mirror of
https://gitlab.com/CodeSolutionsProject/CodeShare.git
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Initial commit
This commit is contained in:
JoseluCross
446
Source/src/DB.php
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446
Source/src/DB.php
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@@ -0,0 +1,446 @@
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<?php
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class DB
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{
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/*
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* DB Basic
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*/
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/**
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* @var bool connection with database
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*/
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public $conn;
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/**
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* DB constructor
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*/
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function __construct()
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{
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$this->conn = Config::getDBConexion();
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$this->createTable();
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}
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/**
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* Close the connection
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*/
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public function close()
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{
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dbw_close($this->conn);
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}
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/**
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* Get the first array of a query result
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*
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* @param $query sql query
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* @return array array
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*/
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private function getQuery($query)
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{
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return dbw_fetch_array($this->conn, dbw_query($this->conn, $query));
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}
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/**
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* Get the total of codes in database
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*
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* @return int total of codes
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*/
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private function numOfCodes()
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{
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return $this->getQuery("SELECT COUNT(*) FROM Sources")[0];
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}
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/**
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* Create table if not exist in deploy (Database must be exist).
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*/
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private function createTable()
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{
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$query = "CREATE TABLE IF NOT EXISTS `Codes`( `IDC` int(11) NOT NULL AUTO_INCREMENT, `UserCreator` int(11) NOT NULL, `Name` varchar(80) NOT NULL, `Description` text NOT NULL, `Input` text NOT NULL, `Output` text NOT NULL, PRIMARY KEY (`IDC`), KEY `UserCreator` (`UserCreator`), CONSTRAINT `Codes_ibfk_1` FOREIGN KEY (`UserCreator`) REFERENCES `Users` (`IDU`) ON DELETE SET NULL) ENGINE=InnoDB DEFAULT CHARSET=utf8; CREATE TABLE IF NOT EXISTS `Sources` ( `IDC` int(11) NOT NULL, `IDU` int(11) NOT NULL, `Lang` varchar(15) NOT NULL, `Version` int(11) NOT NULL, `Modification` int(11) NOT NULL, `Code` text NOT NULL, `UseExtLib` text, `UseExtLibVer` varchar(55) DEFAULT NULL, PRIMARY KEY (`IDC`,`Lang`,`Version`), KEY `IDU` (`IDU`), CONSTRAINT `Sources_ibfk_1` FOREIGN KEY (`IDU`) REFERENCES `Users` (`IDU`), CONSTRAINT `Sources_ibfk_2` FOREIGN KEY (`IDC`) REFERENCES `Codes` (`IDC`) ) ENGINE=InnoDB DEFAULT CHARSET=utf8; CREATE TABLE IF NOT EXISTS `Users` ( `IDU` int(11) NOT NULL AUTO_INCREMENT, `email` varchar(64) NOT NULL, `pass` varchar(64) NOT NULL, `nick` varchar(40) NOT NULL, `token` varchar(50) DEFAULT NULL, `ROLE` int(11) NOT NULL DEFAULT '0', PRIMARY KEY (`IDU`) ) ENGINE=InnoDB DEFAULT CHARSET=utf8;";
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dbw_query($this->conn, $query);
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}
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/*
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* Code - Source
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*/
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//SQL SELECT
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/**
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* Load the user creator of code, is needed for know if the logged user is the same of creator.
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*
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* @param $IDC Code identifier
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* @return int User creator id
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*/
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public function loadOriginalAuthor($IDC)
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{
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$query = "SELECT UserCreator FROM Codes WHERE IDC='$IDC'";
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return $this->getQuery($query)[0];
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}
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/**
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* Select all from a Snippet.
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*
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* @param $id code identifier
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* @param $lang lang of snippet
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* @param $version version of snippet
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* @return array all data from snippet specified
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*/
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public function loadAll($id, $lang, $version)
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{
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$query = "SELECT * FROM Users NATURAL JOIN Sources NATURAL JOIN Codes WHERE IDC=$id AND Lang='$lang' AND Version=$version";
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$code = $this->getQuery($query);
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return $code;
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}
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/**
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* Load the last codes uploaded.
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*
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* @return mysqli_result the las 10 snippets hosted
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*/
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public function loadLast()
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{
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if (isset($_GET["o"]))
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$first = $_GET["o"] * 10;
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else
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$first = 0;
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$query = "SELECT IDC,Name,nick,Lang,Description,Code,Version FROM Users NATURAL JOIN Sources as S NATURAL JOIN Codes WHERE Version = (SELECT MAX(Version) FROM Sources WHERE S.Lang = Lang AND S.IDC = IDC) ORDER BY Modification DESC LIMIT $first, 10";
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$code = dbw_query($this->conn, $query);
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return $code;
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}
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/**
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* Load other versions of solution.
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*
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* @param $id code identifier
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* @param $lang snippet lang
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* @return mysqli_result all versions history
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*/
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public function loadOtherVersion($id, $lang)
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{
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$query = "SELECT * FROM Users NATURAL JOIN Sources NATURAL JOIN Codes WHERE IDC='$id' AND Lang='$lang' ORDER BY Version ASC";
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return dbw_query($this->conn, $query);
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}
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/**
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* Load all snippets from a code with different lang.
