recurring item serialization

src/recurring.h

@@ -17,27 +17,91 @@ enum Schedule {
 QString schedule_desc(Schedule s);
 
 struct RecurringPaymentInfo {
-    QString hashid;
+    QString     hashid;
 
-    QString         desc;
-    QString         fromAddr;
-    QString         toAddr;
-    double          amt;
-    QString         memo;
-    QString         currency;
-    Schedule        schedule;
-    int             numPayments;
+    QString     desc;
+    QString     fromAddr;
+    QString     toAddr;
+    double      amt;
+    QString     memo;
+    QString     currency;
+    Schedule    schedule;
+    int         frequency;
+    int         numPayments;
 
-    QDateTime       startDate;
-    int             completedPayments;
+    QDateTime   startDate;
+    int         completedPayments;
 
     struct HistoryItem {
         int paymentNumber;
-        QDateTime dt;
+        QDateTime date;
         QString txid;
     };
     QList<HistoryItem> history;
 
+    static RecurringPaymentInfo fromJson(QJsonObject j) {
+        RecurringPaymentInfo r;
+        r.hashid = j["hash"].toString();
+        r.desc = j["desc"].toString();
+        r.fromAddr = j["from"].toString();
+        r.toAddr = j["to"].toString();
+        r.amt = j["amt"].toString().toDouble();
+        r.memo = j["memo"].toString();
+        r.currency = j["currency"].toString();
+        r.schedule = (Schedule)j["schedule"].toInt();
+        r.frequency = j["frequency"].toInt();
+        r.numPayments = j["numpayments"].toInt();
+        r.startDate = QDateTime::fromSecsSinceEpoch(j["startdate"].toString().toLongLong());
+        r.completedPayments = j["completed"].toInt();
+
+        r.history = QList<HistoryItem>();
+        for (auto h : j["history"].toArray()) {
+            HistoryItem item;
+
+            item.paymentNumber = h.toObject()["paymentnumber"].toInt();
+            item.date = QDateTime::fromSecsSinceEpoch(h.toObject()["date"].toString().toLongLong());
+            item.txid = h.toObject()["txid"].toString();
+
+            r.history.append(item);
+        }
+
+        return r;
+    }
+
+    void updateHash() {
+        auto val = getScheduleDescription() + fromAddr + toAddr;
+        hashid = QCryptographicHash::hash(val.toUtf8(), QCryptographicHash::Sha256);
+    }
+
+    QJsonObject toJson() {
+        QJsonArray historyJson;
+        for (auto h : history) {
+            historyJson.append(QJsonObject{
+                {"paymentnumber", h.paymentNumber},
+                {"date", QString::number(h.date.toSecsSinceEpoch())},
+                {"txid", h.txid}
+            });
+        }
+
+        auto j = QJsonObject{
+            {"hash", hashid},
+            {"desc", desc},
+            {"from", fromAddr},
+            {"to", toAddr},
+            {"amt", Settings::getDecimalString(amt)},
+            {"memo", memo},
+            {"currency", currency},
+            {"schedule", (int)schedule},
+            {"frequency", frequency},
+            {"numpayments", numPayments},
+            {"startdate", QString::number(startDate.toSecsSinceEpoch())},
+            {"completed", completedPayments},
+            {"history", historyJson}
+        };
+
+        return j;
+    }
+
     QString getScheduleDescription() {
         return "Pay " % (currency == "USD" ? Settings::getUSDFormat(amt) : Settings::getZECDisplayFormat(amt))
             % " every " % schedule_desc(schedule) % ", starting " % startDate.toString("yyyy-MMM-dd")