/**
* Display prevalence rates chart
*
* @return Response
*/
public static function getPrevalenceRatesChart($testTypeID = 0)
{
$from = Input::get('start');
$to = Input::get('end');
$months = json_decode(self::getMonths($from, $to));
$testTypes = new Illuminate\Database\Eloquent\Collection();
if ($testTypeID == 0) {
$testTypes = TestType::supportPrevalenceCounts();
} else {
$testTypes->add(TestType::find($testTypeID));
}
$options = '{
"chart": {
"type": "spline"
},
"title": {
"text":"' . trans('messages.prevalence-rates') . '"
},
"subtitle": {
"text":';
if ($from == $to) {
$options .= '"' . trans('messages.for-the-year') . ' ' . date('Y') . '"';
} else {
$options .= '"' . trans('messages.from') . ' ' . $from . ' ' . trans('messages.to') . ' ' . $to . '"';
}
$options .= '},
"credits": {
"enabled": false
},
"navigation": {
"buttonOptions": {
"align": "right"
}
},
"series": [';
$counts = count($testTypes);
foreach ($testTypes as $testType) {
$options .= '{
"name": "' . $testType->name . '","data": [';
$counter = count($months);
foreach ($months as $month) {
$data = $testType->getPrevalenceCount($month->annum, $month->months);
if ($data->isEmpty()) {
$options .= '0.00';
if ($counter == 1) {
$options .= '';
} else {
$options .= ',';
}
} else {
foreach ($data as $datum) {
$options .= $datum->rate;
if ($counter == 1) {
$options .= '';
} else {
$options .= ',';
}
}
}
$counter--;
}
$options .= ']';
if ($counts == 1) {
$options .= '}';
} else {
$options .= '},';
}
$counts--;
}
$options .= '],
"xAxis": {
"categories": [';
$count = count($months);
foreach ($months as $month) {
$options .= '"' . $month->label . " " . $month->annum;
if ($count == 1) {
$options .= '" ';
} else {
$options .= '" ,';
}
$count--;
}
$options .= ']
},
"yAxis": {
"title": {
"text": "' . trans('messages.prevalence-rates-label') . '"
},
"min": "0",
"max": "100"
}
}';
return $options;
}