Contact groups can have direct email addresses => distribution lists; enable 'compose' command for the selected group

program/include/rcube_addressbook.php

@@ -295,6 +295,18 @@ abstract class rcube_addressbook
         return array();
     }
 
+    /**
+     * Get group properties such as name and email address(es)
+     *
+     * @param string Group identifier
+     * @return array Group properties as hash array
+     */
+    function get_group($group_id)
+    {
+        /* empty for address books don't supporting groups */
+        return null;
+    }
+
     /**
      * Create a contact group with the given name
      *

program/include/rcube_contacts.php

@@ -163,6 +163,29 @@ class rcube_contacts extends rcube_addressbook
     }
 
 
+    /**
+     * Get group properties such as name and email address(es)
+     *
+     * @param string Group identifier
+     * @return array Group properties as hash array
+     */
+    function get_group($group_id)
+    {
+        $sql_result = $this->db->query(
+            "SELECT * FROM ".get_table_name($this->db_groups).
+            " WHERE del<>1".
+            " AND contactgroup_id=?".
+            " AND user_id=?",
+            $group_id, $this->user_id);
+            
+        if ($sql_result && ($sql_arr = $this->db->fetch_assoc($sql_result))) {
+            $sql_arr['ID'] = $sql_arr['contactgroup_id'];
+            return $sql_arr;
+        }
+        
+        return null;
+    }
+
     /**
      * List the current set of contact records
      *
@@ -774,8 +797,9 @@ class rcube_contacts extends rcube_addressbook
         $sql_result = $this->db->query(
             "UPDATE ".get_table_name($this->db_groups).
             " SET del=1, changed=".$this->db->now().
-            " WHERE contactgroup_id=?",
-            $gid
+            " WHERE contactgroup_id=?".
+            " AND user_id=?",
+            $gid, $this->user_id
         );
 
         $this->cache = null;
@@ -799,8 +823,9 @@ class rcube_contacts extends rcube_addressbook
         $sql_result = $this->db->query(
             "UPDATE ".get_table_name($this->db_groups).
             " SET name=?, changed=".$this->db->now().
-            " WHERE contactgroup_id=?",
-            $name, $gid
+            " WHERE contactgroup_id=?".
+            " AND user_id=?",
+            $name, $gid, $this->user_id
         );
 
         return $this->db->affected_rows() ? $name : false;

program/js/app.js

@@ -845,7 +845,9 @@ function rcube_webmail()
           }
 
           if (a_cids.length)
-            this.http_post('mailto', {_cid: a_cids.join(','), _source: this.env.source}, true);
+            this.http_post('mailto', { _cid: a_cids.join(','), _source: this.env.source}, true);
+          else if (this.env.group)
+            this.http_post('mailto', { _gid: this.env.group, _source: this.env.source}, true);
 
           break;
         }
@@ -3882,7 +3884,7 @@ function rcube_webmail()
       }
     }
 
-    this.enable_command('compose', list.selection.length > 0);
+    this.enable_command('compose', this.env.group || list.selection.length > 0);
     this.enable_command('edit', id && writable);
     this.enable_command('delete', list.selection.length && writable);
 
@@ -3968,7 +3970,8 @@ function rcube_webmail()
   {
     this.contact_list.clear(true);
     this.show_contentframe(false);
-    this.enable_command('delete', 'compose', false);
+    this.enable_command('delete', false);
+    this.enable_command('compose', this.env.group ? true : false);
   };
 
   // load contact record

program/steps/addressbook/mailto.inc

@@ -21,6 +21,7 @@
 
 $cids   = rcmail_get_cids();
 $mailto = array();
+$recipients = null;
 
 foreach ($cids as $source => $cid)
 {
@@ -31,12 +32,35 @@ foreach ($cids as $source => $cid)
         $CONTACTS->set_page(1);
         $CONTACTS->set_pagesize(count($cid) + 2); // +2 to skip counting query
         $recipients = $CONTACTS->search($CONTACTS->primary_key, $cid, false, true, true, 'email');
+    }
+}
 
+if (!empty($_REQUEST['_gid']) && isset($_REQUEST['_source']))
+{
+    $source = get_input_value('_source', RCUBE_INPUT_GPC);
+    $CONTACTS = $RCMAIL->get_address_book($source);
+    
+    $group_id = get_input_value('_gid', RCUBE_INPUT_GPC);
+    $group_data = $CONTACTS->get_group($group_id);
+    
+    // group has an email address assigned: use that
+    if ($group_data['email']) {
+        $mailto[] = format_email_recipient($group_data['email'][0], $group_data['name']);
+    }
+    else if ($CONTACTS->ready) {
+        $CONTACTS->set_group($group_id);
+        $CONTACTS->set_page(1);
+        $CONTACTS->set_pagesize(200); // limit somehow
+        $recipients = $CONTACTS->list_records();
+    }
+}
+
+if ($recipients)
+{
     while (is_object($recipients) && ($rec = $recipients->iterate())) {
         $emails = $CONTACTS->get_col_values('email', $rec, true);
         $mailto[] = format_email_recipient($emails[0], $rec['name']);
     }
-    }
 }
 
 if (!empty($mailto))

program/steps/mail/autocomplete.inc

@@ -85,9 +85,18 @@ if (!empty($book_types) && strlen($search)) {
       foreach ($abook->list_groups($search) as $group) {
         $abook->reset();
         $abook->set_group($group['ID']);
-        $result = $abook->count();
+        $group_prop = $abook->get_group($group['ID']);
 
-        if ($result->count) {
+        // group (distribution list) with email address(es)
+        if ($group_prop['email']) {
+            foreach ((array)$group_prop['email'] as $email) {
+                $contacts[] = format_email_recipient($email, $group['name']);
+                if (count($contacts) >= $MAXNUM)
+                  break 2;
+            }
+        }
+        // show group with count
+        else if (($result = $abook->count()) && $result->count) {
           $contacts[] = array('name' => $group['name'] . ' (' . intval($result->count) . ')', 'id' => $group['ID'], 'source' => $id);
           if (count($contacts) >= $MAXNUM)
             break;