* make modest handle mailing lists somewhat correcter (RFC2369):
[modest] / src / modest-tny-msg.c
index 263b859..fb70314 100644 (file)
@@ -101,6 +101,8 @@ modest_tny_msg_new (const gchar* mailto, const gchar* from, const gchar *cc,
        /* Add attachments */
        if (attachments)
                add_attachments (TNY_MIME_PART (new_msg), attachments, FALSE);
+       if (header)
+               g_object_unref(header);
 
        return new_msg;
 }
@@ -150,6 +152,8 @@ modest_tny_msg_new_html_plain (const gchar* mailto, const gchar* from, const gch
        /* Add attachments */
        add_attachments (TNY_MIME_PART (new_msg), attachments, FALSE);
        add_images (new_msg, images);
+       if (header)
+               g_object_unref(header);
 
        return new_msg;
 }
@@ -263,6 +267,7 @@ copy_mime_part (TnyMimePart *part)
                        TnyMimePart *subpart_copy = copy_mime_part (subpart);
                        tny_mime_part_add_part (result, subpart_copy);
                        g_object_unref (subpart);
+                       g_object_unref (subpart_copy);
                }
 
                tny_iterator_next (iterator);
@@ -285,9 +290,9 @@ add_attachments (TnyMimePart *part, GList *attachments_list, gboolean add_inline
                old_attachment = pos->data;
                if (!tny_mime_part_is_purged (old_attachment)) {
                        attachment_part = copy_mime_part (old_attachment);
-                       tny_mime_part_add_part (TNY_MIME_PART (part), attachment_part);
                        tny_mime_part_set_header_pair (attachment_part, "Content-Disposition", 
                                                       add_inline?"inline":"attachment");
+                       tny_mime_part_add_part (TNY_MIME_PART (part), attachment_part);
                        g_object_unref (attachment_part);
                }
        }
@@ -326,6 +331,7 @@ add_images (TnyMsg *msg, GList *images_list)
        if (related_part != NULL) {
                /* TODO: attach images in their proper place */
                add_attachments (related_part, images_list, TRUE);
+               g_object_unref (related_part);
        }
 }
 
@@ -612,6 +618,126 @@ modest_tny_msg_create_forward_msg (TnyMsg *msg,
        return new_msg;
 }
 
