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<?php
$N=30;
/* parse ini -file */
$iniarray=parse_ini_file("config.ini");
$DBFILE=$iniarray["fspotdb"];
$usePDO=$iniarray["usePDO"];
$N=$iniarray["pics_per_page"];
/* end parse ini-file */
if($usePDO)
$DB = new PDO("sqlite:$DBFILE");
else
$DB = new SQlite3($DBFILE);
/* do database query */
if (isset($_REQUEST["S"]))
{
/* single tag or part of tag */
$tag = sqlite_escape_string($_REQUEST["S"]);
$result = $DB->query("SELECT name FROM tags");
}
else if (isset($_REQUEST["ID"]))
{
$id = intval($_REQUEST["ID"]);
$result = $DB->query("SELECT base_uri, filename, id FROM photos".
" WHERE id=$id");
}
else if (isset($_REQUEST["CLOUD"]))
{
$result = $DB->query("SELECT t.name as name, count(*) as count FROM photo_tags pt ".
" LEFT JOIN tags t on t.id=pt.tag_id".
" GROUP BY t.id");
}
else
{
if (isset($_REQUEST["P"]))
$OFFSET = "".(intval($_REQUEST["P"])*$N-$N);
else
$OFFSET = "0";
if (isset($_REQUEST["T"]))
{
/* single tag or part of tag */
$tags = $_REQUEST["T"];
$tags = explode(",",$tags);
$nrtags = count($tags);
foreach ($tags as $key => $value)
$tags[$key]=sqlite_escape_string(trim($value));
$tags = "'".implode("','",$tags)."'";
/* individual tags are seperated by ',' */
/* use and AND query between tags as a default
a good explanation on different ways of doing this can be found at:
http://www.pui.ch/phred/archives/2005/04/tags-database-schemas.html
*/
if (isset($_REQUEST["C"]))
{
$result = $DB->query("SELECT count(*) as total from (SELECT p.id FROM photo_tags pt, photos p, tags t".
" WHERE pt.tag_id = t.id".
" AND (t.name COLLATE NOCASE IN ($tags))".
" AND p.id = pt.photo_id ".
" GROUP BY p.id HAVING COUNT( p.id )=$nrtags)");
}
else
{
$result = $DB->query("SELECT base_uri, filename, p.id as id FROM photo_tags pt, photos p, tags t".
" WHERE pt.tag_id = t.id".
" AND (t.name COLLATE NOCASE IN ($tags))".
" AND p.id = pt.photo_id ".
" GROUP BY p.id HAVING COUNT( p.id )=$nrtags".
" LIMIT $OFFSET, $N");
}
}
else
{
if (isset($_REQUEST["C"]))
$result = $DB->query("SELECT count(*) as total FROM photos");
else
$result = $DB->query("SELECT * FROM photos LIMIT $OFFSET, $N");
}
}
/* encode result as an array */
$tmp=array();
if(!$usePDO)
{
/* convert results into array */
while($res = $result->fetchArray(SQLITE3_ASSOC))
$tmp[]=$res;
}
else
{
foreach($result as $res)
$tmp[]=$res;
}
$result=$tmp;
echo json_encode($result);
/* close the database */
if($usePDO)
$DB=null;
else
$DB->close();
?>
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