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Assignment MDL-7206 - download all submissions as a zip - finally pushing this into head.

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This commit is contained in:
Dan Marsden 2010-04-22 11:33:17 +00:00
parent 30ec6bc9ed
commit b37ce778c6
6 changed files with 195 additions and 2 deletions
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1
mod/assignment/lang/en/assignment.php
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@ -64,6 +64,7 @@ $string['coursemisconf'] = 'Course is misconfigured';
$string['deleteallsubmissions'] = 'Delete all submissions';
$string['deletefilefailed'] = 'Deleting of file failed.';
$string['description'] = 'Description';
$string['downloadall'] = 'Download all assignments as a zip';
$string['draft'] = 'Draft';
$string['duedate'] = 'Due date';
$string['duedateno'] = 'No due date';

44
mod/assignment/lib.php
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@ -1208,7 +1208,9 @@ class assignment_base {
echo $OUTPUT->heading(get_string('nosubmitusers','assignment'));
return true;
}
if ($this->assignment->assignmenttype=='upload' || $this->assignment->assignmenttype=='online' || $this->assignment->assignmenttype=='uploadsingle') {
echo '<div style="text-align:right"><a href="submissions.php?id='.$this->cm->id.'&amp;download=zip">'.get_string('downloadall', 'assignment').'</div>';
}
/// Construct the SQL
if ($where = $table->get_sql_where()) {
@ -3382,3 +3384,43 @@ function assignment_extend_settings_navigation(settings_navigation $settings, na
$assignmentinstance->extend_settings_navigation($assignmentnode);
}
}
/**
* generate zip file from array of given files
* @param array $filesforzipping - array of files to pass into archive_to_pathname
* @return path of temp file - note this returned file does not have a .zip extension - it is a temp file.
*/
function assignment_pack_files($filesforzipping) {
global $CFG;
//create path for new zip file.
$tempzip = tempnam($CFG->dataroot.'/temp/', 'assignment_');
//zip files
$zipper = new zip_packer();
if ($zipper->archive_to_pathname($filesforzipping, $tempzip)) {
return $tempzip;
}
return false;
}
//TODO - this is a copy of the function my_mktempdir in admin/uploadpicture.php - it would be good to have as a core function.
/**
* Create a unique temporary directory with a given prefix name,
* inside a given directory, with given permissions. Return the
* full path to the newly created temp directory.
*
* @param string $dir where to create the temp directory.
* @param string $prefix prefix for the temp directory name (default '')
* @param string $mode permissions for the temp directory (default 700)
*
* @return string The full path to the temp directory.
*/
function assignment_create_temp_dir($dir, $prefix='', $mode=0700) {
if (substr($dir, -1) != '/') {
$dir .= '/';
}
do {
$path = $dir.$prefix.mt_rand(0, 9999999);
} while (!mkdir($path, $mode));
return $path;
}

7
mod/assignment/submissions.php
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@ -6,6 +6,7 @@ require_once("lib.php");
$id = optional_param('id', 0, PARAM_INT); // Course module ID
$a = optional_param('a', 0, PARAM_INT); // Assignment ID
$mode = optional_param('mode', 'all', PARAM_ALPHA); // What mode are we in?
$download = optional_param('download' , 'none', PARAM_ALPHA); //ZIP download asked for?
$url = new moodle_url('/mod/assignment/submissions.php');
if ($id) {
@ -49,4 +50,8 @@ require($CFG->dirroot.'/mod/assignment/type/'.$assignment->assignmenttype.'/assi
$assignmentclass = 'assignment_'.$assignment->assignmenttype;
$assignmentinstance = new $assignmentclass($cm->id, $assignment, $cm, $course);
$assignmentinstance->submissions($mode); // Display or process the submissions
if($download == "zip") {
$assignmentinstance->download_submissions();
} else {
$assignmentinstance->submissions($mode); // Display or process the submissions
}

45
mod/assignment/type/online/assignment.class.php
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@ -384,6 +384,51 @@ class assignment_online extends assignment_base {
session_get_instance()->write_close(); // unlock session during fileserving
send_stored_file($file, 60*60, 0, true);
}
/**
* creates a zip of all assignment submissions and sends a zip to the browser
*/
public function download_submissions() {
global $CFG, $DB;
require_once($CFG->libdir.'/filelib.php');
$submissions = $this->get_submissions('','');
if (empty($submissions)) {
error("there are no submissions to download");
}
$filesforzipping = array();
$tempdir = assignment_create_temp_dir($CFG->dataroot."/temp/", "assignment".$this->assignment->id); //location for temp files.
//online assignment can use html
$filextn=".html";
$groupmode = groupmode($this->course,$this->cm);
$groupid = 0; // All users
$groupname = '';
if($groupmode) {
$group = get_current_group($this->course->id, true);
$groupid = $group->id;
$groupname = $group->name.'-';
}
$filename = str_replace(' ', '_', clean_filename($this->course->shortname.'-'.$this->assignment->name.'-'.$groupname.$this->assignment->id.".zip")); //name of new zip file.
foreach ($submissions as $submission) {
$a_userid = $submission->userid; //get userid
if ((groups_is_member($groupid,$a_userid)or !$groupmode or !$groupid)) {
$a_assignid = $submission->assignment; //get name of this assignment for use in the file names.
$a_user = $DB->get_record("user", array("id"=>$a_userid),'id,username,firstname,lastname'); //get user firstname/lastname
$submissioncontent = "<html><body>". $submission->data1. "</body></html>"; //fetched from database
//get file name.html
$fileforzipname = $a_user->username . "_" . clean_filename($this->assignment->name) . $filextn;
$fd = fopen($tempdir . $fileforzipname,'wb'); //create if not exist, write binary
fwrite( $fd, $submissioncontent);
fclose( $fd );
$filesforzipping[$fileforzipname] = $tempdir.$fileforzipname;
}
} //end of foreach
if ($zipfile = assignment_pack_files($filesforzipping)) {
remove_dir($tempdir); //remove old tempdir with individual files.
send_temp_file($zipfile, $filename); //send file and delete after sending.
}
}
}
class mod_assignment_online_edit_form extends moodleform {

