public function GET()
{
$policy = new Policy_LoggedIn($this->app);
$app = Config::get('app');
$userid = $policy->getData();
$request = $this->app->request();
if (!$userid) {
throw new Exception_Api("Unable to authenticate.");
}
$days_back = trim($request->get('days_back'));
if (!is_numeric($days_back) && $days_back != 'all' && $days_back != 'ytd') {
throw new Exception_Api('Missing or invalid days_back field.');
}
$mapper = new Mapper_Settings();
$mapper->updateSettingForUserid($userid, 'default_view', $days_back);
$settings = $mapper->getFilteredSettingsByUserid($userid);
$serverDateTimeZone = new DateTimeZone($app->default_timezone);
$userDateTimeZone = new DateTimeZone($settings['timezone']);
$serverDateTime = new DateTime("now", $serverDateTimeZone);
$userDateTime = new DateTime("now", $userDateTimeZone);
$tzDiff = $userDateTime->getOffset() - $serverDateTime->getOffset();
$tzDiff = $tzDiff / (60 * 60);
$weight_mapper = new Mapper_Weight();
$weights = $weight_mapper->getWeightsForUser($userid, $days_back);
$formatted_weights = array();
foreach ($weights as $weight) {
$formatted_weights[] = array('date' => $weight['create_time'], 'weight' => $weight['weight'], 'comment' => htmlentities($weight['comment']));
}
return array('data' => $formatted_weights, 'units' => $app->weight_units, 'tz_offset' => $tzDiff);
}
public static function getStatsForUser($userid, $days_back)
{
$weight_mapper = new Mapper_Weight();
$weights = $weight_mapper->getWeightsForUser($userid, $days_back);
if (!$weights) {
return array('avg' => 'N/A', 'min' => 'N/A', 'max' => 'N/A', 'change_weight' => 'N/A', 'change_per_day' => 'N/A', 'change_per_week' => 'N/A', 'change_per_month' => 'N/A', 'raw_change' => 0);
}
$total = 0;
$min = (double) $weights[0]['weight'];
$max = (double) $weights[0]['weight'];
foreach ($weights as $weight) {
$currWeight = (double) $weight['weight'];
$total += $currWeight;
if ($currWeight > $max) {
$max = $currWeight;
}
if ($currWeight < $min) {
$min = $currWeight;
}
}
$avg = $total / count($weights);
$changeWeight = 'N/A';
$changePerDay = 'N/A';
$changePerWeek = 'N/A';
$changePerMonth = 'N/A';
$rawChangePerDay = 0;
if (count($weights) > 1) {
$startWeight = $weights[count($weights) - 1];
$endWeight = $weights[0];
$diffWeight = $endWeight['weight'] - $startWeight['weight'];
$diffTime = $endWeight['create_time'] - $startWeight['create_time'];
$diffDays = ceil($diffTime / (60 * 60 * 24));
$changeWeight = round($diffWeight, 1);
$changePerDay = $diffWeight / $diffDays;
$changePerWeek = $changePerDay * 7;
$changePerMonth = $changePerDay * 30.5;
$rawChangePerDay = $changePerDay;
$changePerDay = round($changePerDay, 1);
$changePerWeek = round($changePerWeek, 1);
$changePerMonth = round($changePerMonth, 1);
}
return array('avg' => round($avg, 1), 'min' => $min, 'max' => $max, 'change_weight' => $changeWeight, 'change_per_day' => $changePerDay, 'change_per_week' => $changePerWeek, 'change_per_month' => $changePerMonth, 'raw_change' => $rawChangePerDay);
}
public function GET()
{
$policy = new Policy_LoggedIn($this->app);
$policy->ensure();
$userid = $policy->getData();
$date = date('n.j.Y');
header("Content-type: text/csv");
header("Content-disposition: attachment; filename=weights-{$date}.csv");
$mapper = new Mapper_Weight();
$weights = $mapper->getWeightsForUser($userid, 'all');
echo "Date,Weight,Comment\n";
foreach ($weights as $weight) {
$time = date('F j Y g:i a', $weight['create_time']);
echo $time . "," . $weight['weight'];
if ($weight['comment']) {
echo ',' . self::escapeCSVValue($weight['comment']);
}
echo "\n";
}
}
