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Rearrange steps in saving project so .aup is cleaned up on failure

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This commit is contained in:
Paul Licameli 2017-10-23 17:28:58 -04:00
parent fd2a242012
commit 985457e992
1 changed files with 35 additions and 20 deletions
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55
src/Project.cpp
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@ -3821,6 +3821,11 @@ bool AudacityProject::Save(bool overwrite /* = true */ ,
// mStrOtherNamesArray is a temporary array of file names, used only when
// saving compressed
if (!success) {
wxMessageBox(wxString::Format(_("Could not save project. Perhaps %s \nis not writable or the disk is full."),
project.c_str()),
_("Error Saving Project"),
wxICON_ERROR, this);
// Make the export of tracks succeed all-or-none.
auto dir = project + wxT("_data");
for ( auto &name : mStrOtherNamesArray )
@ -3833,8 +3838,6 @@ bool AudacityProject::Save(bool overwrite /* = true */ ,
} );
if (fromSaveAs || mDirManager->GetProjectName() == wxT("")) {
// Write the tracks.
// This block of code is duplicated in WriteXML, for now...
project = mFileName;
if (project.Len() > 4 && project.Mid(project.Len() - 4) == wxT(".aup"))
@ -3842,26 +3845,48 @@ bool AudacityProject::Save(bool overwrite /* = true */ ,
projName = wxFileNameFromPath(project) + wxT("_data");
projPath = wxPathOnly(project);
success = false;
if( !wxDir::Exists( projPath ) ){
wxMessageBox(wxString::Format(
_("Could not save project. Path not found. Try creating \ndirectory \"%s\" before saving project with this name."),
projPath.c_str()),
_("Error Saving Project"),
wxICON_ERROR, this);
return false;
return (success = false);
}
if (bWantSaveCompressed)
{
// Do this before saving the .aup, because we accumulate
// mStrOtherNamesArray which affects the contents of the .aup
//v Move this condition into SaveCompressedWaveTracks() if want to support other formats.
#ifdef USE_LIBVORBIS
// This populates the array mStrOtherNamesArray
success = this->SaveCompressedWaveTracks(project);
#endif
}
else
if (!success)
return false;
}
// Write the .aup now, before DirManager::SetProject,
// because it's easier to clean up the effects of successful write of .aup
// followed by failed SetProject, than the other way about.
// And that cleanup is done by the destructor of saveFile, if Commit() is
// not done.
// (SetProject, when it fails, cleans itself up.)
XMLFileWriter saveFile{ mFileName, _("Error Saving Project") };
success = GuardedCall< bool >( [&] {
WriteXMLHeader(saveFile);
WriteXML(saveFile, bWantSaveCompressed);
return true;
} );
if (!success)
return false;
if (fromSaveAs || mDirManager->GetProjectName() == wxT("")) {
if (!bWantSaveCompressed)
{
// We are about to move files from the current directory to
// the NEW directory. We need to make sure files that belonged
@ -3889,24 +3914,14 @@ bool AudacityProject::Save(bool overwrite /* = true */ ,
success = mDirManager->SetProject(projPath, projName, !overwrite);
}
if (!success) {
wxMessageBox(wxString::Format(_("Could not save project. Perhaps %s \nis not writable or the disk is full."),
project.c_str()),
_("Error Saving Project"),
wxICON_ERROR, this);
if (!success)
return false;
}
}
success = GuardedCall< bool >( [&] {
// Write the AUP file.
XMLFileWriter saveFile{ mFileName, _("Error Saving Project") };
WriteXMLHeader(saveFile);
WriteXML(saveFile, bWantSaveCompressed);
// Commit the writing of the .aup only now, after we know that the _data
// folder also saved with no problems.
success = success && GuardedCall< bool >( [&] {
saveFile.Commit();
return true;
} );