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Better safety if publish workflow crashes. Cleanup on Button

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This commit is contained in:
Lam Wei Lun
2026-08-25 16:40:18 +08:00
parent 795514900d
commit 51b646efcf
5 changed files with 45 additions and 42 deletions
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src/slic3r/GUI/Plater.cpp
+35 -21
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@@ -16323,29 +16323,43 @@ int Plater::export_published_3mf(const std::vector<std::string>& published_keys,
if (full_pathnames)
save_strategy = save_strategy | SaveStrategy::FullPathSources;
const int ret = export_3mf(into_path(path), save_strategy, -1, nullptr);
// Restore the previous metadata state (both on success and on failure): a thrown export
// must not leave the published metadata on the in-memory project, or a later Save Project
// would write a hybrid file (full config + slicer tags + published metadata) that receivers
// silently load in published mode, skipping the project's own presets.
auto restore_metadata = [&]() {
if (!had_model_info) {
model.model_info = nullptr;
} else {
if (had_published)
model.model_info->metadata_items["published"] = prev_published;
else
model.model_info->metadata_items.erase("published");
if (had_published_keys)
model.model_info->metadata_items["published_keys"] = prev_published_keys;
else
model.model_info->metadata_items.erase("published_keys");
if (had_material_keys)
model.model_info->metadata_items["published_material_keys"] = prev_material_keys;
else
model.model_info->metadata_items.erase("published_material_keys");
if (had_payload)
model.model_info->metadata_items["published_config"] = prev_payload;
else
model.model_info->metadata_items.erase("published_config");
}
};
// Restore the previous metadata state (both on success and on failure).
if (!had_model_info) {
model.model_info = nullptr;
} else {
if (had_published)
model.model_info->metadata_items["published"] = prev_published;
else
model.model_info->metadata_items.erase("published");
if (had_published_keys)
model.model_info->metadata_items["published_keys"] = prev_published_keys;
else
model.model_info->metadata_items.erase("published_keys");
if (had_material_keys)
model.model_info->metadata_items["published_material_keys"] = prev_material_keys;
else
model.model_info->metadata_items.erase("published_material_keys");
if (had_payload)
model.model_info->metadata_items["published_config"] = prev_payload;
else
model.model_info->metadata_items.erase("published_config");
int ret;
try {
ret = export_3mf(into_path(path), save_strategy, -1, nullptr);
} catch (...) {
restore_metadata();
MessageDialog(this, _L("Failed to export the published 3MF file.\nPlease check whether the folder exists online or if other programs have the file open."),
_L("Publish"), wxOK | wxICON_WARNING).ShowModal();
return wxID_CANCEL;
}
restore_metadata();
if (ret < 0) {
MessageDialog(this, _L("Failed to export the published 3MF file.\nPlease check whether the folder exists online or if other programs have the file open."),