<?php
    /**
     * @class  module
     * @author NHN (developers@xpressengine.com)
     * @brief high class of the module module
     **/

    class module extends ModuleObject {

        /**
         * @brief Implement if additional tasks are necessary when installing
         **/
        function moduleInstall() {
            // Register action forward (to use in administrator mode)
            $oModuleController = &getController('module');

            $oDB = &DB::getInstance();
            $oDB->addIndex("modules","idx_site_mid", array("site_srl","mid"), true);
			$oDB->addIndex('sites','unique_domain',array('domain'),true);
            // Create a directory to use in the module module
            FileHandler::makeDir('./files/cache/module_info');
            FileHandler::makeDir('./files/cache/triggers');
			FileHandler::makeDir('./files/ruleset');
            // Insert site information into the sites table
            $args->site_srl = 0;
            $output = $oDB->executeQuery('module.getSite', $args);
            if(!$output->data || !$output->data->index_module_srl) {
                $db_info = Context::getDBInfo();
                $domain = Context::getDefaultUrl();
                $url_info = parse_url($domain);
                $domain = $url_info['host'].( (!empty($url_info['port'])&&$url_info['port']!=80)?':'.$url_info['port']:'').$url_info['path'];
                $site_args->site_srl = 0;
                $site_args->index_module_srl  = 0;
                $site_args->domain = $domain;
                $site_args->default_language = $db_info->lang_type;

                $output = executeQuery('module.insertSite', $site_args);
                if(!$output->toBool()) return $output;
            }

            return new Object();
        }

        /**
         * @brief a method to check if successfully installed
         **/
        function checkUpdate() {
            $oDB = &DB::getInstance();
            // 2008. 10. 27 Add multi-index in the table, the module_part_config
            if(!$oDB->isIndexExists("module_part_config","idx_module_part_config")) return true;
            // 2008. 11. 13 Delete unique constraint on mid in modules. Add site_srl and then create unique index on site_srl and mid
            if(!$oDB->isIndexExists('modules',"idx_site_mid")) return true;
            // Move permissions/skin information of all modules to the table, grants.
            if($oDB->isColumnExists('modules', 'grants')) return true;
            // Move permissions/skin information of all modules to the table, grants.
            if(!$oDB->isColumnExists('sites', 'default_language')) return true;
            // Delete extra_vars* column
            for($i=1;$i<=20;$i++) {
                if($oDB->isColumnExists("documents","extra_vars".$i)) return true;
            }
            // Insert site information to the table, sites
            $args->site_srl = 0;
            $output = $oDB->executeQuery('module.getSite', $args);
            if(!$output->data) return true;

			// If domain index is defined on the table, sites
            if($oDB->isIndexExists('sites', 'idx_domain')) return true;
			if(!$oDB->isIndexExists('sites','unique_domain')) return true;

			if(!$oDB->isColumnExists("modules", "use_mobile")) return true;
			if(!$oDB->isColumnExists("modules", "mlayout_srl")) return true;
			if(!$oDB->isColumnExists("modules", "mcontent")) return true;
			if(!$oDB->isColumnExists("modules", "mskin")) return true;

			// check fix skin
			if(!$oDB->isColumnExists("modules", "is_skin_fix")) return true;
			
			if(!$oDB->isColumnExists("module_config", "site_srl")) return true;

			if(!is_dir('./files/ruleset')) return true;

            return false;
        }

        /**
         * @brief Execute update
         **/
        function moduleUpdate() {
            $oDB = &DB::getInstance();
            // 2008. 10. 27 module_part_config Add a multi-index to the table and check all information of module_configg
            if(!$oDB->isIndexExists("module_part_config","idx_module_part_config")) {
                $oModuleModel = &getModel('module');
                $oModuleController = &getController('module');
                $modules = $oModuleModel->getModuleList();
                foreach($modules as $key => $module_info) {
                    $module = $module_info->module;
                    if(!in_array($module, array('point','trackback','layout','rss','file','comment','editor'))) continue;
                    $config = $oModuleModel->getModuleConfig($module);

                    $module_config = null;
                    switch($module) {
                        case 'point' :
                                $module_config = $config->module_point;
                                unset($config->module_point);
                            break;
                        case 'trackback' :
                        case 'rss' :
                        case 'file' :
                        case 'comment' :
                        case 'editor' :
                                $module_config = $config->module_config;
                                unset($config->module_config);
                                if(is_array($module_config) && count($module_config)) {
                                    foreach($module_config as $key => $val) {
                                        if(isset($module_config[$key]->module_srl)) unset($module_config[$key]->module_srl);
                                    }
                                }
                            break;
                        case 'layout' :
                                $tmp = $config->header_script;
                                if(is_array($tmp) && count($tmp)) {
                                    foreach($tmp as $k => $v) {
                                        if(!$v && !trim($v)) continue;
                                        $module_config[$k]->header_script = $v;
                                    }
                                }
                                $config = null;
                            break;

