def invite_user(self,
from_user,
to_email,
role=BaseMembership.ROLE_MEMBER,
message=None):
if Invitation.objects.filter(signup_code__email=to_email).exists():
raise ValidationError(
'The email address you entered has already been invited to join a team.'
)
try:
if User.objects.get(email=to_email):
raise ValidationError('This user is already apart of a team.')
except User.DoesNotExist:
# Send an invite if there is not an email address associated with that user
invite = Invitation.invite(from_user,
to_email,
message,
send=False)
membership, created = self.memberships.get_or_create(
invitation=invite,
defaults={
"role": role,
"state": BaseMembership.STATE_INVITED
})
invite.send_invite()
signals.invited_user.send(sender=self, membership=membership)
return membership
