validatorjson.cpp

/*
 * SPDX-FileCopyrightText: (C) 2017-2022 Matthias Fehring <mf@huessenbergnetz.de>
 * SPDX-License-Identifier: BSD-3-Clause
 */
 
#include "validatorjson_p.h"
 
#include <QJsonDocument>
#include <QJsonParseError>
 
using namespace Cutelyst;
 
ValidatorJson::ValidatorJson(const QString &field,
                             const Cutelyst::ValidatorMessages &messages,
                             const QString &defValKey)
    : ValidatorRule(*new ValidatorJsonPrivate(field, messages, defValKey))
{
}
 
ValidatorJson::~ValidatorJson()
{
}
 
ValidatorReturnType ValidatorJson::validate(Cutelyst::Context *c,
                                            const ParamsMultiMap &params) const
{
    ValidatorReturnType result;
 
    const QString v = value(params);
 
    if (!v.isEmpty()) {
        QJsonParseError jpe;
        const QJsonDocument json = QJsonDocument::fromJson(v.toUtf8(), &jpe);
        if (json.isEmpty() || json.isNull()) {
            result.errorMessage = validationError(c, jpe.errorString());
            qCDebug(C_VALIDATOR,
                    "ValidatorJson: Validation failed for field %s at %s::%s with the following "
                    "error: %s",
                    qPrintable(field()),
                    qPrintable(c->controllerName()),
                    qPrintable(c->actionName()),
                    qPrintable(jpe.errorString()));
        } else {
            result.value.setValue(json);
        }
    } else {
        defaultValue(c, &result, "ValidatorJson");
    }
 
    return result;
}
 
QString ValidatorJson::genericValidationError(Context *c, const QVariant &errorData) const
{
    QString error;
    const QString _label    = label(c);
    const QString jsonError = errorData.toString();
    if (_label.isEmpty()) {
        if (!jsonError.isEmpty()) {
            //: %1 will contain the json error
            error = c->translate("Cutelyst::ValidatorJson", "Invalid JSON data: %1").arg(jsonError);
        } else {
            error = c->translate("Cutelyst::ValidatorJson", "Invalid JSON data.");
        }
    } else {
        if (!jsonError.isEmpty()) {
            //: %1 will contain the field label, %2 will contain the json error
            error = c->translate("Cutelyst::ValidatorJson",
                                 "The data entered in the “%1” field is not valid JSON: %2")
                        .arg(_label, jsonError);
        } else {
            //: %1 will be replaced by the field label
            error = c->translate("Cutelyst::ValidatorJson",
                                 "The data entered in the “%1” field is not valid JSON.")
                        .arg(_label);
        }
    }
    return error;
}