From ef1b36fd28f742a22e8c656dd1be5569dc420b2f Mon Sep 17 00:00:00 2001
From: Veloman Yunkan <veloman.yunkan@gmail.com>
Date: Tue, 20 Feb 2024 20:04:33 +0400
Subject: [PATCH] Dropped ContentManagerModel::fetchMore() and friends

Since `ContentManagerModel::fetchMore()` doesn't perform any actual
incremental loading of the data, it no longer makes any sense.
---
 src/contentmanagermodel.cpp | 20 +-------------------
 src/contentmanagermodel.h   |  5 -----
 2 files changed, 1 insertion(+), 24 deletions(-)

diff --git a/src/contentmanagermodel.cpp b/src/contentmanagermodel.cpp
index 84c9cf7..bb8169a 100644
--- a/src/contentmanagermodel.cpp
+++ b/src/contentmanagermodel.cpp
@@ -94,7 +94,7 @@ QModelIndex ContentManagerModel::parent(const QModelIndex &index) const
 int ContentManagerModel::rowCount(const QModelIndex &parent) const
 {
     Q_UNUSED(parent);
-    return zimCount;
+    return m_data.size();
 }
 
 QVariant ContentManagerModel::headerData(int section, Qt::Orientation orientation, int role) const
@@ -178,24 +178,6 @@ bool ContentManagerModel::hasChildren(const QModelIndex &parent) const
     return true;
 }
 
-bool ContentManagerModel::canFetchMore(const QModelIndex &parent) const
-{
-    if (parent.isValid())
-        return false;
-    return (zimCount < m_data.size());
-}
-
-void ContentManagerModel::fetchMore(const QModelIndex &parent)
-{
-    if (parent.isValid())
-        return;
-    int remainder = m_data.size() - zimCount;
-    int zimsToFetch = qMin(5, remainder);
-    beginInsertRows(QModelIndex(), zimCount, zimCount + zimsToFetch - 1);
-    zimCount += zimsToFetch;
-    endInsertRows();
-}
-
 void ContentManagerModel::sort(int column, Qt::SortOrder order)
 {
     if (column == 0 || column == 4 || column == 5)
diff --git a/src/contentmanagermodel.h b/src/contentmanagermodel.h
index 7f0d178..b6f0e5b 100644
--- a/src/contentmanagermodel.h
+++ b/src/contentmanagermodel.h
@@ -51,10 +51,6 @@ public slots:
     void removeDownload(QString bookId);
     void updateDownload(QString bookId);
 
-protected: // functions
-    bool canFetchMore(const QModelIndex &parent) const override;
-    void fetchMore(const QModelIndex &parent) override;
-
 private: // functions
     // Returns either data of the thumbnail (as a QByteArray) or a URL (as a
     // QString) from where the actual data can be obtained.
@@ -64,7 +60,6 @@ private: // functions
 private: // data
     BookInfoList m_data;
     std::shared_ptr<RowNode> rootNode;
-    int zimCount = 0;
     mutable ThumbnailDownloader td;
     QMap<QString, size_t> bookIdToRowMap;
     QMap<QString, QByteArray> m_iconMap;