From: toyomoyo <toyomoyo>
Date: Tue, 15 May 2007 08:49:49 +0000 (+0000)
Subject: fixing grade exports
X-Git-Url: http://git.mjollnir.org/gw?a=commitdiff_plain;h=a2422359a0b61498b956937778169cfedfcaea96;p=moodle.git

fixing grade exports
---

diff --git a/grade/export/lib.php b/grade/export/lib.php
index 7514302935..2b08ad0258 100755
--- a/grade/export/lib.php
+++ b/grade/export/lib.php
@@ -24,6 +24,7 @@
 ///////////////////////////////////////////////////////////////////////////
 include_once('../../../config.php');
 include_once($CFG->dirroot.'/lib/gradelib.php');
+include_once($CFG->dirroot.'/grade/lib.php');
 /**
  * Prints all grade items for selection
  * @input int id - course id
@@ -46,6 +47,8 @@ function print_gradeitem_selections($id) {
                 echo $grade_item->itemname;
             } 
         }
+        echo '<input type="hidden" name="id" value="'.$id.'"/>';
+        echo '<input type="hidden" name="sesskey" value="'.sesskey().'"/>';
         echo '<input type="submit" value="'.get_string('submit').'" />';
         echo '</div>';
         echo '</form>';
@@ -66,6 +69,7 @@ class grade_export {
     var $columns = array();     // Accumulate column names in this array.
     var $columnhtml = array();  // Accumulate column html in this array. 
     var $columnidnumbers = array(); // Collect all gradeitem id numbers
+    var $students = array();
     var $course; // course
     
     // common strings
@@ -110,13 +114,13 @@ class grade_export {
         }
 
         if ($currentgroup) {
-            $students = get_group_students($currentgroup, "u.lastname ASC");
+            $this->students = get_group_students($currentgroup, "u.lastname ASC");
         } else {
-            $students = grade_get_course_students($course->id);
+            $this->students = grade_get_course_students($course->id);
         }
 
-        if (!empty($students)) {
-            foreach ($students as $student) {
+        if (!empty($this->students)) {
+            foreach ($this->students as $student) {
                 $this->grades[$student->id] = array();    // Collect all grades in this array
                 $this->gradeshtml[$student->id] = array(); // Collect all grades html formatted in this array
                 $this->totals[$student->id] = array();    // Collect all totals in this array
@@ -133,14 +137,13 @@ class grade_export {
         } else {
             // else we get all items for this course
             $gradeitems = grade_get_items($this->id);
-        }
-        
+        }        
         
         if ($gradeitems) {
             
             foreach ($gradeitems as $gradeitem) {
 
-                $this->columns[] = "$gradeitem->itemmodule: ".format_string($gradeitem->itemname,true)." - $gradeitem->maxgrade";
+                $this->columns[] = "$gradeitem->itemmodule: ".format_string($gradeitem->itemname,true)." - $gradeitem->grademax";
                 $this->columnidnumbers[] = $gradeitem->idnumber; // this might be needed for some export plugins  
             
                 if (!empty($gradeitem->maxgrade)) {
@@ -150,24 +153,24 @@ class grade_export {
                 } 
             
                 // load as an array of grade_final objects
-                if ($itemgrades = $gradeitem -> load_final()) {             
+                if ($itemgrades = $gradeitem -> load_final()) {
                 
-                    if (!empty($students)) {                    
-                        foreach ($students as $student) {
+                    if (!empty($this->students)) {                    
+                        foreach ($this->students as $student) {
                       
                             // add support for comment here MDL-9634
                             $studentgrade = $itemgrades[$student->id];            
                             
                             if (!empty($studentgrade->gradevalue)) {
-                                $this->grades[$student->id][] = $currentstudentgrade = $studentgrade->gradevalue;
+                                $this->grades[$student->id][$itemgrades->id] = $currentstudentgrade = $studentgrade->gradevalue;
                             } else {
                                 $this->grades[$student->id][] = $currentstudentgrade = "";
-                                $this->gradeshtml[$student->id][] = "";
+                                $this->gradeshtml[$student->id][$itemgrades->id] = "";
                             }
                             if (!empty($maxgrade)) {
-                                $this->totals[$student->id] = (float)($totals[$student->id]) + (float)($currentstudentgrade);
+                                $this->totals[$student->id] = (float)($this->totals[$student->id]) + (float)($currentstudentgrade);
                             } else {
-                                $this->totals[$student->id] = (float)($totals[$student->id]) + 0;
+                                $this->totals[$student->id] = (float)($this->totals[$student->id]) + 0;
                             }
                             
                             // load comments here
@@ -176,9 +179,9 @@ class grade_export {
                             $comment = $studentgrade->grade_grades_text->feedback;
                             
