From: moodler <moodler>
Date: Wed, 30 Jul 2003 15:11:04 +0000 (+0000)
Subject: Put here just temporarily for those who might need it.  Will be
X-Git-Url: http://git.mjollnir.org/gw?a=commitdiff_plain;h=4efea825a1389093fdad1e02a0842a4e7d27ad58;p=moodle.git

Put here just temporarily for those who might need it.  Will be
replaced by the new enrolment code soon anyway.
---

diff --git a/admin/students.php b/admin/students.php
new file mode 100644
index 0000000000..2d45f949ae
--- /dev/null
+++ b/admin/students.php
@@ -0,0 +1,201 @@
+<?PHP // $Id$
+      // Admin-only script to assign teachers to courses
+
+	require_once("../config.php");
+
+    define("MAX_USERS_PER_PAGE", 30);
+
+    optional_variable($id);         // course id
+    optional_variable($add, "");
+    optional_variable($remove, "");
+    optional_variable($search, ""); // search string
+
+    if (! $site = get_site()) {
+        redirect("$CFG->wwwroot/$CFG->admin/index.php");
+    }
+
+    require_login();
+
+    if (!iscreator()) {
+        error("You must be an administrator or course creator to use this page.");
+    }
+
+    $stradministration = get_string("administration");
+    $strassignstudents = "Assign students";
+    $strexistingstudents   = "Existing students";
+    $strnoexistingstudents = "No existing students";
+    $strpotentialstudents  = "Potential students";
+    $strnopotentialstudents  = "No potential students";
+    $straddstudent    = "Add student";
+    $strremovestudent = "Remove student";
+    $strsearch        = get_string("search");
+    $strsearchresults  = get_string("searchresults");
+    $strsearchagain   = get_string("searchagain");
+    $strtoomanytoshow   = get_string("toomanytoshow");
+
+    if ($search) {
+        $searchstring = $strsearchagain;
+    } else {
+        $searchstring = $strsearch;
+    }
+
+
+    if (!$id) {
+	    print_header("$site->shortname: $strassignstudents", "$site->fullname", 
+                     "<a href=\"index.php\">$stradministration</a> -> $strassignstudents");
+        
+        $isadmin = isadmin(); /// cache value
+        $courses = get_courses();
+
+		print_heading(get_string("choosecourse"));
+		print_simple_box_start("center");
+        
+        if (!empty($courses)) {
+		    foreach ($courses as $course) {
+		        if ($isadmin or isteacher($course->id, $USER->id)){
+			        echo "<a href=\"students.php?id=$course->id\">$course->fullname ($course->shortname)</a><br>\n";
+				    $coursesfound = TRUE;
+			    }
+		    }	
+        }
+		
+        print_simple_box_end();
+        
+        if ($coursesfound == FALSE) {         
+            print_heading(get_string("nocoursesyet"));
+            print_continue("../$CFG->admin/index.php");
+        }
+
+        print_footer();
+        exit;
+    }
+
+    if (! $course = get_record("course", "id", $id)) {
+        error("Course ID was incorrect (can't find it)");
+    }
+
+
+	print_header("$site->shortname: $course->shortname: $strassignstudents", 
+                 "$site->fullname", 
+                 "<a href=\"index.php\">$stradministration</a> -> 
+                  <a href=\"students.php\">$strassignstudents</a> -> $course->shortname", "");
+
+    print_heading("<a href=\"$CFG->wwwroot/course/view.php?id=$course->id\">$course->fullname ($course->shortname)</a>");
+
+
+/// Get all existing students for this course.
+    $students = get_course_students($course->id);
+
+/// Add a student if one is specified
+
+    if (!empty($add)) {
+	    if (!isteacher($course->id)){
+		    error("You must be an administrator or teacher to modify this course.");
+        }
+
+        if (! $user = get_record("user", "id", $add)) {
+            error("That student (id = $add) doesn't exist", "students.php?id=$course->id");
+        }
+
+        if (!empty($students)) {
+            foreach ($students as $ss) {
+                if ($ss->id == $user->id) {
+                    error("That user is already a student for this course.", "students.php?id=$course->id");
+                }
+            }
+        }
+
+        $student->userid   = $user->id;
+        $student->course = $course->id;
+        $student->id = insert_record("user_students", $student);
+        if (empty($student->id)) {
+            error("Could not add that student to this course!");
+        }
+        $students[] = $user;
+    }
+
+/// Remove a student if one is specified.
+
+    if (!empty($remove)) {
+
+        if (!isteacher($course->id)){
+        	error("You must be an administrator or teacher to modify this course.");
+		}
+        if (! $user = get_record("user", "id", $remove)) {
+            error("That student (id = $remove) doesn't exist", "students.php?id=$course->id");
+        }
+        if (!empty($students)) {
+            foreach ($students as $key => $ss) {
+                if ($ss->id == $user->id) {
+                    unenrol_student($user->id, $course->id);
+                    unset($students[$key]);
+                }
+            }
+        }
+    }
+
+
+/// Print the lists of existing and potential students
+
+    echo "<table cellpadding=2 cellspacing=10 align=center>";
+    echo "<tr><th width=50%>$strexistingstudents</th><th width=50%>$strpotentialstudents</th></tr>";
+    echo "<tr><td width=50% nowrap valign=top>";
+
+/// First, show existing students for this course
+
+    if (empty($students)) { 
+        echo "<p align=center>$strnoexistingstudents</a>";
+        $studentlist = "";
+
+    } else {
+        $studentarray = array();
+        foreach ($students as $student) {
+            $studentarray[] = $student->id;
+            echo "<p align=right>$student->firstname $student->lastname, $student->email &nbsp;&nbsp; <a href=\"students.php?id=$course->id&remove=$student->id\" title=\"$strremovestudent\"><img src=\"../pix/t/right.gif\" border=0></a></p>";
+        }
+        $studentlist = implode(",",$studentarray);
+        unset($studentarray);
+    }
+
+    echo "<td width=50% nowrap valign=top>";
+
+/// Print list of potential students
+
+    $usercount = get_users(false, $search, true, $studentlist);
+
+    if ($usercount == 0) {
+        echo "<p align=center>$strnopotentialstudents</p>";
+
+    } else if ($usercount > MAX_USERS_PER_PAGE) {
+        echo "<p align=center>$strtoomanytoshow</p>";
+
+    } else {
+
+        if ($search) {
+            echo "<p align=center>($strsearchresults : $search)</p>";
+        }
+
+        if (!$users = get_users(true, $search, true, $studentlist)) {
+            error("Could not get users!");
+        }
+
+        foreach ($users as $user) {
+            echo "<p align=left><a href=\"{$_SERVER['PHP_SELF']}?id=$course->id&add=$user->id\"".
+                   "title=\"$straddstudent\"><img src=\"../pix/t/left.gif\"".
+                   "border=0></a>&nbsp;&nbsp;$user->firstname $user->lastname, $user->email";
+        }
+    }
+
+    if ($search or $usercount > MAX_USERS_PER_PAGE) {
+        echo "<form action={$_SERVER['PHP_SELF']} method=post>";
+        echo "<input type=hidden name=id value=\"$course->id\">";
+        echo "<input type=text name=search size=20>";
+        echo "<input type=submit value=\"$searchstring\">";
+        echo "</form>";
+    }
+
+    echo "</tr></table>";
+
+    print_footer();
+
+?>