Utilities: add temp file management functions.

src/CMakeLists.txt

@@ -201,6 +201,8 @@ add_executable(MassBuilderSaveTool
     UpdateChecker/UpdateChecker.cpp
     Utilities/Crc32.h
     Utilities/Crc32.cpp
+    Utilities/Temp.h
+    Utilities/Temp.cpp
     Version/Version.h
     Version/Version.cpp
     ${Logger_SOURCES}

src/Configuration/Configuration.cpp

@@ -25,6 +25,7 @@
 #include <shlobj.h>
 
 #include "../Logger/Logger.h"
+#include "../Utilities/Temp.h"
 
 #include "Configuration.h"
 
@@ -123,6 +124,7 @@ Configuration::Configuration() {
     _directories.armours = Utility::Path::join(armoury_dir, "armours");
     _directories.weapons = Utility::Path::join(armoury_dir, "weapons");
     _directories.styles = Utility::Path::join(armoury_dir, "styles");
+    _directories.temp = Utility::Path::join(executable_location, "temp");
 
     if(!Utility::Path::exists(_directories.backups)) {
         LOG_WARNING("Backups directory not found, creating...");
@@ -160,6 +162,17 @@ Configuration::Configuration() {
         }
     }
 
+    if(!Utility::Path::exists(_directories.temp)) {
+        LOG_WARNING("Temporary directory not found, creating...");
+        if(!Utility::Path::make(_directories.temp)) {
+            LOG_ERROR(_lastError = "Couldn't create the temporary directory.");
+            return;
+        }
+    }
+    else {
+        Utilities::emptyTempDir();
+    }
+
     _valid = true;
 }
 

src/Configuration/Configuration.h

@@ -64,6 +64,7 @@ class Configuration {
             Containers::String armours;
             Containers::String weapons;
             Containers::String styles;
+            Containers::String temp;
         };
         auto directories() const -> Directories const&;
 

src/Utilities/Temp.cpp

@@ -0,0 +1,88 @@
+// MassBuilderSaveTool
+// Copyright (C) 2021-2024 Guillaume Jacquemin
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// 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 <Corrade/Containers/Array.h>
+#include <Corrade/Containers/Pair.h>
+#include <Corrade/Utility/Path.h>
+
+#include "../Configuration/Configuration.h"
+#include "../Logger/Logger.h"
+
+#include "Temp.h"
+
+namespace mbst { namespace Utilities {
+
+Containers::String
+getTempPath(Containers::StringView filename) {
+    return Utility::Path::join(conf().directories().temp, filename);
+}
+
+Containers::Optional<Containers::String>
+copyToTemp(Containers::StringView path) {
+    auto filename = Utility::Path::split(path).first();
+    auto dest = Utility::Path::join(conf().directories().temp, filename);
+
+    if(!Utility::Path::copy(path, dest)) {
+        LOG_ERROR_FORMAT("Couldn't copy {} to {}.", path, conf().directories().temp);
+        return Containers::NullOpt;
+    }
+
+    return Utility::move(dest);
+}
+
+Containers::Optional<Containers::String>
+moveToTemp(Containers::StringView path) {
+    auto filename = Utility::Path::split(path).first();
+    auto dest = Utility::Path::join(conf().directories().temp, filename);
+
+    if(!Utility::Path::move(path, dest)) {
+        LOG_ERROR_FORMAT("Couldn't move {} to {}.", path, conf().directories().temp);
+        return Containers::NullOpt;
+    }
+
+    return Utility::move(dest);
+}
+
+bool
+moveFromTemp(Containers::StringView filename, Containers::StringView destination) {
+    auto source = Utility::Path::join(conf().directories().temp, filename);
+    auto dest = Utility::Path::join(destination, filename);
+
+    if(!Utility::Path::move(source, dest)) {
+        LOG_ERROR_FORMAT("Couldn't move {} to {}.", filename, destination);
+        return false;
+    }
+
+    return true;
+}
+
+bool
+deleteTempFile(Containers::StringView filename) {
+    return Utility::Path::remove(Utility::Path::join(conf().directories().temp, filename));
+}
+
+void
+emptyTempDir() {
+    using Flag = Utility::Path::ListFlag;
+    auto files = Utility::Path::list(conf().directories().temp, Flag::SkipDirectories|Flag::SkipSpecial);
+    CORRADE_INTERNAL_ASSERT(files);
+
+    for(auto& filename : *files) {
+        deleteTempFile(filename);
+    }
+}
+
+}}

src/Utilities/Temp.h

@@ -0,0 +1,34 @@
+#pragma once
+
+// MassBuilderSaveTool
+// Copyright (C) 2021-2024 Guillaume Jacquemin
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// 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 <Corrade/Containers/Optional.h>
+#include <Corrade/Containers/String.h>
+#include <Corrade/Containers/StringView.h>
+
+using namespace Corrade;
+
+namespace mbst { namespace Utilities {
+
+auto getTempPath(Containers::StringView filename) -> Containers::String;
+auto copyToTemp(Containers::StringView path) -> Containers::Optional<Containers::String>;
+auto moveToTemp(Containers::StringView path) -> Containers::Optional<Containers::String>;
+bool moveFromTemp(Containers::StringView filename, Containers::StringView destination);
+bool deleteTempFile(Containers::StringView filename);
+void emptyTempDir();
+
+}}