validatorsize.cpp

/*
 * SPDX-FileCopyrightText: (C) 2017-2023 Matthias Fehring <mf@huessenbergnetz.de>
 * SPDX-License-Identifier: BSD-3-Clause
 */
 
#include "validatorsize_p.h"
 
using namespace Cutelyst;
 
ValidatorSize::ValidatorSize(const QString &field,
                             QMetaType::Type type,
                             const QVariant &size,
                             const Cutelyst::ValidatorMessages &messages,
                             const QString &defValKey)
    : ValidatorRule(*new ValidatorSizePrivate(field, type, size, messages, defValKey))
{
}
 
ValidatorSize::~ValidatorSize() = default;
 
ValidatorReturnType ValidatorSize::validate(Context *c, const ParamsMultiMap &params) const
{
    ValidatorReturnType result;
 
    const QString v = value(params);
 
    if (!v.isEmpty()) {
 
        Q_D(const ValidatorSize);
        bool ok    = false;
        bool valid = false;
 
        switch (d->type) {
        case QMetaType::Short:
        case QMetaType::Int:
        case QMetaType::Long:
        case QMetaType::LongLong:
        {
            const auto val = c->locale().toLongLong(v, &ok);
            if (Q_UNLIKELY(!ok)) {
                result.errorMessage = parsingError(c);
                qCWarning(C_VALIDATOR).noquote().nospace()
                    << debugString(c) << "Failed to parse \"" << v << "\" into an integer number";
            } else {
                const qlonglong size = d->extractLongLong(c, params, d->size, &ok);
                if (Q_UNLIKELY(!ok)) {
                    result.errorMessage = validationDataError(c, 1);
                    qCWarning(C_VALIDATOR).noquote() << debugString(c) << "Invalid comparison size";
                } else {
                    if (val != size) {
                        result.errorMessage =
                            validationError(c,
                                            QVariantMap{{QStringLiteral("val"), val},
                                                        {QStringLiteral("size"), size}});
                        qCDebug(C_VALIDATOR).noquote() << debugString(c) << val << "!=" << size;
                    } else {
                        valid = true;
                    }
                }
            }
        } break;
        case QMetaType::UShort:
        case QMetaType::UInt:
        case QMetaType::ULong:
        case QMetaType::ULongLong:
        {
            const auto val = v.toULongLong(&ok);
            if (Q_UNLIKELY(!ok)) {
                result.errorMessage = parsingError(c);
                qCWarning(C_VALIDATOR).noquote().nospace()
                    << debugString(c) << "Failed to parse \"" << v
                    << "\" into an unsigned integer number";
            } else {
                const qulonglong size = d->extractULongLong(c, params, d->size, &ok);
                if (Q_UNLIKELY(!ok)) {
                    result.errorMessage = validationDataError(c, 1);
                    qCWarning(C_VALIDATOR).noquote() << debugString(c) << "Invalid comparison size";
                } else {
                    if (val != size) {
                        result.errorMessage =
                            validationError(c,
                                            QVariantMap{{QStringLiteral("val"), val},
                                                        {QStringLiteral("size"), size}});
                        qCDebug(C_VALIDATOR).noquote() << debugString(c) << val << "!=" << size;
                    } else {
                        valid = true;
                    }
                }
            }
        } break;
        case QMetaType::Float:
        case QMetaType::Double:
        {
            const auto val = v.toDouble(&ok);
            if (Q_UNLIKELY(!ok)) {
                result.errorMessage = parsingError(c);
                qCWarning(C_VALIDATOR).noquote().nospace()
                    << debugString(c) << "Failed to parse \"" << v
                    << "\" into a floating point number";
            } else {
                const double size = d->extractDouble(c, params, d->size, &ok);
                if (Q_UNLIKELY(!ok)) {
                    result.errorMessage = validationDataError(c, 1);
                    qCWarning(C_VALIDATOR).noquote() << debugString(c) << "Invalid comparison size";
                } else {
                    if (val != size) {
                        result.errorMessage =
                            validationError(c,
                                            QVariantMap{{QStringLiteral("val"), val},
                                                        {QStringLiteral("size"), size}});
                        qCDebug(C_VALIDATOR).noquote() << debugString(c) << val << "!=" << size;
                    } else {
                        valid = true;
                    }
                }
            }
        } break;
        case QMetaType::QString:
        {
            const auto val       = static_cast<qlonglong>(v.length());
            const qlonglong size = d->extractLongLong(c, params, d->size, &ok);
            if (Q_UNLIKELY(!ok)) {
                result.errorMessage = validationDataError(c, 1);
                qCWarning(C_VALIDATOR).noquote() << debugString(c) << "Invalid comparison size";
            } else {
                if (val != size) {
                    result.errorMessage = validationError(
                        c,
                        QVariantMap{{QStringLiteral("val"), val}, {QStringLiteral("size"), size}});
                    qCDebug(C_VALIDATOR).noquote()
                        << debugString(c) << "string length" << val << "!=" << size;
                } else {
                    valid = true;
                }
            }
        } break;
        default:
            qCWarning(C_VALIDATOR).noquote()
                << debugString(c) << "The comparison type" << d->type << "is not supported";
            result.errorMessage = validationDataError(c, 0);
            break;
        }
 
