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/*
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This file is part of SciQLop.
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SciQLop is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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SciQLop is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with SciQLop. If not, see <https://www.gnu.org/licenses/>.
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*/
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#ifndef EVENTSMODEL_H
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#define EVENTSMODEL_H
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#include <Catalogue/CatalogueController.h>
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#include <QAbstractItemModel>
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#include <QIcon>
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#include <array>
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class EventsModel : public QAbstractItemModel
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{
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Q_OBJECT
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enum class Columns
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{
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Name = 0,
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TStart = 1,
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TEnd = 2,
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Tags = 3,
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Product = 4,
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Validation = 5,
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NbColumn = 6
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};
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const std::array<QString, static_cast<int>(Columns::NbColumn)> ColumnsNames
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= { "Name", "Start time", "Stop time", "Tags", "Product(s)", "" };
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public:
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enum class ItemType
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{
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None,
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Event,
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Product
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};
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struct EventsModelItem
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{
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ItemType type;
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std::variant<CatalogueController::Event_ptr, CatalogueController::Product_t> item;
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// EventsModelItem() : type { ItemType::None } {}
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EventsModelItem() = delete;
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EventsModelItem(const EventsModelItem&) = delete;
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EventsModelItem(EventsModelItem&&) = delete;
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EventsModelItem& operator=(const EventsModelItem&) = delete;
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EventsModelItem& operator=(EventsModelItem&&) = delete;
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EventsModelItem(const CatalogueController::Event_ptr& event)
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: type { ItemType::Event }, item { event }, parent { nullptr }, icon {}
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{
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std::transform(std::cbegin(event->products), std::cend(event->products),
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std::back_inserter(children),
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[this](auto& product) { return std::make_unique<EventsModelItem>(product, this); });
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}
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EventsModelItem(const CatalogueController::Product_t& product, EventsModelItem* parent)
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: type { ItemType::Product }, item { product }, parent { parent }, icon {}
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{
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}
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~EventsModelItem() { children.clear(); }
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CatalogueController::Event_ptr event() const
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{
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return std::get<CatalogueController::Event_ptr>(item);
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}
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CatalogueController::Product_t product() const
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{
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return std::get<CatalogueController::Product_t>(item);
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}
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QVariant data(int col, int role) const
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{
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if (role == Qt::DisplayRole)
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{
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switch (type)
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{
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case ItemType::Product:
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return data(product(), col);
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case ItemType::Event:
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return data(event(), col);
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default:
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break;
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}
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}
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return QVariant {};
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}
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QVariant data(const CatalogueController::Event_ptr& event, int col) const
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{
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switch (static_cast<Columns>(col))
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{
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case EventsModel::Columns::Name:
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return QString::fromStdString(event->name);
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case EventsModel::Columns::TStart:
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if (auto start = event->startTime())
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return DateUtils::dateTime(*start).toString(DATETIME_FORMAT_ONE_LINE);
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else
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return QVariant {};
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case EventsModel::Columns::TEnd:
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if (auto stop = event->stopTime())
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return DateUtils::dateTime(*stop).toString(DATETIME_FORMAT_ONE_LINE);
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else
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return QVariant {};
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case EventsModel::Columns::Product:
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{
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QStringList eventProductList;
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for (const auto& evtProduct : event->products)
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{
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eventProductList << QString::fromStdString(evtProduct.name);
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}
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return eventProductList.join(";");
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}
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case EventsModel::Columns::Tags:
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{
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QString tagList;
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for (const auto& tag : event->tags)
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{
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tagList += QString::fromStdString(tag);
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tagList += ' ';
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}
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return tagList;
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}
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default:
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break;
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}
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return QVariant {};
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}
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QVariant data(const CatalogueController::Product_t& product, int col) const
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{
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switch (static_cast<Columns>(col))
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{
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case EventsModel::Columns::Name:
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return QString::fromStdString(product.name);
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case EventsModel::Columns::TStart:
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return DateUtils::dateTime(product.startTime)
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.toString(DATETIME_FORMAT_ONE_LINE);
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case EventsModel::Columns::TEnd:
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return DateUtils::dateTime(product.stopTime).toString(DATETIME_FORMAT_ONE_LINE);
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case EventsModel::Columns::Product:
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return QString::fromStdString(product.name);
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default:
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break;
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}
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return QVariant {};
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}
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QString text() const
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{
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if (type == ItemType::Event)
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return QString::fromStdString(event()->name);
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if (type == ItemType::Product)
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return QString::fromStdString(product().name);
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return QString();
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}
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std::vector<std::unique_ptr<EventsModelItem>> children;
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EventsModelItem* parent = nullptr;
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QIcon icon;
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};
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EventsModel(QObject* parent = nullptr);
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static inline EventsModelItem* to_item(const QModelIndex& index)
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{
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return static_cast<EventsModelItem*>(index.internalPointer());
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}
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~EventsModel() { _items.clear(); }
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ItemType type(const QModelIndex& index) const;
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Qt::ItemFlags flags(const QModelIndex& index) const override
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{
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return Qt::ItemIsEnabled | Qt::ItemIsSelectable | Qt::ItemIsDragEnabled;
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}
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QVariant data(const QModelIndex& index, int role = Qt::DisplayRole) const override;
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QModelIndex index(
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int row, int column, const QModelIndex& parent = QModelIndex()) const override;
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QModelIndex parent(const QModelIndex& index) const override;
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int rowCount(const QModelIndex& parent = QModelIndex()) const override;
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int columnCount(const QModelIndex& parent = QModelIndex()) const override;
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QVariant headerData(
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int section, Qt::Orientation orientation, int role = Qt::DisplayRole) const override;
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void sort(int column, Qt::SortOrder order = Qt::AscendingOrder) override;
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public slots:
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void setEvents(std::vector<CatalogueController::Event_ptr> events)
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{
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beginResetModel();
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_items.clear();
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std::transform(std::begin(events), std::end(events), std::back_inserter(_items),
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[](const auto& event) { return std::make_unique<EventsModelItem>(event); });
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endResetModel();
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}
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private:
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std::vector<std::unique_ptr<EventsModelItem>> _items;
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};
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#endif // EVENTSMODEL_H
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