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# File 'app/services/invitational/creates_invitation.rb', line 4
def self.for invitable, target, role
if target.is_a? String
email = target
if invitable.invitations.for_email(email).count > 0
raise Invitational::AlreadyInvitedError
end
else
user = target
email = user.email
if user.invitations.for_invitable(invitable.class, invitable.id).count > 0
raise Invitational::AlreadyInvitedError
end
end
invitation = ::Invitation.new(invitable: invitable, role: role, email: email)
if user
invitation.user = user
invitation.date_accepted = DateTime.now
end
invitation.save
invitation
end
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