        if (valid) {
            if (d->type != QMetaType::QString) {
                const QVariant _v = d->valueToNumber(c, v, d->type);
                if (_v.isValid()) {
                    result.value = _v;
                } else {
                    result.errorMessage = parsingError(c);
                }
            } else {
                result.value.setValue(v);
            }
        }
    } else {
        defaultValue(c, &result);
    }
 
    return result;
}
 
QString ValidatorSize::genericValidationError(Context *c, const QVariant &errorData) const
{
    QString error;
 
    Q_D(const ValidatorSize);
 
    const QVariantMap map = errorData.toMap();
    QString size;
    switch (d->type) {
    case QMetaType::Short:
    case QMetaType::Int:
    case QMetaType::Long:
    case QMetaType::LongLong:
    case QMetaType::QString:
        size = c->locale().toString(map.value(u"size"_qs).toLongLong());
        break;
    case QMetaType::UShort:
    case QMetaType::UInt:
    case QMetaType::ULong:
    case QMetaType::ULongLong:
        size = c->locale().toString(map.value(u"size"_qs).toULongLong());
        break;
    case QMetaType::Float:
    case QMetaType::Double:
        size = c->locale().toString(map.value(u"size"_qs).toDouble());
        break;
    default:
        error = validationDataError(c);
        return error;
    }
 
    const QString _label = label(c);
 
    if (_label.isEmpty()) {
        if (d->type == QMetaType::QString) {
            //: %1 will be replaced by the required string size
            error = c->translate("Cutelyst::ValidatorSize",
                                 "The text must be exactly %1 characters long.")
                        .arg(size);
        } else {
            //: %1 will be replaced by the required size/value
            error = c->translate("Cutelyst::ValidatorSize", "The value must be %1.").arg(size);
        }
    } else {
        if (d->type == QMetaType::QString) {
            //: %1 will be replaced by the field label, %2 will be replaced by the required string
            //: size
            error = c->translate("Cutelyst::ValidatorSize",
                                 "The text in the “%1“ field must be exactly %2 characters long.")
                        .arg(_label, size);
        } else {
            //: %1 will be replaced by the field label, %2 will be replaced by the required
            //: size/value
            error =
                c->translate("Cutelyst::ValidatorSize", "The value in the “%1” field must be %2.")
                    .arg(_label, size);
        }
    }
 
    return error;
}
 
QString ValidatorSize::genericValidationDataError(Context *c, const QVariant &errorData) const
{
    QString error;
 
    int field            = errorData.toInt();
    const QString _label = label(c);
 
    if (field == 0) {
        Q_D(const ValidatorSize);
        if (_label.isEmpty()) {
            error = c->translate("Cutelyst::ValidatorSize",
                                 "The comparison type with ID %1 is not supported.")
                        .arg(static_cast<int>(d->type));
        } else {
            error =
                c->translate("Cutelyst::ValidatorSize",
                             "The comparison type with ID %1 for the “%2” field is not supported.")
                    .arg(QString::number(static_cast<int>(d->type)), _label);
        }
    } else if (field == 1) {
        if (_label.isEmpty()) {
            error = c->translate("Cutelyst::ValidatorSize", "The comparison value is not valid.");
        } else {
            //: %1 will be replaced by the field label
            error = c->translate("Cutelyst::ValidatorSize",
                                 "The comparison value for the “%1” field is not valid.")
                        .arg(_label);
        }
    }
 
    return error;
}
 
QString ValidatorSize::genericParsingError(Context *c, const QVariant &errorData) const
{
    QString error;
    Q_UNUSED(errorData)
    Q_D(const ValidatorSize);
 
    const QString _label = label(c);
    if ((d->type == QMetaType::Float) || (d->type == QMetaType::Double)) {
        if (_label.isEmpty()) {
            error = c->translate("Cutelyst::ValidatorSize",
                                 "Failed to parse the input value into a floating point number.");
        } else {
            //: %1 will be replaced by the field label
            error = c->translate("Cutelyst::ValidatorSize",
                                 "Failed to parse the input value for the “%1” field into a "
                                 "floating point number.")
                        .arg(_label);
        }
    } else {
        if (_label.isEmpty()) {
            error = c->translate("Cutelyst::ValidatorSize",
                                 "Failed to parse the input value into an integer number.");
        } else {
            //: %1 will be replaced by the field label
            error =
                c->translate(
                     "Cutelyst::ValidatorSize",
                     "Failed to parse the input value for the “%1” field into an integer number.")
                    .arg(_label);
        }
    }
 
    return error;
}