Revision c6a0f442
Von Christian Ehringfeld vor mehr als 7 Jahren hinzugefügt
| samples/simple/ratingmarksystem.cpp | ||
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#include "ratingmarksystem.h"
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#include "ratingmarkincident.h"
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#include "occasion.h"
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#include <QDebug>
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#include <QtMath>
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{
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auto hash = Incident::getRelations();
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hash.insert("ratingMarkDefinitions",Relation("ratingMarkDefinitions",CuteEntityManager::RelationType::ONE_TO_MANY,QString("ratingMarkSystem")));
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return hash;
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}
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return list;
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}
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bool RatingMarkSystem::shallBeCalculated(QSharedPointer<RatingMarkIncident> inc, QSharedPointer<Occasion> occasion, bool respectRateabilityProperty) {
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if (!occasion.isNull() && (occasion != inc->occasion())) {
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return false;
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}
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if (respectRateabilityProperty && !inc->rateable()) {
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return false;
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}
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return true;
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}
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qreal RatingMarkSystem::averageSomeFloatProperty(QList<QSharedPointer<RatingMarkIncident> > list,
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QString propertyName,
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QSharedPointer<Occasion> occasion,
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int digits,
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Enums::RoundingOption rounding,
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bool respectWeight,
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bool respectRateabilityProperty)
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{
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qreal sum = 0;
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qreal weightSum = 0;
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QListIterator<QSharedPointer<RatingMarkIncident> > iter(list);
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bool ok = true;
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while (ok && iter.hasNext()) {
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QSharedPointer<RatingMarkIncident> inc = iter.next();
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qreal addValue;
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QVariant var = inc->getProperty(propertyName);
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if (var.isValid() && !var.isNull()) {
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addValue = var.toFloat(&ok);
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if (!ok) {
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qDebug()<<"RatingMarkSystem::averageSomeFloatProperty: Float conversion of "<<propertyName<<" was not successful. ";
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}
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} else {
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ok = false;
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qDebug()<<"RatingMarkSystem::averageSomeFloatProperty: "<<propertyName<<" was not found - typo?";
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}
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if (ok && this->shallBeCalculated(inc, occasion, respectRateabilityProperty)) {
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qreal weight = respectWeight ? inc->weight() : 1;
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if (weight < -Enums::EPSILON_CALCULATION) {
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ok = true;
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}
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sum += weight * addValue;
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weightSum += weight;
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}
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}
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Q_ASSERT(ok);
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return !ok? -1 : ((qAbs(weightSum) < Enums::EPSILON_CALCULATION)? -1 : this->shortenNumber(sum / weightSum, digits, rounding));
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}
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qreal RatingMarkSystem::averagePercent(const QList<QSharedPointer<RatingMarkIncident> > list,
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QSharedPointer<Occasion> occasion,
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int digits,
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Enums::RoundingOption rounding,
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bool respectWeight,
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bool respectRateabilityProperty)
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{
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return this->averageSomeFloatProperty(list,"percentValue", occasion, digits, rounding, respectWeight, respectRateabilityProperty);
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}
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qreal RatingMarkSystem::averageValueSimple(QList<QSharedPointer<RatingMarkIncident> > list,
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QSharedPointer<Occasion> occasion,
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int digits,
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Enums::RoundingOption rounding,
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bool respectWeight,
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bool respectRateabilityProperty)
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{
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return this->averageSomeFloatProperty(list,"value", occasion, digits, rounding, respectWeight, respectRateabilityProperty);
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}
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qreal RatingMarkSystem::symbolToPercent(QString symbol)
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{
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argh...