moodle/backup/backup_check.html

<?php //$Id$
    //This page prints the backup todo list to see everything

    //Check login   
    require_login();

    if (!empty($course->id)) {
        if (!isteacheredit($course->id)) {
            if (empty($to)) {
                error("You need to be a teacher or admin user to use this page.", "$CFG->wwwroot/login/index.php");
            } else {
                if (!isteacheredit($to)) {
                    error("You need to be a teacher or admin user to use this page.", "$CFG->wwwroot/login/index.php");
                }
            }
        }
    } else {
        if (!isadmin()) {
            error("You need to be an admin user to use this page.", "$CFG->wwwroot/login/index.php");
        }
    }


    //Check site
    if (!$site = get_site()) {
        error("Site not found!");
    }

   //Checks for the required files/functions to backup every mod
    //And check if there is data about it
    $count = 0;
    if ($allmods = get_records("modules") ) {
        foreach ($allmods as $mod) {
            $modname = $mod->name;
            $modfile = "$CFG->dirroot/mod/$modname/backuplib.php";
            $modbackup = $modname."_backup_mods";
            $modcheckbackup = $modname."_check_backup_mods";
            if (file_exists($modfile)) {
               include_once($modfile);
               if (function_exists($modbackup) and function_exists($modcheckbackup)) {
                   $var = "exists_".$modname;
                   $$var = true;
                   $count++;
               }
            }
            //Check data
            //Check module info
            $var = "backup_".$modname;
            if (!isset($$var)) {
                $$var = 1;
            }
            //Check include user info
            $var = "backup_user_info_".$modname;
            if (!isset($$var)) {
                $$var = 1;
            }
        }
    }

    //Check other parameters
    if (!isset($backup_users)) {
        $backup_users = 1;
    }
   
    if (!isset($backup_logs)) {
        $backup_logs = 0;
    }

    if (!isset($backup_user_files)) {
        $backup_user_files = 1;
   }

    if (!isset($backup_course_files)) {
        $backup_course_files = 2;
    }

    if ($count == 0) {
        notice("No backupable modules are installed!");
    }
?>

<form name="form" method="post" action="<?php echo $ME ?>">
<table cellpadding="5">
<?php

    //Calculate the backup string

    //Calculate the backup word
    //Take off some characters in the filename !!
    $takeoff = array(" ", ":", "/", "\\", "|");
    $backup_word = str_replace($takeoff,"_",strtolower(get_string("backupfilename")));
    //If non-translated, use "backup"
    if (substr($backup_word,0,1) == "[") {
        $backup_word= "backup";
    }

    //Calculate the date format string
    $backup_date_format = str_replace(" ","_",get_string("backupnameformat"));
    //If non-translated, use "%Y%m%d-%H%M"
    if (substr($backup_date_format,0,1) == "[") {
        $backup_date_format = "%%Y%%m%%d-%%H%%M";
    }

    //Calculate the shortname
    $backup_shortname = clean_filename($course->shortname);
    if (empty($backup_shortname) or $backup_shortname == '_' ) {
        $backup_shortname = $course->id;
    }

    //Calculate the final backup filename
    //The backup word
    $backup_name = $backup_word."-";
    //The shortname
    $backup_name .= strtolower($backup_shortname)."-";
    //The date format
    $backup_name .= userdate(time(),$backup_date_format,99,false);
    //The extension
    $backup_name .= ".zip";
    //And finally, clean everything
    $backup_name = clean_filename($backup_name);

    //Calculate the backup unique code to allow simultaneus backups (to define
    //the temp-directory name and records in backup temp tables
    $backup_unique_code = time();
    //Add as hidden name
    echo "<input type=\"hidden\" name=\"backup_unique_code\" value=\"".$backup_unique_code."\">";

    if (empty($to)) {
        //Now print the Backup Name tr
        echo "<tr>";
        echo "<td align=\"right\"><P><B>";
        echo get_string("name").":";
        echo "</B></td><td>";
        //Add as text field
        echo "<input type=\"text\" name=\"backup_name\" size=\"40\" value=\"".$backup_name."\">";
        echo "</td></tr>";
    
        //Line
        echo "<tr><td colspan=\"2\"><hr noshade size=\"1\"></td></tr>";
        
        //Now print the To Do list
        echo "<tr>";    
        echo "<td colspan=\"2\" align=\"center\"><p><b>";

    } else {
        echo '<input type="hidden" name="backup_name" value="'.$backup_name.'" />';
    }


