/// <summary>
/// Checks the account number. If it's shorter than defined in the country format rules a '0' is prefixed
/// until it fits the required length.
/// </summary>
/// <param name="country">The given country.</param>
/// <param name="accountNumber">The given account number</param>
/// <returns>The account number fit to country format.</returns>
protected string CheckAccountNumber(Country country, string accountNumber)
{
// check if account number fits maximum length
while (accountNumber.Length < Int32.Parse(country.AccountNumberLength))
{
accountNumber = "0" + accountNumber;
}
return accountNumber;
}
/// <summary>
/// Considers rules. When there are rules that match to bank ident or account number, those rules take effect.
/// </summary>
/// <param name="bank">The bank, for which the rules depend to.</param>
/// <param name="rule">The rules.</param>
/// <param name="country">The country the rules depend to.</param>
/// <param name="accountNumber">The account number for which the rules should be checked for.</param>
/// <returns>The generated result.</returns>
/// <exception cref="IbanException">
/// <list type="table">
/// <item>
/// <term><see cref="RuleType"/></term>
/// <description>NoCalculation</description>
/// <description>When iban calculation is not allowed.</description>
/// </item>
/// </list>
/// </exception>
private IbanBic ConsiderRule(Bank bank, Rule rule, Country country, string accountNumber)
{
string temp_bank_ident = bank.BankIdentification;
string temp_account_number = accountNumber;
string temp_bic = bank.BIC.Bic;
Iban iban = new Iban();
IbanBic result = new IbanBic();
// Check if rule is 000000
if (rule.RuleID.Equals("000000"))
{
iban.Bank = new Bank();
iban.Bank.BankIdentification = bank.BankIdentification;
iban.AccountNumber = accountNumber;
result.IBAN = iban;
result.BIC = new BankIdentifierCode() { Bic = temp_bic };
return result;
}
// Check if rule is 000100
if (rule.RuleID.Equals("000100"))
throw new IbanException(IbanExceptionType.NoCalculation);
// delete leading 0s in account number
temp_account_number = temp_account_number.TrimStart(new char[] { '0' });
// consider each possible rule
// 1. No Calculation
if ((from count in rule.RuleElements
where count.RuleType == RuleType.No_Calculation
&& (from bi in count.Childs
where bi.RuleType == RuleType.Kto_Number_Range
&& _regexpHelper.RegexpMatch(bi.Attributes.Where(t => t.Key.Equals("blz")).Select(t => t.Value).First(), temp_bank_ident)
&& _regexpHelper.RegexpMatch(bi.Data, temp_account_number)
select bi).Count() == 1
select count).Count() > 0)
{
// No calculation
throw new IbanException(IbanExceptionType.NoCalculation);
}
// 2. Kto Mapping
if ((from count in rule.RuleElements
where count.RuleType == RuleType.Mappings_Kto
&& _regexpHelper.RegexpMatch(count.Attributes.Where(t => t.Key.Equals("blz")).Select(t => t.Value).First(), temp_bank_ident)
&& (from mapp in count.Childs
where mapp.RuleType == RuleType.Mapping
&& _regexpHelper.RegexpMatch(mapp.Attributes.Where(t => t.Key.Equals("from")).Select(t => t.Value).First(), temp_account_number)
select mapp).Count() == 1
select count).Count() == 1)
{
var kto_mapping = (from kto in rule.RuleElements
where kto.RuleType == RuleType.Mappings_Kto
&& _regexpHelper.RegexpMatch(kto.Attributes.Where(t => t.Key.Equals("blz")).Select(t => t.Value).First(), temp_bank_ident)
&& (from mapp in kto.Childs
where mapp.RuleType == RuleType.Mapping
&& _regexpHelper.RegexpMatch(mapp.Attributes.Where(t => t.Key.Equals("from")).Select(t => t.Value).First(), temp_account_number)
select mapp).Count() == 1
select kto).First();
// account number
temp_account_number = (from mapp in kto_mapping.Childs
where mapp.RuleType == RuleType.Mapping
&& _regexpHelper.RegexpMatch(mapp.Attributes.Where(t => t.Key.Equals("from")).Select(t => t.Value).First(), temp_account_number)
select mapp.Data).First();
// should also bank ident be mapped?
