started the work to get the list of participants in the room, license fix, little gui models refactor

ui/models/presence.cpp

@@ -1,5 +1,5 @@
 /*
- * <one line to give the program's name and a brief idea of what it does.>
+ * Squawk messenger. 
  * Copyright (C) 2019  Yury Gubich <blue@macaw.me>
  *
  * This program is free software: you can redistribute it and/or modify
@@ -19,105 +19,22 @@
 #include "presence.h"
 
 Models::Presence::Presence(const QMap<QString, QVariant>& data, Item* parentItem):
-    Item(Item::presence, data, parentItem),
-    availability(Shared::offline),
-    lastActivity(data.value("lastActivity").toDateTime()),
-    status(data.value("status").toString()),
+    AbstractParticipant(Item::presence, data, parentItem),
     messages()
 {
-    QMap<QString, QVariant>::const_iterator itr = data.find("availability");
-    if (itr != data.end()) {
-        setAvailability(itr.value().toUInt());
-    }
 }
 
 Models::Presence::~Presence()
 {
 }
 
-int Models::Presence::columnCount() const
-{
-    return 5;
-}
-
 QVariant Models::Presence::data(int column) const
 {
     switch (column) {
-        case 0:
-            return Item::data(column);
-        case 1:
-            return lastActivity;
-        case 2:
-            return availability;
-        case 3:
-            return status;
         case 4:
             return getMessagesCount();
         default:
-            return QVariant();
-    }
-}
-
-Shared::Availability Models::Presence::getAvailability() const
-{
-    return availability;
-}
-
-QDateTime Models::Presence::getLastActivity() const
-{
-    return lastActivity;
-}
-
-QString Models::Presence::getStatus() const
-{
-    return status;
-}
-
-void Models::Presence::setAvailability(Shared::Availability p_avail)
-{
-    if (availability != p_avail) {
-        availability = p_avail;
-        changed(2);
-    }
-}
-
-void Models::Presence::setAvailability(unsigned int avail)
-{
-    if (avail <= Shared::availabilityHighest) {
-        Shared::Availability state = static_cast<Shared::Availability>(avail);
-        setAvailability(state);
-    } else {
-        qDebug("An attempt to set wrong state to the contact");
-    }
-}
-
-
-void Models::Presence::setLastActivity(const QDateTime& p_time)
-{
-    if (lastActivity != p_time) {
-        lastActivity = p_time;
-        changed(1);
-    }
-}
-
-void Models::Presence::setStatus(const QString& p_state)
-{
-    if (status != p_state) {
-        status = p_state;
-        changed(3);
-    }
-}
-
-void Models::Presence::update(const QString& key, const QVariant& value)
-{
-    if (key == "name") {
-        setName(value.toString());
-    } else if (key == "status") {
-        setStatus(value.toString());
-    } else if (key == "availability") {
-        setAvailability(value.toUInt());
-    } else if (key == "lastActivity") {
-        setLastActivity(value.toDateTime());
+            return AbstractParticipant::data(column);
     }
 }
 
@@ -143,9 +60,9 @@ void Models::Presence::dropMessages()
 QIcon Models::Presence::getStatusIcon(bool big) const
 {
     if (getMessagesCount() > 0) {
-        return Shared::icon("mail-message");
+        return Shared::icon("mail-message", big);
     } else {
-        return Shared::availabilityIcon(availability, big);
+        return AbstractParticipant::getStatusIcon();
     }
 }