                    }

                    $oModuleController->insertModuleConfig($module, $config);

                    if(is_array($module_config) && count($module_config)) {
                        foreach($module_config as $module_srl => $module_part_config) {
                            $oModuleController->insertModulePartConfig($module,$module_srl,$module_part_config);
                        }
                    }
                }
                $oDB->addIndex("module_part_config","idx_module_part_config", array("module","module_srl"));
            }
            // 2008. 11. 13 drop index(unique_mid). Add a column and index on site_srl and mid columns
            if(!$oDB->isIndexExists('modules',"idx_site_mid")) {
                $oDB->dropIndex("modules","unique_mid",true);
                $oDB->addColumn('modules','site_srl','number',11,0,true);
                $oDB->addIndex("modules","idx_site_mid", array("site_srl","mid"),true);
            }
            // document extra vars
            if(!$oDB->isTableExists('document_extra_vars')) $oDB->createTableByXmlFile('./modules/document/schemas/document_extra_vars.xml');

            if(!$oDB->isTableExists('document_extra_keys')) $oDB->createTableByXmlFile('./modules/document/schemas/document_extra_keys.xml');
            // Move permission, skin info, extection info, admin ID of all modules to the table, grants
            if($oDB->isColumnExists('modules', 'grants')) {
                $oModuleController = &getController('module');
                $oDocumentController = &getController('document');
                // Get a value of the current system language code
                $lang_code = Context::getLangType();
                // Get module_info of all modules
                $output = executeQueryArray('module.getModuleInfos');
                if(count($output->data)) {
                    foreach($output->data as $module_info) {
                        // Separate information about permission granted to the module, extra vars, skin vars, super-admin's authority
                        $module_srl = trim($module_info->module_srl);
                        // grant an authority
                        $grants = unserialize($module_info->grants);
                        if($grants) $oModuleController->insertModuleGrants($module_srl, $grants);
                        // Insert skin vars
                        $skin_vars = unserialize($module_info->skin_vars);
                        if($skin_vars) $oModuleController->insertModuleSkinVars($module_srl, $skin_vars);
                        // Insert super admin's ID
                        $admin_id = trim($module_info->admin_id);
                        if($admin_id && $admin_id != 'Array') {
                            $admin_ids = explode(',',$admin_id);
                            if(count($admin_id)) {
                                foreach($admin_ids as $admin_id) {
                                    $oModuleController->insertAdminId($module_srl, $admin_id);
                                }
                            }
                        }
                        // Save extra configurations for each module(column data which doesn't exist in the defaut modules)
                        $extra_vars = unserialize($module_info->extra_vars);
                        $document_extra_keys = null;
                        if($extra_vars->extra_vars && count($extra_vars->extra_vars)) {
                            $document_extra_keys = $extra_vars->extra_vars;
                            unset($extra_vars->extra_vars);
                        }
                        if($extra_vars) $oModuleController->insertModuleExtraVars($module_srl, $extra_vars);

                        /**
                         * Move document extra vars(it should have conducted in the documents module however extra vars in modules table should be listed up in this module)
                         **/
                        // Insert extra vars if planet module is
                        if($module_info->module == 'planet') {
                            if(!$document_extra_keys || !is_array($document_extra_keys)) $document_extra_keys = array();
                            $planet_extra_keys->name = 'postscript';
                            $planet_extra_keys->type = 'text';
                            $planet_extra_keys->is_required = 'N';
                            $planet_extra_keys->search = 'N';
                            $planet_extra_keys->default = '';
                            $planet_extra_keys->desc = '';
                            $document_extra_keys[20] = $planet_extra_keys;
                        }
                        // Register keys for document extra vars
                        if(count($document_extra_keys)) {
                            foreach($document_extra_keys as $var_idx => $val) {
                                $oDocumentController->insertDocumentExtraKey($module_srl, $var_idx, $val->name, $val->type, $val->is_required, $val->search, $val->default, $val->desc, 'extra_vars'.$var_idx);
                            }
                            // 2009-04-14 Fixed a bug that only 100 extra vars are moved
                            $oDocumentModel = &getModel('document');
                            $total_count = $oDocumentModel->getDocumentCount($module_srl);

                            if ($total_count > 0) {
                                $per_page = 100;
                                $total_pages = (int) (($total_count - 1) / $per_page) + 1;
                                // Get extra vars if exist
                                $doc_args = null;
                                $doc_args->module_srl = $module_srl;
                                $doc_args->list_count = $per_page;
                                $doc_args->sort_index = 'list_order';
                                $doc_args->order_type = 'asc';

                                for ($doc_args->page = 1; $doc_args->page <= $total_pages; $doc_args->page++) {
                                    $output = executeQueryArray('document.getDocumentList', $doc_args);

