public function getData($days)
{
$columns = array();
$key_column = array('type' => 'date', 'title' => ct("Date"));
$report_type = $this->report_type;
$report_table = $this->report_table;
$report_ref_table = $this->report_ref_table;
$report_reference = $this->report_reference;
$key_prefix = $this->key_prefix;
$key = $this->key;
$actual_value_key = $this->actual_value_key;
$q = db()->prepare("SELECT * FROM performance_reports WHERE report_type=? ORDER BY id DESC LIMIT 30");
$q->execute(array($report_type));
$reports = $q->fetchAll();
if (!$reports) {
return render_text($graph, "No report {$report_type} found.");
}
// construct an array of (date => )
$data = array();
$keys = array();
$last_updated = false;
foreach ($reports as $report) {
// get all queries
$q = db()->prepare("SELECT * FROM {$report_table} AS r " . ($report_ref_table ? "JOIN {$report_ref_table} AS q ON r.{$report_reference}=q.id " : "") . "WHERE report_id=?");
$q->execute(array($report['id']));
$date = date('Y-m-d H:i:s', strtotime($report['created_at']));
$row = array();
while ($query = $q->fetch()) {
if (!isset($keys[$query[$key]])) {
$keys[$query[$key]] = count($keys);
$columns[] = array('type' => 'number', 'title' => $query[$key]);
}
if ($actual_value_key === null) {
if ($query[$key_prefix . '_count'] == 0) {
// prevent division by 0
$row[$keys[$query[$key]]] = graph_number_format(0);
} else {
$row[$keys[$query[$key]]] = graph_number_format($query[$key_prefix . '_time'] / $query[$key_prefix . '_count']);
}
} else {
$row[$keys[$query[$key]]] = graph_number_format($query[$actual_value_key]);
}
}
$data[$date] = $row;
$last_updated = max($last_updated, strtotime($report['created_at']));
}
// fill in any missing rows, e.g. queries that may not have featured in certain reports
foreach ($data as $date => $row) {
foreach ($keys as $id) {
if (!isset($row[$id])) {
$data[$date][$id] = 0;
}
}
}
return array('key' => $key_column, 'columns' => $columns, 'data' => $data, 'last_updated' => $last_updated);
}
}
$offset_left = 0;
$nsize = $FLIR['size_pts'];
while (($REAL_HEIGHT_BOUNDS['height'] > $FLIR['maxheight'] || $bounds['width'] > $FLIR['maxwidth']) && $nsize > 2) {
$nsize -= 0.5;
$bounds = bounding_box($FLIR['text'], NULL, $nsize);
$REAL_HEIGHT_BOUNDS = $FStyle['realFontHeight'] == 'true' ? bounding_box(HBOUNDS_TEXT, NULL, $nsize) : $bounds;
}
$FLIR['size_pts'] = $nsize;
if (false === @($image = imagecreatetruecolor($bounds['width'], $REAL_HEIGHT_BOUNDS['height']))) {
err('COULD_NOT_CREATE');
}
gd_alpha();
imagefilledrectangle($image, $offset_left, 0, imagesx($image), imagesy($image), gd_bkg());
imagettftext($image, $FLIR['size_pts'], 0, $bounds['xOffset'], $REAL_HEIGHT_BOUNDS['yOffset'], gd_color(), $FLIR['font'], $FLIR['text']);
render_text($bounds);
break;
case 'spacer':
if (false === @($image = imagecreatetruecolor($SPACE_BOUNDS['width'] * $SPACES_COUNT, 1))) {
err('COULD_NOT_CREATE');
}
imagesavealpha($image, true);
imagealphablending($image, false);
imagefilledrectangle($image, 0, 0, imagesx($image), imagesy($image), gd_bkg());
break;
}
if ($FLIR['postscript']) {
imagepsfreefont($FLIR['ps']['font']);
}
if (false !== $image) {
switch ($FLIR['output']) {
function imagettftextbox($size_pts, $angle, $left, $top, $color, $font, $raw_text, $max_width, $align = 'left', $lineheight = 1.0)
{
global $FLIR;
$raw_textlines = explode("\n", $raw_text);
$formatted_lines = $formatted_widths = array();
$max_values = bounding_box(HBOUNDS_TEXT);
$previous_bounds = array('width' => 0);
$spaces = ' ' . str_repeat(' ', defined('SPACING_GAP') ? SPACING_GAP : 0);
foreach ($raw_textlines as $text) {
$bounds = bounding_box($text);
if ($bounds['height'] > $max_lineheight) {
$max_lineheight = $bounds['height'];
}
if ($bounds['belowBasepoint'] > $max_baseheight) {
$max_baseheight = $bounds['belowBasepoint'];
}
if ($bounds['xOffset'] > $max_leftoffset) {
$max_leftoffset = $bounds['xOffset'];
}
if ($bounds['yOffset'] > $max_rightoffset) {
$max_rightoffset = $bounds['yOffset'];
}
if ($bounds['width'] < $max_width) {
// text doesn't require wrapping
$formatted_lines[] = $text;
$formatted_widths[$text] = $bounds['width'];
