round-robin-lead-assignment

NAME_OF_ROLE_TO_ASSIGN_LEADS_TO = "SOMEROLE";
//you'll need to create this record and assign it to someone who should receive leads 
//before you can use this function
ID_FOR_REFERENCE_LEAD = 1176607000005707001;
AUTH_TOKEN = "MYAUTHTOKEN"
//get a list of all users who can be assigned leads
userResp = getUrl(("https://crm.zoho.com/crm/private/xml/Users/getUsers?authtoken=" + AUTH_TOKEN + "&scope=crmapi&type=ActiveUsers"));

leadidStr = input.leadid.toString();
listOfLeadOwners = List:Int();
users = userResp.executeXPath("/users/user");

if((users  !=  null)  &&  (users  !=  ""))
{
    userList=users.toList("-|-");
    for each user in userList
    {
        roleNode = user.executeXPath("/user/@role");
        role = roleNode.executeXPath("/role/text()");
        if(role  ==  NAME_OF_ROLE_TO_ASSIGN_LEADS_TO)
        {
            idNode = user.executeXPath("/user/@id");
            id = idNode.executeXPath("/id/text()");
            idInt=id.toLong();
            listOfLeadOwners.add(idInt);
        }
    }
    
    listOfLeadOwners = listOfLeadOwners.sort(true);
    leadOwnerListSize = listOfLeadOwners.size();
    
    //refRecord is where we store the ID of the lead owner who was last assigned a lead
    refRecord = zoho.crm.getRecordById("Leads", ID_FOR_REFERENCE_LEAD);
    refOwner = refRecord.get("SMOWNERID");
    refOwnerInt = refOwner.toLong();
    
    indexForLastTimeRefOwnerWasAssigned = listOfLeadOwners.lastIndexOf(refOwnerInt);
    indexForOwnerWhoShouldGetThisLead = (indexForLastTimeRefOwnerWasAssigned  +  1);
    if(indexForOwnerWhoShouldGetThisLead == leadOwnerListSize)
    {
        //we've hit the end of the owner list - will cause an exception if
        //we try to get this one so let's go back to the start of the list
        newowner = listOfLeadOwners.get(0);
    }
    else
    {
        //reference owner is not at the end of the list so we can use this one
        newowner = listOfLeadOwners.get(indexForOwnerWhoShouldGetThisLead);
    }
    
    refMap = map();
    refMap.put("SMOWNERID", newowner);
    //update the reference lead
    updateRef = zoho.crm.updateRecord("Leads", ID_FOR_REFERENCE_LEAD.toString(),refMap);
    //update the current lead
    updateOwner = zoho.crm.updateRecord("Leads",leadidStr,refMap);
}