Source for file admin.php

<?php
 
class net_nemein_reservations_admin {
 
    var $_debug_prefix;
    
    var $_prefix;
    var $_config;
    var $_topic;
    var $_root_event;
    var $_root_group;
    var $_l10n;
    var $_l10n_midcom;
    var $_config_dm;
    var $_resource;
    var $_reservation;
    
    var $_mode;
    var $_auth;
 
    var $errcode;
    var $errstr;
    
    var $_local_toolbar;
    var $_topic_toolbar;
 
 
    function net_nemein_reservations_admin($topic, $config) {
        $this->_debug_prefix = "net.nemein.reservations admin::";
        
        $this->_prefix = $GLOBALS["midcom"]->get_context_data(MIDCOM_CONTEXT_ANCHORPREFIX);
        $this->_config = $config;
        $this->_topic = $topic;
        $this->_root_event = null;
        $this->_root_group = null;
        $this->_config_dm = null;
        $this->_mode = "";
        $this->_auth = null;
        
        $i18n =& $GLOBALS["midcom"]->get_service("i18n");
        $this->_l10n = $i18n->get_l10n("net.nemein.reservations");
        $this->_l10n_midcom = $i18n->get_l10n("midcom");
        $this->errcode = MIDCOM_ERROK;
        $this->errstr = "";
        
        $this->_local_toolbar =& $GLOBALS['midcom_admin_content_toolbar_component'];
        $this->_topic_toolbar =& $GLOBALS['midcom_admin_content_toolbar_main'];
        
        $this->_check_root_event();
        $this->_check_root_group();
        $this->_prepare_config_dm();
    }
 
 
    function can_handle($argc, $argv) {
        $GLOBALS["midcom"]->set_custom_context_data("configuration", $this->_config);
        $GLOBALS["midcom"]->set_custom_context_data("configuration_dm", $this->_config_dm);
        $GLOBALS["midcom"]->set_custom_context_data("root_group", $this->_root_group);
        $GLOBALS["midcom"]->set_custom_context_data("root_event", $this->_root_event);
        $GLOBALS["midcom"]->set_custom_context_data("l10n", $this->_l10n);
        $GLOBALS["midcom"]->set_custom_context_data("l10n_midcom", $this->_l10n_midcom);
        $GLOBALS["midcom"]->set_custom_context_data("errstr", $this->errstr);
        $GLOBALS["midcom"]->set_custom_context_data("auth", $this->_auth);
        $GLOBALS["midcom"]->set_custom_context_data("resource", $this->_resource);
        $GLOBALS["midcom"]->set_custom_context_data("reservation", $this->_reservation);
        
        $this->_auth = new net_nemein_reservations_auth();
        
        if ($argc == 0)
            return TRUE;
        
        switch ($argv[0]) {
            case "config":
                return ($argc == 1); /* config.html */
            case "resource":
                if ($argc < 2)
                    return false;
                switch ($argv[1]) {
                    case "create": /* resource/config.html */
                        return ($argc == 2);
                    case "view": /* resource/(view|edit|delete)/$id.html */
                    case "edit":
                    case "delete":
                        return ($argc == 3);
                }
                break;
            case "reservation":
                switch ($argv[1]) {
                    case "maintain": /* reservation/maintain.html */
                        return ($argc == 2);
                    case "approve": /* reservation/(...)/$id.html */
                    case "reject":
                    case "edit":
                    case "delete":
                    case "view":
                        return ($argc == 3);
                }
                break;
        }
        return false;
    }
 
 
    function handle($argc, $argv) {
        debug_push($this->_debug_prefix . "handle");
                
        if (! $this->_root_event) {
            $msg = sprintf($this->_l10n->get("failed to open root event %s: %s"),
                           $this->_config->get("root_event_guid"),
                           mgd_errstr());
            debug_add ("Root event undefined, last midgard error was: " . mgd_errstr());
            $GLOBALS["view_contentmgr"]->msg .= "$msg<br>\n";
        }
        
