cutelyst  5.0.1
A C++ Web Framework built on top of Qt, using the simple approach of Catalyst (Perl) framework.
validatordifferent.cpp
1 /*
2  * SPDX-FileCopyrightText: (C) 2017-2025 Matthias Fehring <mf@huessenbergnetz.de>
3  * SPDX-License-Identifier: BSD-3-Clause
4  */
5 
6 #include "validatordifferent_p.h"
7 
8 using namespace Cutelyst;
9 
11  const QString &other,
12  const char *otherLabel,
13  const Cutelyst::ValidatorMessages &messages)
14  : ValidatorRule(*new ValidatorDifferentPrivate(field, other, otherLabel, messages))
15 {
16 }
17 
19 
21 {
22  ValidatorReturnType result;
23 
24  Q_D(const ValidatorDifferent);
25 
26  const QString v = value(params);
27  const QString o =
28  trimBefore() ? params.value(d->otherField).trimmed() : params.value(d->otherField);
29 
30  if (!v.isEmpty()) {
31  if ((v == o)) {
32  result.errorMessage = validationError(c);
33  qCDebug(C_VALIDATOR).noquote().nospace()
34  << debugString(c) << " The value in \"" << d->otherField
35  << "\" is not different: \"" << v << "\" == \"" << o << "\"";
36  } else {
37  result.value.setValue(v);
38  }
39  }
40 
41  return result;
42 }
43 
45  const ParamsMultiMap &params,
46  ValidatorRtFn cb) const
47 {
48  cb(validate(c, params));
49 }
50 
52 {
53  Q_D(const ValidatorDifferent);
54 
55  Q_UNUSED(errorData);
56 
57  const QString _label = label(c);
58  const QString _otherLabel = [d, c]() -> QString {
59  if (d->otherLabel) {
60  return d->translationContext ? c->translate(d->translationContext, d->otherLabel)
61  : c->qtTrId(d->otherLabel);
62  } else {
63  return {};
64  }
65  }();
66 
67  if (_label.isEmpty()) {
68  //: %1 will be replaced by the other field’s label or name to compare with
69  //% "Has to be different from the value in the “%1” field."
70  return c->qtTrId("cutelyst-valdifferent-genvalerr")
71  .arg(!_otherLabel.isEmpty() ? _otherLabel : d->otherField);
72  } else {
73  //: %1 will be replaced by the field label, %2 will be replaced by the other field’s label
74  //: to compare with
75  //% "The value in the “%1” field has to be different from the value in the “%2“ field."
76  return c->qtTrId("cutelyst-valdifferent-genvalerr-label")
77  .arg(_label, !_otherLabel.isEmpty() ? _otherLabel : d->otherField);
78  }
79 }
Stores custom error messages and the input field label.
ValidatorReturnType validate(Context *c, const ParamsMultiMap &params) const override
Checks if two values are different.
void validateCb(Context *c, const ParamsMultiMap &params, ValidatorRtFn cb) const override
bool trimBefore() const noexcept
The Cutelyst Context.
Definition: context.h:42
bool isEmpty() const const
QString translate(const char *context, const char *sourceText, const char *disambiguation=nullptr, int n=-1) const
Definition: context.cpp:485
The Cutelyst namespace holds all public Cutelyst API.
QString debugString(const Context *c) const
Base class for all validator rules.
QString value(const ParamsMultiMap &params) const
QString label(const Context *c) const
std::function< void(ValidatorReturnType &&result)> ValidatorRtFn
Void callback function for validator rules that processes the ValidatorReturnType.
Definition: validatorrule.h:82
QString genericValidationError(Context *c, const QVariant &errorData=QVariant()) const override
QString validationError(Context *c, const QVariant &errorData={}) const
QString qtTrId(const char *id, int n=-1) const
Definition: context.h:658
Contains the result of a single input parameter validation.
Definition: validatorrule.h:52
QString arg(Args &&... args) const const
ValidatorDifferent(const QString &field, const QString &other, const char *otherLabel=nullptr, const ValidatorMessages &messages=ValidatorMessages())
T value(const Key &key, const T &defaultValue) const const
void setValue(QVariant &&value)