return $info;
}
+ //This function read the xml file and store its data from the logs in
+ //backup_ids->info
+ function restore_read_xml_logs ($restore,$xml_file) {
+
+ //We call the main read_xml function, with todo = LOGS
+ $info = restore_read_xml ($xml_file,"LOGS",$restore);
+
+ return $info;
+ }
+
//This function prints the contents from the info parammeter passed
function restore_print_info ($info) {
}
//Get info from xml
if ($status) {
- //groups will contain the old_id of every scale
+ //groups will contain the old_id of every group
//in backup_ids->info will be the real info (serialized)
$groups = restore_read_xml_groups($restore,$xml_file);
}
return $status;
}
+ //This function creates all the structures for every log in backup file
+ //Depending what has been selected.
+ function restore_create_logs($restore,$xml_file) {
+
+ global $CFG,$db;
+
+ //Number of records to get in every chunk
+ $recordset_size = 4;
+ //Counter, points to current record
+ $counter = 0;
+ //To count all the recods to restore
+ $count_logs = 0;
+
+ $status = true;
+ //Check it exists
+ if (!file_exists($xml_file)) {
+ $status = false;
+ }
+ //Get info from xml
+ if ($status) {
+ //count_logs will contain the number of logs entries to process
+ //in backup_ids->info will be the real info (serialized)
+ $count_logs = restore_read_xml_logs($restore,$xml_file);
+ }
+
+ //Now, if we have records in count_logs, we have to restore that logs
+ //from backup_ids. This piece of code makes calls to:
+ // - restore_log_course() if it's a course log
+ // - restore_log_user() if it's a user log
+ // - restore_log_module() if it's a module log.
+ //And all is segmented in chunks to allow large recordsets to be restored !!
+ if ($count_logs > 0) {
+ while ($counter < $count_logs) {
+ //Get a chunk of records
+ //Take old_id twice to avoid adodb limitation
+ $logs = get_records_select("backup_ids","table_name = 'log' AND backup_code = '$restore->backup_unique_code'","old_id","old_id,old_id",$counter,$recordset_size);
+ //We have logs
+ if ($logs) {
+ //Iterate
+ foreach ($logs as $log) {
+ //Get the full record from backup_ids
+ $data = backup_getid($restore->backup_unique_code,"log",$log->old_id);
+ if ($data) {
+ //Now get completed xmlized object
+ $info = $data->info;
+ //traverse_xmlize($info); //Debug
+ //print_object ($GLOBALS['traverse_array']); //Debug
+ //$GLOBALS['traverse_array']=""; //Debug
+ //Now build the LOG record structure
+ $dblog->time = backup_todb($info['LOG']['#']['TIME']['0']['#']);
+ $dblog->userid = backup_todb($info['LOG']['#']['USERID']['0']['#']);
+ $dblog->ip = backup_todb($info['LOG']['#']['IP']['0']['#']);
+ $dblog->course = $restore->course_id;
+ $dblog->module = backup_todb($info['LOG']['#']['MODULE']['0']['#']);
+ $dblog->cmid = backup_todb($info['LOG']['#']['CMID']['0']['#']);
+ $dblog->action = backup_todb($info['LOG']['#']['ACTION']['0']['#']);
+ $dblog->url = backup_todb($info['LOG']['#']['URL']['0']['#']);
+ $dblog->info = backup_todb($info['LOG']['#']['INFO']['0']['#']);
+ //We have to recode the userid field
+ $user = backup_getid($restore->backup_unique_code,"user",$dblog->userid);
+ if ($user) {
+ //echo "User ".$dblog->userid." to user ".$user->new_id."<br>"; //Debug
+ $dblog->userid = $user->new_id;
+ }
+ //We have to recode the cmid field (if module isn't "course" or "user")
+ if ($dblog->module != "course" and $dblog->module != "user") {
+ $cm = backup_getid($restore->backup_unique_code,"course_modules",$dblog->cmid);
+ if ($cm) {
