Inside Bitcoin

1// Copyright (c) 2011-present The Bitcoin Core developers
2// Distributed under the MIT software license, see the accompanying
3// file COPYING or http://www.opensource.org/licenses/mit-license.php.
4
5#ifndef BITCOIN_QT_RECENTREQUESTSTABLEMODEL_H
6#define BITCOIN_QT_RECENTREQUESTSTABLEMODEL_H
7
8#include <qt/sendcoinsrecipient.h>
9
10#include <string>
11
12#include <QAbstractTableModel>
13#include <QStringList>
14#include <QDateTime>
15
16class WalletModel;
17
18class RecentRequestEntry
19{
20public:
21    RecentRequestEntry() = default;
22
23    static constexpr int CURRENT_VERSION{1};
24    int nVersion{RecentRequestEntry::CURRENT_VERSION};
25    int64_t id{0};
26    QDateTime date;
27    SendCoinsRecipient recipient;
28
29    SERIALIZE_METHODS(RecentRequestEntry, obj) {
30        unsigned int date_timet;
31        SER_WRITE(obj, date_timet = obj.date.toSecsSinceEpoch());
32        READWRITE(obj.nVersion, obj.id, date_timet, obj.recipient);
33        SER_READ(obj, obj.date = QDateTime::fromSecsSinceEpoch(date_timet));
34    }
35};
36
37class RecentRequestEntryLessThan
38{
39public:
40    RecentRequestEntryLessThan(int nColumn, Qt::SortOrder fOrder):
41        column(nColumn), order(fOrder) {}
42    bool operator()(const RecentRequestEntry& left, const RecentRequestEntry& right) const;
43
44private:
45    int column;
46    Qt::SortOrder order;
47};
48
49/** Model for list of recently generated payment requests / bitcoin: URIs.
50 * Part of wallet model.
51 */
52class RecentRequestsTableModel: public QAbstractTableModel
53{
54    Q_OBJECT
55
56public:
57    explicit RecentRequestsTableModel(WalletModel *parent);
58    ~RecentRequestsTableModel();
59
60    enum ColumnIndex {
61        Date = 0,
62        Label = 1,
63        Message = 2,
64        Amount = 3,
65        NUMBER_OF_COLUMNS
66    };
67
68    /** @name Methods overridden from QAbstractTableModel
69        @{*/
70    int rowCount(const QModelIndex &parent) const override;
71    int columnCount(const QModelIndex &parent) const override;
72    QVariant data(const QModelIndex &index, int role) const override;
73    bool setData(const QModelIndex &index, const QVariant &value, int role) override;
74    QVariant headerData(int section, Qt::Orientation orientation, int role) const override;
75    QModelIndex index(int row, int column, const QModelIndex &parent = QModelIndex()) const override;
76    bool removeRows(int row, int count, const QModelIndex &parent = QModelIndex()) override;
77    Qt::ItemFlags flags(const QModelIndex &index) const override;
78    void sort(int column, Qt::SortOrder order = Qt::AscendingOrder) override;
79    /*@}*/
80
81    const RecentRequestEntry &entry(int row) const { return list[row]; }
82    void addNewRequest(const SendCoinsRecipient &recipient);
83    void addNewRequest(const std::string &recipient);
84    void addNewRequest(RecentRequestEntry &recipient);
85
86public Q_SLOTS:
87    void updateDisplayUnit();
88
89private:
90    WalletModel *walletModel;
91    QStringList columns;
92    QList<RecentRequestEntry> list;
93    int64_t nReceiveRequestsMaxId{0};
94
95    /** Updates the column title to "Amount (DisplayUnit)" and emits headerDataChanged() signal for table headers to react. */
96    void updateAmountColumnTitle();
97    /** Gets title for amount column including current display unit if optionsModel reference available. */
98    QString getAmountTitle();
99};
100
101#endif // BITCOIN_QT_RECENTREQUESTSTABLEMODEL_H
102