Added button to send a message in user profiles

create.php

@@ -22,6 +22,7 @@
 require_once('create_form.php');
 
 $courseid = optional_param('c', $SITE->id, PARAM_INT);
+$recipient = optional_param('r', false, PARAM_INT);
 
 // Setup page
 
@@ -36,6 +37,9 @@
 if ($course->id != $SITE->id) {
     require_sesskey();
     $message = local_mail_message::create($USER->id, $course->id);
+    if (local_mail_valid_recipient($recipient))  {
+        $message->add_recipient('to', $recipient);
+    }
     $params = array('m' => $message->id());
     $url = new moodle_url('/local/mail/compose.php', $params);
     redirect($url);

lang/ca/local_mail.php

@@ -85,6 +85,7 @@
 $string['forward'] = 'Reenvia';
 $string['save'] = 'Desa';
 $string['send'] = 'Envia';
+$string['sendmessage'] = 'Envia un missatge';
 $string['sentmail'] = 'Enviats';
 $string['setlabels'] = 'Etiquetes';
 $string['starred'] = 'Destacat';

lang/en/local_mail.php

@@ -85,6 +85,7 @@
 $string['forward'] = 'Forward';
 $string['save'] = 'Save';
 $string['send'] = 'Send';
+$string['sendmessage'] = 'Send a message';
 $string['sentmail'] = 'Sent';
 $string['setlabels'] = 'Labels';
 $string['starred'] = 'Starred';

lib.php

@@ -140,6 +140,18 @@ function local_mail_extends_navigation($root) {
     $text = get_string('trash', 'local_mail');
     $url = new moodle_url('/local/mail/view.php', array('t' => 'trash'));
     $node->add(s($text), $url);
+
+    // User profile
+
+    if ($PAGE->url->compare(new moodle_url('/user/view.php'), URL_MATCH_BASE)) {
+        $userid = optional_param('id', false, PARAM_INT);
+        if (local_mail_valid_recipient($userid)) {
+            $vars = array('course' => $COURSE->id, 'recipient' => $userid);
+            $PAGE->requires->string_for_js('sendmessage', 'local_mail');
+            $PAGE->requires->js_init_code('M.local_mail = ' . json_encode($vars));
+            $PAGE->requires->js('/local/mail/user.js');
+        }
+    }
 }
 
 function local_mail_pluginfile($course, $cm, $context, $filearea, $args,

locallib.php

@@ -138,3 +138,30 @@ function local_mail_get_my_courses() {
     }
     return $courses;
 }
+
+function local_mail_valid_recipient($recipient) {
+    global $COURSE, $USER;
+
+    if (!$recipient or $recipient == $USER->id) {
+        return false;
+    }
+
+    $context = context_course::instance($COURSE->id);
+
+    if (!is_enrolled($context, $recipient)) {
+        return false;
+    }
+
+    if ($COURSE->groupmode == SEPARATEGROUPS and
+        !has_capability('moodle/site:accessallgroups', $context)) {
+        $ugroups = groups_get_all_groups($COURSE->id, $USER->id,
+                                         $COURSE->defaultgroupingid, 'g.id');
+        $rgroups = groups_get_all_groups($COURSE->id, $recipient,
+                                         $COURSE->defaultgroupingid, 'g.id');
+        if (!array_intersect(array_keys($ugroups), array_keys($rgroups))) {
+            return false;
+        }
+    }
+
+    return true;
+}

styles.css

@@ -778,3 +778,10 @@
 #local_mail_main_form {
     min-height: 30em;
 }
+
+/* User profile */
+
+.local_mail_sendmessage {
+    text-align: center;
+    margin: 1em;
+}

user.js

@@ -0,0 +1,17 @@
+YUI(M.yui.loader).use('node', function(Y) {
+    Y.on('domready', function() {
+        var node = Y.one('.userprofile');
+        if (node) {
+            var html = '<div class="local_mail_sendmessage">'
+                + '<form action="' + M.cfg.wwwroot + '/local/mail/create.php" method="post">'
+                + '<input type="hidden" name="c" value="' + M.local_mail.course +'" />'
+                + '<input type="hidden" name="r" value="' + M.local_mail.recipient +'" />'
+                + '<input type="hidden" name="sesskey" value="' + M.cfg.sesskey +'" />'
+                + '<input type="submit" value="' + M.util.get_string('sendmessage', 'local_mail') + '" />'
+                + '</form>'
+                + '</div>';
+            var form = Y.Node.create(html);
+            node.append(form);
+        }
+    });
+});