+ //echo "Module ".$dblog->cmid." to module ".$cm->new_id."<br>"; //Debug
+ $dblog->cmid = $cm->new_id;
+ }
+ }
+ //print_object ($dblog); //Debug
+ //Now, we redirect to the needed function to make all the work
+ if ($dblog->module == "course") {
+ //It's a course log,
+ $stat = restore_log_course($restore,$dblog);
+ } elseif ($dblog->module == "user") {
+ //It's a user log,
+ $stat = restore_log_user($restore,$dblog);
+ } else {
+ //It's a module log,
+ $stat = restore_log_module($restore,$dblog);
+ }
+ }
+
+ //Do some output
+ $counter++;
+ if ($counter % 10 == 0) {
+ echo ".";
+ if ($counter % 200 == 0) {
+ echo "<br>";
+ }
+ backup_flush(300);
+ }
+ }
+ } else {
+ //We never should arrive here
+ $counter = $count_logs;
+ $status = false;
+ }
+ }
+ }
+
+ return $status;
+ }
+
+ //This function inserts a course log record, calculating the URL field as necessary
+ function restore_log_course($restore,$log) {
+
+ $status = true;
+ $toinsert = false;
+
+ //echo "<hr>Before transformations<br>"; //Debug
+ //print_object($log); //Debug
+ //Depending of the action, we recode different things
+ switch ($log->action) {
+ case "view":
+ $log->url = "view.php?id=".$log->course;
+ $log->info = $log->course;
+ $toinsert = true;
+ break;
+ case "user report":
+ //recode the info field (it's the user id)
+ $user = backup_getid($restore->backup_unique_code,"user",$log->info);
+ if ($user) {
+ $log->info = $user->new_id;
+ //Now, extract the mode from the url field
+ $mode = substr(strrchr($log->url,"="),1);
+ $log->url = "user.php?id=".$log->course."&user=".$log->info."&mode=".$mode;
+ $toinsert = true;
+ }
+ break;
+ case "add mod":
+ //Extract the course_module from the url field
+ $cmid = substr(strrchr($log->url,"="),1);
+ //recode the course_module to see it it has been restored
+ $cm = backup_getid($restore->backup_unique_code,"course_modules",$cmid);
+ if ($cm) {
+ $cmid = $cm->new_id;
+ //Extract the module name and the module id from the info field
+ $modname = strtok($log->info," ");
+ $modid = strtok(" ");
+ //recode the module id to see if it has been restored
+ $mod = backup_getid($restore->backup_unique_code,$modname,$modid);
+ if ($mod) {
+ $modid = $mod->new_id;
+ //Now I have everything so reconstruct url and info
+ $log->info = $modname." ".$modid;
+ $log->url = "../mod/".$modname."/view.php?id=".$cmid;
+ $toinsert = true;
+ }
+ }
+ break;
+ case "update mod":
+ //Extract the course_module from the url field
+ $cmid = substr(strrchr($log->url,"="),1);
+ //recode the course_module to see it it has been restored
+ $cm = backup_getid($restore->backup_unique_code,"course_modules",$cmid);
+ if ($cm) {
+ $cmid = $cm->new_id;
+ //Extract the module name and the module id from the info field
+ $modname = strtok($log->info," ");
+ $modid = strtok(" ");
+ //recode the module id to see if it has been restored
+ $mod = backup_getid($restore->backup_unique_code,$modname,$modid);
+ if ($mod) {
+ $modid = $mod->new_id;
+ //Now I have everything so reconstruct url and info
+ $log->info = $modname." ".$modid;
+ $log->url = "../mod/".$modname."/view.php?id=".$cmid;
+ $toinsert = true;
+ }
+ }
+ break;
+ case "delete mod":
+ $log->url = "view.php?id=".$log->course;
+ $toinsert = true;
+ break;
+ case "update":
+ $log->url = "edit.php?id=".$log->course;
+ $log->info = "";
+ $toinsert = true;
+ break;
+ case "unenrol":
+ //recode the info field (it's the user id)
+ $user = backup_getid($restore->backup_unique_code,"user",$log->info);
+ if ($user) {
