cutelyst  3.9.1
A C++ Web Framework built on top of Qt, using the simple approach of Catalyst (Perl) framework.
validatordifferent.cpp
1 /*
2  * SPDX-FileCopyrightText: (C) 2017-2022 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 
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 {
20 }
21 
23 {
24  ValidatorReturnType result;
25 
26  Q_D(const ValidatorDifferent);
27 
28  const QString v = value(params);
29  const QString o =
30  trimBefore() ? params.value(d->otherField).trimmed() : params.value(d->otherField);
31 
32  if (!v.isEmpty()) {
33  if ((v == o)) {
34  result.errorMessage = validationError(c);
35  qCDebug(C_VALIDATOR,
36  "ValidatorDifferent: Validation failed for value %s in field %s at %s::%s: the "
37  "value in the %s field is not different.",
38  qPrintable(v),
39  qPrintable(field()),
40  qPrintable(c->controllerName()),
41  qPrintable(c->actionName()),
42  qPrintable(d->otherField));
43  } else {
44  result.value.setValue(v);
45  }
46  }
47 
48  return result;
49 }
50 
52 {
53  QString error;
54 
55  Q_D(const ValidatorDifferent);
56 
57  Q_UNUSED(errorData);
58 
59  const QString _label = label(c);
60  const QString _otherLabel =
61  d->otherLabel ? c->translate(d->translationContext.data(), d->otherLabel) : QString();
62 
63  if (_label.isEmpty()) {
64  //: %1 will be replaced by the other field's label to compare with
65  error = c->translate("Cutelyst::ValidatorDifferent",
66  "Has to be different from the value in the “%1” field.")
67  .arg(!_otherLabel.isEmpty() ? _otherLabel : d->otherField);
68  } else {
69  //: %1 will be replaced by the field label, %2 will be replaced by the other field's label
70  //: to compare with
71  error = c->translate("Cutelyst::ValidatorDifferent",
72  "The value in the “%1” field has to be different from the value in "
73  "the “%2“ field.")
74  .arg(_label, !_otherLabel.isEmpty() ? _otherLabel : d->otherField);
75  }
76 
77  return error;
78 }
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:490
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.
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(Args &&... args) const const
ValidatorDifferent(const QString &field, const QString &other, const char *otherLabel=nullptr, const ValidatorMessages &messages=ValidatorMessages())
Constructs a new different validator.
T value(const Key &key, const T &defaultValue) const const
void setValue(QVariant &&value)
~ValidatorDifferent() override
Deconstructs the different validator.