def savematch(request): if request.is_ajax() and request.method == 'POST': try: pin1_id = request.POST['pin1_id'] pin2_id = request.POST['pin2_id'] choice = request.POST['choice'] pin1 = PinModel.objects.get(pin_id=pin1_id) pin2 = PinModel.objects.get(pin_id=pin2_id) pin1.score, pin2.score = Pin.getNewScore(pin1.score, pin2.score, pin1_id == choice) pin1.save() pin2.save() try: # Save the match history if the user is logged with facebook fb_id = request.POST['fb_id'] if fb_id == 'null': raise KeyError fb_user = SocialUserModel.objects.get_or_create(social_id=fb_id, net_name="facebook")[0] pin1_perso = fb_user.pinpersomodel_set.get_or_create(pin=pin1)[0] pin2_perso = fb_user.pinpersomodel_set.get_or_create(pin=pin2)[0] pin1_perso.score, pin2_perso.score = Pin.getNewScore(pin1_perso.score, pin2_perso.score, pin1_id == choice) pin1_perso.save() pin2_perso.save() except KeyError: pass request.session.modified = True request.session['match_list'].append((pin1.pin_id, pin2.pin_id, choice)) msg = "OK" return HttpResponse(msg) except KeyError, PinModel.DoesNotExist: msg = "Pin not found" return HttpResponse(msg)
def ranking(request):
if request.is_ajax() and request.method == 'GET':
try:
cat = request.GET['category']
try:
if cat == 'all':
ranking_q = PinModel.objects.all()
else:
cat_model = CategoryModel.objects.get(category_id=cat)
ranking_q = cat_model.pinmodel_set.all()
except CategoryModel.DoesNotExist:
d = {'status': 'ERR', 'data':'This category does not exist on the database '}
data = dumps(d, cls=MyEncoder)
return HttpResponse(data, mimetype='application/json')
except KeyError:
ranking_q = PinModel.objects.all()
# Personal ranking
if request.GET['perso'] == u'true':
info_open_graph = []
try:
# Db-based personal ranking (only if the user is logged in with Facebook)
fb_id = request.GET['fb_id']
#access_token=request.GET['access_token']
if fb_id == 'null':
raise KeyError
fb_u = SocialUserModel.objects.get_or_create(social_id=fb_id, net_name="facebook")[0]
pin_id_list = [p.pin_id for p in ranking_q]
pin_list = fb_u.pinpersomodel_set.order_by('-score').filter(pin__pin_id__in=pin_id_list)
ranking_list = fun.group(lambda p: p.score, pin_list)
ranking_list = [[e.pin for e in sub] for sub in ranking_list ]
if ranking_list:
nb=3 # Number of pin to post on facebook
if len(ranking_list[0])>3:
to_post=random.sample(ranking_list[0],nb)
else:
to_post=pin_list[:3]
for p in to_post:
p_url = 'http://'+request.get_host() + '/pin?pin_id=' + p.pin_id
info_open_graph.append({'fb_id':fb_id, 'action':'vote for', 'obj':'pin', 'obj_url':p_url})
except KeyError:
# Cookie-based personal ranking
match_list = request.session['match_list']
score = {}
for t in match_list:
pin1, pin2, choice = t
score.setdefault(pin1, 0)
score.setdefault(pin2, 0)
score[pin1], score[pin2] = Pin.getNewScore(score[pin1], score[pin2], choice == pin1)
ranking_list = list(ranking_q.filter(pin_id__in=score.keys()))
ranking_list.sort(key=lambda pin:-score[pin.pin_id])
ranking_list = fun.group(lambda p: p.score, ranking_list)
if len(ranking_list) > 0:
data = dumps({'status':'OK', 'data':{'ranking_list':ranking_list, 'info_open_graph':info_open_graph}}, cls=MyEncoder)
return HttpResponse(data, mimetype='application/json')
else:
d = {'status': 'ERR', 'data':'No pins in this category'}
data = dumps(d, cls=MyEncoder)
return HttpResponse(data, mimetype='application/json')
# Overall ranking
if len(ranking_q) > 0:
ranking_q = ranking_q.order_by('-score')[:10]
ranking_list = []
for pin in ranking_q:
ranking_list.append(pin)
ranking_list = fun.group(lambda p: p.score, ranking_list)
data = dumps({'status':'OK', 'data':{'ranking_list':ranking_list}}, cls=MyEncoder)
return HttpResponse(data, mimetype='application/json')
else:
d = {'status': 'ERR', 'data':'Error: No pins in this category'}
data = dumps(d, cls=MyEncoder)
return HttpResponse(data, mimetype='application/json')
else:
raise Http404
