feat(Settings): Store blocked friends in Settings

Since they aren't stored in toxcore.

src/persistence/ifriendsettings.h

@@ -72,6 +72,10 @@ public:
     virtual QDateTime getFriendActivity(const ToxPk& pk) const = 0;
     virtual void setFriendActivity(const ToxPk& pk, const QDateTime& date) = 0;
 
+    virtual bool getFriendBlocked(const ToxPk& id) const = 0;
+    virtual void setFriendBlocked(const ToxPk& id, const bool blocked) = 0;
+    virtual QList<ToxPk> getBlockedFriends() const = 0;
+
     virtual void saveFriendSettings(const ToxPk& pk) = 0;
     virtual void removeFriendSettings(const ToxPk& pk) = 0;
 

src/persistence/settings.cpp

@@ -536,6 +536,7 @@ void Settings::loadPersonal(const Profile& profile, bool newProfile)
 
             if (getEnableLogging())
                 fp.activity = ps.value("activity", QDateTime()).toDateTime();
+            fp.blocked = ps.value("blocked", false).toBool();
             friendLst.insert(ToxPk(fp.addr).getByteArray(), fp);
         }
         ps.endArray();
@@ -790,6 +791,7 @@ void Settings::savePersonal(QString profileName, const ToxEncrypt* passkey)
 
             if (getEnableLogging())
                 ps.setValue("activity", frnd.activity);
+            ps.setValue("blocked", frnd.blocked);
 
             ++index;
         }
@@ -1982,6 +1984,36 @@ void Settings::setFriendActivity(const ToxPk& id, const QDateTime& activity)
     frnd.activity = activity;
 }
 
+bool Settings::getFriendBlocked(const ToxPk& id) const
+{
+    QMutexLocker locker{&bigLock};
+    auto it = friendLst.find(id.getByteArray());
+    if (it != friendLst.end())
+        return it->blocked;
+    qWarning() << "getFriendBlocked called for unknown friend";
+    return false;
+}
+
+void Settings::setFriendBlocked(const ToxPk& id, bool blocked)
+{
+    QMutexLocker locker{&bigLock};
+    auto& frnd = getOrInsertFriendPropRef(id);
+    frnd.blocked = blocked;
+    savePersonal();
+}
+
+QList<ToxPk> Settings::getBlockedFriends() const
+{
+    QMutexLocker locker{&bigLock};
+    QList<ToxPk> blockedFriends;
+    for (auto it = friendLst.begin(); it != friendLst.end(); ++it) {
+        if (it->blocked) {
+            blockedFriends.append(ToxPk{it.key()});
+        }
+    }
+    return blockedFriends;
+}
+
 void Settings::saveFriendSettings(const ToxPk& id)
 {
     std::ignore = id;

src/persistence/settings.h

@@ -510,6 +510,11 @@ public:
     QDateTime getFriendActivity(const ToxPk& id) const override;
     void setFriendActivity(const ToxPk& id, const QDateTime& activity) override;
 
+    bool getFriendBlocked(const ToxPk& id) const override;
+    void setFriendBlocked(const ToxPk& id, bool blocked) override;
+
+    QList<ToxPk> getBlockedFriends() const override;
+
     void saveFriendSettings(const ToxPk& id) override;
     void removeFriendSettings(const ToxPk& id) override;
 
@@ -704,6 +709,7 @@ private:
         QDateTime activity;
         AutoAcceptCallFlags autoAcceptCall;
         bool autoGroupInvite = false;
+        bool blocked = false;
     };
 
     struct circleProp