public Core.ResultDefinition ValidateFile()
{
var schemaData = string.Empty;
var schemaParser = new SchemaParser();
var validationResults = new List <ValidationResult>();
var validator = new Validators.FixedLengthValidator();
if (this.RawSchema == null)
{
try
{
using (var sr = new StreamReader(File.OpenRead(this.SchemaFilePath)))
{
schemaData = sr.ReadToEnd();
}
}
catch (Exception ex)
{
var errorMsg = String.Format(null, SharedResources.SchemaError, ex.Message);
Console.WriteLine($"{errorMsg}");
}
this.RawSchema = schemaParser.ParseSchema(schemaData);
}
var separatedFileSchemaBuilder = new SeparatedSchemaBuilder();
var separatedFileSchema = separatedFileSchemaBuilder.BuildSchema(this.RawSchema);
var schemas = separatedFileSchema.SeparatedRecordSchemas;
var count = 0;
var options = new SeparatedValueOptions
{
Separator = separatedFileSchema.Delimeter,
PreserveWhiteSpace = true
};
foreach (var inputLine in File.ReadLines(this.FilePath))
{
Console.WriteLine($"Started parsing line...{count}");
if (inputLine != null)
{
SeparatedValueSchema actualSchema;
TextReader stringReader = new StringReader(inputLine);
var schema = schemas.FirstOrDefault(x => inputLine.StartsWith(x.RecordIdentifier));
count++;
var innerResults = new List <ValidationResult>();
var line = inputLine;
if (schema != null)
{
var parser = new SeparatedValueReader(stringReader, schema.SeparatedValueSchema, options);
if (!inputLine.Contains(options.Separator))
{
var error = new ValidationResult
{
Record = inputLine,
ErrorMessages = new List <string>
{
$"Column Separator Error: Record could not be parsed as separator {options.Separator} defined in schema is not found.",
},
HasErrors = true,
RowNumber = count,
};
validationResults.Add(error);
continue;
}
try
{
actualSchema = parser.GetSchema();
parser.Read();
var values = parser.GetValues();
for (int i = 0; i < values.Length; i++)
{
var validationResult = new ValidationResult
{
Record = inputLine,
ColumnName = actualSchema.ColumnDefinitions[i].ColumnName,
ColumnType = actualSchema.ColumnDefinitions[i].ColumnType.Name,
ActualRowLength = inputLine.Length,
MaxColumns = actualSchema.ColumnDefinitions.HandledCount,
ParsedValueLength = (values[i].ToString() ?? string.Empty).Length,
RawValueLength = (values[i].ToString() ?? string.Empty).Length,
ParsedValue = values[i].ToString() ?? string.Empty,
RawValue = values[i].ToString() ?? string.Empty,
RowNumber = count,
ParsedValuesCount = values.Count()
};
}
}
catch (Exception ex)
{
var errorMsg = string.Empty;
if (ex.InnerException != null && ex.InnerException.Message != null)
{
errorMsg = ex.InnerException.Message;
Console.WriteLine(ex.InnerException.Message);
}
else
{
errorMsg = ex.Message;
Console.WriteLine(ex.Message);
}
var error = new ValidationResult
{
RowNumber = count,
Record = inputLine,
ErrorMessages = new List <string>
{
$"Exception: {errorMsg}"
},
HasErrors = true
};
validationResults.Add(error);
}
}
else
{
var error = new ValidationResult
{
RowNumber = count,
Record = inputLine,
ErrorMessages = new List <string>
{
$"Exception: The row does not contain a record identifier that match the schema."
