How to using x++ creating Vendors [AX2012]

.//Create party for the vendor
public void createParty(VendorRequestCreate          _vendorRequestCreate)
{
    ;
    if(_vendorRequestCreate.DirPartyType        == DirPartyBaseType::Person)
    {
        dirPerson.Name                          = _vendorRequestCreate.VendorName;
        dirPerson.NameAlias                     = _vendorRequestCreate.FirstName;
        dirPerson.NameSequence                  = dirNameSequence::find('First Last').RecId;
        dirPerson.insert();

        dirPersonName.FirstName                 = _vendorRequestCreate.FirstName;
        dirPersonName.MiddleName                = _vendorRequestCreate.MiddleName;
        dirPersonName.LastName                  = _vendorRequestCreate.LastName;
        dirPersonName.ValidFrom                 = DateTimeUtil::newDateTime(systemDateGet(),str2time ('00:00:00'),DateTimeUtil::getUserPreferredTimeZone());
        dirPersonName.ValidTo                   = DateTimeUtil::maxValue();
        dirPersonName.Person                    = dirPerson.RecId;
        dirPersonName.insert();

        dirParty                                = new DirParty(dirPerson);
    }
    else
    {
        dirOrganisation.Name                    = _vendorRequestCreate.VendorName;
        dirOrganisation.NameAlias               = _vendorRequestCreate.FirstName;
        dirOrganisation.LanguageId              = 'EN-US';
        dirOrganisation.KnownAs                 = _vendorRequestCreate.VendorName;
        dirOrganisation.PhoneticName            = _vendorRequestCreate.VendorName;
        dirOrganisation.insert();

        dirParty                                = new DirParty(dirOrganisation);
    }

}

.//Create vendor and associate with vendor
public void convertToVendor(VendorRequestCreate          _vendorRequestCreate)
{
    VendorRequestCreate                  vendorRequestCreate = VendorRequestCreate::find(_vendorRequestCreate.VendorNo,true);
    ;

    if(_vendorRequestCreate.DirPartyType    == DirPartyBaseType::Person)
        vendTable.Party         = dirPerson.RecId;
    else
        vendTable.Party         = dirOrganisation.RecId;

    ttsBegin;
    vendTable.AccountNum    = NumberSeq::newGetNum(VendParameters::numRefVendAccount()).num();
    ttsCommit;
    if(vendTable.AccountNum == '')
        vendTable.AccountNum= int2str(_vendorRequestCreate.VendorNo);

    vendTable.Currency      = _vendorRequestCreate.CurrencyCode;
    vendTable.VendGroup     = _vendorRequestCreate.VendGroupId;
    vendTable.PaymTermId    = _vendorRequestCreate.PaymTermId;
    vendTable.DefaultDimension = _vendorRequestCreate.DefaultDimension;
    vendTable.OneTimeVendor = _vendorRequestCreate.OneTimeSupplier;
    vendTable.PaymMode      = _vendorRequestCreate.PaymMode;
    vendTable.BankAccount   = _vendorRequestCreate.BankAccount;
    vendTable.WI_Remarks    = _vendorRequestCreate.Remarks;
    vendTable.WI_DepartmentEmail = _vendorRequestCreate.DepartmentEmail;
    vendTable.insert();

    this.createPostalAddress(_vendorRequestCreate);
    this.createCommAddress(_vendorRequestCreate);
    this.createBankDetails(_vendorRequestCreate,vendTable.AccountNum);
    this.createContact(_vendorRequestCreate,vendTable.Party);

    if(vendTable.RecId)
    {
        vendorRequestCreate.VendAccount = vendTable.AccountNum;
        vendorRequestCreate.update();
        info(strFmt('Vendor %1 has been successfully created',vendTable.AccountNum));
    }

}

.//Create postal address
public void createPostalAddress(VendorRequestCreate          _vendorRequestCreate)
{
    VendorRequestAddress             vendorRequestAddress;
    DirPartyPostalAddressView           dirPartyPostalAddressView;
    ;

    select Addressing, LogisticsAddressCity, LogisticsAddressCountryRegionId, LogisticsAddressStateId,
            LogisticsAddressZipCodeId from vendorRequestAddress
        where vendorRequestAddress.WI_VendorRequestCreate       == _vendorRequestCreate.RecId;

