Manaweb aktualisiert.

git-svn-id: https://invertika.googlecode.com/svn/trunk@3657 784bf6b6-0765-11df-962c-b5c252e50527

system/application/libraries/Attributeprovider.php

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+<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+/*
+ *  The Mana Server Account Manager
+ *  Copyright 2009 The Mana Server Development Team
+ *
+ *  This file is part of The Mana Server.
+ *
+ *  The Mana Server  is free software; you can redistribute  it and/or modify it
+ *  under the terms of the GNU General  Public License as published by the Free
+ *  Software Foundation; either version 2 of the License, or any later version.
+ *
+ *  The Mana Server is  distributed in  the hope  that it  will be  useful, but
+ *  WITHOUT ANY WARRANTY; without even  the implied warranty of MERCHANTABILITY
+ *  or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ *  more details.
+ *
+ *  You should  have received a  copy of the  GNU General Public  License along
+ *  with The Mana Server; if not, write to the  Free Software Foundation, Inc.,
+ *  59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+// load dependencies
+require_once(APPPATH.'models/attributes'.EXT);
+
+/**
+ * The attributeprovider is responsible for all actions according to attributes in the
+ * manaserv module. It reads the XML_ATTRIBUTES_FILE file, and delivers informations about
+ * attributes to the user.
+ *
+ * @ingroup libraries
+ */
+class Attributeprovider
+{
+    /**
+     *  Defines the location and filename where to store the locally cached
+     *  attributes data.
+     */
+    const ATTRIBUTES_STORAGE = './data/attributes.php.db';
+
+    /**
+     * Reference to the CodeIgniter framework
+     */
+    private $CI;
+
+    /**
+     * Configured path and name of the XML_ATTRIBUTES_FILE file.
+     */
+    private $attributes_file;
+
+    /**
+     * List of all available attributesets loaded from the XML_ATTRIBUTES_FILE or the serialized
+     * data object.
+     */
+    private $attributesets;
+
+
+    /**
+     * Initialize a new instance of the Attributeprovider.
+     */
+    function __construct()
+    {
+        // get an instance of CI
+        // we have to do this, because we are not in an controller and
+        // therefore we cannot access $this->config
+        $this->CI =& get_instance();
+
+        // initialize variables
+        $this->attributes_file = "";
+        $this->attributesets = array();
+
+
+        // check if the serialized data object is present
+        if (file_exists(Attributeprovider::ATTRIBUTES_STORAGE))
+        {
+            $this->attributesets = unserialize(
+                file_get_contents(Attributeprovider::ATTRIBUTES_STORAGE)
+            );
+        }
+        else
+        {
+            // try to load XML_ATTRIBUTES_FILE file
+            $this->loadAttributesFile();
+        }
+    } // __construct
+
+
+    /**
+     * This function returns all informations stored to the attributeset with the given
+     * name.
+     * @param name (String) Name of the attributeset
+     * @return (Attributeset) Attributeset object
+     */
+    public function getAttributeset($name)
+    {
+        if (isset($this->attributesets[$name]))
+        {
+            return $this->attributesets[$name];
+        }
+        else
+        {
+            show_error('A attributeset with the name ' . $name . ' is unknown. Maybe you '.
+                'have to reload the '. XML_ATTRIBUTES_FILE .' file');
+        }
+    }
+
+    /**
+     * Returns a list of all known attributesets
+     * @return (Array) list of Attributesets
+     */
+    public function getAttributesets()
+    {
+        return $this->attributesets;
+    }
+
+
+    /**
+     * This function tries to load and serialize the XML_ATTRIBUTES_FILE file.
+     */
+    public function loadAttributesFile()
+    {
+        log_message('debug', 'Reloading '. XML_ATTRIBUTES_FILE .' file from manaserv');
+
+        // load the configured path and filename from config file
+        $this->attributes_file = $this->CI->config->item('manadata_path') . XML_ATTRIBUTES_FILE;
+
+        // check if the file really exists and is readable
+        if (!file_exists($this->attributes_file))
+        {
+            show_error('The '. XML_ATTRIBUTES_FILE .' file ' . $this->attributes_file . ' configured'.
+                ' in mana_config.php cannot be found');
+            return;
+        }
+        else
+        {
+            // reset current maps
+            $this->attributesets = array();
+
+            // load and parse the xml file
+            $attributeset = simplexml_load_file($this->attributes_file);
+            foreach ($attributeset as $sks)
+            {
+                // loop through defined attributesets and attribute and build internal array
+
+                $ss = new Attributeset(
+                    strval($sks->attributes()->name)
+                );
+
+                foreach($sks as $attribute)
+                {
+                    $s = new Attribute(
+                        intval($attribute->attributes()->id), // id
+                        strval($attribute->attributes()->name) // name
+                    );
+
+                    $ss->addAttribute($s);
+                }
+
+                $this->attributesets[$ss->getName()] = $ss;
+            }
+
+            $this->flushAttributesets();
+        }
+        log_message('debug', 'Reloading '. XML_ATTRIBUTES_FILE .' file ... done');
+    } // function loadAttributesFile
+
+
+    /**
+     * This function returns the date and time of the last modification to the
+     * local map cache as unix timestamp.
+     *
+     * @return (int) Time of the last modification as Unixtimestamp.
+     */
+    public function getAttributesCacheVersion()
+    {
+        return filemtime(Attributeprovider::ATTRIBUTES_STORAGE);
+    }
+
+
+    /**
+     * This function writes the memory structure stored in the private attributes
+     * variable to disk for faster access than reading XML_ATTRIBUTES_FILE on each
+     * request.
+     */
+    private function flushAttributesets()
+    {
+        $fp = fopen(Attributeprovider::ATTRIBUTES_STORAGE, "w");
+        fwrite($fp, serialize($this->attributesets));
+        fclose($fp);
+    }
+
+
+} // class Attributeprovider
+?>

