cutelyst 3.9.1
A C++ Web Framework built on top of Qt, using the simple approach of Catalyst (Perl) framework.
validatormax.cpp
1/*
2 * SPDX-FileCopyrightText: (C) 2017-2022 Matthias Fehring <mf@huessenbergnetz.de>
3 * SPDX-License-Identifier: BSD-3-Clause
4 */
5
6#include "validatormax_p.h"
7
8using namespace Cutelyst;
9
10ValidatorMax::ValidatorMax(const QString &field,
11 QMetaType::Type type,
12 const QVariant &max,
13 const Cutelyst::ValidatorMessages &messages,
14 const QString &defValKey)
15 : ValidatorRule(*new ValidatorMaxPrivate(field, type, max, messages, defValKey))
16{
17}
18
22
23ValidatorReturnType ValidatorMax::validate(Context *c, const ParamsMultiMap &params) const
24{
25 ValidatorReturnType result;
26
27 const QString v = value(params);
28
29 if (!v.isEmpty()) {
30 Q_D(const ValidatorMax);
31 bool ok = false;
32 bool valid = false;
33
34 switch (d->type) {
35 case QMetaType::Char:
36 case QMetaType::Short:
37 case QMetaType::Int:
38 case QMetaType::Long:
39 case QMetaType::LongLong:
40 {
41 const qlonglong val = c->locale().toLongLong(v, &ok);
42 if (Q_UNLIKELY(!ok)) {
43 result.errorMessage = parsingError(c);
44 qCWarning(C_VALIDATOR,
45 "ValidatorMax: Failed to parse value of field %s into number at %s::%s.",
46 qPrintable(field()),
47 qPrintable(c->controllerName()),
48 qPrintable(c->actionName()));
49 } else {
50 const qlonglong max = d->extractLongLong(c, params, d->max, &ok);
51 if (Q_UNLIKELY(!ok)) {
52 result.errorMessage = validationDataError(c, 1);
53 qCWarning(
54 C_VALIDATOR,
55 "ValidatorMax: Invalid maximum comparison value for field %s in %s::%s.",
56 qPrintable(field()),
57 qPrintable(c->controllerName()),
58 qPrintable(c->actionName()));
59 } else {
60 if (val > max) {
61 result.errorMessage =
62 validationError(c,
63 QVariantMap{{QStringLiteral("val"), val},
64 {QStringLiteral("max"), max}});
65 qCDebug(C_VALIDATOR,
66 "ValidatorMax: Validation failed for field %s in %s::%s: %lli is "
67 "not smaller than %lli.",
68 qPrintable(field()),
69 qPrintable(c->controllerName()),
70 qPrintable(c->actionName()),
71 val,
72 max);
73 } else {
74 valid = true;
75 }
76 }
77 }
78 } break;
79 case QMetaType::UChar:
80 case QMetaType::UShort:
81 case QMetaType::UInt:
82 case QMetaType::ULong:
83 case QMetaType::ULongLong:
84 {
85 const qulonglong val = v.toULongLong(&ok);
86 if (Q_UNLIKELY(!ok)) {
87 result.errorMessage = parsingError(c);
88 qCWarning(C_VALIDATOR,
89 "ValidatorMax: Failed to parse value of field %s into number at %s::%s.",
90 qPrintable(field()),
91 qPrintable(c->controllerName()),
92 qPrintable(c->actionName()));
93 } else {
94 const qulonglong max = d->extractULongLong(c, params, d->max, &ok);
95 if (Q_UNLIKELY(!ok)) {
96 result.errorMessage = validationDataError(c, 1);
97 qCWarning(
98 C_VALIDATOR,
99 "ValidatorMax: Invalid maximum comparison value for field %s in %s::%s.",
100 qPrintable(field()),
101 qPrintable(c->controllerName()),
102 qPrintable(c->actionName()));
103 } else {
104 if (val > max) {
105 result.errorMessage =
106 validationError(c,
107 QVariantMap{{QStringLiteral("val"), val},
108 {QStringLiteral("max"), max}});
109 qCDebug(C_VALIDATOR,
110 "ValidatorMax: Validation failed for field %s in %s::%s: %llu is "
111 "not smaller than %llu.",
112 qPrintable(field()),
113 qPrintable(c->controllerName()),
114 qPrintable(c->actionName()),
115 val,
116 max);
117 } else {
118 valid = true;
119 }
120 }
121 }
122 } break;
123 case QMetaType::Float:
124 case QMetaType::Double:
125 {
126 const double val = v.toDouble(&ok);
127 if (Q_UNLIKELY(!ok)) {
128 result.errorMessage = parsingError(c);
129 qCWarning(C_VALIDATOR,
130 "ValidatorMax: Failed to parse value of field %s into number at %s::%s.",