} else {
// text requires wrapping
$words = explode($spaces, trim($text));
$test_line = '';
for ($i = 0; $i < count($words); $i++) {
// test words one-by-one to see if they put the width over
$prepend = $i == 0 ? '' : $test_line . $spaces;
// add space if not the first word
$working_line = $prepend . $words[$i];
$bounds = bounding_box($working_line);
if ($bounds['width'] > $max_width) {
// if working line is too big previous line isn't, use that
$formatted_lines[] = $test_line;
$formatted_widths[$test_line] = $previous_bounds['width'];
$test_line = $words[$i];
$bounds = bounding_box($test_line);
} else {
// keep adding
$test_line = $working_line;
}
$previous_bounds = $bounds;
}
if ($test_line != '') {
// if words are finished and there is something left in the buffer add it
$bounds = bounding_box($test_line);
$formatted_lines[] = $test_line;
$formatted_widths[$test_line] = $bounds['width'];
}
}
}
$max_lineheight = $max_values['height'] * $lineheight;
$image = imagecreatetruecolor($max_width, $max_lineheight * (count($formatted_lines) - 1) + $max_values['yOffset'] + $max_values['belowBasepoint']);
gd_alpha($image);
imagefilledrectangle($image, 0, 0, imagesx($image), imagesy($image), gd_bkg($image));
for ($i = 0; $i < count($formatted_lines); $i++) {
if ($i == 0) {
$offset_top = $max_values['yOffset'];
} else {
$offset_top = $max_lineheight * $i + $max_values['yOffset'];
}
switch (strtolower($align)) {
default:
case 'left':
$offset_left = 0;
break;
case 'center':
$offset_left = ($max_width - $formatted_widths[$formatted_lines[$i]]) / 2;
break;
case 'right':
$offset_left = $max_width - $formatted_widths[$formatted_lines[$i]] - 1;
break;
}
// imagettftext($image, $size_pts, $angle, $offset_left, $offset_top, gd_color($image), $font, $formatted_lines[$i]);
$bounds = array('xOffset' => $offset_left, 'yOffset' => $offset_top);
render_text($bounds, $formatted_lines[$i], $image, $bounds);
}
return $image;
}
/**
* @param $report_ref_table can be null
* @param $report_reference can be null
* @param $actual_value_key if null, use {$key_prefix}_time/{$key_prefix}_count; otherwise, use this key
*/
function render_metrics_graph($graph, $report_type, $report_table, $report_ref_table, $report_reference, $key_prefix, $key = null, $actual_value_key = null)
{
if ($key == null) {
$key = $key_prefix;
}
if (!is_admin()) {
return render_text(t("This graph is for administrators only."));
}
$q = db()->prepare("SELECT * FROM performance_reports WHERE report_type=? ORDER BY id DESC LIMIT 30");
$q->execute(array($report_type));
$reports = $q->fetchAll();
if (!$reports) {
return render_text($graph, "No report {$report_type} found.");
}
// construct an array of (date => )
$data = array();
$data[0] = array(t("Date"));
$keys = array();
$graph['last_updated'] = 0;
foreach ($reports as $report) {
// get all queries
$q = db()->prepare("SELECT * FROM {$report_table} AS r " . ($report_ref_table ? "JOIN {$report_ref_table} AS q ON r.{$report_reference}=q.id " : "") . "WHERE report_id=?");
$q->execute(array($report['id']));
$date = date('Y-m-d H:i:s', strtotime($report['created_at']));
$row = array('new Date(' . date('Y, n-1, j, H, i, s', strtotime($report['created_at'])) . ')');
while ($query = $q->fetch()) {
if (!isset($keys[$query[$key]])) {
$keys[$query[$key]] = count($keys) + 1;
$data[0][] = array("title" => $query[$key]);
}
if ($actual_value_key === null) {
$row[$keys[$query[$key]]] = graph_number_format($query[$key_prefix . '_time'] / $query[$key_prefix . '_count']);
} else {
$row[$keys[$query[$key]]] = graph_number_format($query[$actual_value_key]);
}
}
$data[$date] = $row;
$graph['last_updated'] = max($graph['last_updated'], strtotime($report['created_at']));
}
// fill in any missing rows, e.g. queries that may not have featured in certain reports
foreach ($data as $date => $row) {
if ($date === 0) {
continue;
}
foreach ($keys as $id) {
if (!isset($row[$id])) {
$data[$date][$id] = 0;
}
}
}
if (count($data) > 1) {
render_linegraph_date($graph, array_values($data));
} else {
render_text($graph, t("There is not yet any historical data for these statistics."));
}
}