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*
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* @param $id code identifier
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* @param $lang snippet lang
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* @return mysqli_result all snippet with different lang
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*/
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public function loadDiff($id, $lang)
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{
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$query = "SELECT Lang,Code,Version FROM Sources NATURAL JOIN Codes WHERE IDC='$id' AND Lang<>'$lang' AND Version = (SELECT MAX(Version) FROM Sources NATURAL JOIN Codes WHERE IDC='$id' AND Lang<>'$lang')";
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$code = dbw_query($this->conn, $query);
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return $code;
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}
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/**
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* Loads all langs in which a solution is implemented.
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*
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* @param $IDC solution identifier
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* @return array all langs
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*/
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public function loadLangs($IDC)
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{
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$query = "SELECT DISTINCT Lang FROM Sources WHERE IDC='$IDC'";
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$toFetch = dbw_query($this->conn, $query);
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$toReturn = array();
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while ($var = dbw_fetch_array($this->conn, $toFetch)) {
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array_push($toReturn, $var["Lang"]);
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}
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return $toReturn;
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}
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/**
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* Get last version of a snippet.
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*
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* @param $IDC code identifier
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* @param $lang snippet lang
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* @return int the last snippet's version
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*/
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public function getLastVersion($IDC, $lang)
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{
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$query = "SELECT MAX(Version) FROM Sources WHERE IDC='$IDC' AND Lang='$lang'";
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return $this->getQuery($query)[0];
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}
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/**
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* Get the last IDC put.
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*
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* @return int the last code identifier
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*/
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public function getLastIDC()
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{
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$query = "SELECT MAX(IDC) FROM Codes";
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return $this->getQuery($query)[0];
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}
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/**
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* Load all data from code.
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*
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* @param $idc code identifier
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* @return array all code data
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*/
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public function loadCode($idc)
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{
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$query = "SELECT * FROM Codes WHERE IDC=" . $idc;
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return $this->getQuery($query);
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}
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/**
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* Load 10 codes according the user's filter
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*
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* @param $array Array whit all (Post mensage)
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* @return mysqli_result ten codes
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*/
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public function loadFilter($array)
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{
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$query = "SELECT IDC,Name,nick,Lang,Description,Code,Version FROM Users NATURAL JOIN Sources as S NATURAL JOIN Codes ";
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$where = "WHERE (";
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$count = false;
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foreach ($array as $key => $value) {
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if ($key != "search" and $key != "o") {
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if ($count) {
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$where = $where . "OR S.Lang='$value' ";
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} else {
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$where = $where . "S.Lang='$value' ";
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$count = !$count;
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}
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}
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}
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if(count($array)==1)
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$where = $where . "S.Lang<>''";
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if (isset($array["o"]))
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$first = $array["o"] * 10;
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else
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$first = 0;
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$queryLast = ") AND Version = (SELECT MAX(Version) FROM Sources WHERE S.Lang = Lang AND S.IDC = IDC)" . $this->search($array["search"]) . " ORDER BY Modification DESC LIMIT $first, 10";
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//echo $query.$where.$queryLast;
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return dbw_query($this->conn, $query . $where . $queryLast);
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}
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/**
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* make a fragment of a query based in the text which user inputs
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*
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* @param $text input by user
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* @return string sql query fragment
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*/
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public function search($text)
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{
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$text = dbw_escape_string($this->conn, $text);
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if ($text != "") {
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$query = "";
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$textExplode = explode(" ", $text);
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$value = true;
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foreach ($textExplode as $find) {
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if ($find != "") {
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if ($value) {
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$query = $query . "AND (Description LIKE '%" . $find . "%' OR Name LIKE '%" . $find . "%'";
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$value = false;
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} else {
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$query = $query . "AND Description LIKE '%" . $find . "%' OR Name LIKE '%" . $find . "%'";
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}
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}
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}
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return $query . ")";
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} else {
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return "";
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}
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}
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//SQL INSERT/UPDATE
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/**
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* Add a source of a code.
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*
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* @param $IDC code identifier
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* @param $lang snippet's lang
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* @param $code the source code
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* @param $IDU User identifier
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* @param null $extlib external library
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* @param null $extlibver external library version
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* @return int return the snippet's version
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*/
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public function addSource($IDC, $lang, $code, $IDU, $extlib = null, $extlibver = null)
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{
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$version = $this->getLastVersion($IDC, $lang);
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if ($version == null)
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$version = 0;
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$version++;
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$modification = time();
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$query = "INSERT INTO Sources (`IDC`,`Lang`,`Version`,`Modification`,`Code`,`UseExtLib`,`UseExtLibVer`,`IDU`) VALUES ('$IDC','$lang',$version,$modification,'$code','$extlib','$extlibver','$IDU')";
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echo $query . ';';
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dbw_query($this->conn, $query);
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return $version;
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}
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/**
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* Add or modify a code in database.
