From ff1bdc42afdba3d0b76acb0697f9410d9bd6e342 Mon Sep 17 00:00:00 2001
From: Mark Nelson <markn@moodle.com>
Date: Tue, 23 Jul 2013 18:04:46 +0800
Subject: [PATCH] Set a date and grade to display when previewing a customcert

---
 element/date/lib.php                          | 51 ++++++++++---------
 .../grade/lang/en/customcertelement_grade.php |  1 +
 element/grade/lib.php                         | 10 +++-
 3 files changed, 37 insertions(+), 25 deletions(-)

diff --git a/element/date/lib.php b/element/date/lib.php
index 7572163..3645d6d 100644
--- a/element/date/lib.php
+++ b/element/date/lib.php
@@ -96,30 +96,35 @@ class customcert_element_date extends customcert_element_base {
         $dateitem = $dateinfo->dateitem;
         $dateformat = $dateinfo->dateformat;
 
-        // Get the page.
-        $page = $DB->get_record('customcert_pages', array('id' => $this->element->pageid), '*', MUST_EXIST);
-        // Now we can get the issue for this user.
-        $issue = $DB->get_record('customcert_issues', array('userid' => $USER->id, 'customcertid' => $page->customcertid), '*', MUST_EXIST);
-
-        if ($dateitem == CUSTOMCERT_DATE_ISSUE) {
-            $date = $issue->timecreated;
-        } else if ($dateitem == CUSTOMCERT_DATE_COMPLETION) {
-            // Get the enrolment end date.
-            $sql = "SELECT MAX(c.timecompleted) as timecompleted
-                    FROM {course_completions} c
-                    WHERE c.userid = :userid
-                    AND c.course = :courseid";
-            if ($timecompleted = $DB->get_record_sql($sql, array('userid' => $issue->userid, 'courseid' => $COURSE->id))) {
-                if (!empty($timecompleted->timecompleted)) {
-                    $date = $timecompleted->timecompleted;
-                }
-            }
+        // If we are previewing this certificate then just show a demonstration date.
+        if ($preview) {
+            $date = time();
         } else {
-            $gradeitem = new stdClass();
-            $gradeitem->gradeitem = $dateitem;
-            $gradeitem->gradeformat = GRADE_DISPLAY_TYPE_PERCENTAGE;
-            if ($modinfo = customcert_element_grade::get_grade($gradeitem, $issue->userid)) {
-                $date = $modinfo->dategraded;
+            // Get the page.
+            $page = $DB->get_record('customcert_pages', array('id' => $this->element->pageid), '*', MUST_EXIST);
+            // Now we can get the issue for this user.
+            $issue = $DB->get_record('customcert_issues', array('userid' => $USER->id, 'customcertid' => $page->customcertid), '*', MUST_EXIST);
+
+            if ($dateitem == CUSTOMCERT_DATE_ISSUE) {
+                $date = $issue->timecreated;
+            } else if ($dateitem == CUSTOMCERT_DATE_COMPLETION) {
+                // Get the enrolment end date.
+                $sql = "SELECT MAX(c.timecompleted) as timecompleted
+                        FROM {course_completions} c
+                        WHERE c.userid = :userid
+                        AND c.course = :courseid";
+                if ($timecompleted = $DB->get_record_sql($sql, array('userid' => $issue->userid, 'courseid' => $COURSE->id))) {
+                    if (!empty($timecompleted->timecompleted)) {
+                        $date = $timecompleted->timecompleted;
+                    }
+                }
+            } else {
+                $gradeitem = new stdClass();
+                $gradeitem->gradeitem = $dateitem;
+                $gradeitem->gradeformat = GRADE_DISPLAY_TYPE_PERCENTAGE;
+                if ($modinfo = customcert_element_grade::get_grade($gradeitem, $issue->userid)) {
+                    $date = $modinfo->dategraded;
+                }
             }
         }
 
diff --git a/element/grade/lang/en/customcertelement_grade.php b/element/grade/lang/en/customcertelement_grade.php
index 7dc5cc7..1a770b9 100644
--- a/element/grade/lang/en/customcertelement_grade.php
+++ b/element/grade/lang/en/customcertelement_grade.php
@@ -33,3 +33,4 @@ $string['gradepercent'] = 'Percentage Grade';
 $string['gradepoints'] = 'Points Grade';
 $string['gradeletter'] = 'Letter Grade';
 $string['pluginname'] = 'Grade';
+$string['previewgrade'] = 'Preview grade';
diff --git a/element/grade/lib.php b/element/grade/lib.php
index dc354a9..84596b2 100644
--- a/element/grade/lib.php
+++ b/element/grade/lib.php
@@ -94,8 +94,14 @@ class customcert_element_grade extends customcert_element_base {
         // Decode the information stored in the database.
         $gradeinfo = json_decode($this->element->data);
 
-        // Get the grade for the grade item.
-        $grade = self::get_grade($gradeinfo, $USER->id);
+        // If we are previewing this certificate then just show a demonstration grade.
+        if ($preview) {
+            $grade = get_string('previewgrade', 'customcertelement_grade') . ": 50%";
+        } else {
+            // Get the grade for the grade item.
+            $grade = self::get_grade($gradeinfo, $USER->id);
+        }
+
         parent::render_content($pdf, $grade);
     }