protected override async Task PerformInternal(UserViewModel user, IEnumerable <string> arguments)
{
string filePath = (await this.ReplaceStringWithSpecialModifiers(this.FilePath, user, arguments));
if (this.FileActionType == FileActionTypeEnum.SaveToFile || this.FileActionType == FileActionTypeEnum.AppendToFile)
{
filePath = filePath.ToFilePathString();
string textToWrite = (!string.IsNullOrEmpty(this.TransferText)) ? this.TransferText : string.Empty;
textToWrite = await this.ReplaceStringWithSpecialModifiers(textToWrite, user, arguments);
if (this.FileActionType == FileActionTypeEnum.SaveToFile)
{
await ChannelSession.Services.FileService.SaveFile(filePath, textToWrite);
}
else if (this.FileActionType == FileActionTypeEnum.AppendToFile)
{
string dataToWrite = textToWrite;
if (!string.IsNullOrEmpty(await ChannelSession.Services.FileService.ReadFile(filePath)))
{
dataToWrite = Environment.NewLine + dataToWrite;
}
await ChannelSession.Services.FileService.AppendFile(filePath, dataToWrite);
}
}
else
{
SpecialIdentifierStringBuilder.RemoveCustomSpecialIdentifier(this.TransferText);
string data = await ChannelSession.Services.FileService.ReadFile(filePath);
if (!string.IsNullOrEmpty(data))
{
if (this.FileActionType == FileActionTypeEnum.ReadSpecificLineFromFile || this.FileActionType == FileActionTypeEnum.ReadRandomLineFromFile ||
this.FileActionType == FileActionTypeEnum.RemoveSpecificLineFromFile || this.FileActionType == FileActionTypeEnum.RemoveRandomLineFromFile)
{
List <string> lines = new List <string>(data.Split(new string[] { Environment.NewLine, "\n" }, StringSplitOptions.RemoveEmptyEntries));
if (lines.Count > 0)
{
int lineIndex = -1;
if (this.FileActionType == FileActionTypeEnum.ReadSpecificLineFromFile || this.FileActionType == FileActionTypeEnum.RemoveSpecificLineFromFile)
{
if (!string.IsNullOrEmpty(this.LineIndexToRead))
{
string lineToRead = await this.ReplaceStringWithSpecialModifiers(this.LineIndexToRead, user, arguments);
if (int.TryParse(lineToRead, out lineIndex))
{
lineIndex = lineIndex - 1;
if (lineIndex >= 0 && lineIndex < lines.Count)
{
data = lines[lineIndex];
}
else
{
return;
}
}
}
}
else
{
lineIndex = RandomHelper.GenerateRandomNumber(lines.Count);
data = lines[lineIndex];
}
if (this.FileActionType == FileActionTypeEnum.RemoveSpecificLineFromFile || this.FileActionType == FileActionTypeEnum.RemoveRandomLineFromFile)
{
if (lineIndex >= 0)
{
lines.RemoveAt(lineIndex);
await ChannelSession.Services.FileService.SaveFile(filePath, string.Join(Environment.NewLine, lines));
}
}
}
else
{
return;
}
}
data = await this.ReplaceStringWithSpecialModifiers(data, user, arguments);
SpecialIdentifierStringBuilder.AddCustomSpecialIdentifier(this.TransferText, data);
}
}
}