#1385 - first basic code for a version class; cache is a sqlite table

public_html/versions/classes/versions.class.php

+<?php
+
+/**
+ * version data handler for the deployment tool
+ *
+ * @author hahn
+ */
+class versions {
+    //put your code here
+
+    public $sProject = false;
+    public $sPhase = false;
+    public $sPlace = false;
+    public $sVariable = false;
+    public $sData = false;
+
+    /**
+     * filename of 
+     * @var type 
+     */
+    private $_dbfile = false;
+    
+    private $_sCreate = '
+        CREATE TABLE "versions" (
+          `id` INTEGER PRIMARY KEY  AUTOINCREMENT  NOT NULL  UNIQUE ,
+          `time` DATETIME,
+          `project` TEXT,
+          `phase` TEXT,
+          `place` TEXT,
+          `host` TEXT,
+          `variable` TEXT,
+          `data` TEXT,
+          UNIQUE (project, phase, place, host, variable) ON CONFLICT REPLACE
+        );'
+    ;
+    
+    // ----------------------------------------------------------------------
+    // CONSTRUCTOR
+    // ----------------------------------------------------------------------
+    
+    
+    public function __construct(){
+        
+        // cache dir is hardcoded to versions directory :-/
+        $this->_dbfile = __DIR__ . '/../data/versioncache.db';
+        
+        if (!file_exists($this->_dbfile)) {
+            $this->_createDb();
+            if (!file_exists($this->_dbfile)) {
+                die("ERROR: unable to create sqlite database " . $this->_dbfile);
+            }
+        }
+    }
+    
+    // ----------------------------------------------------------------------
+    // PRIVATE 
+    // ----------------------------------------------------------------------
+
+    /**
+     * create sqlite database - called in constructor if the file does not exist
+     */
+    private function _createDb() {
+        echo "try to create file $this->_dbfile ...<br>\n";
+        return $this->_makeQuery($this->_sCreate);
+    }
+
+    /**
+     * execute a sql statement
+     * @param string $sSql sql statement
+     * @return database object
+     */
+    private function _makeQuery($sSql) {
+        // $this->_log(__FUNCTION__."($sSql)");
+        echo "DEBUG: executing SQL<pre>$sSql</pre>";
+        $db = new PDO("sqlite:" . $this->_dbfile);
+        $result = $db->query($sSql);
+        $db = NULL;
+        return $result;
+    }
+    
+
+    // ----------------------------------------------------------------------
+    // PUBLIC GETTER
+    // ----------------------------------------------------------------------
+    
+    public function getVersion(){
+        if (!$this->sProject || !$this->sPhase || !$this->sPlace ){
+            die("ERROR: you need to set a project, phase and place. use the setProject() method to do so.");
+        }
+        $aReturn=array();
+        $sSql="select * from `versions`
+            WHERE
+                project='" . $this->sProject . "'
+                AND phase='" . $this->sPhase . "'
+                AND place='" . $this->sPlace . "'
+                AND host='" . $this->sHost . "'
+                ";
+        foreach ($this->_makeQuery($sSql) as $row) {
+            for ($i = 0; $i <= count($row); $i++) {
+                unset($row[$i]);
+            }
+            $aReturn[] = $row;
+        }
+        return $aReturn;
+    }
+    
+    public function whereiam(){
+        return array(
+            'project'=>$this->sProject,
+            'phase'=>$this->sPhase,
+            'place'=>$this->sPlace,
+            'host'=>$this->sHost,
+        );
+    }
+    
+    
+    // ----------------------------------------------------------------------
+    // PUBLIC SETTER
+    // ----------------------------------------------------------------------
+    
+    public function setProject($sProject, $sPhase=false, $sPlace=false, $sHost=false){
+        $this->sProject=$sProject;
+        $this->setPhase($sPhase, $sPlace, $sHost);
+        return $this->sProject;
+    }
+    
+    public function setPhase($sPhase, $sPlace=false, $sHost=false){
+        if (!$this->sProject){
+            die("ERROR: you need to set a project. Use the setProject() method to do so.");
+            return false;
+        }
+        $this->sPhase=$sPhase;
+        $this->setPlace($sPlace, $sHost);
+        return $this->sPhase;
+    }
+
+    public function setPlace($sPlace, $sHost=false){
+        if (!$this->sProject || !$this->sPhase){
+            die("ERROR: you need to set a project and phase. Use the setProject() method to do so.");
+            return false;
+        }
+        if($sPlace!=='queue' && $sPlace!=='puppet' && $sPlace!=='installed'){
+            die("ERROR: you set a wrong place [$sPlace]");
+        }
+        $this->sPlace=$sPlace;
+        $this->setHost($sHost);
+        return $this->sPlace;
+    }
+    
+    public function setHost($sHost=false){
+        if (!$this->sProject || !$this->sPhase || !$this->sPlace){
+            die("ERROR: you need to set a project, phase and place. Use the setProject() method to do so.");
+            return false;
+        }
+        if($sHost && $this->sPlace!=='installed'){
+            die("ERROR: a host can be set on place [installed] only.");
+        }
+        if(!$sHost && $this->sPlace==='installed'){
+            die("ERROR: on place [installed] a host MUST be set.");
+        }
+        $this->sHost=$sHost;
+        return $this->sHost;
+    }
+    
+    /**
+     * update a version
+     * @return boolean
+     */
+    public function updateVersion($sVersioninfos){
+        if (!$this->sProject || !$this->sPhase || !$this->sPlace ){
+            die("ERROR: you need to set a project, phase and place. use the setProject() method to do so.");
+        }
+        $sSql="
+        INSERT into `versions` 
+        (`time`, `project`, `phase`, `place`, `host`, `variable`, `data` )
+        VALUES
+        (
+            '" . date("Y-m-d H:i:s") . "',
+            '" . $this->sProject . "',
+            '" . $this->sPhase . "',
+            '" . $this->sPlace . "',
+            '" . $this->sHost . "',
+            'version',
+            '" . $sVersioninfos . "'
+        );
+        ";
+        return $this->_makeQuery($sSql);
+    }
+    
+}

public_html/versions/index.php

+<?php
+echo '<pre>'.print_r($_GET, 1).'</pre>';
+
+require './classes/versions.class.php';
+
+$oVersion=new versions();
+
+$sProject='ci';
+$sPhase='preview'; 
+$sPlace='installed'; 
+$sHost='preview02.ci';
+
+$oVersion->setProject($sProject, $sPhase, $sPlace, $sHost);
+print_r($oVersion->whereiam());
+
+/*
+if ($oVersion->updateVersion('{ "revision": "000" }')){
+    print_r($oVersion->getVersion());
+} else {
+    echo "insert failed. :-(";
+}
+*/
+
+print_r($oVersion->getVersion());
+
+// $oVersion->
\ No newline at end of file