internal void AddPowerpointFile(string file)
{
if (file.EndsWith(".ppt") || file.EndsWith(".pptx") || file.EndsWith(".jpg"))
{
FilesToMerge.Add(file);
}
}
protected override void DoRun()
{
SetStatus(TaskStatus.Validating);
bool hasError = false;
string ext = null;
foreach (var file in FilesToMerge)
{
var fi = new FileInfo(file);
if (!fi.Exists)
{
hasError = true;
LogError($"Can't find file {file}, abort.");
}
if (ext == null)
{
ext = fi.Extension;
}
else
{
if (!string.Equals(ext, fi.Extension, StringComparison.OrdinalIgnoreCase))
{
hasError = true;
LogError("Input files have different extentions, abort.");
}
}
}
if (hasError)
{
return;
}
SetStatus(TaskStatus.Merging);
var listFile = Path.GetTempFileName();
var tempFileInfo = new FileInfo(Path.GetTempFileName());
var concatFile = tempFileInfo.FullName.Replace(tempFileInfo.Extension, ext);
File.WriteAllLines(listFile, FilesToMerge.Select(x => $"file \'{x}\'").ToArray());
var mergeArg = $"-f concat -safe 0 -i \"{listFile}\" -c copy \"{concatFile}\"";
LogInfo($"Task {TaskName} merge with arg:{mergeArg}");
if (_isCancelling)
{
return;
}
var exitCode = RunFfmpeg(mergeArg);
if (exitCode != 0)
{
Status = TaskStatus.Failed;
LogError($"Task {TaskName} merge failed ({exitCode}), abort.");
return;
}
if (_isCancelling)
{
return;
}
RunConvert(concatFile);
}
public async Task <string> MergeFiles(FilesToMerge filesToMerge)
{
var mergedFile = UglyToad.PdfPig.Writer.PdfMerger.Merge(filesToMerge.StarterFile, filesToMerge.FileToAdd);
await File.WriteAllBytesAsync($"{filesToMerge.SaveLocation}\\{filesToMerge.SaveName}", mergedFile);
var newPdfName = $"{filesToMerge.SaveLocation}\\{filesToMerge.SaveName}";
return(newPdfName);
}
internal int MovePPTDown()
{
var i = FilesToMerge.IndexOf(FilesToMerge_Selected);
if (i >= 0 && i < (FilesToMerge.Count - 1)) // -1 bc. at the last position you cannot go further down
{
var selected = FilesToMerge_Selected;
FilesToMerge.RemoveAt(i);
FilesToMerge.Insert(i + 1, selected);
i++;
}
return(i);
}
internal int MovePPTUp()
{
var i = FilesToMerge.IndexOf(FilesToMerge_Selected);
if (i > 0)
{
var selected = FilesToMerge_Selected;
FilesToMerge.RemoveAt(i);
FilesToMerge.Insert(i - 1, selected);
i--;
}
return(i);
}
internal void RemoveSelectedPowerpointFile()
{
if (String.IsNullOrEmpty(FilesToMerge_Selected))
{
System.Windows.MessageBox.Show("No File to remove selected");
return;
}
else
{
if (FilesToMerge.Contains(_FilesToMerge_Selected))
{
FilesToMerge.Remove(FilesToMerge_Selected);
}
}
}
protected override bool DoCanRun()
{
return(FilesToMerge.Any());
}
public async Task <IActionResult> MergePdfFiles(FilesToMerge filesToMerge)
{
var mergedFile = await _mergePdf.MergeFiles(filesToMerge);
return(Ok(mergedFile));
}
internal void MergePowerPoints()
{
OW.MoveSlides(FilesToMerge.ToList());
}