                             if (!empty($comment)) {
-                                $this->comments[$student->id][] = $comment;
+                                $this->comments[$student->id][$itemgrades->id] = $comment;
                             } else {
-                                $this->comments[$student->id][] = '';  
+                                $this->comments[$student->id][$itemgrades->id] = '';  
                             }
                         }
                     }
diff --git a/grade/export/ods/grade_export_ods.php b/grade/export/ods/grade_export_ods.php
index c8853184b9..7362f2e2f9 100755
--- a/grade/export/ods/grade_export_ods.php
+++ b/grade/export/ods/grade_export_ods.php
@@ -33,10 +33,19 @@ class grade_export_ods extends grade_export {
      */
     function print_grades($feedback = false) { 
         
-        require_once($CFG->dirroot.'/lib/odslib.class.php');
+        global $CFG; 
 
+        require_once($CFG->dirroot.'/lib/odslib.class.php');
+        
+        /// Whether this plugin is entitled to update export time
+        if ($expplugins = explode(",", $CFG->gradeexport)) {
+            if (in_array($this->format, $expplugins)) {
+                $export = true;
+            }
+        }
+   
     /// Calculate file name
-        $downloadfilename = clean_filename("$course->shortname $this->strgrades.ods");
+        $downloadfilename = clean_filename("{$this->course->shortname} $this->strgrades.ods");
     /// Creating a workbook
         $workbook = new MoodleODSWorkbook("-");
     /// Sending HTTP headers
@@ -67,7 +76,7 @@ class grade_export_ods extends grade_export {
         if (!empty($this->grades)) {
             foreach ($this->grades as $studentid => $studentgrades) {
                 $i++;
-                $student = $students[$studentid];
+                $student = $this->students[$studentid];
                 if (empty($this->totals[$student->id])) {
                     $this->totals[$student->id] = '';
                 }
@@ -95,21 +104,15 @@ class grade_export_ods extends grade_export {
                     /// if export flag needs to be set
                     /// construct the grade_grades_final object and update timestamp if CFG flag is set
                 
-                    if ($expplugins = explode(",", get_config($CFG->gradeexport))) {
-                        if (in_array($this->format, $expplugins)) {
-                            $params->idnumber = $this->idnumber;
-                            // get the grade item
-                            $gradeitem = new grade_item($params);
-                
-                            unset($params);
-                            $params->itemid = $gradeitem->id;
-                            $params->userid = $studentid;
+                    if ($export) {
+                        unset($params);
+                        $params->itemid = $gradeitemid;
+                        $params->userid = $studentid;
                 
-                            $grade_grades_final = new grade_grades_final($params);
-                            $grade_grades_final->exported = time();
-                            // update the time stamp;
-                            $grade_grades_final->update();
-                        }
+                        $grade_grades_final = new grade_grades_final($params);
+                        $grade_grades_final->exported = time();
+                        // update the time stamp;
+                        $grade_grades_final->update();
                     }
                 }
                 $myxls->write_number($i,$j,$this->totals[$student->id]);
diff --git a/grade/export/txt/grade_export_txt.php b/grade/export/txt/grade_export_txt.php
index 85f592eaf3..26e078a4bb 100755
--- a/grade/export/txt/grade_export_txt.php
+++ b/grade/export/txt/grade_export_txt.php
@@ -31,12 +31,20 @@ class grade_export_txt extends grade_export {
     /**
      * To be implemented by child classes
      */
-    function print_grades($feedback = false) { 
-        
-/// Print header to force download
+    function print_grades($feedback = false) {        
+
         global $CFG;
+
+        /// Whether this plugin is entitled to update export time
+        if ($expplugins = explode(",", $CFG->gradeexport)) {
+            if (in_array($this->format, $expplugins)) {
+                $export = true;
+            }
+        }
+        
+        /// Print header to force download        
         header("Content-Type: application/download\n"); 
-        $downloadfilename = clean_filename("$this->course->shortname $this->strgrades");
+        $downloadfilename = clean_filename("{$this->course->shortname} $this->strgrades");
         header("Content-Disposition: attachment; filename=\"$downloadfilename.txt\"");
 
 /// Print names of all the fields
@@ -60,12 +68,14 @@ class grade_export_txt extends grade_export {
     
 /// Print all the lines of data.
         foreach ($this->grades as $studentid => $studentgrades) {
-            $student = $students[$studentid];
+          
+            $student = $this->students[$studentid];
             if (empty($this->totals[$student->id])) {
                 $this->totals[$student->id] = '';
             }
             echo "$student->firstname\t$student->lastname\t$student->idnumber\t$student->institution\t$student->department\t$student->email";
-            foreach ($studentgrades as $grade) {
+
+            foreach ($studentgrades as $gradeitemid => $grade) {
                 $grade = strip_tags($grade);
                 echo "\t$grade";            
                 
