Cutelyst  3.5.0
validatordifferent.cpp
1 /*
2  * SPDX-FileCopyrightText: (C) 2017-2022 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 
10 ValidatorDifferent::ValidatorDifferent(const QString &field, const QString &other, const char *otherLabel, const Cutelyst::ValidatorMessages &messages) :
11  ValidatorRule(*new ValidatorDifferentPrivate(field, other, otherLabel, messages))
12 {
13 }
14 
16 {
17 }
18 
20 {
21  ValidatorReturnType result;
22 
23  Q_D(const ValidatorDifferent);
24 
25  const QString v = value(params);
26  const QString o = trimBefore() ? params.value(d->otherField).trimmed() : params.value(d->otherField);
27 
28  if (!v.isEmpty()) {
29  if ((v == o)) {
30  result.errorMessage = validationError(c);
31  qCDebug(C_VALIDATOR, "ValidatorDifferent: Validation failed for value %s in field %s at %s::%s: the value in the %s field is not different.",
32  qPrintable(v),
33  qPrintable(field()),
34  qPrintable(c->controllerName()),
35  qPrintable(c->actionName()),
36  qPrintable(d->otherField));
37  } else {
38  result.value.setValue(v);
39  }
40  }
41 
42  return result;
43 }
44 
46 {
47  QString error;
48 
49  Q_D(const ValidatorDifferent);
50 
51  Q_UNUSED(errorData);
52 
53  const QString _label = label(c);
54  const QString _otherLabel = d->otherLabel ? c->translate(d->translationContext.data(), d->otherLabel) : QString();
55 
56  if (_label.isEmpty()) {
57  //: %1 will be replaced by the other field's label to compare with
58  error = c->translate("Cutelyst::ValidatorDifferent", "Has to be different from the value in the “%1” field.").arg(!_otherLabel.isEmpty() ? _otherLabel : d->otherField);
59  } else {
60  //: %1 will be replaced by the field label, %2 will be replaced by the other field's label to compare with
61  error = c->translate("Cutelyst::ValidatorDifferent", "The value in the “%1” field has to be different from the value in the “%2“ field.").arg(_label, !_otherLabel.isEmpty() ? _otherLabel : d->otherField);
62  }
63 
64  return error;
65 }
66 
QString validationError(Context *c, const QVariant &errorData=QVariant()) const
Returns a descriptive error message if validation failed.
Stores custom error messages and the input field label.
ValidatorReturnType validate(Context *c, const ParamsMultiMap &params) const override
Performs the validation and returns the result.
Checks if two values are different.
The Cutelyst Context.
Definition: context.h:38
bool isEmpty() const const
bool trimBefore() const
Returns true if the field value should be trimmed before validation.
QString translate(const char *context, const char *sourceText, const char *disambiguation=nullptr, int n=-1) const
Definition: context.cpp:471
The Cutelyst namespace holds all public Cutelyst API.
Definition: Mainpage.dox:7
Base class for all validator rules.
QString label(Context *c) const
Returns the human readable field label used for generic error messages.
void setValue(const T &value)
QString value(const ParamsMultiMap &params) const
Returns the value of the field from the input params.
QString genericValidationError(Context *c, const QVariant &errorData=QVariant()) const override
Returns a generic error if validation failed.
QString field() const
Returns the name of the field to validate.
Contains the result of a single input parameter validation.
Definition: validatorrule.h:49
QString arg(qlonglong a, int fieldWidth, int base, QChar fillChar) const const
ValidatorDifferent(const QString &field, const QString &other, const char *otherLabel=nullptr, const ValidatorMessages &messages=ValidatorMessages())
Constructs a new different validator.
const T value(const Key &key, const T &defaultValue) const const
~ValidatorDifferent() override
Deconstructs the different validator.