cutelyst  3.9.0
A C++ Web Framework built on top of Qt, using the simple approach of Catalyst (Perl) framework.
validatorin.cpp
1 /*
2  * SPDX-FileCopyrightText: (C) 2017-2022 Matthias Fehring <mf@huessenbergnetz.de>
3  * SPDX-License-Identifier: BSD-3-Clause
4  */
5 
6 #include "validatorin_p.h"
7 
8 using namespace Cutelyst;
9 
11  const QVariant &values,
13  const Cutelyst::ValidatorMessages &messages,
14  const QString &defValKey)
15  : ValidatorRule(*new ValidatorInPrivate(field, values, cs, messages, defValKey))
16 {
17 }
18 
20 {
21 }
22 
24 {
25  ValidatorReturnType result;
26 
27  Q_D(const ValidatorIn);
28 
29  const QString v = value(params);
30  if (!v.isEmpty()) {
31  QStringList vals;
32 
33  if (d->values.userType() == QMetaType::QStringList) {
34  vals = d->values.toStringList();
35  } else if (d->values.userType() == QMetaType::QString) {
36  vals = c->stash(d->values.toString()).toStringList();
37  }
38 
39  if (vals.empty()) {
40  qCWarning(
41  C_VALIDATOR,
42  "ValidatorIn: The list of comparison values for the field %s at %s::%s is empty.",
43  qPrintable(field()),
44  qPrintable(c->controllerName()),
45  qPrintable(c->actionName()));
47  } else {
48  if (vals.contains(v, d->cs)) {
49  result.value.setValue(v);
50  } else {
51  qCDebug(C_VALIDATOR,
52  "ValidatorIn: Validation failed for field %s at %s::%s: \"%s\" is not part "
53  "of the list of comparison values.",
54  qPrintable(field()),
55  qPrintable(c->controllerName()),
56  qPrintable(c->actionName()),
57  qPrintable(v));
58  result.errorMessage = validationError(c, vals);
59  }
60  }
61  } else {
62  defaultValue(c, &result, "ValidatorIn");
63  }
64 
65  return result;
66 }
67 
69 {
70  QString error;
71  const QStringList vals = errorData.toStringList();
72  const QString _label = label(c);
73  if (_label.isEmpty()) {
74  //: %1 will be replaced by a comma separated list of allowed values
75  error = c->translate("Cutelyst::ValidatorIn", "Has to be one of the following values: %1")
76  .arg(c->locale().createSeparatedList(vals));
77  } else {
78  //: %1 will be replaced by the field label, %2 will be replaced by a comma separated list of
79  //: allowed values
80  error =
81  c->translate("Cutelyst::ValidatorIn",
82  "The value in the “%1” field has to be one of the following values: %2")
83  .arg(_label, c->locale().createSeparatedList(vals));
84  }
85  return error;
86 }
87 
89 {
90  QString error;
91  Q_UNUSED(errorData)
92  const QString _label = label(c);
93  if (_label.isEmpty()) {
94  error = c->translate("Cutelyst::ValidatorIn", "The list of comparison values is empty.");
95  } else {
96  //: %1 will be replaced by the field label
97  error = c->translate("Cutelyst::ValidatorIn",
98  "The list of comparison values for the “%1” field is empty.")
99  .arg(_label);
100  }
101  return error;
102 }
The Cutelyst Context.
Definition: context.h:39
void stash(const QVariantHash &unite)
Definition: context.cpp:560
QLocale locale() const noexcept
Definition: context.cpp:460
QString translate(const char *context, const char *sourceText, const char *disambiguation=nullptr, int n=-1) const
Definition: context.cpp:484
Checks if the field value is one from a list of values.
Definition: validatorin.h:35
ValidatorReturnType validate(Context *c, const ParamsMultiMap &params) const override
Performs the validation and returns the result.
Definition: validatorin.cpp:23
~ValidatorIn() override
Deconstructs the in validator.
Definition: validatorin.cpp:19
ValidatorIn(const QString &field, const QVariant &values, Qt::CaseSensitivity cs=Qt::CaseSensitive, const ValidatorMessages &messages=ValidatorMessages(), const QString &defValKey=QString())
Constructs a new in validator.
Definition: validatorin.cpp:10
QString genericValidationDataError(Context *c, const QVariant &errorData) const override
Returns a generic error messages if the list of comparison values is empty.
Definition: validatorin.cpp:88
QString genericValidationError(Context *c, const QVariant &errorData=QVariant()) const override
Returns a generic error message if validation failed.
Definition: validatorin.cpp:68
Base class for all validator rules.
QString label(Context *c) const
Returns the human readable field label used for generic error messages.
QString field() const
Returns the name of the field to validate.
void defaultValue(Context *c, ValidatorReturnType *result, const char *validatorName) const
I a defValKey has been set in the constructor, this will try to get the default value from the stash ...
QString value(const ParamsMultiMap &params) const
Returns the value of the field from the input params.
QString validationDataError(Context *c, const QVariant &errorData=QVariant()) const
Returns an error message if any validation data is missing or invalid.
QString validationError(Context *c, const QVariant &errorData=QVariant()) const
Returns a descriptive error message if validation failed.
The Cutelyst namespace holds all public Cutelyst API.
Definition: Mainpage.dox:8
bool empty() const const
QString createSeparatedList(const QStringList &list) const const
QString arg(qlonglong a, int fieldWidth, int base, QChar fillChar) const const
bool isEmpty() const const
bool contains(const QString &str, Qt::CaseSensitivity cs) const const
CaseSensitivity
void setValue(const T &value)
QStringList toStringList() const const
Stores custom error messages and the input field label.
Contains the result of a single input parameter validation.
Definition: validatorrule.h:49