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evidencefilter.cpp
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evidencefilter.cpp
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#include "evidencefilter.h"
QString EvidenceFilters::standardizeFilterKey(QString key) {
if (FILTER_KEYS_ERROR.contains(key, Qt::CaseInsensitive)) {
return FILTER_KEY_ERROR;
}
if (FILTER_KEYS_SUBMITTED.contains(key, Qt::CaseInsensitive)) {
return FILTER_KEY_SUBMITTED;
}
if (FILTER_KEYS_TO.contains(key, Qt::CaseInsensitive)) {
return FILTER_KEY_TO;
}
if (FILTER_KEYS_FROM.contains(key, Qt::CaseInsensitive)) {
return FILTER_KEY_FROM;
}
if (FILTER_KEYS_ON.contains(key, Qt::CaseInsensitive)) {
return FILTER_KEY_ON;
}
if (FILTER_KEYS_OPERATION.contains(key, Qt::CaseInsensitive)) {
return FILTER_KEY_OPERATION;
}
if (FILTER_KEYS_CONTENT_TYPE.contains(key, Qt::CaseInsensitive)) {
return FILTER_KEY_CONTENT_TYPE;
}
return key;
}
QString EvidenceFilters::toString() const {
// helper functions
static auto toCommonDate = [](QDate d) -> QString {
auto today = QDateTime::currentDateTime().date();
if (d == today) {
return QT_TRANSLATE_NOOP("EvidenceFilter", "Today");
}
if (d == today.addDays(-1)) {
return QT_TRANSLATE_NOOP("EvidenceFilter", "Yesterday");
}
return d.toString(QStringLiteral("yyyy-MM-dd"));
};
static auto triToText = [](Tri t) -> QString {
return t == Yes
? QT_TRANSLATE_NOOP("EvidenceFilter", "yes")
: QT_TRANSLATE_NOOP("EvidenceFilter", "no");
};
QString rtn;
auto appendTemp = QStringLiteral(" %1: %2");
if (!operationSlug.isEmpty()) {
rtn.append(appendTemp.arg(FILTER_KEY_OPERATION, operationSlug));
}
if (!contentType.isEmpty()) {
rtn.append(appendTemp.arg(FILTER_KEY_CONTENT_TYPE, contentType));
}
if (hasError != Any) {
rtn.append(appendTemp.arg(FILTER_KEY_ERROR, triToText(hasError)));
}
if (startDate.isValid() || endDate.isValid()) {
if (startDate == endDate) {
rtn.append(appendTemp.arg(FILTER_KEY_ON, toCommonDate(startDate)));
}
else {
if (startDate.isValid()) {
rtn.append(appendTemp.arg(FILTER_KEY_FROM, toCommonDate(startDate)));
}
if (endDate.isValid()) {
rtn.append(appendTemp.arg(FILTER_KEY_TO, toCommonDate(endDate)));
}
}
}
if (submitted != Any) {
rtn.append(appendTemp.arg(FILTER_KEY_SUBMITTED, triToText(submitted)));
}
return rtn.trimmed();
}
EvidenceFilters EvidenceFilters::parseFilter(const QString& text) {
EvidenceFilters filter;
if (text.trimmed().isEmpty()) {
return filter;
}
auto tokenizedFilter = tokenizeFilterText(text);
for (const auto& item : tokenizedFilter) {
QString key = EvidenceFilters::standardizeFilterKey(item.first.toLower().trimmed());
QString value = item.second.trimmed();
if (key == FILTER_KEY_ERROR) {
auto val = value.toLower();
filter.hasError = parseTriFilterValue(val);
}
else if (key == FILTER_KEY_SUBMITTED) {
auto val = value.toLower();
filter.submitted = parseTriFilterValue(val);
}
else if (key == FILTER_KEY_OPERATION) {
filter.operationSlug = value;
}
else if (key == FILTER_KEY_TO) {
filter.endDate = parseDateString(value);
}
else if (key == FILTER_KEY_FROM) {
filter.startDate = parseDateString(value);
}
else if (key == FILTER_KEY_ON) {
auto formattedValue = parseDateString(value);
filter.startDate = formattedValue;
filter.endDate = formattedValue;
}
else if (key == FILTER_KEY_CONTENT_TYPE) {
filter.contentType = value;
}
}
return filter;
}
// parseTriFilterValue returns a Tri object given a string. If the given string is "t" or "y"
// then Tri::Yes will be returned. Otherwise, in non-strict mode, Tri::No will be returned.
// In strict mode, Tri::No will be returned only if it starts with "f" or "n", otherwise Tri::Any
// is returned.
Tri EvidenceFilters::parseTriFilterValue(const QString& text, bool strict) {
auto val = text.toLower().trimmed();
if (val.startsWith(QStringLiteral("t")) || val.startsWith(QStringLiteral("y"))) {
return Tri::Yes;
}
if (strict) {
return (val.startsWith(QStringLiteral("f")) || val.startsWith(QStringLiteral("n"))) ? Tri::No : Tri::Any;
}
return Tri::No;
}
QList<QPair<QString, QString>> EvidenceFilters::tokenizeFilterText(const QString& text) {
QStringList list = text.split(QStringLiteral(":"), Qt::SkipEmptyParts);
// now in: [Key][value key]...[value] format
QStringList keys;
QStringList values;
keys.append(list.first());
for (int i = 1; i < list.size() - 1; i++) {
auto valueKeyPair = list.at(i).split(QStringLiteral(" "), Qt::SkipEmptyParts);
keys.append(valueKeyPair.last());
valueKeyPair.removeLast();
values.append(valueKeyPair.join(QStringLiteral(" ")));
}
values.append(list.last());
QList<QPair<QString, QString>> rtn;
for (int i = 0; i < keys.length(); i++) {
auto keyvalue = QPair<QString, QString>(keys.at(i), values.at(i));
rtn.append(keyvalue);
}
return rtn;
}
QDate EvidenceFilters::parseDateString(QString text) {
static QString DATE_FORMAT = QStringLiteral("yyyy-MM-dd");
text = text.toLower();
if (text == QT_TRANSLATE_NOOP("EvidenceFilter", "today")) {
text = QDateTime::currentDateTime().toString(DATE_FORMAT);
}
else if (text == QT_TRANSLATE_NOOP("EvidenceFilter", "yesterday")) {
text = QDateTime::currentDateTime().addDays(-1).toString(DATE_FORMAT);
}
// other thoughts: this week (hard -- spans years), this month, this year, last ${period}
return QDate::fromString(text, DATE_FORMAT);
}
// parseTri returns Tri::Yes if the given text is exactly "Yes", Tri::No if the text is exactly "No"
// otherwise Tri::Any.
// This is the inverse of triToString
Tri EvidenceFilters::parseTri(const QString& text) {
if (text == QT_TRANSLATE_NOOP("EvidenceFilter", "Yes")) {
return Yes;
}
if (text == QT_TRANSLATE_NOOP("EvidenceFilter", "No")) {
return No;
}
return Any;
}
// triToString returns "Yes" for Tri::Yes, "No" for Tri::No, otherwise "Any"
// This is the inverse to parseTri
QString EvidenceFilters::triToString(const Tri& tri) {
switch (tri) {
case Yes:
return QT_TRANSLATE_NOOP("EvidenceFilter", "Yes");
case No:
return QT_TRANSLATE_NOOP("EvidenceFilter", "No");
default:
return QT_TRANSLATE_NOOP("EvidenceFilter", "Any");
}
}