Source for file host.php

<?php
class midgard_admin_sitewizard_host {
 
    var $_host;
    var $_empty_style;
    var $_attachment_page;
    var $_sitegroup;
    
    var $name;
    var $port;
    var $prefix;
    var $root;
    var $owner;
    var $style;
    
    function midgard_admin_sitewizard_host($id = false, $sitegroup = 0) {
    
        if ($id) {
            $this->_host = mgd_get_host($id);
        } else {
            $this->_host = false;
        }
        
        $this->_empty_style = mgd_get_object_by_guid("3c92dd79d80e88fce424a324e1096580");
        $this->_attachment_page = mgd_get_object_by_guid('a93523b8d13b1190fc562ffdabe08f44');
 
        if ($sitegroup) {
            $this->_sitegroup = mgd_get_sitegroup($sitegroup);
            $this->owner = $sitegroup->admingroup;
        } else {
            $this->_sitegroup = 0;
            $this->owner = 0;
        }
        
        $this->name = "";
        $this->port = 0;
        $this->prefix = "";
        $this->root = null;
        $this->style = $this->_empty_style->id;
    
    }
    
    function create() {
        
        $this->_get_template_settings();
        $host = mgd_get_host();
        $host->name = $this->name;
        $host->port = $this->port;
        $host->prefix = $this->prefix;
        $host->owner = $this->owner;
        $host->style = $this->style;
        $host->root = $this->root;
        $host->online = true;
        $host->auth = false;
        
        if ($this->_check_against_overlap()) {
            $host_created = $host->create();
            if ($host_created) {
                $host = mgd_get_host($host_created);
            
                if ($this->_sitegroup != $_MIDGARD["sitegroup"]) {
                    $host->setsitegroup($this->_sitegroup->id);
                }
            
                $this->_create_attachment_host();
                return $host->id;
            }
        } else {
            return false;
        }
 
    }
    
    function _get_template_settings() {
    
        // Check for settings in the root page
        $root_page = mgd_get_page($this->root);
 
        // Allow application to define style
        // Needed for applications like OpenPSA
        $custom_style = $root_page->parameter("midgard.admin.sitewizard","custom_style");
        if ($custom_style) {
            $style = mgd_get_object_by_guid($custom_style);
            $this->style = $style->id;
        }
    
    }
    
    function _check_against_overlap() {
    
        $wizard_host = mgd_get_host($_MIDGARD["host"]);
        if ($this->name == $wizard_host->name && $this->prefix == $wizard_host->prefix) {
            return false;
        }
        
        // TODO: check for overlap with other Midgard hosts
        return true;
    }
    
    function _attachment_host_found() {
 
        // Check if attachment host exists
        $attachment_host_found = false;
        $hosts = mgd_list_hosts();
        if ($hosts) {
            while ($hosts->fetch()) {
                if ($hosts->name == $this->name && $hosts->prefix == "/attachment/".$this->_sitegroup->guid() && ($hosts->port == $this->port || $hosts->port == 0)) {
                    return true;
                }
            }
        }
        return false;
    
    }
    
    function _create_attachment_host() {
    
        if (!$this->_attachment_host_found()) {
            // Create Aegir-style attachment host
            // TODO: we will eventually be able to switch to Midgard's built-in attachment server
            $attachment_host = mgd_get_host();
            $attachment_host->name = $this->name;
            $attachment_host->port = $this->port;
            $attachment_host->prefix = "/attachment/".$this->_sitegroup->guid();
            $attachment_host->owner = $this->owner;
            $attachment_host->root = $this->_attachment_page->id;
            $attachment_host->style = $this->_empty_style->id;
            $attachment_host->online = true;
            $attachment_host->auth = false;
            $attachment_host_created = $attachment_host->create();
            if ($attachment_host_created) {
                $attachment_host = mgd_get_host($attachment_host_created);
 
                if ($this->_sitegroup != $_MIDGARD["sitegroup"]) {
                    $attachment_host->setsitegroup($this->_sitegroup->id);
                }
 
                return $attachment_host->id;
            }
        }
        
        return false;
    }
 
}
?>