if (kto_mapping.Attributes.Where(t => t.Key.Equals("blz_new")).Select(t => t.Value).Count() == 1)
{
// there should also be a bank ident mapping
temp_bank_ident = kto_mapping.Attributes.Where(t => t.Key.Equals("blz_new")).Select(t => t.Value).First();
// if bank ident has changed, get new BIC
using (Bank bank_temp = _dataService.LoadBank(temp_bank_ident))
{
temp_bic = bank_temp.BIC.Bic;
}
}
}
// 3. KtoKr Mapping
if ((from count in rule.RuleElements
where count.RuleType == RuleType.Mappings_KtoKr
&& _regexpHelper.RegexpMatch(count.Attributes.Where(t => t.Key.Equals("kto")).Select(t => t.Value).First(), temp_account_number)
&& (from mapp in count.Childs
where mapp.RuleType == RuleType.Mapping
&& mapp.Attributes.Where(t => t.Key.Equals("from")).Select(t => t.Value).First().Equals(temp_account_number.Substring(0, 3))
select mapp).Count() == 1
select count).Count() == 1)
{
var ktokr_mapping = (from ktokr in rule.RuleElements
where ktokr.RuleType == RuleType.Mappings_KtoKr
&& _regexpHelper.RegexpMatch(ktokr.Attributes.Where(t => t.Key.Equals("kto")).Select(t => t.Value).First(), temp_account_number)
&& (from mapp in ktokr.Childs
where mapp.RuleType == RuleType.Mapping
&& mapp.Attributes.Where(t => t.Key.Equals("from")).Select(t => t.Value).First().Equals(temp_account_number.Substring(0, 3))
select mapp).Count() == 1
select ktokr).First();
temp_bank_ident = (from mapp in ktokr_mapping.Childs
where mapp.RuleType == RuleType.Mapping
&& mapp.Attributes.Where(t => t.Key.Equals("from")).Select(t => t.Value).First().Equals(temp_account_number.Substring(0, 3))
select mapp.Data).First();
// if bank ident has changed, get new BIC
using (Bank bank_temp = _dataService.LoadBank(temp_bank_ident))
{
temp_bic = bank_temp.BIC.Bic;
}
}
// 4. Bank-Ident Mapping
if ((from count in rule.RuleElements
where count.RuleType == RuleType.Mappings_Blz
&& (from mapp in count.Childs
where mapp.RuleType == RuleType.Mapping
&& _regexpHelper.RegexpMatch(mapp.Attributes.Where(t => t.Key.Equals("from")).Select(t => t.Value).First(), temp_bank_ident)
select mapp).Count() == 1
select count).Count() == 1)
{
var bankident_mapping = (from bi in rule.RuleElements
where bi.RuleType == RuleType.Mappings_Blz
&& (from mapp in bi.Childs
where mapp.RuleType == RuleType.Mapping
&& _regexpHelper.RegexpMatch(mapp.Attributes.Where(t => t.Key.Equals("from")).Select(t => t.Value).First(), temp_bank_ident)
select mapp).Count() == 1
select bi).First();
temp_bank_ident = (from mapp in bankident_mapping.Childs
where mapp.RuleType == RuleType.Mapping
&& _regexpHelper.RegexpMatch(mapp.Attributes.Where(t => t.Key.Equals("from")).Select(t => t.Value).First(), temp_bank_ident)
select mapp.Data).First();
// if bank ident has changed, get new BIC
using (Bank bank_temp = _dataService.LoadBank(temp_bank_ident))
{
temp_bic = bank_temp.BIC.Bic;
}
}
// 5. Kto Mod
if ((from count in rule.RuleElements
where count.RuleType == RuleType.Modification_Kto
&& (from mapp in count.Childs
where mapp.RuleType == RuleType.Modification
&& _regexpHelper.RegexpMatch(mapp.Attributes.Where(t => t.Key.Equals("blz")).Select(t => t.Value).First(), temp_bank_ident)
&& _regexpHelper.RegexpMatch(mapp.Data, temp_account_number)
select mapp).Count() == 1
select count).Count() == 1)
{
var kto_mod = (from kto in rule.RuleElements
where kto.RuleType == RuleType.Modification_Kto
&& (from mapp in kto.Childs
where mapp.RuleType == RuleType.Modification
&& _regexpHelper.RegexpMatch(mapp.Attributes.Where(t => t.Key.Equals("blz")).Select(t => t.Value).First(), temp_bank_ident)
&& _regexpHelper.RegexpMatch(mapp.Data, temp_account_number)
select mapp).Count() == 1
select kto).First();
var mod = (from mapp in kto_mod.Childs
where mapp.RuleType == RuleType.Modification
&& _regexpHelper.RegexpMatch(mapp.Attributes.Where(t => t.Key.Equals("blz")).Select(t => t.Value).First(), temp_bank_ident)
&& _regexpHelper.RegexpMatch(mapp.Data, temp_account_number)
select mapp).First();
_regexpHelper.RegexpMatch(mod.Data, temp_account_number, out temp_account_number);
}
// 6. BIC mapping
if ((from count in rule.RuleElements
where count.RuleType == RuleType.Mappings_Bic
&& (from mapp in count.Childs
where mapp.RuleType == RuleType.Mapping
&& _regexpHelper.RegexpMatch(mapp.Attributes.Where(t => t.Key.Equals("blz")).Select(t => t.Value).First(), bank.BankIdentification)
select mapp).Count() == 1
select count).Count() == 1)
{
var mapp_bic = (from mbic in rule.RuleElements
where mbic.RuleType == RuleType.Mappings_Bic
&& (from mapp in mbic.Childs
where mapp.RuleType == RuleType.Mapping
&& _regexpHelper.RegexpMatch(mapp.Attributes.Where(t => t.Key.Equals("blz")).Select(t => t.Value).First(), bank.BankIdentification)
select mapp).Count() == 1
select mbic).First();
temp_bic = (from bic in mapp_bic.Childs
where bic.RuleType == RuleType.Mapping
&& _regexpHelper.RegexpMatch(bic.Attributes.Where(t => t.Key.Equals("blz")).Select(t => t.Value).First(), bank.BankIdentification)
select bic.Data).First();
}
iban.AccountNumber = temp_account_number;
// if bank ident changed, reload bank
if (!temp_bank_ident.Equals(bank.BankIdentification))
{
bank = _dataService.LoadBank(temp_bank_ident);
}
iban.Bank = bank;
result.IBAN = iban;
result.BIC = new BankIdentifierCode() { Bic = temp_bic };
return result;
}
/// <summary>
/// Checks if a band ident fits the country format rules.
/// </summary>
/// <param name="country">The given country.</param>
/// <param name="bankIdent">The given bank ident</param>
/// <returns>'True' if the format is ok, otherwise 'false'.</returns>
protected bool CheckBankIdent(Country country, string bankIdent)
{
if (Int32.Parse(country.BankIdentLength) != bankIdent.Length)
return false;
return true;
}