@@ -75,22 +85,16 @@ class grade_export_txt extends grade_export {
                 
                 /// if export flag needs to be set
                 /// construct the grade_grades_final object and update timestamp if CFG flag is set
+
+                if ($export) {
+                    unset($params);
+                    $params->itemid = $gradeitemid;
+                    $params->userid = $studentid;
                 
-                if ($expplugins = explode(",", get_config($CFG->gradeexport))) {
-                    if (in_array($this->format, $expplugins)) {
-                        $params->idnumber = $this->idnumber;
-                        // get the grade item
-                        $gradeitem = new grade_item($params);
-                
-                        unset($params);
-                        $params->itemid = $gradeitem->id;
-                        $params->userid = $studentid;
-                
-                        $grade_grades_final = new grade_grades_final($params);
-                        $grade_grades_final->exported = time();
-                        // update the time stamp;
-                        $grade_grades_final->update();
-                    }
+                    $grade_grades_final = new grade_grades_final($params);
+                    $grade_grades_final->exported = time();
+                    // update the time stamp;
+                    $grade_grades_final->update();
                 }
             }
             echo "\t".$this->totals[$student->id];
diff --git a/grade/export/xls/grade_export_xls.php b/grade/export/xls/grade_export_xls.php
index 70860c986f..4f405e4317 100755
--- a/grade/export/xls/grade_export_xls.php
+++ b/grade/export/xls/grade_export_xls.php
@@ -35,10 +35,17 @@ class grade_export_xls extends grade_export {
         
         global $CFG; 
         
+        /// Whether this plugin is entitled to update export time
+        if ($expplugins = explode(",", $CFG->gradeexport)) {
+            if (in_array($this->format, $expplugins)) {
+                $export = true;
+            }
+        }
+        
         require_once($CFG->dirroot.'/lib/excellib.class.php');
 
     /// Calculate file name
-        $downloadfilename = clean_filename("$this->course->shortname $this->strgrades.xls");
+        $downloadfilename = clean_filename("{$this->course->shortname} $this->strgrades.xls");
     /// Creating a workbook
         $workbook = new MoodleExcelWorkbook("-");
     /// Sending HTTP headers
@@ -68,7 +75,7 @@ class grade_export_xls extends grade_export {
         if (!empty($this->grades)) {
             foreach ($this->grades as $studentid => $studentgrades) {
                 $i++;
-                $student = $students[$studentid];
+                $student = $this->students[$studentid];
                 if (empty($this->totals[$student->id])) {
                     $this->totals[$student->id] = '';
                 }
@@ -96,21 +103,15 @@ class grade_export_xls extends grade_export {
                     /// if export flag needs to be set
                     /// construct the grade_grades_final object and update timestamp if CFG flag is set
                 
-                    if ($expplugins = explode(",", get_config($CFG->gradeexport))) {
-                        if (in_array($this->format, $expplugins)) {
-                            $params->idnumber = $this->idnumber;
-                            // get the grade item
-                            $gradeitem = new grade_item($params);
-                
-                            unset($params);
-                            $params->itemid = $gradeitem->id;
-                            $params->userid = $studentid;
+                    if ($export) {
+                        unset($params);
+                        $params->itemid = $gradeitemid;
+                        $params->userid = $studentid;
                 
-                            $grade_grades_final = new grade_grades_final($params);
-                            $grade_grades_final->exported = time();
-                            // update the time stamp;
-                            $grade_grades_final->update();
-                        }
+                        $grade_grades_final = new grade_grades_final($params);
+                        $grade_grades_final->exported = time();
+                        // update the time stamp;
+                        $grade_grades_final->update();
                     }
                 }
                 $myxls->write_number($i,$j,$this->totals[$student->id]);
diff --git a/grade/export/xml/export.php b/grade/export/xml/export.php
new file mode 100755
index 0000000000..4db9b140c7
--- /dev/null
+++ b/grade/export/xml/export.php
@@ -0,0 +1,15 @@
+<?php
+
+require_once("../../../config.php");
+require_once($CFG->dirroot.'/grade/export/lib.php');
+require_once('grade_export_xml.php');
+ 
+$id = required_param('id', PARAM_INT); // course id
+$itemids = required_param('itemids', PARAM_NOTAGS);
+$feedback = optional_param('feedback', '', PARAM_ALPHA); 
+ 
+// print all the exported data here
+$export = new grade_export_xml($id, $itemids);
+$export->print_grades($feedback);
+    
+?>
\ No newline at end of file
diff --git a/grade/export/xml/grade_export_xml.php b/grade/export/xml/grade_export_xml.php
index e3e989171e..5859e098a1 100755
--- a/grade/export/xml/grade_export_xml.php
+++ b/grade/export/xml/grade_export_xml.php
@@ -33,19 +33,27 @@ class grade_export_xml extends grade_export {
      */
     function print_grades($feedback = false) { 
         
