Cutelyst  2.3.0
validatordifferent.cpp
1 /*
2  * Copyright (C) 2017-2018 Matthias Fehring <kontakt@buschmann23.de>
3  *
4  * This library is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU Lesser General Public
6  * License as published by the Free Software Foundation; either
7  * version 2.1 of the License, or (at your option) any later version.
8  *
9  * This library is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12  * Lesser General Public License for more details.
13  *
14  * You should have received a copy of the GNU Lesser General Public
15  * License along with this library; if not, write to the Free Software
16  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17  */
18 
19 #include "validatordifferent_p.h"
20 
21 using namespace Cutelyst;
22 
23 ValidatorDifferent::ValidatorDifferent(const QString &field, const QString &other, const char *otherLabel, const Cutelyst::ValidatorMessages &messages) :
24  ValidatorRule(*new ValidatorDifferentPrivate(field, other, otherLabel, messages))
25 {
26 }
27 
29 {
30 }
31 
33 {
34  ValidatorReturnType result;
35 
36  Q_D(const ValidatorDifferent);
37 
38  const QString v = value(params);
39  const QString o = trimBefore() ? params.value(d->otherField).trimmed() : params.value(d->otherField);
40 
41  if (!v.isEmpty()) {
42  if ((v == o)) {
43  result.errorMessage = validationError(c);
44  qCDebug(C_VALIDATOR, "ValidatorDifferent: Validation failed for value %s in field %s at %s::%s: the value in the %s field is not different.",
45  qPrintable(v),
46  qPrintable(field()),
47  qPrintable(c->controllerName()),
48  qPrintable(c->actionName()),
49  qPrintable(d->otherField));
50  } else {
51  result.value.setValue<QString>(v);
52  }
53  }
54 
55  return result;
56 }
57 
58 QString ValidatorDifferent::genericValidationError(Context *c, const QVariant &errorData) const
59 {
60  QString error;
61 
62  Q_D(const ValidatorDifferent);
63 
64  Q_UNUSED(errorData);
65 
66  const QString _label = label(c);
67  const QString _otherLabel = d->otherLabel ? c->translate(d->translationContext.data(), d->otherLabel) : QString();
68 
69  if (_label.isEmpty()) {
70  error = c->translate("Cutelyst::ValidatorDifferent", "Has to be different from the value in the “%1” field.").arg(!_otherLabel.isEmpty() ? _otherLabel : d->otherField);
71  } else {
72  error = c->translate("Cutelyst::ValidatorDifferent", "The value in the field “%1” has to be different from the value in the field “%2“.").arg(_label, !_otherLabel.isEmpty() ? _otherLabel : d->otherField);
73  }
74 
75  return error;
76 }
77 
QMap< QString, QString > ParamsMultiMap
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:50
~ValidatorDifferent()
Deconstructs the different validator.
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:414
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:62
ValidatorDifferent(const QString &field, const QString &other, const char *otherLabel=nullptr, const ValidatorMessages &messages=ValidatorMessages())
Constructs a new different validator.