From 540f89d7d4bdc76ca4f64f0709a3dc706222a3e5 Mon Sep 17 00:00:00 2001
From: sam marshall <s.marshall@open.ac.uk>
Date: Wed, 23 May 2012 13:46:51 +0100
Subject: [PATCH] MDL-33212 Course page: Eye icon should override other
 conditions

---
 course/lib.php                  |  2 +-
 lib/conditionlib.php            | 16 ++++++++++++++--
 lib/tests/conditionlib_test.php | 14 ++++++++++----
 3 files changed, 25 insertions(+), 7 deletions(-)

diff --git a/course/lib.php b/course/lib.php
index 8e073737607..cdc74a1e29e 100644
--- a/course/lib.php
+++ b/course/lib.php
@@ -1728,7 +1728,7 @@ function print_section($course, $section, $mods, $modnamesused, $absolute=false,
             // see the activity itself, or for staff)
             if (!$mod->uservisible) {
                 echo '<div class="availabilityinfo">'.$mod->availableinfo.'</div>';
-            } else if ($canviewhidden && !empty($CFG->enableavailability)) {
+            } else if ($canviewhidden && !empty($CFG->enableavailability) && $mod->visible) {
                 $ci = new condition_info($mod);
                 $fullinfo = $ci->get_full_information();
                 if($fullinfo) {
diff --git a/lib/conditionlib.php b/lib/conditionlib.php
index 9bcd4bbe5d2..0d8b3cbfde7 100644
--- a/lib/conditionlib.php
+++ b/lib/conditionlib.php
@@ -69,7 +69,8 @@ class condition_info extends condition_info_base {
      * @param object $cm Moodle course-module object. May have extra fields
      *   ->conditionsgrade, ->conditionscompletion which should come from
      *   get_fast_modinfo. Should have ->availablefrom, ->availableuntil,
-     *   and ->showavailability, ->course; but the only required thing is ->id.
+     *   and ->showavailability, ->course, ->visible; but the only required
+     *   thing is ->id.
      * @param int $expectingmissing Used to control whether or not a developer
      *   debugging message (performance warning) will be displayed if some of
      *   the above data is missing and needs to be retrieved; a
@@ -426,7 +427,8 @@ abstract class condition_info_base {
      * @return array Array of field names
      */
     protected function get_main_table_fields() {
-        return array('id', 'course', 'availablefrom', 'availableuntil', 'showavailability');
+        return array('id', 'course', 'visible',
+                'availablefrom', 'availableuntil', 'showavailability');
     }
 
     /**
@@ -846,6 +848,16 @@ abstract class condition_info_base {
             }
         }
 
+        // If the item is marked as 'not visible' then we don't change the available
+        // flag (visible/available are treated distinctly), but we remove any
+        // availability info. If the item is hidden with the eye icon, it doesn't
+        // make sense to show 'Available from <date>' or similar, because even
+        // when that date arrives it will still not be available unless somebody
+        // toggles the eye icon.
+        if (!$this->item->visible) {
+            $information = '';
+        }
+
         $information = trim($information);
         return $available;
     }
diff --git a/lib/tests/conditionlib_test.php b/lib/tests/conditionlib_test.php
index f35c916e66b..2315916241d 100644
--- a/lib/tests/conditionlib_test.php
+++ b/lib/tests/conditionlib_test.php
@@ -70,7 +70,8 @@ class conditionlib_testcase extends advanced_testcase {
         $this->assertEquals(
             (object)array('id'=>$id,'showavailability'=>1,
                 'availablefrom'=>17,'availableuntil'=>398,'course'=>64,
-                'conditionsgrade'=>array(), 'conditionscompletion'=>array()),
+                'conditionsgrade'=>array(), 'conditionscompletion'=>array(),
+                'visible' => 1),
             $test->get_full_course_module());
 
         // just the course_modules stuff; check it doesn't request that from db
@@ -78,11 +79,13 @@ class conditionlib_testcase extends advanced_testcase {
         $cm->availablefrom=2;
         $cm->availableuntil=74;
         $cm->course=38;
+        $cm->visible = 1;
         $test=new condition_info($cm,CONDITION_MISSING_EXTRATABLE);
         $this->assertEquals(
             (object)array('id'=>$id,'showavailability'=>0,
                 'availablefrom'=>2,'availableuntil'=>74,'course'=>38,
-                'conditionsgrade'=>array(), 'conditionscompletion'=>array()),
+                'conditionsgrade' => array(), 'conditionscompletion' => array(),
+                'visible' => 1),
             $test->get_full_course_module());
 
         // Now let's add some actual grade/completion conditions
@@ -136,7 +139,8 @@ class conditionlib_testcase extends advanced_testcase {
         $this->assertEquals(
                 (object)array('id' => $id, 'showavailability' => 1, 'groupingid' => 13,
                     'availablefrom' => 17, 'availableuntil' => 398, 'course' => 64,
-                    'conditionsgrade' => array(), 'conditionscompletion' => array()),
+                    'conditionsgrade' => array(), 'conditionscompletion' => array(),
+                    'visible' => 1),
                 $test->get_full_section());
 
         // Just the course_sections stuff; check it doesn't request that from db
@@ -146,11 +150,13 @@ class conditionlib_testcase extends advanced_testcase {
         $section->availableuntil = 74;
         $section->course = 38;
         $section->groupingid = 99;
+        $section->visible = 1;
         $test = new condition_info_section($section, CONDITION_MISSING_EXTRATABLE);
         $this->assertEquals(
                 (object)array('id' => $id, 'showavailability' => 0, 'groupingid' => 99,
                     'availablefrom' => 2, 'availableuntil' => 74, 'course' => 38,
-                    'conditionsgrade' => array(), 'conditionscompletion' => array()),
+                    'conditionsgrade' => array(), 'conditionscompletion' => array(),
+                    'visible' => 1),
                 $test->get_full_section());
 
         // Now let's add some actual grade/completion conditions