/*
Copyright (C) 2012, University of Cambridge, Department of Psychiatry.
Created by Rudolf Cardinal (rnc1001@cam.ac.uk).
This file is part of CamCOPS.
CamCOPS is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
CamCOPS is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with CamCOPS. If not, see <https://www.gnu.org/licenses/>.
*/
// By Joe Kearney, Rudolf Cardinal.
#include "cesd.h"
#include "core/camcopsapp.h"
#include "lib/version.h"
#include "lib/stringfunc.h"
#include "lib/uifunc.h"
#include "maths/mathfunc.h"
#include "questionnairelib/questionnaire.h"
#include "questionnairelib/qumcqgrid.h"
#include "questionnairelib/qutext.h"
#include "tasklib/taskfactory.h"
#include "tasklib/taskregistrar.h"
using mathfunc::countNull;
using mathfunc::noneNull;
using mathfunc::sumInt;
using mathfunc::totalScorePhrase;
using stringfunc::standardResult;
using stringfunc::strnum;
using stringfunc::strseq;
const int FIRST_Q = 1;
const int N_QUESTIONS = 20;
const int MAX_QUESTION_SCORE = 60;
const int DEPRESSION_RISK_THRESHOLD = 16;
const QVector<int> REVERSE_SCORED_QUESTIONS{4, 8, 12, 16};
const QString QPREFIX("q");
const QString Cesd::CESD_TABLENAME("cesd");
void initializeCesd(TaskFactory& factory)
{
static TaskRegistrar<Cesd> registered(factory);
}
Cesd::Cesd(CamcopsApp& app, DatabaseManager& db, const int load_pk) :
Task(app, db, CESD_TABLENAME, false, false, false),
m_questionnaire(nullptr)
{
addFields(strseq(QPREFIX, FIRST_Q, N_QUESTIONS), QMetaType::fromType<int>());
load(load_pk); // MUST ALWAYS CALL from derived Task constructor.
}
// ============================================================================
// Class info
// ============================================================================
QString Cesd::shortname() const
{
return "CESD";
}
QString Cesd::longname() const
{
return tr("Center for Epidemiologic Studies Depression Scale");
}
QString Cesd::description() const
{
return tr("20-item self-report depression scale.");
}
Version Cesd::minimumServerVersion() const
{
return Version(2, 2, 8);
}
// ============================================================================
// Instance info
// ============================================================================
bool Cesd::isComplete() const
{
return noneNull(values(strseq(QPREFIX, FIRST_Q, N_QUESTIONS)));
}
QStringList Cesd::summary() const
{
return QStringList{
totalScorePhrase(totalScore(), MAX_QUESTION_SCORE),
standardResult(xstring("depression_or_risk_of"),
uifunc::yesNoUnknown(hasDepressionRisk()))
};
}
QStringList Cesd::detail() const
{
QStringList lines = completenessInfo();
lines += summary();
return lines;
}
OpenableWidget* Cesd::editor(const bool read_only)
{
const NameValueOptions options{
{xstring("a0"), 0},
{xstring("a1"), 1},
{xstring("a2"), 2},
{xstring("a3"), 3}
};
const int question_width = 40;
const QVector<int> option_widths{15, 15, 15, 15};
QuPagePtr page((new QuPage{
new QuText(xstring("instruction"))
})->setTitle(xstring("title")));
QVector<QuestionWithOneField> question_field_pairs;
for (int q = FIRST_Q; q <= N_QUESTIONS; ++q) {
const QString field_and_q_name = stringfunc::strnum("q", q);
question_field_pairs.append(
QuestionWithOneField(xstring(field_and_q_name),
fieldRef(field_and_q_name))
);
}
page->addElement(
(new QuMcqGrid(question_field_pairs, options))
->setTitle(xstring("stem"))
->setWidth(question_width, option_widths)
->setExpand(true)
->setQuestionsBold(false)
);
auto questionnaire = new Questionnaire(m_app, {page});
questionnaire->setType(QuPage::PageType::Patient);
questionnaire->setReadOnly(read_only);
return questionnaire;
}
// ============================================================================
// Task-specific calculations
// ============================================================================
int Cesd::totalScore() const
{
// Need to store values as per original then flip here
int total = 0;
for (int q = FIRST_Q; q <= N_QUESTIONS; ++q) {
QVariant v = value(stringfunc::strnum("q", q));
if (v.isNull()) {
continue;
}
const int score = v.toInt();
if (REVERSE_SCORED_QUESTIONS.contains(q)) {
total += 3 - score;
} else {
total += score;
}
}
return total;
}
QVariant Cesd::hasDepressionRisk() const
{
return totalScore() >= DEPRESSION_RISK_THRESHOLD;
}
int Cesd::numNull(const int first, const int last) const
{
return countNull(values(strseq(QPREFIX, first, last)));
}