cutelyst  4.5.1
A C++ Web Framework built on top of Qt, using the simple approach of Catalyst (Perl) framework.
validatorrequiredunlessstash.cpp
1 /*
2  * SPDX-FileCopyrightText: (C) 2018-2023 Matthias Fehring <mf@huessenbergnetz.de>
3  * SPDX-License-Identifier: BSD-3-Clause
4  */
5 
6 #include "validatorrequiredunlessstash_p.h"
7 
8 using namespace Cutelyst;
9 
11  const QString &stashKey,
12  const QVariant &stashValues,
13  const ValidatorMessages &messages)
14  : ValidatorRule(
15  *new ValidatorRequiredUnlessStashPrivate(field, stashKey, stashValues, messages))
16 {
17 }
18 
20 
22  const ParamsMultiMap &params) const
23 {
24  ValidatorReturnType result;
25 
27 
28  if (d->stashKey.isEmpty() || d->stashValues.isNull() || !d->stashValues.isValid()) {
30  qCWarning(C_VALIDATOR).noquote() << debugString(c) << "Invalid validation data";
31  return result;
32  }
33 
34  const QString v = value(params);
35  const QVariant sv = c->stash(d->stashKey);
36  bool isRequired = false;
37 
38  if (d->stashValues.typeId() == QMetaType::QString) {
39 
40  const QVariant _stashValues = c->stash(d->stashValues.toString());
41 
42  if (_stashValues.typeId() == QMetaType::QStringList) {
43 
44  const auto str = sv.toString();
45  const auto strLst = _stashValues.toStringList();
46  isRequired = !strLst.contains(str);
47 
48  } else if (_stashValues.typeId() == QMetaType::QVariantList) {
49 
50  const auto varLst = _stashValues.toList();
51  isRequired = !varLst.contains(sv);
52 
53  } else {
55  qCWarning(C_VALIDATOR).noquote().nospace()
56  << debugString(c) << "Invalid validation data. The stash key \""
57  << d->stashValues.toString()
58  << "\" does not contain a QStringList or a QVariantList.";
59  return result;
60  }
61 
62  } else if (d->stashValues.typeId() == QMetaType::QStringList) {
63 
64  const auto str = sv.toString();
65  const auto strLst = d->stashValues.toStringList();
66  isRequired = !strLst.contains(str);
67 
68  } else if (d->stashValues.typeId() == QMetaType::QVariantList) {
69 
70  const auto varList = d->stashValues.toList();
71  isRequired = !varList.contains(sv);
72 
73  } else {
75  qCWarning(C_VALIDATOR).noquote() << debugString(c)
76  << "Invalid validation data. "
77  "stashValues has to be one of QString, "
78  "QStringList or QVariantList.";
79  return result;
80  }
81 
82  if (isRequired && v.isEmpty()) {
83  result.errorMessage = validationError(c);
84  qCDebug(C_VALIDATOR).noquote().nospace()
85  << debugString(c) << " The field is not present or empty but stash key \""
86  << d->stashKey << "\" does not contain " << sv;
87  return result;
88  }
89 
90  if (!v.isEmpty()) {
91  result.value.setValue(v);
92  }
93 
94  return result;
95 }
96 
98  const QVariant &errorData) const
99 {
100  // translation strings are defined in ValidatorRequired
101  Q_UNUSED(errorData)
102  const QString _label = label(c);
103  if (_label.isEmpty()) {
104  return c->qtTrId("cutelyst-validator-genvalerr-req");
105  } else {
106  return c->qtTrId("cutelyst-validator-genvalerr-req-label").arg(_label);
107  }
108 }
The Cutelyst Context.
Definition: context.h:42
void stash(const QVariantHash &unite)
Definition: context.cpp:562
QString qtTrId(const char *id, int n=-1) const
Definition: context.h:656
The field under validation must be present and not empty unless the content of a stash key is equal t...
ValidatorRequiredUnlessStash(const QString &field, const QString &stashKey, const QVariant &stashValues, const ValidatorMessages &messages=ValidatorMessages())
QString genericValidationError(Context *c, const QVariant &errorData=QVariant()) const override
ValidatorReturnType validate(Context *c, const ParamsMultiMap &params) const override
Base class for all validator rules.
QString validationError(Context *c, const QVariant &errorData={}) const
QString label(Context *c) const
QString validationDataError(Context *c, const QVariant &errorData={}) const
QString value(const ParamsMultiMap &params) const
QString debugString(Context *c) const
The Cutelyst namespace holds all public Cutelyst API.
QString arg(Args &&... args) const const
bool contains(QChar ch, Qt::CaseSensitivity cs) const const
bool isEmpty() const const
bool contains(QLatin1StringView str, Qt::CaseSensitivity cs) const const
void setValue(QVariant &&value)
QList< QVariant > toList() const const
QString toString() const const
QStringList toStringList() const const
int typeId() const const
Stores custom error messages and the input field label.
Contains the result of a single input parameter validation.
Definition: validatorrule.h:49