmark=ad.kiosk.landmark, condition=condition
)
)
listings.append(listing)
# raise Exception('ads is %s' % str(ads))
params = dict((i+1, ad.id) for i, ad in enumerate(ads))
request['params'].update(params)
menu = [(listing, 'view_ad') for listing in listings]
menu += [
('More', 'list_ads', {'limit':None}),
('Options', 'ads_options'),
]
# First-time buyer
except Buyer.DoesNotExist, be:
return forward(request, 'new_buyer')
def list_ads(request, start_response, limit=4, sort_by=None):
# Buyer just landed on this page
# Buyer has used M-Maji before
try:
buyer = Buyer.objects.get(phone_number=request['phone_number'])
ads = Advertisement.objects.select_related(
'kiosk',
'kiosk__seller, kiosk__landmark',
)
# Check if buyer has specified a particular landmark in this
# session, else use their default landmark
landmark = request['params'].get('landmark_id', buyer.landmark)
ads = ads.filter(kiosk__landmark=buyer.landmark)
# Check if buyer has specified a preference for clean / cheap
# in this session, else apply their default preference
preference = request['params'].get('preference', buyer.preference)
if preference == Buyer.CLEAN_PREFERENCE:
ads = ads.exclude(kiosk__seller__purification_method=Seller.
NO_PURIFICATION)[:limit]
# Build listings
t = Template('${price} KES $seller @ $landmark$condition')
listings = []
for ad in ads:
condition = ''
if (ad.kiosk.seller.purification_method != Seller.NO_PURIFICATION):
condition = ', purified'
listing = (t.substitute(price=ad.price,
seller=ad.kiosk.seller.name,
landmark=ad.kiosk.landmark,
condition=condition))
listings.append(listing)
# raise Exception('ads is %s' % str(ads))
params = dict((i + 1, ad.id) for i, ad in enumerate(ads))
request['params'].update(params)
menu = [(listing, 'view_ad') for listing in listings]
menu += [
('More', 'list_ads', {
'limit': None
}),
('Options', 'ads_options'),
]
# First-time buyer
except Buyer.DoesNotExist, be:
return forward(request, 'new_buyer')
def send_info_sms(request, start_response):
t = Template("$price KES $kiosk_description\n")
advert = Advertisement.objects.get(
id=request['params']['advertisement_id'])
kiosk = advert.kiosk
sms_message = t.substitute(price=advert.price,
kiosk_description=kiosk.description)
if sms_message:
Message(to=("+%s" % request['phone_number']), text=sms_message).save()
return ussd.response("SMS sent to +%(phone_number)s.\nThank you for using M-Maji."%\
({'phone_number':request['phone_number']}), None, status=ussd.STOP)
#TODO: Should we inform the client if there is an error,
#Or just Queue up for later?
return forward(request, 'quit')
def send_info_sms(request, start_response):
t = Template("$price KES $kiosk_description\n")
advert = Advertisement.objects.get(id=request['params']['advertisement_id'])
kiosk = advert.kiosk
sms_message = t.substitute(
price=advert.price,
kiosk_description=kiosk.description
)
if sms_message:
Message(to=("+%s" % request['phone_number']), text=sms_message).save()
return ussd.response("SMS sent to +%(phone_number)s.\nThank you for using M-Maji."%\
({'phone_number':request['phone_number']}), None, status=ussd.STOP)
#TODO: Should we inform the client if there is an error,
#Or just Queue up for later?
return forward(request, 'quit')
def place_ad(request, start_response):
try:
seller = Seller.objects.get(phone_number=request['phone_number'])
menu = [
('New advertisement', 'select_kiosk', {'seller_id':seller.id}),
('Add kiosk', 'select_village', {'create':0, 'landmarks':'select_vendor_landmark'})
]
if not request['input']:
return start_response(
message=print_menu(menu),
next='place_ad',
params=request['params']
)
else:
return forward_from_menu(request, menu)
except Seller.DoesNotExist:
return forward(request, 'enter_vendor_name')
def view_ad(request, start_response):
menu = [('Send me info via SMS', 'send_info_sms'), ('Back', 'list_ads')]
if not request['input']:
t = Template("$price KES $kiosk_description\n")
advert = Advertisement.objects.get(
id=request['params']['advertisement_id'])
kiosk = advert.kiosk
greeting = t.substitute(price=advert.price,
kiosk_description=kiosk.description)
message = greeting + print_menu(menu)
return start_response(message=message,
next='view_ad',
params=request['params'])
else:
handler_name = get_handler(request, menu)
return forward(request, handler_name)
def place_ad(request, start_response):
try:
seller = Seller.objects.get(phone_number=request['phone_number'])
menu = [('New advertisement', 'select_kiosk', {
'seller_id': seller.id
}),
('Add kiosk', 'select_village', {
'create': 0,
'landmarks': 'select_vendor_landmark'
})]
if not request['input']:
return start_response(message=print_menu(menu),
next='place_ad',
params=request['params'])
else:
return forward_from_menu(request, menu)
except Seller.DoesNotExist:
return forward(request, 'enter_vendor_name')
def view_ad(request, start_response):
menu = [
('Send me info via SMS', 'send_info_sms'),
('Back', 'list_ads')
]
if not request['input']:
t = Template("$price KES $kiosk_description\n")
advert = Advertisement.objects.get(id=request['params']['advertisement_id'])
kiosk = advert.kiosk
greeting = t.substitute(
price=advert.price,
kiosk_description=kiosk.description
)
message = greeting + print_menu(menu)
return start_response(message=message, next='view_ad', params=request['params'])
else:
handler_name = get_handler(request, menu)
return forward(request, handler_name)
