From aea9eea8a4e2f95a7175954183959c1070bcc315 Mon Sep 17 00:00:00 2001
From: Dubslow <bunslow@gmail.com>
Date: Tue, 2 Dec 2014 18:26:17 -0600
Subject: [PATCH] move friend information to a separate ini file; fixes #594

---
 src/core.cpp          | 13 +++++--
 src/misc/settings.cpp | 88 +++++++++++++++++++++++++++----------------
 src/misc/settings.h   |  7 +++-
 3 files changed, 70 insertions(+), 38 deletions(-)

diff --git a/src/core.cpp b/src/core.cpp
index 5268e4285..8cb27e8a8 100644
--- a/src/core.cpp
+++ b/src/core.cpp
@@ -1370,12 +1370,13 @@ void Core::switchConfiguration(const QString& profile)
         qDebug() << "Core: creating new Id";
     else
         qDebug() << "Core: switching from" << Settings::getInstance().getCurrentProfile() << "to" << profile;
-    
+
     saveConfiguration();
+
+    ready = false;
     clearPassword(ptMain);
     clearPassword(ptHistory);
 
-    ready = false;
     toxTimer->stop();
     Widget::getInstance()->setEnabledThreadsafe(false);
     if (tox) {
@@ -1384,6 +1385,7 @@ void Core::switchConfiguration(const QString& profile)
         tox_kill(tox);
         tox = nullptr;
     }
+
     emit selfAvatarChanged(QPixmap(":/img/contact_dark.png"));
     emit blockingClearContacts(); // we need this to block, but signals are required for thread safety
 
@@ -1391,7 +1393,12 @@ void Core::switchConfiguration(const QString& profile)
         loadPath = "";
     else
         loadPath = QDir(Settings::getSettingsDirPath()).filePath(profile + TOX_EXT);
-    Settings::getInstance().setCurrentProfile(profile); 
+
+    // the new profile needs to be set before resetting the settings, so that
+    // we don't load the old profile's profile.ini
+    Settings::getInstance().setCurrentProfile(profile);
+    Settings::getInstance().save(false); // save new profile, but don't write old profile info to newprofile.ini
+    Settings::resetInstance();
     HistoryKeeper::getInstance()->resetInstance();
 
     start();
diff --git a/src/misc/settings.cpp b/src/misc/settings.cpp
index b40e4f2d1..c5e13b1e7 100644
--- a/src/misc/settings.cpp
+++ b/src/misc/settings.cpp
@@ -38,6 +38,7 @@
 
 const QString Settings::OLDFILENAME = "settings.ini";
 const QString Settings::FILENAME = "qtox.ini";
+Settings* Settings::settings{nullptr};
 bool Settings::makeToxPortable{false};
 
 Settings::Settings() :
@@ -48,12 +49,20 @@ Settings::Settings() :
 
 Settings& Settings::getInstance()
 {
-    static Settings* settings{nullptr};
     if (!settings)
         settings = new Settings();
     return *settings;
 }
 
+void Settings::resetInstance()
+{
+    if (settings)
+    {
+        delete settings;
+        settings = nullptr;
+    }
+}
+
 void Settings::load()
 {
     if (loaded)
@@ -113,21 +122,6 @@ void Settings::load()
             useCustomDhtList=false;
     s.endGroup();
 
-    friendLst.clear();
-    s.beginGroup("Friends");
-        int size = s.beginReadArray("Friend");
-        for (int i = 0; i < size; i ++)
-        {
-            s.setArrayIndex(i);
-            friendProp fp;
-            fp.addr = s.value("addr").toString();
-            fp.alias = s.value("alias").toString();
-            fp.autoAcceptDir = s.value("autoAcceptDir").toString();
-            friendLst[ToxID::fromString(fp.addr).publicKey] = fp;
-        }
-        s.endArray();
-    s.endGroup();
-
     s.beginGroup("General");
         enableIPv6 = s.value("enableIPv6", true).toBool();
         translation = s.value("translation", "en").toString();
@@ -227,15 +221,39 @@ void Settings::load()
     }
 
