validatorrule.cpp

/*
 * SPDX-FileCopyrightText: (C) 2017-2025 Matthias Fehring <mf@huessenbergnetz.de>
 * SPDX-License-Identifier: BSD-3-Clause
 */

#include "validatorrule_p.h"

#include <Cutelyst/Context>
#include <Cutelyst/ParamsMultiMap>

using namespace Cutelyst;

ValidatorRule::ValidatorRule(const QString &field,
                             const ValidatorMessages &messages,
                             const QString &defValKey,
                             QByteArrayView validatorName)
    : d_ptr(new ValidatorRulePrivate(field, messages, defValKey, validatorName))
{
}

ValidatorRule::ValidatorRule(ValidatorRulePrivate &dd)
    : d_ptr(&dd)
{
}

ValidatorRule::~ValidatorRule() = default;

QString ValidatorRule::field() const noexcept
{
    Q_D(const ValidatorRule);
    return d->field;
}

QString ValidatorRule::value(const Cutelyst::ParamsMultiMap &params) const
{
    Q_D(const ValidatorRule);

    if (!d->field.isEmpty() && !params.empty()) {
        if (d->trimBefore) {
            return params.value(d->field).trimmed();
        } else {
            return params.value(d->field);
        }
    }

    return {};
}

QString ValidatorRule::label(const Context *c) const
{
    Q_D(const ValidatorRule);

    if (d->messages.label) {
        return d->translationContext ? c->translate(d->translationContext, d->messages.label)
                                     : c->qtTrId(d->messages.label);
    }

    return {};
}

void ValidatorRule::validateCb(Context *c,
                               const ParamsMultiMap &params,
                               Cutelyst::ValidatorRtFn cb) const
{
    Q_UNUSED(params)
    qCCritical(C_VALIDATOR).noquote()
        << debugString(c) << "validateCb method is not implemented on this validator";
    //% "The validateCb method is no implemented for this validator."
    cb(ValidatorReturnType{
        .errorMessage = c->qtTrId("cutelyst-valrule-cb-not-impl-err"), .value = {}, .extra = {}});
}

QString ValidatorRule::validationError(Cutelyst::Context *c, const QVariant &errorData) const
{
    Q_UNUSED(errorData)
    Q_D(const ValidatorRule);

    if (d->messages.validationError) {
        return d->translationContext
                   ? c->translate(d->translationContext, d->messages.validationError)
                   : c->qtTrId(d->messages.validationError);
    }

    return genericValidationError(c, errorData);
}

QString ValidatorRule::genericValidationError(Context *c, const QVariant &errorData) const
{
    Q_UNUSED(errorData)
    const QString _label = label(c);
    if (_label.isEmpty()) {
        //% "The input data is not acceptable."
        return c->qtTrId("cutelyst-valrule-genvalerr");
    } else {
        //: %1 will be replaced by the field label
        //% "The input data in the “%1” field is not acceptable."
        return c->qtTrId("cutelyst-valrule-genvalerr-label").arg(_label);
    }
}

QString ValidatorRule::parsingError(Cutelyst::Context *c, const QVariant &errorData) const
{
    Q_D(const ValidatorRule);
    Q_UNUSED(errorData)

    if (d->messages.parsingError) {
        return d->translationContext ? c->translate(d->translationContext, d->messages.parsingError)
                                     : c->qtTrId(d->messages.parsingError);
    }

    return genericParsingError(c, errorData);
}

QString ValidatorRule::genericParsingError(Cutelyst::Context *c, const QVariant &errorData) const
{
    Q_UNUSED(errorData)
    const QString _label = label(c);
    if (_label.isEmpty()) {
        //% "The input data could not be parsed."
        return c->qtTrId("cutelyst-valrule-genparseerr");
    } else {
        //: %1 will be replaced by the field label
        //% "The input data in the “%1“ field could not be parsed."
        return c->qtTrId("cutelyst-valrule-genparseerr-label").arg(_label);
    }
}

QString ValidatorRule::validationDataError(Context *c, const QVariant &errorData) const
{
    Q_D(const ValidatorRule);
    Q_UNUSED(errorData)

    if (d->messages.validationDataError) {
        return d->translationContext
                   ? c->translate(d->translationContext, d->messages.validationDataError)
                   : c->qtTrId(d->messages.validationDataError);
    }

    return genericValidationDataError(c, errorData);
}

QString ValidatorRule::genericValidationDataError(Context *c, const QVariant &errorData) const
{
    Q_UNUSED(errorData)
    const QString _label = label(c);
    if (_label.isEmpty()) {
        //% "Missing or invalid validation data."
        return c->qtTrId("cutelyst-valrule-genvaldataerr");
    } else {
        //: %1 will be replaced by the field label
        //% "Missing or invalid validation data for the “%1” field."
        return c->qtTrId("cutelyst-valrule-genvaldataerr-label").arg(_label);
    }
}

void ValidatorRule::defaultValue(Context *c, ValidatorReturnType *result) const
{
    Q_ASSERT_X(c, "getting default value", "invalid context object");
    Q_ASSERT_X(result, "getting default value", "invalid result object");
    Q_D(const ValidatorRule);
    if (!d->defValKey.isEmpty() && c->stash().contains(d->defValKey)) {
        result->value.setValue(c->stash(d->defValKey));
        qCDebug(C_VALIDATOR).noquote().nospace()
            << d->validatorName << ": Using default value " << result->value << " for field \""
            << field() << "\" at " << c->controllerName() << "::" << c->actionName();
    }
}

void ValidatorRule::defaultValue(Context *c, ValidatorRtFn cb) const
{
    Q_ASSERT_X(c, "getting default value", "invalid context object");
    Q_D(const ValidatorRule);
    if (!d->defValKey.isEmpty() && c->stash().contains(d->defValKey)) {
        const auto defVal = c->stash(d->defValKey);
        qCDebug(C_VALIDATOR).noquote().nospace()
            << d->validatorName << ": Using default value " << defVal << " for field \"" << field()
            << "\" at " << c->controllerName() << "::" << c->actionName();
        cb({.errorMessage = {}, .value = defVal});
    } else {
        cb({});
    }
}

QString ValidatorRule::debugString(const Context *c) const
{
    Q_D(const ValidatorRule);
    return QString::fromLatin1(d->validatorName) +
           QLatin1String(": Validation failed for field \"") + field() + QLatin1String("\" at ") +
           c->controllerName() + u"::" + c->actionName() + u':';
}

bool ValidatorRule::trimBefore() const noexcept
{
    Q_D(const ValidatorRule);
    return d->trimBefore;
}

void ValidatorRule::setTrimBefore(bool trimBefore) noexcept
{
    Q_D(ValidatorRule);
    d->trimBefore = trimBefore;
}

void ValidatorRule::setTranslationContext(const char *trContext) noexcept
{
    Q_D(ValidatorRule);
    d->translationContext = trContext;
}