                                    if ($output->toBool() && $output->data && count($output->data)) {
                                        foreach ($output->data as $document) {
                                            if (!$document) continue;
                                            foreach ($document as $key => $var) {
                                                if (strpos($key, 'extra_vars') !== 0 || !trim($var) || $var == 'N;') continue;
                                                $var_idx = str_replace('extra_vars','',$key);
                                                $oDocumentController->insertDocumentExtraVar($module_srl, $document->document_srl, $var_idx, $var, 'extra_vars'.$var_idx, $lang_code);
                                            }
                                        }
                                    }
                                } // for total_pages
                            } // if count
                        }
                        // Additional variables of the module, remove
                        $module_info->grant = null;
                        $module_info->extra_vars = null;
                        $module_info->skin_vars = null;
                        $module_info->admin_id = null;
                        executeQuery('module.updateModule', $module_info);
                    }
                }
                // Various column drop
                $oDB->dropColumn('modules','grants');
                $oDB->dropColumn('modules','admin_id');
                $oDB->dropColumn('modules','skin_vars');
                $oDB->dropColumn('modules','extra_vars');
            }
            // Rights of all modules/skins transferring the information into a table Update grants
            if(!$oDB->isColumnExists('sites', 'default_language')) {
                $oDB->addColumn('sites','default_language','varchar',255,0,false);
            }
            // extra_vars * Remove Column
            for($i=1;$i<=20;$i++) {
                if(!$oDB->isColumnExists("documents","extra_vars".$i)) continue;
                $oDB->dropColumn('documents','extra_vars'.$i);
            }
            // Enter the main site information sites on the table
            $args->site_srl = 0;
            $output = $oDB->executeQuery('module.getSite', $args);
            if(!$output->data) {
                // Basic mid, language Wanted
                $mid_output = $oDB->executeQuery('module.getDefaultMidInfo', $args);
                $db_info = Context::getDBInfo();
                $domain = Context::getDefaultUrl();
                $url_info = parse_url($domain);
                $domain = $url_info['host'].( (!empty($url_info['port'])&&$url_info['port']!=80)?':'.$url_info['port']:'').$url_info['path'];
                $site_args->site_srl = 0;
                $site_args->index_module_srl  = $mid_output->data->module_srl;
                $site_args->domain = $domain;
                $site_args->default_language = $db_info->lang_type;

				$output = executeQuery('module.insertSite', $site_args);
				if(!$output->toBool()) return $output;
			}

            if($oDB->isIndexExists('sites','idx_domain')){
                $oDB->dropIndex('sites','idx_domain');
            }
            if(!$oDB->isIndexExists('sites','unique_domain')){
                $this->updateForUniqueSiteDomain();
                $oDB->addIndex('sites','unique_domain',array('domain'),true);
            }

			if(!$oDB->isColumnExists("modules", "use_mobile")) {
				$oDB->addColumn('modules','use_mobile','char',1,'N');
			}
			if(!$oDB->isColumnExists("modules", "mlayout_srl")) {
				$oDB->addColumn('modules','mlayout_srl','number',11, 0);
			}
			if(!$oDB->isColumnExists("modules", "mcontent")) {
				$oDB->addColumn('modules','mcontent','bigtext');
			}
			if(!$oDB->isColumnExists("modules", "mskin")) {
				$oDB->addColumn('modules','mskin','varchar',250);
			}
			if(!$oDB->isColumnExists("modules", "is_skin_fix")){
				$oDB->addColumn('modules', 'is_skin_fix', 'char', 1, 'N');
				$output = executeQueryArray('module.getAllSkinSetModule');
				if ($output->toBool() && $output->data){
					$module_srls = array();
					foreach($output->data as $val){
						$module_srls[] = $val->module_srl;
					}
					unset($args);
					$args->module_srls = implode(',', $module_srls);
					$args->is_skin_fix = 'Y';
					$output = executeQuery('module.updateSkinFixModules', $args);
				}
			}
			if(!$oDB->isColumnExists("module_config", "site_srl")){
				$oDB->addColumn('module_config', 'site_srl', 'number', 11, 0, true);
			}
			FileHandler::makeDir('./files/ruleset');
            return new Object(0, 'success_updated');
        }

        function updateForUniqueSiteDomain()
        {
            $output = executeQueryArray("module.getNonuniqueDomains");
            if(!$output->data) return;
            foreach($output->data as $data)
            {
                if($data->count == 1) continue;
                $domain = $data->domain;
                $args = null;
                $args->domain = $domain;
                $output2 = executeQueryArray("module.getSiteByDomain", $args);
                $bFirst = true;
                foreach($output2->data as $site)
                {
                    if($bFirst) 
                    {
                        $bFirst = false;
                        continue;
                    }
                    $domain .= "_";
                    $args = null;
                    $args->domain = $domain;
                    $args->site_srl = $site->site_srl;
                    $output3 = executeQuery("module.updateSite", $args);
                }
            }
        }

        /**
         * @brief Re-generate the cache file
         **/
        function recompileCache() {
			$oModuleModel = &getModel('module');
			$oModuleModel->getModuleList();
        }
    }
?>
