public EmployeeService(
IEmployeeRepository repository,
ICsvMapper csvReader)
{
_repository = repository;
_csvReader = csvReader;
}
public IEnumerable <T> LoadData <T>(string csvFilePath, ICsvMapper <T> mapper)
{
if (csvFilePath == null)
{
throw new ArgumentNullException(nameof(csvFilePath));
}
if (!File.Exists(csvFilePath))
{
throw new ArgumentException($"Csv file {csvFilePath} does not exist", nameof(csvFilePath));
}
try
{
return(ProcessFile(csvFilePath, mapper));
}
catch (Exception e)
{
throw new ApplicationException($"Error processing csv file {csvFilePath}", e);
}
}
private static IEnumerable <T> ProcessFile <T>(string csvFilePath, ICsvMapper <T> mapper)
{
using (var reader = File.OpenText(csvFilePath))
{
var firstLine = true;
while (!reader.EndOfStream)
{
var line = reader.ReadLine();
if (firstLine)
{
firstLine = false;
continue;
}
if (!string.IsNullOrEmpty(line))
{
var parts = line.Split('|');
yield return(mapper.Map(parts));
}
}
}
}
public void Setup()
{
this.mapper = ConstructMapper();
}
public CsvAgent(ICsvGateway gateway, ICsvMapper mapper)
{
this.gateway = gateway;
this.mapper = mapper;
}
public CacheManager(IMemoryCache memoryCache, ICsvMapper csvMapper)
{
_memoryCache = memoryCache;
_csvMapper = csvMapper;
}
public void Setup()
{
this.mapper = ConstructMapper();
}
public CsvAgent(ICsvGateway gateway, ICsvMapper mapper)
{
this.gateway = gateway;
this.mapper = mapper;
}