        $this->_prep_toolbar();
        
        debug_pop();
        
        if ($argc == 0) {
            return $this->_init_welcome();
        }
        
 
        switch($argv[0]){
            case "config":
                $this->_auth->check_is_admin();
                return $this->_init_config();
                
            case "resource":
                switch ($argv[1]) {
                    case "create":
                        $this->_auth->check_is_admin();
                        return $this->_init_create_resource();
                    case "view":
                        return $this->_init_view_resource($argv[2]);
                    case "edit":
                        $this->_auth->check_is_admin();
                        return $this->_init_edit_resource($argv[2]);
                    case "delete":
                        $this->_auth->check_is_admin();
                        return $this->_init_delete_resource($argv[2]);
                }
                
            case "reservation":
                switch ($argv[1]) {
                    case "view":
                        return $this->_init_view_reservation($argv[2]);
                    case "edit":
                        return $this->_init_edit_reservation($argv[2]);
                    case "delete":
                        return $this->_init_delete_reservation($argv[2]);
                    case "approve":
                        return $this->_init_approve_reservation($argv[2]);
                    case "reject":
                        return $this->_init_reject_reservation($argv[2]);
                    case "maintain":
                        return $this->_init_maintain_reservation();
                }
        }
        
        /* We should not get to this point */
        
        $this->errcode = MIDCOM_ERRCRIT;
        $this->errstr = "Method unknown";
        return false;
        
    }
 
    
    function show() {
        
        eval("\$this->_show_" . $this->_mode . "();");
        
        return TRUE;
    }
    
    function get_metadata() {
        return FALSE;
    }
    
    /******************* PAGE: Welcome ******************************/
 
    
    function _init_welcome() {
        debug_push($this->_debug_prefix . "_init_welcome");
        
        $this->_mode = "welcome";
        
        debug_pop();
        return true;
    }
    
    function _show_welcome() {
        midcom_show_style("admin-heading-welcome");
        $resources = net_nemein_reservations_resource::list_resources();
        foreach ($resources as $rouid => $resource) {
            $reservations = $resource->list_unapproved_reservations();
            if (count($reservations) == 0) {
                continue;
            }
            $this->_resource = $resource;
            midcom_show_style("admin-unapproved-start");
            foreach ($reservations as $resid => $reservation) {
                $this->_reservation = $reservation;
                midcom_show_style("admin-unapproved-item");
            }
            midcom_show_style("admin-unapproved-end");
        }
    }
    
    
    /******************* PAGE: Configuration ******************************/
 
    
    function _init_config() {
        debug_push($this->_debug_prefix . "_init_config");
        
        /* Configure toolbar */
        $this->_local_toolbar->add_item(Array(
            MIDCOM_TOOLBAR_URL => '',
            MIDCOM_TOOLBAR_LABEL => $this->_l10n->get('back to main'),
            MIDCOM_TOOLBAR_HELPTEXT => null,
            MIDCOM_TOOLBAR_ICON => 'stock-icons/16x16/folder.png',
            MIDCOM_TOOLBAR_ENABLED => true
        ));
        
        switch ($this->_config_dm->process_form()) {
            case MIDCOM_DATAMGR_EDITING:
            case MIDCOM_DATAMGR_SAVED:
            case MIDCOM_DATAMGR_CANCELLED:
                // We stay here whatever happens here, at least as long as
                // there is no fatal error.
                break;
            
            case MIDCOM_DATAMGR_FAILED:
                $this->errstr = "Datamanager: " . $GLOBALS["midcom_errstr"];
                $this->errcode = MIDCOM_ERRCRIT;
                debug_pop();
                return false;
        }
        
        $this->_mode = "config";
        
        debug_pop();
        return true;
    }
    
    function _show_config() {
        midcom_show_style("admin-config");
    }
    
    
    /******************* PAGE: View Reservation ******************************/
 
    
    function _init_view_reservation($id) {
        debug_push($this->_debug_prefix . "_init_view_reservation");
        
        $this->_reservation = new net_nemein_reservations_reservation($id);
        if (! $this->_reservation) {
            $this->errstr = "Could not load resource, see debug log.";
            $this->errcode = MIDCOM_ERRNOTFOUND;
            debug_pop();
            return false;
        }
        $this->_resource = $this->_reservation->resource;
        $GLOBALS["net_nemein_reservations_current_leaf"] = $this->_resource->person->id;
        
