public async Task <ActionResult> Post([FromForm] RequestModel requestModel)
{
if (requestModel.formFile == null)
{
ModelState.AddModelError("formFile", "Please upload the file.");
return(BadRequest(ModelState));
}
var result = await _fileParser.Read(requestModel.formFile.OpenReadStream());
var entities = result
.Where(y => y.TotalSalesAmount > requestModel.minimumSalesAmount && y.Timestamp < DateTimeOffset.UtcNow)
.Select(x => new CustomerSales()
{
CustomerId = x.CustomerId,
CustomerName = x.CustomerName,
CustomerType = x.CustomerType,
TotalSalesAmount = x.TotalSalesAmount,
Timestamp = x.Timestamp,
CreatedOn = DateTimeOffset.UtcNow,
UpdatedOn = DateTimeOffset.UtcNow
}).ToList();
await _dbContext.AddRangeAsync(entities);
_dbContext.SaveChanges();
return(Ok());
}