From c015c2bcb3d700bc404da2baaf17a8bea6356961 Mon Sep 17 00:00:00 2001
From: martin <martin>
Date: Thu, 28 Mar 2002 05:52:30 +0000
Subject: [PATCH] If students view surveys after having done them, then they
 are now shown the survey results compared to the class.  Needs docs still.

---
 mod/survey/graph.php | 8 ++++++--
 mod/survey/view.php  | 6 +++++-
 2 files changed, 11 insertions(+), 3 deletions(-)

diff --git a/mod/survey/graph.php b/mod/survey/graph.php
index c262ba2f5e..74cadf7cff 100644
--- a/mod/survey/graph.php
+++ b/mod/survey/graph.php
@@ -5,6 +5,8 @@
     require("lib.php");
 
     require_variable($id);    // Course Module ID
+    require_variable($type);  // Graph Type
+    optional_variable($sid);  // Student ID
 
     if (! $cm = get_record("course_modules", "id", $id)) {
         error("Course Module ID was incorrect");
@@ -16,8 +18,10 @@
 
     require_login($course->id);
 
-    if (!isteacher($course->id)) {
-        error("Sorry, only teachers can see this.");
+    if (!isteacher($course->id) && !isadmin()) {
+        if (! ($type == "student.png" && $sid == $USER->id) ) {
+            error("Sorry, you aren't allowed to see this.");
+        }
     }
 
     if (! $survey = get_record("survey", "id", $cm->instance)) {
diff --git a/mod/survey/view.php b/mod/survey/view.php
index 2421e428b4..11451c89f1 100644
--- a/mod/survey/view.php
+++ b/mod/survey/view.php
@@ -38,7 +38,11 @@
 //  Check the survey hasn't already been filled out.
 
     if (survey_already_done($survey->id, $USER->id)) {
-        notice("You've already done this survey, $USER->firstname!", $HTTP_REFERER);
+        print_heading("You've completed this survey.  The graph below shows a summary of your results compared to the class averages.");
+        echo "<CENTER>";
+        echo "<IMG SRC=\"$CFG->wwwroot/mod/survey/graph.php?id=$cm->id&sid=$USER->id&type=student.png\">";
+        echo "</CENTER>";
+        print_footer($course);
         exit;
     }
 
-- 
2.39.5