        /* Set toolbar */
        $this->_local_toolbar->add_item(Array(
            MIDCOM_TOOLBAR_URL => "resource/view/{$this->_resource->person->id}.html",
            MIDCOM_TOOLBAR_LABEL => $this->_l10n->get('view resource'),
            MIDCOM_TOOLBAR_HELPTEXT => null,
            MIDCOM_TOOLBAR_ICON => 'stock-icons/16x16/view.png',
            MIDCOM_TOOLBAR_ENABLED => true
        ));
        $this->_local_toolbar->add_item(Array(
            MIDCOM_TOOLBAR_URL => "reservation/edit/${id}.html",
            MIDCOM_TOOLBAR_LABEL => $this->_l10n->get('edit reservation'),
            MIDCOM_TOOLBAR_HELPTEXT => null,
            MIDCOM_TOOLBAR_ICON => 'stock-icons/16x16/edit.png',
            MIDCOM_TOOLBAR_ENABLED => true
        ));
        $this->_local_toolbar->add_item(Array(
            MIDCOM_TOOLBAR_URL => "reservation/delete/${id}.html",
            MIDCOM_TOOLBAR_LABEL => $this->_l10n->get('delete reservation'),
            MIDCOM_TOOLBAR_HELPTEXT => null,
            MIDCOM_TOOLBAR_ICON => 'stock-icons/16x16/trash.png',
            MIDCOM_TOOLBAR_ENABLED => true
        ));
        
        if ($this->_reservation->dm->data["approved"]["timestamp"] == 0) {
            $this->_local_toolbar->add_item(Array(
                MIDCOM_TOOLBAR_URL => "reservation/approve/${id}.html",
                MIDCOM_TOOLBAR_LABEL => $this->_l10n_midcom->get('approve'),
                MIDCOM_TOOLBAR_HELPTEXT => null,
                MIDCOM_TOOLBAR_ICON => 'stock-icons/16x16/approved.png',
                MIDCOM_TOOLBAR_ENABLED => true
            ));
            $this->_local_toolbar->add_item(Array(
                MIDCOM_TOOLBAR_URL => "reservation/reject/${id}.html",
                MIDCOM_TOOLBAR_LABEL => $this->_l10n->get('reject and delete'),
                MIDCOM_TOOLBAR_HELPTEXT => null,
                MIDCOM_TOOLBAR_ICON => 'stock-icons/16x16/not_approved.png',
                MIDCOM_TOOLBAR_ENABLED => true
            ));
        }
        
        $this->_mode = "view_reservation";
        
        debug_pop();
        return true;
    }
    
    function _show_view_reservation() {
        midcom_show_style("admin-heading-reservation-view");
        midcom_show_style("admin-dmview-reservation");
    }
    
    
    /******************* PAGE: Approve Reservation ******************************/
 
    
    function _init_approve_reservation($id) {
        debug_push($this->_debug_prefix . "_init_approve_reservation");
        
        $this->_reservation = new net_nemein_reservations_reservation($id);
        if (! $this->_reservation) {
            $this->errstr = "Could not load resource, see debug log.";
            $this->errcode = MIDCOM_ERRNOTFOUND;
            debug_pop();
            return false;
        }
        $this->_resource = $this->_reservation->resource;
        $GLOBALS["net_nemein_reservations_current_leaf"] = $this->_resource->person->id;
        
        /* Any error is set through the reservation class at this point. */
        $this->_reservation->approve();
        
        /* Set toolbar */
        /* Set toolbar */
        $this->_local_toolbar->add_item(Array(
            MIDCOM_TOOLBAR_URL => "resource/view/{$this->_resource->person->id}.html",
            MIDCOM_TOOLBAR_LABEL => $this->_l10n->get('view resource'),
            MIDCOM_TOOLBAR_HELPTEXT => null,
            MIDCOM_TOOLBAR_ICON => 'stock-icons/16x16/view.png',
            MIDCOM_TOOLBAR_ENABLED => true
        ));
        $this->_local_toolbar->add_item(Array(
            MIDCOM_TOOLBAR_URL => "reservation/edit/${id}.html",
            MIDCOM_TOOLBAR_LABEL => $this->_l10n->get('edit reservation'),
            MIDCOM_TOOLBAR_HELPTEXT => null,
            MIDCOM_TOOLBAR_ICON => 'stock-icons/16x16/edit.png',
            MIDCOM_TOOLBAR_ENABLED => true
        ));
        $this->_local_toolbar->add_item(Array(
            MIDCOM_TOOLBAR_URL => "reservation/delete/${id}.html",
            MIDCOM_TOOLBAR_LABEL => $this->_l10n->get('delete reservation'),
            MIDCOM_TOOLBAR_HELPTEXT => null,
            MIDCOM_TOOLBAR_ICON => 'stock-icons/16x16/trash.png',
            MIDCOM_TOOLBAR_ENABLED => true
        ));
        
