feat(paths): add path for log file and tests

src/persistence/paths.cpp

@@ -11,6 +11,7 @@
 
 namespace {
 const QLatin1Literal globalSettingsFile{"qtox.ini"};
+const QLatin1Literal logFile{"qtox.log"};
 const QLatin1Literal profileFolder{"profiles"};
 const QLatin1Literal themeFolder{"themes"};
 const QLatin1Literal avatarsFolder{"avatars"};
@@ -134,6 +135,29 @@ QString Paths::getGlobalSettingsPath() const
     return path % QDir::separator() % globalSettingsFile;
 }
 
+/**
+ * @brief Returns the path to the log file "qtox.log"
+ * @return The path to the folder.
+ */
+QString Paths::getLogFilePath() const
+{
+    QString path;
+
+    if (portable) {
+        path = basePath;
+    } else {
+        path = QStandardPaths::writableLocation(QStandardPaths::CacheLocation);
+        if (path.isEmpty()) {
+            qDebug() << "Can't find writable location for log file";
+            return {};
+        }
+    }
+
+    // we assume a writeable path for portable mode
+
+    return path % QDir::separator() % logFile;
+}
+
 /**
  * @brief Get the folder where profile specific information is stored, e.g. <profile>.ini
  * @return The path to the folder.

src/persistence/paths.h

@@ -17,6 +17,7 @@ public:
 
     bool isPortable() const;
     QString getGlobalSettingsPath() const;
+    QString getLogFilePath() const;
     QString getProfilesDir() const;
     QString getToxSaveDir() const;
     QString getAvatarsDir() const;

test/persistence/paths_test.cpp

@@ -41,6 +41,7 @@ private:
 
 namespace {
 const QLatin1Literal globalSettingsFile{"qtox.ini"};
+const QLatin1Literal logFile{"qtox.log"};
 const QLatin1Literal profileFolder{"profiles"};
 const QLatin1Literal themeFolder{"themes"};
 const QLatin1Literal avatarsFolder{"avatars"};
@@ -112,10 +113,11 @@ void TestPaths::checkPathsNonPortable()
 
     const QString appData{QStandardPaths::writableLocation(QStandardPaths::AppDataLocation)};
     const QString appConfig{QStandardPaths::writableLocation(QStandardPaths::AppConfigLocation)};
-
+    const QString cache{QStandardPaths::writableLocation(QStandardPaths::CacheLocation)};
 
     verifyqToxPath(paths->getProfilesDir(), appData, profileFolder % sep);
     verifyqToxPath(paths->getGlobalSettingsPath(), appConfig, globalSettingsFile);
+    verifyqToxPath(paths->getLogFilePath(), cache, logFile);
     verifyqToxPath(paths->getScreenshotsDir(), appData, screenshotsFolder % sep);
     verifyqToxPath(paths->getTransfersDir(), appData, transfersFolder % sep);
 
@@ -153,6 +155,7 @@ void TestPaths::checkPathsPortable()
 
     verifyqToxPath(paths->getProfilesDir(), basePath, profileFolder % sep);
     verifyqToxPath(paths->getGlobalSettingsPath(), basePath, globalSettingsFile);
+    verifyqToxPath(paths->getLogFilePath(), basePath, logFile);
     verifyqToxPath(paths->getScreenshotsDir(), basePath, screenshotsFolder % sep);
     verifyqToxPath(paths->getTransfersDir(), basePath, transfersFolder % sep);