forked from asobti/ABetterTMS_Scraper
/
dbmanager.php
143 lines (116 loc) · 4.59 KB
/
dbmanager.php
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<?php
class BetterTMS_DBManager
{
private $dbCred;
function __construct()
{
include_once('dbconfig.php');
$dbObject = new dbconfig;
$this->dbCred = $dbObject->getConnDetails();
}
function storeTerms($terms)
{
mysql_connect($this->dbCred['host'],$this->dbCred['username'],$this->dbCred['password']);
mysql_select_db($this->dbCred['database']);
foreach ($terms as $term)
{
$query = sprintf("INSERT INTO `terms` (`termcode`,`termname`,`termlink`) VALUES ('%s','%s','%s')"
, mysql_real_escape_string($term['termcode'])
, mysql_real_escape_string($term['termname'])
, mysql_real_escape_string($term['termlink']));
mysql_query($query) or die(mysql_error());
}
mysql_close();
}
function storeColleges($colleges)
{
mysql_connect($this->dbCred['host'],$this->dbCred['username'],$this->dbCred['password']);
mysql_select_db($this->dbCred['database']);
foreach($colleges as $college)
{
$query = sprintf("SELECT `collegecode` FROM `colleges` WHERE `collegecode` = '%s'"
, mysql_real_escape_string($college['collegecode']));
$existcheck = mysql_query($query);
if (mysql_num_rows($existcheck) == 0)
{
$query = sprintf("INSERT INTO `colleges` (`collegecode`,`collegename`) VALUES ('%s','%s')"
, mysql_real_escape_string($college['collegecode'])
, mysql_real_escape_string($college['collegename']));
mysql_query($query) or die(mysql_error());
}
}
mysql_close();
}
function storeSubjects($college)
{
mysql_connect($this->dbCred['host'],$this->dbCred['username'],$this->dbCred['password']);
mysql_select_db($this->dbCred['database']);
$collegecode = $college['collegecode'];
foreach($college['subjects'] as $subject)
{
$query = sprintf("SELECT `subjectcode` from `subjects` WHERE `subjectcode` = '%s'"
, mysql_real_escape_string($subject['subjectcode']));
$existcheck = mysql_query($query);
if (mysql_num_rows($existcheck) == 0)
{
$query = sprintf("INSERT INTO `subjects` (`subjectcode`,`subjectname`,`subjectlink`,`collegecode`) VALUES ('%s','%s','%s','%s')"
, mysql_real_escape_string($subject['subjectcode'])
, mysql_real_escape_string($subject['subjectname'])
, mysql_real_escape_string($subject['subjectlink'])
, mysql_real_escape_string($collegecode));
mysql_query($query) or die(mysql_error());
}
}
mysql_close();
}
function getSubLinks()
{
mysql_connect($this->dbCred['host'],$this->dbCred['username'],$this->dbCred['password']);
mysql_select_db($this->dbCred['database']);
$query = sprintf("SELECT `subjectlink` FROM `subjects`");
$linksres = mysql_query($query) or die(mysql_error());
$links;
while ($link = mysql_fetch_array($linksres))
$links[] = $link['subjectlink'];
mysql_close();
return $links;
}
//stores courses. Inserts into two tables: `courses` and `sections`
function storeCourses($coursearray, $term)
{
mysql_connect($this->dbCred['host'],$this->dbCred['username'],$this->dbCred['password']);
mysql_select_db($this->dbCred['database']);
$query2 = "INSERT INTO `sections` (`crn`,`sec`,`courseid`,`termcode`) VALUES ";
foreach($coursearray as $course)
{
$query = sprintf("SELECT `courseid` FROM `courses` WHERE `subjectcode` = '%s' AND `coursenumber` = %d"
, mysql_real_escape_string($course['subjectcode'])
, (int)$course['courseno']);
$existcheck = mysql_query($query);
$courseid = '';
if (mysql_num_rows($existcheck) == 0) //does not exist in `courses` table
{
$query1 = sprintf("INSERT INTO `courses` (`subjectcode`,`coursenumber`,`coursetitle`) VALUES ('%s',%d,'%s')"
, mysql_real_escape_string($course['subjectcode'])
, (int)$course['courseno']
, mysql_real_escape_string($course['coursetitle']));
mysql_query($query1) or die(mysql_error());
$courseid = mysql_insert_id();
}
else //aready exists. Get existing record's id
{
$row = mysql_fetch_array($existcheck);
$courseid = $row['courseid'];
}
$query2 .= sprintf("(%d,'%s',%d,'%s'),"
, (int)$course['crn']
, mysql_real_escape_string($course['sec'])
, (int)$courseid
, mysql_real_escape_string($term['termcode']));
//mysql_query($query2) or die(mysql_error());
}
return $query2;
mysql_close();
}
}
?>