+ $log->info = $user->new_id;
+ $log->url = "view.php?id=".$log->course;
+ $toinsert = true;
+ }
+ break;
+ case "enrol":
+ //recode the info field (it's the user id)
+ $user = backup_getid($restore->backup_unique_code,"user",$log->info);
+ if ($user) {
+ $log->info = $user->new_id;
+ $log->url = "view.php?id=".$log->course;
+ $toinsert = true;
+ }
+ break;
+ case "editsection":
+ //Extract the course_section from the url field
+ $secid = substr(strrchr($log->url,"="),1);
+ //recode the course_section to see if it has been restored
+ $sec = backup_getid($restore->backup_unique_code,"course_sections",$secid);
+ if ($sec) {
+ $secid = $sec->new_id;
+ //Now I have everything so reconstruct url and info
+ $log->url = "editsection.php?id=".$secid;
+ $toinsert = true;
+ }
+ break;
+ case "new":
+ $log->url = "view.php?id=".$log->course;
+ $log->info = "";
+ $toinsert = true;
+ break;
+ default:
+ //echo "action (".$log->action.") unknow. Not restored<br>"; //Debug
+ break;
+ }
+
+ //echo "After transformations<br>"; //Debug
+ //print_object($log); //Debug
+
+ //Now if $toinsert is set, insert the record
+ if ($toinsert) {
+ //echo "Inserting record<br>"; //Debug
+ $status = insert_record("log",$log);
+ }
+ return $status;
+ }
+
+ //This function inserts a user log record, calculating the URL field as necessary
+ function restore_log_user($restore,$log) {
+
+ $status = true;
+ $toinsert = false;
+
+ //echo "<hr>Before transformations<br>"; //Debug
+ //print_object($log); //Debug
+ //Depending of the action, we recode different things
+ switch ($log->action) {
+ case "view":
+ //recode the info field (it's the user id)
+ $user = backup_getid($restore->backup_unique_code,"user",$log->info);
+ if ($user) {
+ $log->info = $user->new_id;
+ $log->url = "view.php?id=".$log->info."&course=".$log->course;
+ $toinsert = true;
+ }
+ break;
+ case "view all":
+ $log->url = "view.php?id=".$log->course;
+ $log->info = "";
+ $toinsert = true;
+ case "update":
+ //We split the url by ampersand char
+ $first_part = strtok($log->url,"&");
+ //Get data after the = char. It's the user being updated
+ $userid = substr(strrchr($first_part,"="),1);
+ //Recode the user
+ $user = backup_getid($restore->backup_unique_code,"user",$userid);
+ if ($user) {
+ $log->info = "";
+ $log->url = "view.php?id=".$user->new_id."&course=".$log->course;
+ $toinsert = true;
+ }
+ break;
+ default:
+ //echo "action (".$log->action.") unknow. Not restored<br>"; //Debug
+ break;
+ }
+
+ //echo "After transformations<br>"; //Debug
+ //print_object($log); //Debug
+
+ //Now if $toinsert is set, insert the record
+ if ($toinsert) {
+ //echo "Inserting record<br>"; //Debug
+ $status = insert_record("log",$log);
+ }
+ return $status;
+ }
+
+ //This function inserts a module log record, calculating the URL field as necessary
+ function restore_log_module($restore,$log) {
+
+ $status = true;
+
+ return $status;
+ }
+
//This function adjusts the instance field into course_modules. It's executed after
//modules restore. There, we KNOW the new instance id !!
function restore_check_instances($restore) {
}
}
+ //This is the startTag handler we use where we are reading the logs zone (todo="LOGS")
+ function startElementLogs($parser, $tagName, $attrs) {
+ //Refresh properties
+ $this->level++;
+ $this->tree[$this->level] = $tagName;
+
+ //if ($tagName == "LOG" && $this->tree[3] == "LOGS") { //Debug
+ // echo "<P>LOG: ".strftime ("%X",time()),"-"; //Debug
+ //} //Debug
+
+ //Output something to avoid browser timeouts...
