private void RetrieveAndPersistAllLanguagesForThisVin(string vin)
{
List <string> requiredNativeLangCodes = new List <string>();
foreach (SupportedLanguage value in
Enum.GetValues(typeof(SupportedLanguage)))
{
CharacteristicsLanguageMapper mapper =
new CharacteristicsLanguageMapper(
VinChecker.GetManufacturer(vin));
string nativeLangValue = mapper.GetSpecificCode(value);
if (!requiredNativeLangCodes.Contains(nativeLangValue))
{
requiredNativeLangCodes.Add(nativeLangValue);
}
}
foreach (string code in requiredNativeLangCodes)
{
IVendorCharacteristicsProvider provider =
VendorCharacteristicsProviderFactory.Create(
VinChecker.GetManufacturer(vin));
VehicleCharacteristics chars = provider.GetByVin(vin, code);
PersistVehicleCharacteristics(chars);
}
}
public VehicleCharacteristics GetVehicleCharacteristicsForVin(
string vin, SupportedLanguage preferredLanguage)
{
CharacteristicsLanguageMapper mapper =
new CharacteristicsLanguageMapper(
VinChecker.GetManufacturer(vin));
string langCode = mapper.GetSpecificCode(preferredLanguage);
// 1. check our database
VehicleCharacteristics charsFromDatabase =
GetExactMatchFromDatabase(vin, langCode);
if (charsFromDatabase != null)
{
return(charsFromDatabase);
}
// 2. Do we have anything at all for this vin?
bool haveAnything = DoWeHaveAnythingForThisVin(vin);
if (haveAnything)
{
RetrieveAndPersistAllLangsWeDoNotHaveYetForThisVin(vin);
}
else
{
RetrieveAndPersistAllLanguagesForThisVin(vin);
}
// 3. Get best match
return(GetBestMatchFromOurDatabase(vin, langCode));
}
private void RetrieveAndPersistAllLangsWeDoNotHaveYetForThisVin(string vin)
{
IList <SupportedLanguage> langsWeLackForThisVin =
GetLangsWeDoNotHaveForVin(vin);
foreach (SupportedLanguage language in langsWeLackForThisVin)
{
IVendorCharacteristicsProvider provider =
VendorCharacteristicsProviderFactory.Create(
VinChecker.GetManufacturer(vin));
CharacteristicsLanguageMapper mapper =
new CharacteristicsLanguageMapper(VinChecker.GetManufacturer(vin));
VehicleCharacteristics chars = provider.GetByVin(vin,
mapper.GetSpecificCode(language));
PersistVehicleCharacteristics(chars);
}
}
private List <SupportedLanguage> GetLangsWeDoNotHaveForVin(string vin)
{
using (VTSDatabase database = new VTSDatabase())
{
List <SupportedLanguage> result = new List <SupportedLanguage>();
foreach (SupportedLanguage value in
Enum.GetValues(typeof(SupportedLanguage)))
{
CharacteristicsLanguageMapper mapper =
new CharacteristicsLanguageMapper(VinChecker.GetManufacturer(vin));
string langValue = mapper.GetSpecificCode(value);
if (!database.VehicleCharacteristics.Any(vc =>
vc.Vin == vin && vc.Language == langValue))
{
if (!result.Contains(value))
{
result.Add(value);
}
}
}
return(result);
}
}