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64 lines
1.7 KiB
64 lines
1.7 KiB
14 years ago
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<?php
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// Storage API
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// PHP Backend
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require_once('../inc/global.inc.php');
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switch ($_REQUEST['action']) {
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case "get":
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print storage_get($_REQUEST['svuser'], $_REQUEST['svcourse'], $_REQUEST['svsco'], $_REQUEST['svkey']);
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break;
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case "set":
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print storage_set($_REQUEST['svuser'], $_REQUEST['svcourse'], $_REQUEST['svsco'], $_REQUEST['svkey'], $_REQUEST['svvalue']);
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break;
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case "getall":
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print storage_getall($_REQUEST['svuser'], $_REQUEST['svcourse'], $_REQUEST['svsco']);
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break;
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default:
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// Do nothing
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}
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function storage_get($sv_user, $sv_course, $sv_sco, $sv_key) {
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$mainDB = Database::get_main_database();
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$sql = "select sv_value
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from $mainDB.stored_values
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where user_id= '$sv_user'
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and sco_id = '$sv_sco'
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and course_id = '$sv_course'
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and sv_key = '$sv_key'";
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$res = Database::query($sql);
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if (mysql_num_rows($res) > 0) {
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$row = Database::fetch_assoc($res);
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return $row['sv_value'];
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}
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else {
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return null;
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}
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}
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function storage_set($sv_user, $sv_course, $sv_sco, $sv_key, $sv_value) {
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$mainDB = Database::get_main_database();
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$sql = "replace into $mainDB.stored_values
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(user_id, sco_id, course_id, sv_key, sv_value)
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values
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('$sv_user','$sv_sco','$sv_course','$sv_key','$sv_value')";
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$res = Database::query($sql);
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return mysql_affected_rows();
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}
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function storage_getall($sv_user, $sv_course, $sv_sco) {
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$mainDB = Database::get_main_database();
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$sql = "select sv_key, sv_value
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from $mainDB.stored_values
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where user_id= '$sv_user'
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and sco_id = '$sv_sco'
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and course_id = '$sv_course'";
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$res = Database::query($sql);
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$data = array();
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while ($row = Database::fetch_assoc($res)) {
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$data[] = $row;
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}
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return json_encode($data);
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}
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?>
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