     loaded = true;
+
+    if (currentProfile.isEmpty()) // new profile in Core::switchConfiguration
+        return;
+
+    // load from a profile specific friend data list if possible
+    QString tmp = dir.filePath(currentProfile + ".ini");
+    if (QFile(tmp).exists())
+        filePath = tmp;
+
+    QSettings fs(filePath, QSettings::IniFormat);
+    friendLst.clear();
+    fs.beginGroup("Friends");
+        int size = fs.beginReadArray("Friend");
+        for (int i = 0; i < size; i ++)
+        {
+            fs.setArrayIndex(i);
+            friendProp fp;
+            fp.addr = fs.value("addr").toString();
+            fp.alias = fs.value("alias").toString();
+            fp.autoAcceptDir = fs.value("autoAcceptDir").toString();
+            friendLst[ToxID::fromString(fp.addr).publicKey] = fp;
+        }
+        fs.endArray();
+    fs.endGroup();
 }
 
-void Settings::save()
+void Settings::save(bool writeFriends)
 {
     QString filePath = QDir(getSettingsDirPath()).filePath(FILENAME);
-    save(filePath);
+    save(filePath, writeFriends);
 }
 
-void Settings::save(QString path)
+void Settings::save(QString path, bool writeFriends)
 {
     qDebug() << "Settings: Saving in "<<path;
 
@@ -256,20 +274,6 @@ void Settings::save(QString path)
         s.endArray();
     s.endGroup();
 
-    s.beginGroup("Friends");
-        s.beginWriteArray("Friend", friendLst.size());
-        int index = 0;
-        for (auto &frnd : friendLst)
-        {
-            s.setArrayIndex(index);
-            s.setValue("addr", frnd.addr);
-            s.setValue("alias", frnd.alias);
-            s.setValue("autoAcceptDir", frnd.autoAcceptDir);
-            index++;
-        }
-        s.endArray();
-    s.endGroup();
-
     s.beginGroup("General");
         s.setValue("enableIPv6", enableIPv6);
         s.setValue("translation",translation);
@@ -337,6 +341,24 @@ void Settings::save(QString path)
         s.setValue("inDev", inDev);
         s.setValue("outDev", outDev);
     s.endGroup();
+
+    if (!writeFriends || currentProfile.isEmpty()) // Core::switchConfiguration
+        return;
+
+    QSettings fs(QFileInfo(path).dir().filePath(currentProfile + ".ini"), QSettings::IniFormat);
+    fs.beginGroup("Friends");
+        fs.beginWriteArray("Friend", friendLst.size());
+        int index = 0;
+        for (auto& frnd : friendLst)
+        {
+            fs.setArrayIndex(index);
+            fs.setValue("addr", frnd.addr);
+            fs.setValue("alias", frnd.alias);
+            fs.setValue("autoAcceptDir", frnd.autoAcceptDir);
+            index++;
+        }
+        fs.endArray();
+    fs.endGroup();
 }
 
 QString Settings::getSettingsDirPath()
diff --git a/src/misc/settings.h b/src/misc/settings.h
index f22936aa4..5622be204 100644
--- a/src/misc/settings.h
+++ b/src/misc/settings.h
@@ -29,6 +29,7 @@ class Settings : public QObject
     Q_OBJECT
 public:
     static Settings& getInstance();
+    static void resetInstance();
     ~Settings() = default;
 
     void executeSettingsDialog(QWidget* parent);
@@ -218,11 +219,13 @@ public:
     void setFauxOfflineMessaging(bool value);
 
 public:
-    void save();
-    void save(QString path);
+    void save(bool writeFriends = true);
+    void save(QString path, bool writeFriends = true);
     void load();
 
 private:
+    static Settings* settings;
+
     Settings();
     Settings(Settings &settings) = delete;
     Settings& operator=(const Settings&) = delete;