def get_soulmates_all_users():
"""
Encuentra la afinidad entre todos los usuarios.
"""
users1 = UserLikees.objects.all()
users2 = UserLikees.objects.all()
Soulmates_Coef.objects.all().delete()
for user1 in users1:
votes1 = Vote.objects.filter(user=user1.id)
if votes1.count() < 40:
continue
votes_a = {}
for vote1 in votes1:
votes_a[vote1.item.id] = vote1.rate
for user2 in users2:
if user1.id == user2.id:
break
votes2 = Vote.objects.filter(user=user2.id)
if votes2.count() < 40:
continue
votes_b = {}
for vote2 in votes2:
votes_b[vote2.item.id] = vote2.rate
print "Calculando coef G entre " + user1.username + "(" + str(
votes1.count(
)) + ")" + " " + user2.username + "(" + str(
votes2.count()) + ")" + "..."
coef = Soulmates_Coef()
coef.user1 = user1
coef.user2 = user2
coef.coef = soulmates(votes_a, votes_b)
coef.save()
def get_soulmates_by_user(self, user):
"""
Calcula la afinididad de un usuario con el resto de usuarios.
"""
Soulmates_Coef.objects.filter(Q(user1=user) | Q(user2=user)).delete()
votes_user = Vote.objects.filter(user=user.id)
if votes_user.count() < 40:
return
votes_a = {}
for vote_user in votes_user:
votes_a[vote_user.item.id] = vote_user.rate
users = UserLikees.objects.all().exclude(pk=user.id)
for user_soul in users:
votes_soul = Vote.objects.filter(user=user_soul.id)
if votes_soul.count() < 40:
continue
votes_b = {}
for vote_soul in votes_soul:
votes_b[vote_soul.item.id] = vote_soul.rate
print "Calculando coef G entre " + user.username + "(" + str(
votes_user.count(
)) + ")" + " " + user_soul.username + "(" + str(
votes_soul.count()) + ")" + "..."
coef = Soulmates_Coef()
coef.user1 = user
coef.user2 = user_soul
coef.coef = self.soulmates(votes_a, votes_b)
coef.save()