131 qPrintable(field()),
132 qPrintable(c->controllerName()),
133 qPrintable(c->actionName()));
134 } else {
135 const double max = d->extractDouble(c, params, d->max, &ok);
136 if (Q_UNLIKELY(!ok)) {
137 result.errorMessage = validationDataError(c, 1);
138 qCWarning(
139 C_VALIDATOR,
140 "ValidatorMax: Invalid maximum comparison value for field %s in %s::%s.",
141 qPrintable(field()),
142 qPrintable(c->controllerName()),
143 qPrintable(c->actionName()));
144 } else {
145 if (val > max) {
146 result.errorMessage =
147 validationError(c,
148 QVariantMap{{QStringLiteral("val"), val},
149 {QStringLiteral("max"), max}});
150 qCDebug(C_VALIDATOR,
151 "ValidatorMax: Validation failed for field %s in %s::%s: %f is not "
152 "smaller than %f.",
153 qPrintable(field()),
154 qPrintable(c->controllerName()),
155 qPrintable(c->actionName()),
156 val,
157 max);
158 } else {
159 valid = true;
160 }
161 }
162 }
163 } break;
164 case QMetaType::QString:
165 {
166 const qlonglong val = static_cast<qlonglong>(v.length());
167 const qlonglong max = d->extractLongLong(c, params, d->max, &ok);
168 if (Q_UNLIKELY(!ok)) {
169 result.errorMessage = validationDataError(c, 1);
170 qCWarning(C_VALIDATOR,
171 "ValidatorMax: Invalid maximum comparison value for field %s in %s::%s.",
172 qPrintable(field()),
173 qPrintable(c->controllerName()),
174 qPrintable(c->actionName()));
175 } else {
176 if (val > max) {
177 result.errorMessage = validationError(
178 c, QVariantMap{{QStringLiteral("val"), val}, {QStringLiteral("max"), max}});
179 qCDebug(C_VALIDATOR,
180 "ValidatorMax: Validation failed for field %s in %s::%s: string length "
181 "%lli is not smaller than %lli.",
182 qPrintable(field()),
183 qPrintable(c->controllerName()),
184 qPrintable(c->actionName()),
185 val,
186 max);
187 } else {
188 valid = true;
189 }
190 }
191 } break;
192 default:
193 qCWarning(C_VALIDATOR,
194 "ValidatorMax: The comparison type with ID %i for field %s at %s::%s is not "
195 "supported.",
196 static_cast<int>(d->type),
197 qPrintable(field()),
198 qPrintable(c->controllerName()),
199 qPrintable(c->actionName()));
200 result.errorMessage = validationDataError(c, 0);
201 break;
202 }
203
204 if (valid) {
205 if (d->type != QMetaType::QString) {
206 const QVariant _v = d->valueToNumber(c, v, d->type);
207 if (_v.isValid()) {
208 result.value = _v;
209 } else {
210 result.errorMessage = parsingError(c);
211 }
212 } else {
213 result.value.setValue(v);
214 }
215 }
216 } else {
217 defaultValue(c, &result, "ValidatorMax");
218 }
219
220 return result;
221}
222
223QString ValidatorMax::genericValidationError(Cutelyst::Context *c, const QVariant &errorData) const
224{
225 QString error;
226
227 Q_D(const ValidatorMax);
228
229 const QVariantMap map = errorData.toMap();
230 QString max;
231 switch (d->type) {
232 case QMetaType::Char:
233 case QMetaType::Short:
234 case QMetaType::Int:
235 case QMetaType::Long:
236 case QMetaType::LongLong:
237 case QMetaType::QString:
238 max = c->locale().toString(map.value(QStringLiteral("max")).toLongLong());
239 break;
240 case QMetaType::UChar:
241 case QMetaType::UShort:
242 case QMetaType::UInt:
243 case QMetaType::ULong:
244 case QMetaType::ULongLong:
245 max = c->locale().toString(map.value(QStringLiteral("max")).toULongLong());
246 break;
247 case QMetaType::Float:
248 case QMetaType::Double:
249 max = c->locale().toString(map.value(QStringLiteral("max")).toDouble());
250 break;
251 default:
252 error = validationDataError(c);
253 return error;
254 }
255
256 const QString _label = label(c);
257
258 if (_label.isEmpty()) {
259 if (d->type == QMetaType::QString) {
260 error = c->translate("Cutelyst::ValidatorMax",
261 "The text must be shorter than %1 characters.")