    // Create postal address
    if(dirPerson.RecId || dirOrganisation.RecId)
    {
        dirPartyPostalAddressView.LocationName                  = 'Primary business';
        dirPartyPostalAddressView.Address                       = vendorRequestAddress.Addressing;
        dirPartyPostalAddressView.City                          = vendorRequestAddress.LogisticsAddressCity;
        dirPartyPostalAddressView.ZipCode                       = vendorRequestAddress.LogisticsAddressZipCodeId;
        dirPartyPostalAddressView.State                         = vendorRequestAddress.LogisticsAddressStateId;
        dirPartyPostalAddressView.Street                        = vendorRequestAddress.Addressing;
        //dirPartyPostalAddressView.Street                        = 'Dover Street';
        //dirPartyPostalAddressView.StreetNumber                  = '123';
        dirPartyPostalAddressView.CountryRegionId               = vendorRequestAddress.LogisticsAddressCountryRegionId;

        dirParty.createOrUpdatePostalAddress(dirPartyPostalAddressView);
    }

}

.//Create communication details
public void createCommAddress(VendorRequestCreate          _vendorRequestCreate)
{

    VendorRequestCommunication       vendorRequestCommunication;
    ;

    select Phone1, Phone2, Email, Fax from vendorRequestCommunication
            where vendorRequestCommunication.WI_VendorRequestCreate == _vendorRequestCreate.RecId;

    //Phone 1
    if(vendorRequestCommunication.Phone1 != '' && vendTable.Party != )
    {
        logisticsLocation.clear();
        logisticsLocation   = LogisticsLocation::create('Phone', NoYes::No);

        dirPartyContactInfoView.LocationName                = 'Primay Phone 1';
        dirPartyContactInfoView.Locator                     = vendorRequestCommunication.Phone1;
        dirPartyContactInfoView.Type                        = LogisticsElectronicAddressMethodType::Phone;
        dirPartyContactInfoView.Party                       = vendTable.Party;
        dirPartyContactInfoView.IsPrimary                   = NoYes::Yes;
        dirParty.createOrUpdateContactInfo(dirPartyContactInfoView);
    }

    //Phone 2
    if(vendorRequestCommunication.Phone2 != '' && vendTable.Party != )
    {
        logisticsLocation.clear();
        logisticsLocation   = LogisticsLocation::create('Phone', NoYes::No);

        dirPartyContactInfoView.LocationName                = 'Primay Phone 2';
        dirPartyContactInfoView.Locator                     = vendorRequestCommunication.Phone2;
        dirPartyContactInfoView.Type                        = LogisticsElectronicAddressMethodType::Phone;
        dirPartyContactInfoView.Party                       = vendTable.Party;
        dirPartyContactInfoView.IsPrimary                   = NoYes::No;
        dirParty.createOrUpdateContactInfo(dirPartyContactInfoView);
    }

    //Email
    if(vendorRequestCommunication.Email != '' && vendTable.Party != )
    {
        logisticsLocation.clear();
        logisticsLocation   = LogisticsLocation::create('Phone', NoYes::No);

        dirPartyContactInfoView.LocationName                = 'Primay Email';
        dirPartyContactInfoView.Locator                     = vendorRequestCommunication.Email;
        dirPartyContactInfoView.Type                        = LogisticsElectronicAddressMethodType::Email;
        dirPartyContactInfoView.Party                       = vendTable.Party;
        dirPartyContactInfoView.IsPrimary                   = NoYes::Yes;
        dirParty.createOrUpdateContactInfo(dirPartyContactInfoView);
    }

    //Fax
    if(vendorRequestCommunication.Fax != '' && vendTable.Party != )
    {
        logisticsLocation.clear();
        logisticsLocation   = LogisticsLocation::create('Phone', NoYes::No);

        dirPartyContactInfoView.LocationName                = 'Primay Fax';
        dirPartyContactInfoView.Locator                     = vendorRequestCommunication.Fax;
        dirPartyContactInfoView.Type                        = LogisticsElectronicAddressMethodType::Fax;
        dirPartyContactInfoView.Party                       = vendTable.Party;
        dirPartyContactInfoView.IsPrimary                   = NoYes::Yes;
        dirParty.createOrUpdateContactInfo(dirPartyContactInfoView);
    }
}