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*
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* @param $IDC code identifier (0 if new)
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* @param $name solutions's name
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* @param $description solution's description
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* @param $input solution's input example
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* @param $output solution's output example
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* @param $lang source's lang
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* @param $code source's code
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* @param $IDU user identifier
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* @param null $extlib external library
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* @param null $extlibver external library version
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* @return int the snippet's version
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*/
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public function addOrModifyCodes($IDC, $name, $description, $input, $output, $lang, $code, $IDU, $extlib = null, $extlibver = null)
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{
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$in = dbw_escape_string($this->conn, $input);
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$out = dbw_escape_string($this->conn, $output);
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$_code = dbw_escape_string($this->conn, $code);
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if ($IDC == 0) {
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$query = "INSERT INTO Codes (`UserCreator`,`Name`,`Description`,`Input`,`Output`) VALUES ('$IDU','$name','$description','$in','$out') ";
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//echo $query.';';
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//die();
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echo $query . ';';
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dbw_query($this->conn, $query);
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$this->addSource($this->getLastIDC(), $lang, $_code, $IDU, $extlib, $extlibver);
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} else {
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$arr = $this->loadAll($IDC, $lang, $this->getLastVersion($IDC, $lang));
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$codewrite = $arr["Code"];
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$version = 0;
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if ($code != $codewrite) {
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$version = $this->addSource($IDC, $lang, $_code, $IDU, $extlib, $extlibver);
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} else if ($extlib != $arr["UseExtLib"] || $extlibver != $arr["UseExtLibVer"]) {
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$query = "UPDATE Sources SET `UseExtLib`='$extlib', `UseExtLibVer`='$extlibver' WHERE IDC=$IDC AND Lang='$arr[Lang]' AND Version=$arr[Version]";
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//echo $query.';';
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dbw_query($this->conn, $query);
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}
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$query = "UPDATE Codes SET `Name`='$name', `Description`='$description', `Input`='$in', `Output`='$out' WHERE IDC='$IDC'";
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//echo $query.';';
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dbw_query($this->conn, $query);
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return $version;
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}
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}
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//SQL DELETE
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/*public function deleteCode($idc){
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$query = "DELETE FROM SCALE WHERE IDC=$idc";
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dbw_query($this->conn,$query);
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$query = "DELETE FROM Codes WHERE IDC=$idc";
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dbw_query($this->conn,$query);
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}*/
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/*public function deleteSource($idc,$lang,$ver){
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$query = "DELETE FROM Sources WHERE IDC=$idc AND Lang='$lang' AND Version=$ver";
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dbw_query($this->conn,$query);
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}*/
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/*
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* Users
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*/
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//SQL SELECT
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/**
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* Load user profile
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*
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* @param $id user identifier
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* @return array all user profile
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*/
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public function loadProfile($id)
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{
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$query = "SELECT * FROM Users WHERE IDU=" . $id;
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return $this->getQuery($query);
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}
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/**
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* Load user IDU from $email
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*
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* @param $email user's email
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* @return int user's identifier
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*/
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public function loadIDU($email)
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{
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$query = "SELECT IDU FROM Users WHERE email='" . $email . "'";
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return $this->getQuery($query)["IDU"];
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}
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/**
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* Check if user cookie token is the same saved in database.
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*
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* @param $IDU user's identifier
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* @param $token token in cookie
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* @return bool true if same, false if not
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*/
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public function checkCookie($IDU, $token)
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{
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$tokenDB = $this->getQuery("SELECT token FROM Users WHERE IDU=" . $IDU)["token"];
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if ($tokenDB == $token)
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return true;
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else
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return false;
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}
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/**
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* Check if password is correct.
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*
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* @param $email user email
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* @param $pass pass password input
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* @return bool true if match, false if not
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*/
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public function checkPass($email, $pass)
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{
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$query = "SELECT pass FROM Users WHERE email='$email'";
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$passDB = $this->getQuery($query)["pass"];
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if ($passDB == hash('sha256', $pass))
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return true;
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else
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return false;
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}
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//SQL INSERT/UPDATE
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/**
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* Register a new user in platform.
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*
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* @param $email user's email
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* @param $pass user's password
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* @param $nick user's nickname
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* @return bool true if do not exist the email, false if it exists
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*/
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public function register($email, $pass, $nick)
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{
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if ($this->loadIDU($email))
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return false;
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else {
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$password = hash('sha256', $pass);
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dbw_query($this->conn, "INSERT INTO Users (`email`,`pass`,`nick`) VALUES ('$email','$password','$nick')");
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return true;
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}
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}
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/**
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* Set token
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*
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* @param $IDU user's identifier
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* @param $token autogenerated token
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*/
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public function setToken($IDU, $token)
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{
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dbw_query($this->conn, "UPDATE Users SET token='$token' WHERE IDU='$IDU'");
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}
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/**
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* Change password
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*
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* @param $idu user identifier
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* @param $pass new password to update
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*/
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public function updatePass($idu, $pass)
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{
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$query = "UPDATE Users SET password='" . hash('sha256', $pass) . "' WHERE IDU='$idu'";
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dbw_query($this->conn, $query);
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}
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}
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