        if ($this->_reservation->dm->data["approved"]["timestamp"] == 0) {
            $this->_local_toolbar->add_item(Array(
                MIDCOM_TOOLBAR_URL => "reservation/approve/${id}.html",
                MIDCOM_TOOLBAR_LABEL => $this->_l10n_midcom->get('approve'),
                MIDCOM_TOOLBAR_HELPTEXT => null,
                MIDCOM_TOOLBAR_ICON => 'stock-icons/16x16/approved.png',
                MIDCOM_TOOLBAR_ENABLED => true
            ));
            $this->_local_toolbar->add_item(Array(
                MIDCOM_TOOLBAR_URL => "reservation/reject/${id}.html",
                MIDCOM_TOOLBAR_LABEL => $this->_l10n->get('reject and delete'),
                MIDCOM_TOOLBAR_HELPTEXT => null,
                MIDCOM_TOOLBAR_ICON => 'stock-icons/16x16/not_approved.png',
                MIDCOM_TOOLBAR_ENABLED => true
            ));
        }
        
        $this->_mode = "view_reservation";
        
        debug_pop();
        return true;
    }
    
    /******************* PAGE: Approve Reservation ******************************/
 
    
    function _init_reject_reservation($id) {
        debug_push($this->_debug_prefix . "_init_reject_reservation");
        
        $this->_reservation = new net_nemein_reservations_reservation($id);
        if (! $this->_reservation) {
            $this->errstr = "Could not load resource, see debug log.";
            $this->errcode = MIDCOM_ERRNOTFOUND;
            debug_pop();
            return false;
        }
        $this->_resource = $this->_reservation->resource;
        $GLOBALS["net_nemein_reservations_current_leaf"] = $this->_resource->person->id;
        
        /* Any error is set through the reservation class at this point. */
        if ($this->_reservation->reject_and_delete()) {
            /* Success */
            $this->_relocate("resource/view/{$this->_resource->person->id}.html");
        }
        
        $this->errstr = "Rejection of the reseravtion failed. See debug log.";
        $this->errcode = MIDCOM_ERRCRIT;
        debug_pop();
        return false;
    }
    
    /******************* PAGE: Edit Reservation ******************************/
 
    
    function _init_edit_reservation($id) {
        debug_push($this->_debug_prefix . "_init_edit_reservation");
        
        $this->_reservation = new net_nemein_reservations_reservation($id);
        if (! $this->_reservation) {
            $this->errstr = "Could not load resource, see debug log.";
 
            $this->errcode = MIDCOM_ERRNOTFOUND;
            debug_pop();
            return false;
        }
        $this->_resource = $this->_reservation->resource;
        $GLOBALS["net_nemein_reservations_current_leaf"] = $this->_resource->person->id;
        
        /* Set toolbar */
        $this->_local_toolbar->disable_view_page();
        
        /* Process form */
        switch ($this->_reservation->dm->process_form()) {
            case MIDCOM_DATAMGR_EDITING:
                debug_add("We are still editing.");
                break;
            
            case MIDCOM_DATAMGR_SAVED:
            case MIDCOM_DATAMGR_CANCELLED:
                debug_add("Datamanger has saved or cancelled, return to view.");
                $this->_relocate("reservation/view/{$this->_reservation->event->id}.html");
                /* This will exit() */
            
            case MIDCOM_DATAMGR_FAILED:
                debug_add("The DM failed critically, see above.");
                $this->errstr = "The Datamanger failed to process the request, see the Debug Log for details";
                $this->errcode = MIDCOM_ERRCRIT;
                debug_pop();
                return false;
            
            default:
                $this->errcode = MIDCOM_ERRCRIT;
                $this->errstr = "Method unknown";
                debug_pop();
                return false;
        }
        
        $this->_mode = "edit_reservation";
        
        debug_pop();
        return true;
    }
    
    function _show_edit_reservation() {
        midcom_show_style("admin-heading-reservation-edit");
        midcom_show_style("admin-dmform-reservation");
    }
    
