see this and cry, cry loudly to the heavens

whyDRYcantStandWithUs.js

[HttpPost]
public HttpResponseMessage UpdateSomething(Parameters parameters)
{
  _logger.Debug("some useful info here");
  try
  {
    var response = new HttpResponseMessage();

    var eletran = ctx.ElementTransactions.Where(s => s.ElementNo == parameters.ElementId).First();

    if (eletran != null && eletran.ElementNo > 0)
    {
      var dt = DateTime.Parse(eletran.DocumentPeriod + "-01");
      var documentPeriod = string.IsNullOrWhiteSpace(eletran.DocumentPeriodType) ? $"{dt:MMM}-{dt:yy}" : $"{dt:MMM}-{dt:yy} {eletran.DocumentPeriodType}";

      var inv = ctx.Elements.Where(s => s.ElementNo == parameters.ElementId).ToList();
      var minTableName = ctx.TableName.Where(s => s.ElementId == parameters.ElementId).FirstOrDefault();

      if (minTableName == null)
      {
        response.StatusCode = HttpStatusCode.OK;
        response.Content = new StringContent("REDACTED");
      }
      else if (inv.Count > 0)
      {
        response.StatusCode = HttpStatusCode.OK;
        response.Content = new StringContent("WTF REPEATING STRING.");
      }
      else if (minTableName.ElementId > 0)
      {
        if (minTableName.Entity == eletran.Customer && minTableName.Month != documentPeriod)
        {
          response.StatusCode = HttpStatusCode.OK;
          response.Content = new StringContent("REDACTED");
        }
        else if (minTableName.Entity != eletran.Customer && minTableName.Month == documentPeriod)
        {
          response.StatusCode = HttpStatusCode.OK;
          response.Content = new StringContent("REDACTED");
        }
        else if (minTableName.Entity != eletran.Customer && minTableName.Month != documentPeriod)
        {
          response.StatusCode = HttpStatusCode.OK;
          response.Content = new StringContent("REDACTED");
        }
        else if (inv.Count == 0 && minTableName.Entity == eletran.Customer && minTableName.Month == documentPeriod)
        {
          eletran.TranStatus = "Manually Generated";
          eletran.ElementNo = parameters.ElementId;
          ctx.SaveChanges();
          response.StatusCode = HttpStatusCode.OK;
        }
        else
        {
          response.StatusCode = HttpStatusCode.OK;
          response.Content = new StringContent("WTF REPEATING STRING.");
        }
      }
      else
      {
        response.StatusCode = HttpStatusCode.OK;
        response.Content = new StringContent("WTF REPEATING STRING.");
      }
    }
    else
    {
      response.StatusCode = HttpStatusCode.OK;
      response.Content = new StringContent("Data not found.");
    }

    return response;
  }
  catch (Exception ex)
  {
    _logger.Error(ex);
    var response = new HttpResponseMessage();
    response.StatusCode = HttpStatusCode.InternalServerError;
    return response;
  }
}