262 .arg(max);
263 } else {
264 error =
265 c->translate("Cutelyst::ValidatorMax", "The value must be lower than %1.").arg(max);
266 }
267 } else {
268 if (d->type == QMetaType::QString) {
269 error = c->translate("Cutelyst::ValidatorMax",
270 "The text in the “%1“ field must be shorter than %2 characters.")
271 .arg(_label, max);
272 } else {
273 error = c->translate("Cutelyst::ValidatorMax",
274 "The value in the “%1” field must be lower than %2.")
275 .arg(_label, max);
276 }
277 }
278
279 return error;
280}
281
282QString ValidatorMax::genericValidationDataError(Context *c, const QVariant &errorData) const
283{
284 QString error;
285
286 int field = errorData.toInt();
287 const QString _label = label(c);
288
289 if (field == 0) {
290 Q_D(const ValidatorMax);
291 if (_label.isEmpty()) {
292 error = c->translate("Cutelyst::ValidatorMax",
293 "The comparison type with ID %1 is not supported.")
294 .arg(static_cast<int>(d->type));
295 } else {
296 error =
297 c->translate("Cutelyst::ValidatorMax",
298 "The comparison type with ID %1 for the “%2” field is not supported.")
299 .arg(QString::number(static_cast<int>(d->type)), _label);
300 }
301 } else if (field == 1) {
302 if (_label.isEmpty()) {
303 error = c->translate("Cutelyst::ValidatorMax",
304 "The maximum comparison value is not valid.");
305 } else {
306 error = c->translate("Cutelyst::ValidatorMax",
307 "The maximum comparison value for the “%1” field is not valid.")
308 .arg(_label);
309 }
310 }
311
312 return error;
313}
314
315QString ValidatorMax::genericParsingError(Context *c, const QVariant &errorData) const
316{
317 QString error;
318 Q_UNUSED(errorData)
319 Q_D(const ValidatorMax);
320
321 const QString _label = label(c);
322 if ((d->type == QMetaType::Float) || (d->type == QMetaType::Double)) {
323 if (_label.isEmpty()) {
324 error = c->translate("Cutelyst::ValidatorMax",
325 "Failed to parse the input value into a floating point number.");
326 } else {
327 error = c->translate("Cutelyst::ValidatorMax",
328 "Failed to parse the input value for the “%1” field into a "
329 "floating point number.")
330 .arg(_label);
331 }
332 } else {
333 if (_label.isEmpty()) {
334 error = c->translate("Cutelyst::ValidatorMax",
335 "Failed to parse the input value into an integer number.");
336 } else {
337 error =
338 c->translate(
339 "Cutelyst::ValidatorMax",
340 "Failed to parse the input value for the “%1” field into an integer number.")
341 .arg(_label);
342 }
343 }
344
345 return error;
346}
Cutelyst::Context
The Cutelyst Context.
