/* ReadFile should be made public and tested
*
* All methods of this method would be public and tested,
* But we still would write another unit test for this method,
* with mock of StreamReader.
*/
public static List <string> ReadFile(string path, string fileName, FileExtensionEnum fileExt)
{
var fileNameWithExt = AddExtensionToFileName(fileName, fileExt);
var fullPath = GetFullPath(path, fileNameWithExt);
var lines = ReadFile(fullPath);
return(lines);
}
public bool GetAccess(string dialogTitle, FileExtensionEnum fileExtension)
{
switch (fileExtension)
{
case FileExtensionEnum.XML:
dialog.DefaultExt = "xml";
dialog.Filter = $"{dialog.Filter}|XML files (*.xml)|*.xml";
break;
case FileExtensionEnum.XSD:
dialog.DefaultExt = "xsd";
dialog.Filter = $"{dialog.Filter}|XSD files (*.xsd)|*.xsd";
break;
default:
break;
}
return(dialog.ShowDialog() == true);
}
public void Should_AddExtensionToFileName(string fileName, FileExtensionEnum extension, string expected)
{
var fileNameWithExt = FileReader.AddExtensionToFileName(fileName, extension);
Assert.Equal(fileNameWithExt, expected);
}
/// <summary>
/// T is a object.
/// By default file will be saved on local machine desktop.
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="source"></param>
/// <param name="path"></param>
/// <param name="fileType"></param>
/// <returns>Awaitable task.</returns>
public static async System.Threading.Tasks.Task ToCsv <T>(this T source, string path = null, FileExtensionEnum fileType = FileExtensionEnum.Csv) where T : class
{
source.ThrowIfNull();
System.Text.StringBuilder builder = new System.Text.StringBuilder();
if (!string.IsNullOrEmpty(path))
{
builder.Append(path).Append(fileType);
}
else
{
builder.Clear()
.Append(System.Environment.GetFolderPath(System.Environment.SpecialFolder.Desktop)).Append('/')
.Append(System.DateTime.Now.ToShortDateString().Replace('/', '-')).Append('.');
builder.Append(fileType);
}
var propertiesInfo = source.GetType().GetProperties().Select(x => x.Name);
var objects = propertiesInfo as System.Collections.Generic.IList <string> ?? propertiesInfo.ToList();
objects.ThrowIfNull();
using (System.IO.FileStream stream = System.IO.File.Create(builder.ToString()))
{
// Property name write.
builder.Clear();
foreach (var s in objects)
{
if (s == objects.LastOrDefault())
{
builder.Append(s);
continue;
}
builder.Append(s).Append(',');
}
byte[] text = new System.Text.UTF8Encoding(true).GetBytes(builder + System.Environment.NewLine);
await stream.WriteAsync(text, 0, text.Length);
// Property value write.
builder.Clear();
foreach (var s in objects)
{
var value = source.GetType().GetProperty(s)?.GetValue(source, null);
if (s == objects.LastOrDefault())
{
builder.Append(value);
continue;
}
builder.Append(value).Append(',');
}
text = new System.Text.UTF8Encoding(true).GetBytes(builder.ToString());
await stream.WriteAsync(text, 0, builder.Length);
}
}
public static string AddExtensionToFileName(string fileName, FileExtensionEnum extEnum)
{
return(string.Format("{0}.{1}", fileName, extEnum.GetDescription()));
}