system/application/models/attributes.php

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+<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+/*
+ *  The Mana Server Account Manager
+ *  Copyright 2008 The Mana Server Development Team
+ *
+ *  This file is part of The Mana Server.
+ *
+ *  The Mana Server  is free software; you can redistribute  it and/or modify it
+ *  under the terms of the GNU General  Public License as published by the Free
+ *  Software Foundation; either version 2 of the License, or any later version.
+ *
+ *  The Mana Server is  distributed in  the hope  that it  will be  useful, but
+ *  WITHOUT ANY WARRANTY; without even  the implied warranty of MERCHANTABILITY
+ *  or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ *  more details.
+ *
+ *  You should  have received a  copy of the  GNU General Public  License along
+ *  with The Mana Server; if not, write to the  Free Software Foundation, Inc.,
+ *  59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+/**
+ * The Model repesents a attributeset
+ *
+ * @ingroup models
+ */
+class Attributeset
+{
+    /**
+     * Unique name of the attributeset
+     */
+    private $name;
+
+    /**
+     * List of attributes that belong to the attributeset.
+     */
+    private $attributes;
+
+    /**
+     * Creates a new attributeset object.
+     *
+     * @param name (String) Name of the attributeset
+     */
+    public function __construct($name)
+    {
+        $this->name = $name;
+        $this->attributes = array();
+    }
+
+    /**
+     * Adds a attribute to this attributeset.
+     * @param (Attribute) $attribute The attribute to add.
+     */
+    public function addAttribute(Attribute $attribute)
+    {
+        $this->attributes[$attribute->getId()] = $attribute;
+    }
+
+    /**
+     * Returns the name of the attributeset.
+     * @return (String) Name of the attributeset
+     */
+    public function getName()
+    {
+        return $this->name;
+    }
+
+    /**
+     * Returns a list of attributes that belong to this attributeset.
+     * @return (Array) List of attributes.
+     */
+    public function getAttributes()
+    {
+        return $this->attributes;
+    }
+
+} // class Attributeset
+
+
+/**
+ * The Model repesents a specific attribute grouped in a attributeset
+ *
+ * @ingroup models
+ */
+class Attribute
+{
+    /**
+     * Unique id of the attribute.
+     */
+    private $id;
+
+    /**
+     * Name of the attribute.
+     */
+    private $name;
+
+    /**
+     * Creates a new attribute object.
+     *
+     * @param id   (int)    Unique id of the attribute
+     * @param name (String) Name of the attribute
+     * @param
+     */
+    public function __construct($id, $name)
+    {
+        $this->id   = $id;
+        $this->name = $name;
+    }
+
+    /**
+     * Returns the unique id of the attribute.
+     * @return (int) Unique id of the attribute.
+     */
+    public function getId()
+    {
+        return $this->id;
+    }
+
+    /**
+     * Returns the name of the attribute.
+     * @return (String) Name of the attribute.
+     */
+    public function getName()
+    {
+        return $this->name;
+    }
+} // class Attribute
+
+?>