},
HasErrors = true
};
validationResults.Add(error);
}
}
}
var results = new Core.ResultDefinition
{
Results = validationResults,
TotalLinesProcessed = count,
FileFormat = this.RawSchema.FileFormat
};
return(results);
}
public Core.ResultDefinition ValidateFile()
{
var schemaData = string.Empty;
var schemaParser = new SchemaParser();
var validationResults = new List <ValidationResult>();
var validator = new Validators.FixedLengthValidator();
if (this.RawSchema == null)
{
try
{
using (var sr = new StreamReader(File.OpenRead(this.SchemaFilePath)))
{
schemaData = sr.ReadToEnd();
}
}
catch (Exception ex)
{
var errorMsg = String.Format(null, SharedResources.SchemaError, ex.Message);
Console.WriteLine($"{errorMsg}");
}
this.RawSchema = schemaParser.ParseSchema(schemaData);
}
var fixedLengthFileSchemaBuilder = new FixedLengthSchemaBuilder();
var fixedFileSchema = fixedLengthFileSchemaBuilder.BuildSchema(this.RawSchema);
var schemas = fixedFileSchema.FixedLengthRecordSchemas;
var count = 0;
foreach (var inputLine in File.ReadLines(this.FilePath))
{
Console.WriteLine($"Started parsing line...{count}");
if (inputLine != null)
{
FixedLengthSchema actualSchema;
TextReader stringReader = new StringReader(inputLine);
var schema = schemas.FirstOrDefault(x => inputLine.StartsWith(x.RecordIdentifier));
count++;
var innerResults = new List <ValidationResult>();
var line = inputLine;
if (schema != null)
{
var parser = new FixedLengthReader(stringReader, schema.FixedLengthSchema);
try
{
actualSchema = parser.GetSchema();
parser.Read();
var rawValues = GetRawValues(inputLine, schema.FixedLengthSchema);
var values = parser.GetValues();
for (int i = 0; i < values.Length; i++)
{
var validationResult = new ValidationResult
{
Record = inputLine,
ColumnName = actualSchema.ColumnDefinitions[i].ColumnName,
ColumnType = actualSchema.ColumnDefinitions[i].ColumnType.Name,
ActualRowLength = inputLine.Length,
MaxRowLength = actualSchema.TotalWidth,
ParsedValueLength = (values[i].ToString() ?? string.Empty).Length,
RawValueLength = rawValues[i].ToString().Length,
ColumnLength = actualSchema.Windows[i].Width,
FillCharacter = actualSchema.Windows[i].FillCharacter != null ? actualSchema.Windows[i].FillCharacter.ToString() : "Not specified",
TextAlignment = actualSchema.Windows[i].Alignment != null ? actualSchema.Windows[i].Alignment.ToString() : "Not specified",
ParsedValue = values[i].ToString() ?? string.Empty,
RawValue = rawValues[i].ToString() ?? string.Empty,
RowNumber = count
};
var failures = validator.Validate(validationResult);
if (failures.Errors != null && failures.Errors.Any() && !failures.IsValid)
{
var errors = new List <string>();
foreach (var error in failures.Errors)
{
errors.Add(error.ErrorMessage);
}
validationResult.ErrorMessages = errors;
validationResult.HasErrors = true;
line = line.Replace(validationResult.RawValue, $"<strong style='color:{HtmlColors[i%HtmlColors.Length]}'>{validationResult.RawValue}</strong>");
validationResult.Record = line;
validationResults.Add(validationResult);
}
}
}
catch (Exception ex)
{
var errorMsg = string.Empty;
if (ex.InnerException != null && ex.InnerException.Message != null)
{
errorMsg = ex.InnerException.Message;
Console.WriteLine(ex.InnerException.Message);
}
else
{
errorMsg = ex.Message;
Console.WriteLine(ex.Message);
}
var error = new ValidationResult
{
RowNumber = count,
Record = inputLine,
ErrorMessages = new List <string>
{
$"Exception: {errorMsg}"
},
HasErrors = true
};
validationResults.Add(error);
}
}
else
{
var error = new ValidationResult
{
RowNumber = count,
Record = inputLine,
ErrorMessages = new List <string>
{
$"Exception: The row does not contain a record identifier that match the schema."
},
HasErrors = true
};
validationResults.Add(error);
}
}
}
var results = new Core.ResultDefinition
{
Results = validationResults,
TotalLinesProcessed = count,
FileFormat = this.RawSchema.FileFormat,
FilePath = this.FilePath,
SchemaPath = this.SchemaFilePath
};
return(results);
}
