cutelyst  3.9.1
A C++ Web Framework built on top of Qt, using the simple approach of Catalyst (Perl) framework.
validatorpresent.cpp
1 /*
2  * SPDX-FileCopyrightText: (C) 2017-2022 Matthias Fehring <mf@huessenbergnetz.de>
3  * SPDX-License-Identifier: BSD-3-Clause
4  */
5 
6 #include "validatorpresent_p.h"
7 
8 using namespace Cutelyst;
9 
11  const Cutelyst::ValidatorMessages &messages)
12  : ValidatorRule(*new ValidatorPresentPrivate(field, messages))
13 {
14 }
15 
17 {
18 }
19 
21 {
22  ValidatorReturnType result;
23 
24  if (!params.contains(field())) {
25  result.errorMessage = validationError(c);
26  qCDebug(C_VALIDATOR,
27  "ValidatorPresent: Validation failed for field %s at %s::%s: field was not found "
28  "in the input data",
29  qPrintable(field()),
30  qPrintable(c->controllerName()),
31  qPrintable(c->actionName()));
32  } else {
33  result.value.setValue<QString>(value(params));
34  }
35 
36  return result;
37 }
38 
40 {
41  QString error;
42  Q_UNUSED(errorData)
43  const QString _label = label(c);
44  if (_label.isEmpty()) {
45  error = c->translate("Cutelyst::ValidatorPresent", "Has to be present in input data.");
46  } else {
47  //: %1 will be replaced by the field label
48  error = c->translate("Cutelyst::ValidatorPresent",
49  "The “%1” field was not found in the input data.")
50  .arg(_label);
51  }
52  return error;
53 }
~ValidatorPresent() override
Deconstructs the present validator.
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.
The Cutelyst Context.
Definition: context.h:38
bool isEmpty() const const
QString translate(const char *context, const char *sourceText, const char *disambiguation=nullptr, int n=-1) const
Definition: context.cpp:490
ValidatorPresent(const QString &field, const ValidatorMessages &messages=ValidatorMessages())
Constructs a new present validator.
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.
bool contains(const Key &key) const const
ValidatorReturnType validate(Context *c, const ParamsMultiMap &params) const override
Performs the validation and returns the result.
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 genericValidationError(Context *c, const QVariant &errorData=QVariant()) const override
Returns a generic error message if validation failed.
QString arg(Args &&... args) const const
void setValue(QVariant &&value)