revert(chatlog): "load messages from the database after date"

This reverts commit b705ac8060.

src/chatlog/chatlog.cpp

@@ -391,22 +391,6 @@ void ChatLog::insertChatlineAtBottom(ChatLine::Ptr l)
     updateTypingNotification();
 }
 
-void ChatLog::insertChatlineAtBottom(const QList<ChatLine::Ptr>& newLines)
-{
-    if (newLines.isEmpty())
-        return;
-
-    for (ChatLine::Ptr l : newLines) {
-        l->setRow(lines.size());
-        l->addToScene(scene);
-        l->visibilityChanged(false);
-        lines.append(l);
-    }
-
-    layout(lines.last()->getRow(), lines.size(), useableWidth());
-    startResizeWorker();
-}
-
 void ChatLog::insertChatlineOnTop(ChatLine::Ptr l)
 {
     if (!l.get())
@@ -729,12 +713,8 @@ void ChatLog::checkVisibility(bool causedByScroll)
         emit firstVisibleLineChanged(lastLineBeforeVisible, visibleLines.at(0));
     }
 
-    if (causedByScroll) {
-        if (lowerBound != lines.cend() && lowerBound->get()->row == 0) {
-            emit loadHistoryLower();
-        } else if (upperBound != lines.cend() && upperBound->get()->row >= lines.size() - 10) {
-            emit loadHistoryUpper();
-        }
+    if (causedByScroll && lowerBound != lines.cend() && lowerBound->get()->row == 0) {
+        emit loadHistoryLower();
     }
 }
 

src/chatlog/chatlog.h

@@ -43,7 +43,6 @@ public:
     virtual ~ChatLog();
 
     void insertChatlineAtBottom(ChatLine::Ptr l);
-    void insertChatlineAtBottom(const QList<ChatLine::Ptr>& newLines);
     void insertChatlineOnTop(ChatLine::Ptr l);
     void insertChatlinesOnTop(const QList<ChatLine::Ptr>& newLines);
     void clearSelection();
@@ -68,7 +67,6 @@ signals:
     void workerTimeoutFinished();
     void firstVisibleLineChanged(const ChatLine::Ptr& prevLine, const ChatLine::Ptr& firstLine);
     void loadHistoryLower();
-    void loadHistoryUpper();
 
 public slots:
     void forceRelayout();

src/widget/form/genericchatform.cpp

@@ -343,7 +343,6 @@ GenericChatForm::GenericChatForm(const Core& _core, const Contact* contact, ICha
             &GenericChatForm::onChatContextMenuRequested);
     connect(chatWidget, &ChatLog::firstVisibleLineChanged, this, &GenericChatForm::updateShowDateInfo);
     connect(chatWidget, &ChatLog::loadHistoryLower, this, &GenericChatForm::loadHistoryLower);
-    connect(chatWidget, &ChatLog::loadHistoryUpper, this, &GenericChatForm::loadHistoryUpper);
 
     connect(searchForm, &SearchForm::searchInBegin, this, &GenericChatForm::searchInBegin);
     connect(searchForm, &SearchForm::searchUp, this, &GenericChatForm::onSearchUp);
@@ -824,10 +823,7 @@ void GenericChatForm::onLoadHistory()
     if (dlg.exec()) {
         QDateTime time = dlg.getFromDate();
         auto idx = firstItemAfterDate(dlg.getFromDate().date(), chatLog);
-        auto end = ChatLogIdx(idx.get() + 100);
-        chatWidget->clear();
-        messages.clear();
-        renderMessages(idx, end);
+        renderMessages(idx, chatLog.getNextIdx());
     }
 }
 
@@ -1045,18 +1041,6 @@ void GenericChatForm::loadHistoryLower()
     renderMessages(begin, chatLog.getNextIdx());
 }
 
-void GenericChatForm::loadHistoryUpper()
-{
-    auto begin = messages.end()->first;
-
-    int add = 100;
-    if (begin.get() + 100 > chatLog.getNextIdx().get()) {
-        add = chatLog.getNextIdx().get() - (begin.get() + 100);
-    }
-    auto end = ChatLogIdx(begin.get() + add);
-    renderMessages(begin, end);
-}
-
 void GenericChatForm::updateShowDateInfo(const ChatLine::Ptr& prevLine, const ChatLine::Ptr& topLine)
 {
     // If the dateInfo is visible we need to pretend the top line is the one

src/widget/form/genericchatform.h

@@ -120,7 +120,6 @@ protected slots:
                         std::function<void(void)> onCompletion = std::function<void(void)>());
 
     void loadHistoryLower();
-    void loadHistoryUpper();
 
 private:
     void retranslateUi();