/// <summary>
/// Receives generating data type and index to be casted into CsvProduct class which is then used to fill up the csvOutput.
///
/// Writes summary in the cnosole for each callback.
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="data"></param>
/// <param name="index"></param>
/// <returns></returns>
public async override Task <Task> ParseAsync <T>(T data, int index)
{
CsvProduct product = (CsvProduct)Convert.ChangeType(data, typeof(CsvProduct));
CsvOutput output = new CsvOutput
{
Filename = GetFileReader().GetFilename(),
Id = product.Id,
Quantity = product.Quantity,
Price = product.Price
};
await SemaphoreSlim.WaitAsync();
try
{
if (AsyncFileWriter)
{
CsvOutputSerializer csv = new CsvOutputSerializer(output);
await GetStreamWriter().WriteLineAsync(csv.ToCsvString());
}
else
{
await AppendOutput(output);
}
Console.WriteLine("[CSV PARSER ] Processing line: {0} of file: {1}", index + 1, GetFileReader().GetFilename());
}
finally
{
SemaphoreSlim.Release();
}
return(Task.CompletedTask);
}
public void Setup()
{
// We'll be using ; as a delimiter to generate a CSV output (single line).
Delimiter = ";";
// CsvOutput with values to be used in this test context
Output = new CsvOutput()
{
Filename = "test.csv",
Id = "ABCDEF",
Quantity = 1000,
Price = 7.62
};
CsvSerializer = new CsvOutputSerializer(Output, Delimiter);
}
/// <summary>
/// Receives genereric data with an index and converts it into a JSON serialized object of class JsonProduct by converting the generic data into a string.
///
/// Prints summary in the console and fills the csvOutput later used to generate final output file.
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="data"></param>
/// <param name="index"></param>
/// <returns></returns>
public async override Task <Task> ParseAsync <T>(T data, int index)
{
try {
string json = (string)Convert.ChangeType(data, typeof(string));
var product = JsonConvert.DeserializeObject <JsonProduct>(json);
CsvOutput output = new CsvOutput
{
Filename = GetFileReader().GetFilename(),
Id = product.Id,
Quantity = product.Quantity,
Price = product.Price
};
await SemaphoreSlim.WaitAsync();
try
{
if (AsyncFileWriter)
{
CsvOutputSerializer csv = new CsvOutputSerializer(output);
await GetStreamWriter().WriteLineAsync(csv.ToCsvString());
}
else
{
await AppendOutput(output);
}
Console.WriteLine("[JSON PARSER] Processing line: {0} of file: {1}", index, GetFileReader().GetFilename());
}
finally
{
SemaphoreSlim.Release();
}
} catch (Exception)
{
Console.WriteLine("[JSON PARSER] ERROR: Unable to parse JSON object on line {0} of file: {1}", index, GetFileReader().GetFilename());
}
return(Task.CompletedTask);
}