50
mod/assignment/type/upload/assignment.class.php
View File

@ -1119,6 +1119,56 @@ class assignment_upload extends assignment_base {
$node->add(get_string('notes', 'assignment'), $link);
}
}
/**
* creates a zip of all assignment submissions and sends a zip to the browser
*/
public function download_submissions() {
global $CFG,$DB;
require_once($CFG->libdir.'/filelib.php');
$submissions = $this->get_submissions('','');
if (empty($submissions)) {
error("there are no submissions to download");
}
$filesforzipping = array();
$filenewname = clean_filename($this->assignment->name); //create prefix of individual files
$tempdir = assignment_create_temp_dir($CFG->dataroot."/temp/", "assignment".$this->assignment->id); //location for temp files.
$fs = get_file_storage();
$groupmode = groupmode($this->course,$this->cm);
$groupid = 0; // All users
$groupname = '';
if($groupmode) {
$group = get_current_group($this->course->id, true);
$groupid = $group->id;
$groupname = $group->name.'-';
}
$filename = str_replace(' ', '_', clean_filename($this->course->shortname.'-'.$this->assignment->name.'-'.$groupname.$this->assignment->id.".zip")); //name of new zip file.
foreach ($submissions as $submission) {
$a_userid = $submission->userid; //get userid
if ((groups_is_member($groupid,$a_userid)or !$groupmode or !$groupid)) {
$a_assignid = $submission->assignment; //get name of this assignment for use in the file names.
$a_user = $DB->get_record("user", array("id"=>$a_userid),'id,username,firstname,lastname'); //get user firstname/lastname
$files = $fs->get_area_files($this->context->id, 'assignment_submission', $a_userid, "timemodified", false);
foreach ($files as $file) {
//get files new name.
$fileforzipname = $a_user->username . "_" . $filenewname . "_" . $file->get_filename();
//get files old name
if (!$file->copy_content_to($tempdir . $fileforzipname)) {
error ("failed to copy file<br>" .$tempdir. $fileforzipname);
}
//save file name to array for zipping.
$filesforzipping[$fileforzipname] = $tempdir.$fileforzipname;
}
}
} // end of foreach loop
if ($zipfile = assignment_pack_files($filesforzipping)) {
remove_dir($tempdir); //remove old tempdir with individual files.
send_temp_file($zipfile, $filename); //send file and delete after sending.
}
}
}
class mod_assignment_upload_notes_form extends moodleform {

50
mod/assignment/type/uploadsingle/assignment.class.php
View File

@ -229,6 +229,56 @@ class assignment_uploadsingle extends assignment_base {
}
}
}
/**
* creates a zip of all assignment submissions and sends a zip to the browser
*/
function download_submissions() {
global $CFG,$DB;
require_once($CFG->libdir.'/filelib.php');
$submissions = $this->get_submissions('','');
if (empty($submissions)) {
error("there are no submissions to download");
}
$filesforzipping = array();
$filenewname = clean_filename($this->assignment->name); //create prefix of individual files
$tempdir = assignment_create_temp_dir($CFG->dataroot."/temp/", "assignment".$this->assignment->id); //location for temp files.
$fs = get_file_storage();
$groupmode = groupmode($this->course,$this->cm);
$groupid = 0; // All users
$groupname = '';
if($groupmode) {
$group = get_current_group($this->course->id, true);
$groupid = $group->id;
$groupname = $group->name.'-';
}
$filename = str_replace(' ', '_', clean_filename($this->course->shortname.'-'.$this->assignment->name.'-'.$groupname.$this->assignment->id.".zip")); //name of new zip file.
foreach ($submissions as $submission) {
$a_userid = $submission->userid; //get userid
if ((groups_is_member($groupid,$a_userid)or !$groupmode or !$groupid)) {
$a_assignid = $submission->assignment; //get name of this assignment for use in the file names.
$a_user = $DB->get_record("user", array("id"=>$a_userid),'id,username,firstname,lastname'); //get user firstname/lastname
$files = $fs->get_area_files($this->context->id, 'assignment_submission', $a_userid, "timemodified", false);
foreach ($files as $file) {
//get files new name.
$fileforzipname = $a_user->username . "_" . $filenewname . "_" . $file->get_filename();
//get files old name
if (!$file->copy_content_to($tempdir . $fileforzipname)) {
error ("failed to copy file<br>" .$tempdir. $fileforzipname);
}
//save file name to array for zipping.
$filesforzipping[$fileforzipname] = $tempdir.$fileforzipname;
}
}
} // End of foreach
if ($zipfile = assignment_pack_files($filesforzipping)) {
remove_dir($tempdir); //remove old tempdir with individual files.
send_temp_file($zipfile, $filename); //send file and delete after sending.
}
}
}