Mass(Manager),SaveTool: improve error handling.

src/Mass/Mass.cpp

@@ -14,8 +14,6 @@
 // You should have received a copy of the GNU General Public License
 // along with this program.  If not, see <https://www.gnu.org/licenses/>.
 
-#include <cstring>
-
 #include <algorithm>
 
 #include <Corrade/Containers/Array.h>
@@ -914,12 +912,18 @@ auto Mass::updateAccount(const std::string& new_account) -> bool {
     auto account = _mass->at<StringProperty>("Account");
     if(!account) {
         _state = State::Invalid;
+        _lastError = "Couldn't find the account property.";
         return false;
     }
 
     account->value = new_account;
 
-    return _mass->saveToFile();
+    if(!_mass->saveToFile()) {
+        _lastError = _mass->lastError();
+        return false;
+    }
+
+    return true;
 }
 
 void Mass::getCustomStyles(Containers::ArrayView<CustomStyle> styles, ArrayProperty* style_array) {

src/MassManager/MassManager.cpp

@@ -49,11 +49,11 @@ auto MassManager::lastError() -> std::string const& {
     return _lastError;
 }
 
-auto MassManager::hangar(int hangar) -> Mass& {
+auto MassManager::hangar(Int hangar) -> Mass& {
     return _hangars[hangar];
 }
 
-void MassManager::refreshHangar(int hangar) {
+void MassManager::refreshHangar(Int hangar) {
     if(hangar < 0 || hangar >= 32) {
         return;
     }
@@ -63,7 +63,7 @@ void MassManager::refreshHangar(int hangar) {
     _hangars[hangar] = Mass{mass_filename};
 }
 
-auto MassManager::importMass(const std::string& staged_fn, int hangar) -> bool {
+auto MassManager::importMass(const std::string& staged_fn, Int hangar) -> bool {
     if(hangar < 0 || hangar >= 32) {
         _lastError = "Hangar out of range in MassManager::importMass()";
         return false;
@@ -79,18 +79,22 @@ auto MassManager::importMass(const std::string& staged_fn, int hangar) -> bool {
     std::string source = Utility::Directory::join(_stagingAreaDirectory, staged_fn);
     Utility::Directory::copy(source, source + ".tmp");
 
-    if(!Mass{source + ".tmp"}.updateAccount(_steamId))
     {
-        _lastError = "The M.A.S.S. file at " + source + " seems to be corrupt.";
+        Mass mass{source + ".tmp"};
+        if(!mass.updateAccount(_steamId)) {
+            _lastError = mass.lastError();
             Utility::Directory::rm(source + ".tmp");
             return false;
         }
-
-    if(Utility::Directory::exists(Utility::Directory::join(_saveDirectory, _hangars[hangar].filename()))) {
-        Utility::Directory::rm(Utility::Directory::join(_saveDirectory, _hangars[hangar].filename()));
     }
 
-    if(!Utility::Directory::move(source + ".tmp", Utility::Directory::join(_saveDirectory, _hangars[hangar].filename()))) {
+    std::string dest = Utility::Directory::join(_saveDirectory, _hangars[hangar].filename());
+
+    if(Utility::Directory::exists(dest)) {
+        Utility::Directory::rm(dest);
+    }
+
+    if(!Utility::Directory::move(source + ".tmp", dest)) {
         _lastError = Utility::formatString("Couldn't move {} to hangar {:.2d}", staged_fn, hangar + 1);
         return false;
     }
@@ -98,7 +102,7 @@ auto MassManager::importMass(const std::string& staged_fn, int hangar) -> bool {
     return true;
 }
 
-auto MassManager::exportMass(int hangar) -> bool {
+auto MassManager::exportMass(Int hangar) -> bool {
     if(hangar < 0 || hangar >= 32) {
         _lastError = "Hangar out of range in MassManager::exportMass()";
         return false;
@@ -121,7 +125,7 @@ auto MassManager::exportMass(int hangar) -> bool {
     return true;
 }
 
-auto MassManager::moveMass(int source, int destination) -> bool {
+auto MassManager::moveMass(Int source, Int destination) -> bool {
     if(source < 0 || source >= 32) {
         _lastError = "Source hangar out of range.";
         return false;
@@ -156,14 +160,14 @@ auto MassManager::moveMass(int source, int destination) -> bool {
     return true;
 }
 
-auto MassManager::deleteMass(int hangar) -> bool {
+auto MassManager::deleteMass(Int hangar) -> bool {
     if(hangar < 0 || hangar >= 32) {
-        _lastError = "Hangar out of bounds";
+        _lastError = "Hangar out of range.";
         return false;
     }
 
     if(!Utility::Directory::rm(Utility::Directory::join(_saveDirectory, _hangars[hangar].filename()))) {
-        _lastError = "Deletion failed. Maybe the file was already deleted, or it's locked by another application.";
+        _lastError = Utility::formatString("Deletion failed: {}", std::strerror(errno));
         return false;
     }
 