.//Create bank details for the vendor
private void createBankDetails(WI_VendorRequestCreate          _vendorRequestCreate,
                               VendAccount                     _vendAcc)
{
    VendBankAccount         vendBankAccount;
    LogisticsLocation       lLogisticsLocation;
    LogisticsPostalAddress  logisticsPostalAddress;

    ;

    ttsBegin;

    lLogisticsLocation.Description      = _vendorRequestCreate.FirstName;
    lLogisticsLocation.insert();

    logisticsPostalAddress.Street       = _vendorRequestCreate.VendBankAddress;
    logisticsPostalAddress.Address      = _vendorRequestCreate.VendBankAddress;
    logisticsPostalAddress.Location     = lLogisticsLocation.RecId;
    logisticsPostalAddress.insert();

    vendBankAccount.AccountID           = subStr(_vendorRequestCreate.BankAccount,,);
    vendBankAccount.Name                = _vendorRequestCreate.BankAccount;
    vendBankAccount.AccountNum          = _vendorRequestCreate.BankAccountNum;
    vendBankAccount.VendAccount         = _vendAcc;
    vendBankAccount.CurrencyCode        = _vendorRequestCreate.CurrencyCode;
    vendBankAccount.BankGroupID         = BankAccountTable::find(vendBankAccount.AccountID).BankGroupId;
    vendBankAccount.Location            = lLogisticsLocation.RecId;
    vendBankAccount.WI_BeneficiaryName  = _vendorRequestCreate.BeneficiaryName;
    vendBankAccount.initFromBankGroup(BankGroup::find(vendBankAccount.BankGroupID));

    vendBankAccount.insert();
    ttsCommit;
}

.
//Create contact for the vendor
private void createContact(VendorRequestCreate       _vendorRequestCreate,
                           RefRecId                     _partyId)
{
    ContactPerson           contactPerson;
    DirPersonName           lDirPersonName;
    DirPerson               lDirPerson;
    DirParty                lDirParty;
    LogisticsLocation       lLogisticsLocation;
    DirPartyContactInfoView             lDirPartyContactInfoView;
    ;

    //Create party for Contact
    lDirPerson.Name                          = _vendorRequestCreate.ContactPersonName;
    lDirPerson.NameAlias                     = _vendorRequestCreate.ContactPersonName;
    lDirPerson.NameSequence                  = dirNameSequence::find('First Last').RecId;
    lDirPerson.insert();

    lDirPersonName.FirstName                 = _vendorRequestCreate.ContactPersonName;
    //lDirPersonName.MiddleName                = _vendorRequestCreate.ContactPersonName;
    //lDirPersonName.LastName                  = _vendorRequestCreate.LastName;
    lDirPersonName.ValidFrom                 = DateTimeUtil::newDateTime(systemDateGet(),str2time ('00:00:00'),DateTimeUtil::getUserPreferredTimeZone());
    lDirPersonName.ValidTo                   = DateTimeUtil::maxValue();
    lDirPersonName.Person                    = lDirPerson.RecId;
    lDirPersonName.insert();

    lDirParty                                = new DirParty(lDirPerson);

    //Create contact and associate with party
    contactPerson.ContactForParty           = vendTable.Party;
    contactPerson.Party                     = lDirPerson.RecId;
    contactPerson.insert();

    //Create contact number
    if(_vendorRequestCreate.ContactPersonNo != '')
    {
        lLogisticsLocation.clear();
        lLogisticsLocation                  = LogisticsLocation::create('Phone', NoYes::No);

        lDirPartyContactInfoView.LocationName                = 'Primay Phone';
        lDirPartyContactInfoView.Locator                     = _vendorRequestCreate.ContactPersonNo;
        lDirPartyContactInfoView.Type                        = LogisticsElectronicAddressMethodType::Phone;
        lDirPartyContactInfoView.Party                       = contactPerson.Party;
        lDirPartyContactInfoView.IsPrimary                   = NoYes::Yes;
        lDirParty.createOrUpdateContactInfo(lDirPartyContactInfoView);
    }
}