+ backup_flush();
+
+ //Check if we are into LOGS zone
+ //if ($this->tree[3] == "LOGS") //Debug
+ // echo $this->level.str_repeat(" ",$this->level*2)."<".$tagName."><br>\n"; //Debug
+
+ //If we are under a LOG tag under a LOGS zone, accumule it
+ if (isset($this->tree[4]) and isset($this->tree[3])) {
+ if (($this->tree[4] == "LOG") and ($this->tree[3] == "LOGS")) {
+ if (!isset($this->temp)) {
+ $this->temp = "";
+ }
+ $this->temp .= "<".$tagName.">";
+ }
+ }
+ }
+
//This is the startTag default handler we use when todo is undefined
function startElement($parser, $tagName, $attrs) {
$this->level++;
$this->content = "";
}
+ //This is the endTag handler we use where we are reading the logs zone (todo="LOGS")
+ function endElementLogs($parser, $tagName) {
+ //Check if we are into LOGS zone
+ if ($this->tree[3] == "LOGS") {
+ //if (trim($this->content)) //Debug
+ // echo "C".str_repeat(" ",($this->level+2)*2).$this->getContents()."<br>\n"; //Debug
+ //echo $this->level.str_repeat(" ",$this->level*2)."</".$tagName."><br>\n"; //Debug
+ //Acumulate data to info (content + close tag)
+ //Reconvert: strip htmlchars again and trim to generate xml data
+ if (!isset($this->temp)) {
+ $this->temp = "";
+ }
+ $this->temp .= htmlspecialchars(trim($this->content))."</".$tagName.">";
+ //If we've finished a log, xmlize it an save to db
+ if (($this->level == 4) and ($tagName == "LOG")) {
+ //Prepend XML standard header to info gathered
+ $xml_data = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n".$this->temp;
+ //Call to xmlize for this portion of xml data (one LOG)
+ //echo "-XMLIZE: ".strftime ("%X",time()),"-"; //Debug
+ $data = xmlize($xml_data,0);
+ //echo strftime ("%X",time())."<p>"; //Debug
+ //traverse_xmlize($data); //Debug
+ //print_object ($GLOBALS['traverse_array']); //Debug
+ //$GLOBALS['traverse_array']=""; //Debug
+ //Now, save data to db. We'll use it later
+ //Get id and modtype from data
+ $log_id = $data["LOG"]["#"]["ID"]["0"]["#"];
+ $log_module = $data["LOG"]["#"]["MODULE"]["0"]["#"];
+ //We only save log entries from backup file if they are:
+ // - Course logs
+ // - User logs
+ // - Module logs about one restored module
+ if ($log_module == "course" or
+ $log_module == "user" or
+ $this->preferences->mods[$log_module]->restore) {
+ //Increment counter
+ $this->counter++;
+ //Save to db
+ $status = backup_putid($this->preferences->backup_unique_code,"log",$log_id,
+ null,$data);
+ //echo "<p>id: ".$mod_id."-".$mod_type." len.: ".strlen($sla_mod_temp)." to_db: ".$status."<p>"; //Debug
+ //Create returning info
+ $this->info = $this->counter;
+ }
+ //Reset temp
+ unset($this->temp);
+ }
+ }
+
+ //Stop parsing if todo = LOGS and tagName = LOGS (en of the tag, of course)
+ //Speed up a lot (avoid parse all)
+ if ($tagName == "LOGS" and $this->level == 3) {
+ $this->finished = true;
+ $this->counter = 0;
+
+ }
+
+ //Clear things
+ $this->tree[$this->level] = "";
+ $this->level--;
+ $this->content = "";
+ }
+
//This is the endTag default handler we use when todo is undefined
function endElement($parser, $tagName) {
if (trim($this->content)) //Debug
} else if ($todo == "MODULES") {
//Define handlers to that zone
xml_set_element_handler($xml_parser, "startElementModules", "endElementModules");
+ } else if ($todo == "LOGS") {
+ //Define handlers to that zone
+ xml_set_element_handler($xml_parser, "startElementLogs", "endElementLogs");
} else {
//Define default handlers (must no be invoked when everything become finished)
xml_set_element_handler($xml_parser, "startElementInfo", "endElementInfo");
projects / moodle.git / commitdiff