//Return metadata about the columns in each table for a given database (table_schema)

$qry = "SELECT r_level, r_text, task_id, tb_tasks.task_text FROM tb_rubrics " .

"INNER JOIN tb_tasks ON tb_rubrics.task_id = tb_tasks.id " .

"WHERE tb_tasks.project_id = " . $projId . " ORDER BY tb_tasks.id, tb_rubrics.r_level;";

date_default_timezone_set('Australia/Sydney');

error_log("In get_project_rubrics.php...\n" . $qry);

$dbConn = opendatabase();

$result = mysqli_query($dbConn, $qry);

date_default_timezone_set('Australia/Sydney');

error_log("Records in Projects: " . mysqli_num_rows($result));

$row_cnt = mysqli_num_rows($result);

$field_cnt = $result->field_count;

error_log("Fields: " . $field_cnt);

if(!$result || mysqli_num_rows($result) <= 0){

//echo("Could not obtain metadata information.");

return false;

}

/*****************************************************************/

$xml = new XMLWriter();

$xml->openMemory();

$xml->startDocument();

$xml->setIndent(true);

$xml->startElement("task_rubrics");

/* fetch associative array */

/*

$row = mysqli_fetch_row($result);

for($i = 0; $i < $field_cnt; $i++){

error_log("Row[". $i . "] = " . $row[$i]);

error_log("Row[". $i . "] = " . $row[$i].name);

}

*/

/*

$finfo = $result->fetch_fields();

foreach ($finfo as $val) {

error_log("Name: " . $val->name);

error_log("Table: " . $val->table);

error_log("Max. Len: " . $val->max_length);

error_log("Length: " . $val->length);

error_log("charsetnr: " . $val->charsetnr);

error_log("Flags: " . $val->flags);

error_log("Type: " . $val->type);

}

$result->free();

*/

while ($row = mysqli_fetch_assoc($result)) {

$xml->startElement("task");

$xml->writeAttribute('id', $row['task_id']);

$xml->writeRaw($row['task_text']);

$xml->startElement("rubric_details");

$xml->writeAttribute('r_level', $row['r_level']);

$xml->startCData("details");

$xml->writeRaw($row['r_text']);

$xml->endCData();

$xml->endElement();

$xml->endElement();

}

$xml->endElement();

$xml->endDocument();

$dbConn -> close();

header('Content-type: text/xml');

$strXML = $xml->outputMemory(TRUE);

$xml->flush();

date_default_timezone_set('Australia/Sydney');

//error_log("String XML:\n " . $strXML);

$projXml = new DOMDocument;

$projXml->loadXML($strXML);

error_log("loading xsl document...");

$xsl = new DOMDocument;

$xsl->load('xsl/proj_rub_html.xsl');

// Configure the transformer

$proc = new XSLTProcessor;

$proc->importStyleSheet($xsl); // attach the xsl rules

$projRubs = $proc->transformToXML($projXml);

//error_log("XML Transform result\n" . $projRubs);

echo $proc->transformToXML($projXml);