Definition context.h:39
Cutelyst::Context::locale
QLocale locale() const noexcept
Definition context.cpp:466
Cutelyst::Context::translate
QString translate(const char *context, const char *sourceText, const char *disambiguation=nullptr, int n=-1) const
Definition context.cpp:490
Cutelyst::ValidatorMax::~ValidatorMax
~ValidatorMax() override
Deconstructs the max validator.
Definition validatormax.cpp:19
Cutelyst::ValidatorMax::ValidatorMax
ValidatorMax(const QString &field, QMetaType::Type type, const QVariant &max, const ValidatorMessages &messages=ValidatorMessages(), const QString &defValKey=QString())
Constructs a new max validator.
Definition validatormax.cpp:10
Cutelyst::ValidatorMax::genericValidationDataError
QString genericValidationDataError(Context *c, const QVariant &errorData) const override
Returns a generic error message for validation data errors.
Definition validatormax.cpp:282
Cutelyst::ValidatorMax::genericValidationError
QString genericValidationError(Context *c, const QVariant &errorData=QVariant()) const override
Returns a generic error message.
Definition validatormax.cpp:223
Cutelyst::ValidatorMax::validate
ValidatorReturnType validate(Context *c, const ParamsMultiMap &params) const override
Performs the validation and returns the result.
Definition validatormax.cpp:23
Cutelyst::ValidatorMax::genericParsingError
QString genericParsingError(Context *c, const QVariant &errorData) const override
Returns a generic error message for input value parsing errors.
Definition validatormax.cpp:315
Cutelyst::ValidatorRule::label
QString label(Context *c) const
Returns the human readable field label used for generic error messages.
Definition validatorrule.cpp:52
Cutelyst::ValidatorRule::field
QString field() const
Returns the name of the field to validate.
Definition validatorrule.cpp:29
Cutelyst::ValidatorRule::parsingError
QString parsingError(Context *c, const QVariant &errorData=QVariant()) const
Returns an error message if an error occurred while parsing input.
Definition validatorrule.cpp:98
Cutelyst::ValidatorRule::defaultValue
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 ...
Definition validatorrule.cpp:162
Cutelyst::ValidatorRule::ValidatorRule
ValidatorRule(const QString &field, const ValidatorMessages &messages=ValidatorMessages(), const QString &defValKey=QString())
Constructs a new ValidatorRule with the given parameters.
Definition validatorrule.cpp:13
Cutelyst::ValidatorRule::value
QString value(const ParamsMultiMap &params) const
Returns the value of the field from the input params.
Definition validatorrule.cpp:35
Cutelyst::ValidatorRule::validationDataError
QString validationDataError(Context *c, const QVariant &errorData=QVariant()) const
Returns an error message if any validation data is missing or invalid.
Definition validatorrule.cpp:130
Cutelyst::ValidatorRule::validationError
QString validationError(Context *c, const QVariant &errorData=QVariant()) const
Returns a descriptive error message if validation failed.
Definition validatorrule.cpp:66
Cutelyst
The Cutelyst namespace holds all public Cutelyst API.
Definition Mainpage.dox:8
Cutelyst::ParamsMultiMap
QMultiMap< QString, QString > ParamsMultiMap
Definition paramsmultimap.h:23
QLocale::toLongLong
qlonglong toLongLong(QStringView s, bool *ok) const const
QLocale::toString
QString toString(QDate date, QLocale::FormatType format) const const
QString::arg
QString arg(Args &&... args) const const
QString::isEmpty
bool isEmpty() const const
QString::length
qsizetype length() const const
QString::number
QString number(double n, char format, int precision)
QString::toDouble
double toDouble(bool *ok) const const
QString::toULongLong
qulonglong toULongLong(bool *ok, int base) const const
QVariant::isValid
bool isValid() const const
QVariant::setValue
void setValue(QVariant &&value)
QVariant::toInt
int toInt(bool *ok) const const
QVariant::toMap
QMap< QString, QVariant > toMap() const const
Cutelyst::ValidatorMessages
Stores custom error messages and the input field label.
Definition validatorrule.h:135
Cutelyst::ValidatorReturnType
Contains the result of a single input parameter validation.
Definition validatorrule.h:49