    
    /******************* PAGE: Delete Reservation ******************************/
 
    
    function _init_delete_reservation($id) {
        debug_push($this->_debug_prefix . "_init_delete_reservation");
        
        $this->_reservation = new net_nemein_reservations_reservation($id);
        if (! $this->_reservation) {
            $this->errstr = "Could not load resource, see debug log.";
            $this->errcode = MIDCOM_ERRNOTFOUND;
            debug_pop();
            return false;
        }
        $this->_resource = $this->_reservation->resource;
        $GLOBALS["net_nemein_reservations_current_leaf"] = $this->_resource->person->id;
        
        /* Set toolbar */
        /* Set toolbar */
        $this->_local_toolbar->add_item(Array(
            MIDCOM_TOOLBAR_URL => "resource/view/{$this->_resource->person->id}.html",
            MIDCOM_TOOLBAR_LABEL => $this->_l10n->get('view resource'),
            MIDCOM_TOOLBAR_HELPTEXT => null,
            MIDCOM_TOOLBAR_ICON => 'stock-icons/16x16/view.png',
            MIDCOM_TOOLBAR_ENABLED => true
        ));
        $this->_local_toolbar->add_item(Array(
            MIDCOM_TOOLBAR_URL => "reservation/view/${id}.html",
            MIDCOM_TOOLBAR_LABEL => $this->_l10n->get('view reservation'),
            MIDCOM_TOOLBAR_HELPTEXT => null,
            MIDCOM_TOOLBAR_ICON => 'stock-icons/16x16/view.png',
            MIDCOM_TOOLBAR_ENABLED => true
        ));
        $this->_local_toolbar->add_item(Array(
            MIDCOM_TOOLBAR_URL => "reservation/edit/${id}.html",
            MIDCOM_TOOLBAR_LABEL => $this->_l10n->get('edit reservation'),
            MIDCOM_TOOLBAR_HELPTEXT => null,
            MIDCOM_TOOLBAR_ICON => 'stock-icons/16x16/edit.png',
            MIDCOM_TOOLBAR_ENABLED => true
        ));
        
        if ($this->_reservation->dm->data["approved"]["timestamp"] == 0) {
            $this->_local_toolbar->add_item(Array(
                MIDCOM_TOOLBAR_URL => "reservation/approve/${id}.html",
                MIDCOM_TOOLBAR_LABEL => $this->_l10n_midcom->get('approve'),
                MIDCOM_TOOLBAR_HELPTEXT => null,
                MIDCOM_TOOLBAR_ICON => 'stock-icons/16x16/approved.png',
                MIDCOM_TOOLBAR_ENABLED => true
            ));
            $this->_local_toolbar->add_item(Array(
                MIDCOM_TOOLBAR_URL => "reservation/reject/${id}.html",
                MIDCOM_TOOLBAR_LABEL => $this->_l10n->get('reject and delete'),
                MIDCOM_TOOLBAR_HELPTEXT => null,
                MIDCOM_TOOLBAR_ICON => 'stock-icons/16x16/not_approved.png',
                MIDCOM_TOOLBAR_ENABLED => true
            ));
        }
        
        if (array_key_exists("ok", $_REQUEST) && $_REQUEST["ok"] == "yes") {
            if (! $this->_reservation->delete()) {
                $this->errstr = "Failed to delete the Resoruce, see the debug log for details.";
                $this->errcode = MIDCOM_ERRCRIT;
                return false;
            }
            $this->_relocate("resource/view/{$this->_resource->person->id}.html");
            /* This will exit() */
        }
        
        $this->_mode = "delete_reservation";
        
        debug_pop();
        return true;
    }
    
    function _show_delete_reservation() {
        midcom_show_style("admin-heading-reservation-delete");
        midcom_show_style("admin-dmview-reservation");
    }
    
    
    /******************* PAGE: View Resource ******************************/
 
    
    function _init_view_resource($id) {
        debug_push($this->_debug_prefix . "_init_view_resource");
        
        $this->_resource = new net_nemein_reservations_resource($id);
        if (! $this->_resource) {
            $this->errstr = "Could not load resource, see debug log.";
            $this->errcode = MIDCOM_ERRNOTFOUND;
            debug_pop();
            return false;
        }
        $GL