-        global $CFG; 
-        
+        global $CFG;
+
+        /// Whether this plugin is entitled to update export time
+        if ($expplugins = explode(",", $CFG->gradeexport)) {
+            if (in_array($this->format, $expplugins)) {
+                $export = true;
+            }
+        }
+               
         require_once($CFG->dirroot.'/lib/excellib.class.php');
 
         /// Calculate file name
-        $downloadfilename = clean_filename("$this->course->shortname $this->strgrades.xml");        
+        $downloadfilename = clean_filename("{$this->course->shortname} $this->strgrades.xml");        
 
         header("Content-type: text/xml; charset=UTF-8"); 
         header("Content-Disposition: attachment; filename=\"$downloadfilename\"");
         
         /// time stamp to ensure uniqueness of batch export
         echo '<results batch="xml_export_'.time().'">';
-        foreach ($this->$columnidnumbers as $index => $idnumber) {
+        
+        foreach ($this->columnidnumbers as $index => $idnumber) {
             
             // studentgrades[] index should match with corresponding $index 
             foreach ($this->grades as $studentid => $studentgrades) {
@@ -54,13 +62,13 @@ class grade_export_xml extends grade_export {
                 // state can be new, or regrade
                 // require comparing of timestamps in db
                 
-                $params->idnumber = $this->idnumber;
+                $params->idnumber = $idnumber;
                 // get the grade item
                 $gradeitem = new grade_item($params);
                 
                 // we are trying to figure out if this is a new grade, or a regraded grade
                 // only relevant if this grade for this user is already exported
-                if ($gradeitem->exported) {
+                if (!empty($gradeitem->exported)) {
                     
                     // get the grade_grades_final for this user
                     unset($params);
@@ -91,9 +99,14 @@ class grade_export_xml extends grade_export {
                     echo '<feedback>'.$this->comments[$studentid][$index].'</feedback>';  
 		        }
                 echo '</result>';
-                
-                // if flag is set, timestamp this
-            }           
+
+                // timestamp this if needed
+                if ($export) {
+                    $grade_grades_final->exported = time();
+                    // update the time stamp;
+                    $grade_grades_final->update();
+                }
+            }
         }
         echo '</results>';
         exit; 
diff --git a/grade/export/xml/index.php b/grade/export/xml/index.php
new file mode 100755
index 0000000000..bd98f76044
--- /dev/null
+++ b/grade/export/xml/index.php
@@ -0,0 +1,46 @@
+<?php
+///////////////////////////////////////////////////////////////////////////
+//                                                                       //
+// NOTICE OF COPYRIGHT                                                   //
+//                                                                       //
+// Moodle - Modular Object-Oriented Dynamic Learning Environment         //
+//          http://moodle.com                                            //
+//                                                                       //
+// Copyright (C) 2001-2003  Martin Dougiamas  http://dougiamas.com       //
+//                                                                       //
+// This program is free software; you can redistribute it and/or modify  //
+// it under the terms of the GNU General Public License as published by  //
+// the Free Software Foundation; either version 2 of the License, or     //
+// (at your option) any later version.                                   //
+//                                                                       //
+// This program is distributed in the hope that it will be useful,       //
+// but WITHOUT ANY WARRANTY; without even the implied warranty of        //
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         //
+// GNU General Public License for more details:                          //
+//                                                                       //
+//          http://www.gnu.org/copyleft/gpl.html                         //
+//                                                                       //
+///////////////////////////////////////////////////////////////////////////
+require_once("../../../config.php");
+require_once($CFG->dirroot.'/grade/export/lib.php');
+require_once('grade_export_xml.php');
+
+$id = required_param('id', PARAM_INT); // course id
+$feedback = optional_param('feedback', '', PARAM_ALPHA);
+
+// process post information
+if ($data = data_submitted() && confirm_sesskey()) {
+    $itemids = implode(",", $data->itemids);
+    // this redirect should trigger a download prompt
+    redirect('export.php?id='.$id.'&amp;itemids='.$itemids);
+    
+    // print the grades on screen for feedbacks
+    print_header();
+    $export = new grade_export($id, $itemids);
+    $export->display_grades($feedback);
+    print_footer();
+    exit; 
+}
+
+print_gradeitem_selections($id);
+?>
\ No newline at end of file