General update

KomplexHubPlugin/packsearchmodel.cpp

@@ -0,0 +1,328 @@
+#include "packsearchmodel.h"
+
+PackSearchModel::PackSearchModel(QObject *parent) : QAbstractListModel{parent}
+{
+    m_paginator = new PackSearchPaginator(this);
+    PaginationNotifier *notifier = static_cast<PaginationNotifier*>(m_paginator);
+
+    QObject::connect(
+        notifier,
+        &PaginationNotifier::resultsPerPageChanged,
+        this,
+        &PackSearchModel::resultsPerPageChanged
+    );
+
+    QObject::connect(
+        notifier,
+        &PaginationNotifier::totalResultsChanged,
+        this,
+        &PackSearchModel::totalResultsChanged
+    );
+
+    QObject::connect(
+        notifier,
+        &PaginationNotifier::totalPagesChanged,
+        this,
+        &PackSearchModel::totalPagesChanged
+    );
+
+    QObject::connect(
+        notifier,
+        &PaginationNotifier::pageChanged,
+        this,
+        &PackSearchModel::pageChanged
+    );
+
+    QObject::connect(
+        notifier,
+        &PaginationNotifier::pageChanged,
+        this,
+        &PackSearchModel::resetDataModel
+    );
+
+    QObject::connect(
+        notifier,
+        &PaginationNotifier::fetchComplete,
+        this,
+        &PackSearchModel::resetState
+    );
+
+    QObject::connect(
+        notifier,
+        &PaginationNotifier::fetching,
+        this,
+        &PackSearchModel::onPaginatorFetching
+    );
+
+    QObject::connect(
+        m_paginator,
+        &PaginationNotifier::queryChanged,
+        this,
+        &PackSearchModel::queryChanged
+    );
+}
+
+auto PackSearchModel::rowCount(const QModelIndex &) const -> int
+{
+    if(m_paginator != nullptr)
+    {
+        return m_paginator->count();
+    }
+
+    return 0;
+}
+
+auto PackSearchModel::data(const QModelIndex &index, int role) const -> QVariant
+{
+    if(m_paginator == nullptr)
+    {
+        return {};
+    }
+
+    if(index.row() < 0 || index.row() >= m_paginator->count() )
+    {
+        return {};
+    }
+
+    WallpaperCache dataPoint = m_paginator->at(index.row());
+
+    QVariant data;
+
+    switch(static_cast<DataRole>(role))
+    {
+    case UuidRole:
+        data = dataPoint.uuid;
+        break;
+    case AuthorRole:
+        data = dataPoint.author;
+        break;
+    case DescriptionRole:
+        data = dataPoint.description;
+        break;
+    case NameRole:
+        data = dataPoint.name;
+        break;
+    case ThumbnailRole:
+        data = dataPoint.thumbnail;
+        break;
+    case CreatedDateRole:
+        data = dataPoint.createdDate;
+        break;
+    case AuthorIdRole:
+        data = dataPoint.authorId;
+        break;
+    case PriceRole:
+        data = dataPoint.price;
+        break;
+    case CurrencyRole:
+        data = dataPoint.currency;
+        break;
+    case DownloadCountRole:
+        data = dataPoint.downloadCount;
+        break;
+    case TypeRole:
+        data = dataPoint.type;
+        break;
+    }
+
+    return data;
+}
+
+auto PackSearchModel::index(int row, int column, const QModelIndex &parent) const -> QModelIndex
+{
+    Q_UNUSED(parent)
+
+    if(row < 0 || row >= m_paginator->count())
+        return {};
+
+    return createIndex(row, column, &m_paginator[row]);
+}
+
+auto PackSearchModel::columnCount(const QModelIndex &) const -> int
+{
+    return 0;
+}
+
+auto PackSearchModel::parent(const QModelIndex &) const -> QModelIndex
+{
+    return {};