    //Here we check if backup_users = None. Then, we switch off every module
    //user info, user_files, logs and exercises and workshop backups. A Warning is showed to
    //inform the user.
    if ($backup_users == 2) {
        if ($allmods = get_records("modules") ) {
            foreach ($allmods as $mod) {
                $modname = $mod->name;
                $var = "backup_user_info_".$modname;
                if (isset($$var)) {
                    $$var = 0;
                }
                $var = "backup_".$modname;
                if (isset($$var)) {
                    if ($modname == "exercise" || $modname == "workshop") {
                        $$var = 0;
                    }
                }
            }
        $backup_user_files = 0;
        $backup_logs = 0;
        }
        print_simple_box("<font color=\"red\">".get_string("backupnoneusersinfo")."</font>","center", "70%", "$THEME->cellheading", "20", "noticebox");
        echo "<hr noshade size=\"1\">";
    }

    if (empty($to)) {
        echo get_string("backupdetails").":";
        echo "</td></tr>";
    }

    //This is tha align to every ingo table                
    $table->align = array ("left","right");

    if ($allmods = get_records("modules") ) {
        foreach ($allmods as $mod) {
            $modname = $mod->name;
            $modbackup = $modname."_backup_mods";
            //If exists the lib & function
            $var = "exists_".$modname;
            if (isset($$var) && $$var) {
                //Add hidden fields
                $var = "backup_".$modname;
                echo "<input type=\"hidden\" name=\"".$var."\" value=\"".$$var."\">";
                $var = "backup_user_info_".$modname;
                echo "<input type=\"hidden\" name=\"".$var."\" value=\"".$$var."\">";
                $var = "backup_".$modname;
                //Only if selected
                if ($$var == 1) {
                    //Print the full tr
                    echo "<tr>";
                    echo "<td colspan=\"2\"><p><b>";
                    //Print the mod name
                    echo "<li>".get_string("include")." ".get_string("modulenameplural",$modname)." ";
                    //Now look for user-data status
                    $backup_user_options[0] = get_string("withoutuserdata"); 
                    $backup_user_options[1] = get_string("withuserdata");
                    $var = "backup_user_info_".$modname;
                    //Print the user info
                    echo $backup_user_options[$$var]."<p>";
                    //Call the check function to show more info
                    $modcheckbackup = $modname."_check_backup_mods";
                    $table->data = $modcheckbackup($id,$$var,$backup_unique_code);
                    print_table($table); 
                    echo "</td></tr>";
                }
            }
        }
        
        if (empty($to)) {
            //Line
            echo "<tr><td colspan=\"2\"><hr noshade size=\"1\"></td></tr>";
            
            //Now print the Users tr
            echo "<tr>";
            echo "<td colspan=\"2\"><p><b>";
            $user_options[0] = get_string("includeallusers");
            $user_options[1] = get_string("includecourseusers");
            $user_options[2] = get_string("includenoneusers");
            echo "<li>".$user_options[$backup_users]."<p>";
            //Print info
            $table->data = user_check_backup($id,$backup_unique_code,$backup_users);  
            print_table($table); 
            echo "</td></tr>";
            
        }
        //Add as hidden name
        echo "<input type=\"hidden\" name=\"backup_users\" value=\"".$backup_users."\">";
        
        //Now print the Logs tr conditionally
        if ($backup_logs && empty($to)) {
            echo "<tr>";
            echo "<td colspan=\"2\"><p><b>";
            echo "<li>".get_string("includelogentries")."<p>";
            //Print info
            $table->data = log_check_backup($id);
            print_table($table);
            echo "</td></tr>";
        }
        //Add as hidden name
        echo "<input type=\"hidden\" name=\"backup_logs\" value=\"".$backup_logs."\">";

        //Now print the User Files tr conditionally
        if ($backup_user_files) {
            echo "<tr>";
            echo "<td colspan=\"2\"><p><b>";
            echo "<li>".get_string("includeuserfiles")."<p>";
            //Print info
            $table->data = user_files_check_backup($id,$backup_unique_code);
            print_table($table);
            echo "</td></tr>";
        }
        //Add as hidden name
        echo "<input type=\"hidden\" name=\"backup_user_files\" value=\"".$backup_user_files."\">";

        //Now print the Course Files tr conditionally
       if ($backup_course_files) {
            echo "<tr>";
            echo "<td colspan=\"2\"><p><b>";
            echo "<li>".get_string("includecoursefiles")."<p>";
            //Print info
            $table->data = course_files_check_backup($id,$backup_unique_code);
            print_table($table);
            echo "</td></tr>";
        }
        //Add as hidden name
        echo "<input type=\"hidden\" name=\"backup_course_files\" value=\"".$backup_course_files."\">";
    }
?>
</table>
<br />
<center>
<input type="hidden" name="to"     value="<?php p($to) ?>" />
<input type="hidden" name="id"     value="<?php  p($id) ?>" />
<input type="hidden" name="launch" value="execute" />
<input type="submit" value="<?php  print_string("continue") ?>" />
<input type="submit" name="cancel" value="<?php  print_string("cancel") ?>" />
</center>
</form>