Make use of the decimal value setting

We should use this instead of our own logic.

classes/element_helper.php

@@ -513,18 +513,12 @@ class element_helper {
             return false;
         }
 
-        // Define how many decimals to display.
-        $decimals = 2;
-        if ($gradeformat == GRADE_DISPLAY_TYPE_PERCENTAGE) {
-            $decimals = 0;
-        }
-
         $grade = new \grade_grade(array('itemid' => $courseitem->id, 'userid' => $userid));
 
         return new grade_information(
             $courseitem->get_name(),
             $grade->finalgrade,
-            grade_format_gradevalue($grade->finalgrade, $courseitem, true, $gradeformat, $decimals),
+            grade_format_gradevalue($grade->finalgrade, $courseitem, true, $gradeformat),
             $grade->get_dategraded()
         );
     }
@@ -554,12 +548,6 @@ class element_helper {
             return false;
         }
 
-        // Define how many decimals to display.
-        $decimals = 2;
-        if ($gradeformat == GRADE_DISPLAY_TYPE_PERCENTAGE) {
-            $decimals = 0;
-        }
-
         $item = new \grade_item();
         $item->gradetype = GRADE_TYPE_VALUE;
         $item->courseid = $cm->course;
@@ -578,7 +566,7 @@ class element_helper {
         return new grade_information(
             $item->name,
             $objgrade->grade,
-            grade_format_gradevalue($objgrade->grade, $item, true, $gradeformat, $decimals),
+            grade_format_gradevalue($objgrade->grade, $item, true, $gradeformat),
             $dategraded
         );
     }
@@ -596,18 +584,12 @@ class element_helper {
             return false;
         }
 
-        // Define how many decimals to display.
-        $decimals = 2;
-        if ($gradeformat == GRADE_DISPLAY_TYPE_PERCENTAGE) {
-            $decimals = 0;
-        }
-
         $grade = new \grade_grade(array('itemid' => $gradeitem->id, 'userid' => $userid));
 
         return new grade_information(
             $gradeitem->get_name(),
             $grade->finalgrade,
-            grade_format_gradevalue($grade->finalgrade, $gradeitem, true, $gradeformat, $decimals),
+            grade_format_gradevalue($grade->finalgrade, $gradeitem, true, $gradeformat),
             $grade->get_dategraded()
         );
     }

element/grade/classes/element.php

@@ -106,14 +106,8 @@ class element extends \mod_customcert\element {
 
         // If we are previewing this certificate then just show a demonstration grade.
         if ($preview) {
-            // Define how many decimals to display.
-            $decimals = 2;
-            if ($gradeinfo->gradeformat == GRADE_DISPLAY_TYPE_PERCENTAGE) {
-                $decimals = 0;
-            }
-
             $courseitem = \grade_item::fetch_course_item($courseid);
-            $grade = grade_format_gradevalue('100', $courseitem, true, $gradeinfo->gradeformat, $decimals);
+            $grade = grade_format_gradevalue('100', $courseitem, true, $gradeinfo->gradeformat);
         } else {
             if ($gradeitem == CUSTOMCERT_GRADE_COURSE) {
                 $grade = \mod_customcert\element_helper::get_course_grade_info(
@@ -165,13 +159,7 @@ class element extends \mod_customcert\element {
 
         $courseitem = \grade_item::fetch_course_item($COURSE->id);
 
-        // Define how many decimals to display.
+        $grade = grade_format_gradevalue('100', $courseitem, true, $gradeinfo->gradeformat);
-        $decimals = 2;
-        if ($gradeinfo->gradeformat == GRADE_DISPLAY_TYPE_PERCENTAGE) {
-            $decimals = 0;
-        }
-
-        $grade = grade_format_gradevalue('100', $courseitem, true, $gradeinfo->gradeformat, $decimals);
 
         return \mod_customcert\element_helper::render_html_content($this, $grade);
     }

tests/element_helper_test.php

@@ -136,6 +136,11 @@ class mod_customcert_element_helper_testcase extends advanced_testcase {
      * Test we return the correct grade information for an activity.
      */
     public function test_get_mod_grade_info() {
+        global $CFG;
+
+        // Set that we want 3 decimals to display.
+        $CFG->grade_decimalpoints = 3;
+
         // Create a course.
         $course = $this->getDataGenerator()->create_course();
 
@@ -181,7 +186,7 @@ class mod_customcert_element_helper_testcase extends advanced_testcase {
 
         $this->assertEquals($assign->name, $grade->get_name());
         $this->assertEquals('50.00000', $grade->get_grade());
-        $this->assertEquals('50 %', $grade->get_displaygrade());
+        $this->assertEquals('50.000 %', $grade->get_displaygrade());
         $this->assertEquals($time, $grade->get_dategraded());
 
         // Check that the user we did not grade has no grade.
@@ -205,6 +210,9 @@ class mod_customcert_element_helper_testcase extends advanced_testcase {
         // Including to use constant.
         require_once($CFG->dirroot . '/mod/customcert/element/grade/classes/element.php');
 
+        // Set that we want 3 decimals to display.
+        $CFG->grade_decimalpoints = 3;
+
         // Create a course.
         $course = $this->getDataGenerator()->create_course();
 
@@ -241,7 +249,7 @@ class mod_customcert_element_helper_testcase extends advanced_testcase {
 
         $this->assertEquals(get_string('coursetotal', 'grades'), $grade->get_name());
         $this->assertEquals('50.00000', $grade->get_grade());
-        $this->assertEquals('50 %', $grade->get_displaygrade());
+        $this->assertEquals('50.000 %', $grade->get_displaygrade());
         $this->assertEquals($time, $grade->get_dategraded());
 
         // Check that the user we did not grade has no grade.
@@ -260,6 +268,11 @@ class mod_customcert_element_helper_testcase extends advanced_testcase {
      * Test we return the correct grade information for a grade item.
      */
     public function test_get_grade_item_info() {
+        global $CFG;
+
+        // Set that we want 3 decimals to display.
+        $CFG->grade_decimalpoints = 3;
+
         // Create a course.
         $course = $this->getDataGenerator()->create_course();
 
@@ -298,7 +311,7 @@ class mod_customcert_element_helper_testcase extends advanced_testcase {
 
         $this->assertEquals('Grade item yo', $grade->get_name());
         $this->assertEquals('50.00000', $grade->get_grade());
-        $this->assertEquals('50 %', $grade->get_displaygrade());
+        $this->assertEquals('50.000 %', $grade->get_displaygrade());
         $this->assertEquals($time, $grade->get_dategraded());
 
         // Check that the user we did not grade has no grade.