+}
+
+auto PackSearchModel::setData(const QModelIndex &, const QVariant &, int) -> bool
+{
+    return false;
+}
+
+auto PackSearchModel::state() const -> PackSearchModel::State
+{
+    return m_state;
+}
+
+auto PackSearchModel::setState(State state) -> void
+{
+    if (m_state == state)
+    {
+        return;
+    }
+
+    m_state = state;
+    emit stateChanged();
+}
+
+auto PackSearchModel::resetState() -> void
+{
+    setState(Idle);
+}
+
+auto PackSearchModel::resetDataModel() -> void
+{
+    //invalidate previous model data
+    beginRemoveRows(QModelIndex(), 0, m_paginator->count());
+    endRemoveRows();
+
+    //signal new data
+    beginInsertRows(QModelIndex(), 0, m_paginator->count() - 1);
+    endInsertRows();
+}
+
+auto PackSearchModel::hasNextPage() const -> bool
+{
+    return m_paginator->page() < m_paginator->totalPages();
+}
+
+auto PackSearchModel::hasPreviousPage() const -> bool
+{
+    return m_paginator->page() > 0;
+}
+
+auto PackSearchModel::onPaginatorFetching() -> void
+{
+    setState(Loading);
+}
+
+auto PackSearchModel::roleNames() const -> QHash<int, QByteArray>
+{
+    return m_dataRoles;
+}
+
+auto PackSearchModel::errorString() const -> QString
+{
+    return m_errorString;
+}
+
+auto PackSearchModel::setErrorString(const QString &errorString) -> void
+{
+    if (m_errorString == errorString)
+    {
+        return;
+    }
+
+    m_errorString = errorString;
+    emit errorStringChanged();
+}
+
+auto PackSearchModel::resultsPerPage() const -> qsizetype
+{
+    if(m_paginator != nullptr)
+    {
+        return m_paginator->resultsPerPage();
+    }
+
+    return 0;
+}
+
+auto PackSearchModel::setResultsPerPage(qsizetype resultsPerPage) -> void
+{
+    if(m_paginator != nullptr)
+    {
+        QFuture<void> future = QtConcurrent::run
+        (
+            [this, resultsPerPage]
+            {
+                m_paginator->setResultsPerPage(resultsPerPage);
+            }
+        );
+    }
+}
+
+auto PackSearchModel::totalResults() const -> qsizetype
+{
+    if(m_paginator != nullptr)
+    {
+        return m_paginator->totalResults();
+    }
+
+    return 0;
+}
+
+auto PackSearchModel::nextPage() -> void
+{
+    if(m_paginator != nullptr)
+    {
+        QFuture<void> future = QtConcurrent::run
+        (
+            [this]
+            {
+                m_paginator->next();
+            }
+        );
+    }
+}
+
+auto PackSearchModel::previousPage() -> void
+{
+    if(m_paginator != nullptr)
+    {
+        QFuture<void> future = QtConcurrent::run
+        (
+            [this]
+            {
+                m_paginator->previous();
+            }
+        );
+    }
+}
+
+auto PackSearchModel::query() const -> QString
+{
+    if(m_paginator != nullptr)
+    {
+        return m_paginator->query();
+    }
+
+    return {};
+}
+
+auto PackSearchModel::setQuery(const QString &query) -> void
+{
+    if(m_paginator != nullptr)
+    {
+        QFuture<void> future = QtConcurrent::run
+        (
+            [this, query]
+            {
+                m_paginator->setQuery(query);
+            }
+        );
+    }
+}
+
+qsizetype PackSearchModel::page() const
+{
+    if(m_paginator != nullptr)
+    {
+        return m_paginator->page();
+    }
+
+    return 0;
+}
+
+auto PackSearchModel::totalPages() const -> qsizetype
+{
+    if(m_paginator != nullptr)
+    {
+        return m_paginator->totalPages();
+    }
+
+    return 0;
+}