hawd json output module

1 files changed, 87 insertions, 0 deletions

diff --git a/tests/hawd/modules/json.cpp b/tests/hawd/modules/json.cpp
new file mode 100644
index 0000000..d08df49
--- /dev/null
+++ b/tests/hawd/modules/json.cpp
@@ -0,0 +1,87 @@
+/*
+ *   Copyright (C) 2017 Christian Mollekopf <mollekopf@kolabsystems.com>
+ *
+ *   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation; either version 2 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program; if not, write to the
+ *   Free Software Foundation, Inc.,
+ *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA.
+ */
+
+#include "json.h"
+
+#include "../datasetdefinition.h"
+#include "../dataset.h"
+
+#include <QDir>
+#include <QObject>
+#include <QJsonDocument>
+#include <QJsonObject>
+#include <QJsonArray>
+#include <QDateTime>
+
+#include <iostream>
+
+namespace HAWD
+{
+
+Json::Json()
+    : Module()
+{
+    Syntax top("json", &Json::toJson);
+    setSyntax(top);
+    setDescription(QObject::tr("Prints a table from a dataset to json; you can provide a list of rows to output"));
+}
+
+bool Json::toJson(const QStringList &commands, State &state)
+{
+    if (commands.isEmpty()) {
+        std::cout << QObject::tr("print requires a dataset to be named").toStdString() << std::endl;
+        return true;
+    }
+
+    const QString datasetName = commands.first();
+
+    QDir project(state.projectPath());
+    Dataset dataset(datasetName, state);
+
+    if (!dataset.isValid()) {
+        std::cout << QObject::tr("The dataset %1 could not be loaded; try checking it with the check command").arg(datasetName).toStdString() << std::endl;
+        return true;
+    }
+
+    auto definition = state.datasetDefinition(datasetName);
+
+    QJsonObject json;
+    json.insert("dataset", datasetName);
+    json.insert("description", definition.description());
+
+    const auto columns = definition.columns();
+
+    QJsonArray array;
+    dataset.eachRow(
+        [&](const Dataset::Row &row) {
+            QJsonObject jsonRow;
+            jsonRow.insert("timestamp", QJsonValue::fromVariant(row.timestamp()));
+            jsonRow.insert("commit", row.commitHash());
+            for (const auto &col : columns) {
+                jsonRow.insert(col.first, QJsonValue::fromVariant(row.value(col.first)));
+            }
+            array.append(jsonRow);
+        });
+    json.insert("rows", array);
+    std::cout << QJsonDocument{json}.toJson().toStdString() << std::endl;
+    return true;
+}
+
+} // namespace HAWD
+