@@ -202,7 +206,7 @@ auto MassManager::deleteStagedMass(const std::string& filename) -> bool {
     }
 
     if(!Utility::Directory::rm(Utility::Directory::join(_stagingAreaDirectory, filename))) {
-        _lastError = "The file " + filename + " couldn't be deleted for unknown reasons.";
+        _lastError = Utility::formatString("{} couldn't be deleted: {}", filename, std::strerror(errno));
         return false;
     }
 

src/Profile/Profile.cpp

@@ -27,8 +27,6 @@
 #include "../UESaveFile/Types/IntProperty.h"
 #include "../UESaveFile/Types/StringProperty.h"
 
-#include "ResourceIDs.h"
-
 #include "Profile.h"
 
 using namespace Corrade;

src/Profile/Profile.h

@@ -22,6 +22,8 @@
 
 #include "../UESaveFile/UESaveFile.h"
 
+#include "ResourceIDs.h"
+
 using namespace Magnum;
 
 enum class ProfileType : UnsignedByte {

src/SaveTool/SaveTool_MainManager.cpp

@@ -445,8 +445,7 @@ void SaveTool::drawMassManager() {
                     std::string file = *(static_cast<std::string*>(payload->Data));
 
                     if(!_massManager->importMass(file, i)) {
-                        SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR, "Error importing M.A.S.S.",
-                                                 _massManager->lastError().c_str(), window());
+                        _queue.addToast(Toast::Type::Error, _massManager->lastError());
                     }
                 }
                 else if((payload = ImGui::AcceptDragDropPayload("Mass"))) {
@@ -460,9 +459,7 @@ void SaveTool::drawMassManager() {
                     int index = *(static_cast<int*>(payload->Data));
 
                     if(!_massManager->moveMass(index, i)) {
-                        SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR, "Error",
-                                                 _massManager->lastError().c_str(),
-                                                 window());
+                        _queue.addToast(Toast::Type::Error, _massManager->lastError());
                     }
                 }
 
@@ -575,9 +572,7 @@ void SaveTool::drawMassManager() {
             int index = *(static_cast<int*>(payload->Data));
 
             if(!_massManager->exportMass(index)) {
-                SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR, "Error",
-                                         _massManager->lastError().c_str(),
-                                         window());
+                _queue.addToast(Toast::Type::Error, _massManager->lastError());
             }
         }
 
@@ -626,8 +621,7 @@ auto SaveTool::drawDeleteMassPopup(int mass_index) -> ImGuiID {
         ImGui::TableSetColumnIndex(1);
         if(ImGui::Button("Yes")) {
             if(!_massManager->deleteMass(mass_index)) {
-                SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR, "Error when deleting M.A.S.S.",
-                                         _massManager->lastError().c_str(), window());
+                _queue.addToast(Toast::Type::Error, _massManager->lastError());
             }
             ImGui::CloseCurrentPopup();
         }
@@ -665,8 +659,7 @@ auto SaveTool::drawDeleteStagedMassPopup(const std::string& filename) -> ImGuiID
         ImGui::TableSetColumnIndex(1);
         if(ImGui::Button("Yes")) {
             if(!_massManager->deleteStagedMass(filename)) {
-                SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR, "Error when deleting M.A.S.S.",
-                                         _massManager->lastError().c_str(), window());
+                _queue.addToast(Toast::Type::Error, _massManager->lastError());
             }
             ImGui::CloseCurrentPopup();
         }

src/SaveTool/SaveTool_ProfileManager.cpp

@@ -150,8 +150,7 @@ auto SaveTool::drawBackupListPopup() -> ImGuiID {
             ImGui::TableSetColumnIndex(1);
             if(ImGui::Button("Yes")) {
                 if(!_profileManager->restoreBackup(backup_index)) {
-                    SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR, "Error when restoring backup",
-                                             _profileManager->lastError().c_str(), window());
+                    _queue.addToast(Toast::Type::Error, _profileManager->lastError());
                 }
                 _profileManager->refreshProfiles();
                 ImGui::CloseCurrentPopup();
@@ -190,8 +189,7 @@ auto SaveTool::drawBackupListPopup() -> ImGuiID {
             ImGui::TableSetColumnIndex(1);
             if(ImGui::Button("Yes")) {
                 if(!_profileManager->deleteBackup(backup_index)) {
-                    SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR, "Error when deleting backup",
-                                             _profileManager->lastError().c_str(), window());
+                    _queue.addToast(Toast::Type::Error, _profileManager->lastError());
                 }
                 ImGui::CloseCurrentPopup();
             }
@@ -378,8 +376,7 @@ auto SaveTool::drawDeleteProfilePopup(std::size_t profile_index) -> ImGuiID {
         ImGui::TableSetColumnIndex(1);
         if(ImGui::Button("Yes")) {
             if(!_profileManager->deleteProfile(profile_index, delete_builds)) {
-                SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR, "Error when deleting profile",
-                                         _profileManager->lastError().c_str(), window());
+                _queue.addToast(Toast::Type::Error, _profileManager->lastError());
             }
             ImGui::CloseCurrentPopup();
         }