+
+gchar*
+modest_tny_msg_get_header (TnyMsg *msg, const gchar *header)
+{
+       TnyList *pairs;
+       TnyIterator *iter;
+       gchar *val;
+       
+       g_return_val_if_fail (msg && TNY_IS_MSG(msg), NULL);
+       g_return_val_if_fail (header, NULL);
+
+       pairs = tny_simple_list_new ();
+
+       tny_mime_part_get_header_pairs (TNY_MIME_PART(msg), pairs);
+       iter = tny_list_create_iterator (pairs);
+
+       val = NULL;
+       while (!tny_iterator_is_done(iter) && !val) {
+
+               TnyPair *pair = (TnyPair*)tny_iterator_get_current(iter);
+               if (strcasecmp (header, tny_pair_get_name(pair)) == 0)
+                       val = g_strdup (tny_pair_get_value(pair));
+               
+               tny_iterator_next (iter);
+       }
+
+       g_object_unref (pairs);
+       g_object_unref (iter);
+
+       return val;
+}
+
+
+
+/* get the new To:, based on the old header,
+ * result is newly allocated or NULL in case of error
+ * */
+static gchar*
+get_new_to (TnyMsg *msg, TnyHeader *header, const gchar* from,
+           ModestTnyMsgReplyMode reply_mode)
+{
+       const gchar* old_reply_to;
+       const gchar* old_from;
+       gchar* new_to;
+       
+       /* according to RFC2369 (http://www.faqs.org/rfcs/rfc2369.html), we
+        * can identify Mailing-List posts by the List-Help header.
+        * for mailing lists, both the Reply-To: and From: should be included
+        * in the new To:; for now, we're ignoring List-Post
+        */
+       gchar* list_help = modest_tny_msg_get_header (msg, "List-Help");
+       gboolean is_mailing_list = (list_help != NULL);
+       g_free (list_help);
+
+
+       /* reply to sender, use ReplyTo or From */
+       //old_reply_to = tny_header_get_replyto (header);
+       old_reply_to = modest_tny_msg_get_header (msg, "Reply-To"); 
+       old_from     = tny_header_get_from (header);
+       
+       if (!old_from &&  !old_reply_to) {
+               g_warning ("%s: failed to get either Reply-To: or From: from header",
+                          __FUNCTION__);
+               return NULL;
+       }
+       
+       /* for mailing lists, use both Reply-To and From if we did a
+        * 'Reply All:'
+        * */
+       if (is_mailing_list && reply_mode == MODEST_TNY_MSG_REPLY_MODE_ALL &&
+           old_reply_to && old_from && strcmp (old_from, old_reply_to) != 0)
+               new_to = g_strjoin (",", old_reply_to, old_from, NULL);
+       else
+               /* otherwise use either Reply-To: (preferred) or From: */
+               new_to = g_strdup (old_reply_to ? old_reply_to : old_from);
+
+       /* in case of ReplyAll, we need to add the Recipients in the old To: */
+       if (reply_mode == MODEST_TNY_MSG_REPLY_MODE_ALL) {
+               const gchar *old_to = tny_header_get_to (header);
+               if (!old_to) 
+                       g_warning ("%s: no To: address found in source mail",
+                                  __FUNCTION__);
+               else {
+                       /* append the old To: */
+                       gchar *tmp = g_strjoin (",", new_to, old_to, NULL);
+                       g_free (new_to);
+                       new_to = tmp;
+               }
+       }
+       
+       /* now, strip me (the new From:) from the new_to */
+       gchar *tmp = modest_text_utils_remove_address (new_to, from);
+       g_free (new_to);
+       new_to = tmp;
+
+       /* remove duplicate entries */
+       tmp = modest_text_utils_remove_duplicate_addresses (new_to);
+       g_free (new_to);
+       new_to = tmp;
+
+       return new_to;
+}
+
+
+/* get the new Cc:, based on the old header,
+ * result is newly allocated or NULL in case of error */
+static gchar*
+get_new_cc (TnyHeader *header, const gchar* from)
+{
+       const gchar *old_cc;
+
+       old_cc = tny_header_get_cc (header);
+       if (!old_cc)
+               return NULL;
+
+       /* remove me (the new From:) from the Cc: list */
+       return modest_text_utils_remove_address (old_cc, from);
+}
+
+
 TnyMsg* 
 modest_tny_msg_create_reply_msg (TnyMsg *msg,
                                 TnyHeader *header,
@@ -622,10 +748,7 @@ modest_tny_msg_create_reply_msg (TnyMsg *msg,
 {
        TnyMsg *new_msg = NULL;
        TnyHeader *new_header;
-       const gchar* reply_to;
-       gchar *new_cc = NULL;
-       const gchar *cc = NULL, *bcc = NULL;
-       GString *tmp = NULL;
+       gchar *new_to, *new_cc = NULL;
        TnyList *parts = NULL;
        GList *attachments_list = NULL;
 
@@ -653,47 +776,21 @@ modest_tny_msg_create_reply_msg (TnyMsg *msg,
        else
                header = tny_msg_get_header (msg);
 
-       new_header = tny_msg_get_header (new_msg);
-       reply_to = tny_header_get_replyto (header);
-
-       if (reply_to)
-               tny_header_set_to (new_header, reply_to);
-       else
-               tny_header_set_to (new_header, tny_header_get_from (header));
-
-       switch (reply_mode) {
-       case MODEST_TNY_MSG_REPLY_MODE_SENDER:
-               /* Do not fill neither cc nor bcc */
-               break;
-       case MODEST_TNY_MSG_REPLY_MODE_LIST:
-               /* TODO */
-               break;
-       case MODEST_TNY_MSG_REPLY_MODE_ALL:
-               /* Concatenate to, cc and bcc */
-               cc = tny_header_get_cc (header);
-               bcc = tny_header_get_bcc (header);
-
-               tmp = g_string_new (tny_header_get_to (header));
-               if (cc)
-                       g_string_append_printf (tmp, ",%s",cc);
-               if (bcc)
-                       g_string_append_printf (tmp, ",%s",bcc);
-
-               /* Remove my own address from the cc list. TODO:
-                  remove also the To: of the new message, needed due
-                  to the new reply_to feature */
-               new_cc = (gchar *)
-                       modest_text_utils_remove_address ((const gchar *) tmp->str,
-                                                         from);
-               /* FIXME: remove also the mails from the new To: */
+       
+       new_header = tny_msg_get_header(new_msg);
+       new_to = get_new_to (msg, header, from, reply_mode);
+       if (!new_to)
+               g_warning ("%s: failed to get new To:", __FUNCTION__);
+       else {
+               tny_header_set_to (new_header, new_to);
+               g_free (new_to);
+       }       
+       new_cc = get_new_cc (header, from);
+       if (new_cc) { 
                tny_header_set_cc (new_header, new_cc);
-
-               /* Clean */
-               g_string_free (tmp, TRUE);
                g_free (new_cc);
-               break;
        }
-
+       
        /* Clean */
        g_object_unref (G_OBJECT (new_header));
        g_object_unref (G_OBJECT (header));