[evolution-ews] Bug 746395 - Let the provider store sent messages on its own

[Milan Crha <mcrha src gnome org>]

commit 4c6ef878003bc2c7f6e25c0a1e7556cb9952265c
Author: Milan Crha <mcrha redhat com>
Date:   Wed Apr 1 17:36:53 2015 +0200

    Bug 746395 - Let the provider store sent messages on its own

 src/camel/camel-ews-transport.c |   97 ++++++++++++++++++++++++++++++++++++++-
 1 files changed, 96 insertions(+), 1 deletions(-)
---
diff --git a/src/camel/camel-ews-transport.c b/src/camel/camel-ews-transport.c
index 7acc19c..e37b2f2 100644
--- a/src/camel/camel-ews-transport.c
+++ b/src/camel/camel-ews-transport.c
@@ -30,6 +30,8 @@
 
 #include <glib/gi18n-lib.h>
 
+#include <libemail-engine/libemail-engine.h>
+
 #include "server/camel-ews-settings.h"
 
 #include "utils/ews-camel-common.h"
@@ -43,6 +45,91 @@
 G_DEFINE_TYPE (CamelEwsTransport, camel_ews_transport, CAMEL_TYPE_TRANSPORT)
 
 static gboolean
+ews_transport_sent_folder_is_server_side (CamelService *service,
+                                         EwsFolderId **folder_id,
+                                         GCancellable *cancellable)
+{
+       CamelSession *session;
+       ESourceRegistry *registry;
+       ESource *sibling, *source = NULL;
+       gboolean is_server_side = FALSE;
+
+       g_return_val_if_fail (CAMEL_IS_EWS_TRANSPORT (service), FALSE);
+       g_return_val_if_fail (folder_id != NULL, FALSE);
+
+       session = camel_service_ref_session (service);
+       if (session && E_IS_MAIL_SESSION (session))
+               registry = g_object_ref (e_mail_session_get_registry (E_MAIL_SESSION (session)));
+       else
+               registry = e_source_registry_new_sync (cancellable, NULL);
+
+       if (!registry) {
+               g_clear_object (&session);
+               return FALSE;
+       }
+
+       sibling = e_source_registry_ref_source (registry, camel_service_get_uid (service));
+       if (sibling) {
+               GList *sources, *siter;
+
+               sources = e_source_registry_list_sources (registry, E_SOURCE_EXTENSION_MAIL_SUBMISSION);
+               for (siter = sources; siter; siter = siter->next) {
+                       source = siter->data;
+
+                       if (!source || g_strcmp0 (e_source_get_parent (source), e_source_get_parent 
(sibling)) != 0 ||
+                           !e_source_has_extension (source, E_SOURCE_EXTENSION_MAIL_SUBMISSION) ||
+                           !e_source_has_extension (source, E_SOURCE_EXTENSION_MAIL_COMPOSITION))
+                               source = NULL;
+                       else
+                               break;
+               }
+
+               if (source &&
+                   e_source_has_extension (source, E_SOURCE_EXTENSION_MAIL_SUBMISSION) &&
+                   e_source_has_extension (source, E_SOURCE_EXTENSION_MAIL_COMPOSITION)) {
+                       ESourceMailSubmission *subm_extension;
+                       CamelStore *store = NULL;
+                       gchar *folder_name = NULL;
+
+                       subm_extension = e_source_get_extension (source, E_SOURCE_EXTENSION_MAIL_SUBMISSION);
+
+                       if (e_source_mail_submission_get_sent_folder (subm_extension) &&
+                           e_mail_folder_uri_parse (session,
+                               e_source_mail_submission_get_sent_folder (subm_extension),
+                               &store, &folder_name, NULL) & CAMEL_IS_EWS_STORE (store)) {
+                               CamelEwsStore *ews_store = CAMEL_EWS_STORE (store);
+                               gchar *folder_id_str;
+
+                               folder_id_str = camel_ews_store_summary_get_folder_id_from_name (
+                                       ews_store->summary, folder_name);
+                               if (folder_id_str) {
+                                       gchar *change_key;
+
+                                       change_key = camel_ews_store_summary_get_change_key 
(ews_store->summary, folder_name, NULL);
+                                       *folder_id = e_ews_folder_id_new (folder_id_str, change_key, FALSE);
+                                       g_free (change_key);
+
+                                       is_server_side = *folder_id != NULL;
+                               }
+
+                               g_free (folder_id_str);
+                       }
+
+                       g_clear_object (&store);
+                       g_free (folder_name);
+               }
+
+               g_list_free_full (sources, g_object_unref);
+               g_object_unref (sibling);
+       }
+
+       g_object_unref (registry);
+       g_clear_object (&session);
+
+       return is_server_side;
+}
+
+static gboolean
 ews_transport_connect_sync (CamelService *service,
                             GCancellable *cancellable,
                             GError **error)
@@ -81,6 +168,7 @@ ews_send_to_sync (CamelTransport *transport,
                   CamelMimeMessage *message,
                   CamelAddress *from,
                   CamelAddress *recipients,
+                 gboolean *out_sent_message_saved,
                   GCancellable *cancellable,
                   GError **error)
 {
@@ -90,6 +178,7 @@ ews_send_to_sync (CamelTransport *transport,
        CamelSettings *settings;
        CamelService *service;
        EEwsConnection *cnc;
+       EwsFolderId *folder_id = NULL;
        gchar *ews_email;
        gchar *host_url;
        gchar *user;
@@ -163,11 +252,17 @@ ews_send_to_sync (CamelTransport *transport,
                goto exit;
        }
 
+       if (ews_transport_sent_folder_is_server_side (service, &folder_id, cancellable)) {
+               if (out_sent_message_saved)
+                       *out_sent_message_saved = TRUE;
+       }
+
        success = camel_ews_utils_create_mime_message (
-               cnc, "SendOnly", NULL, message, NULL,
+               cnc, folder_id ? "SendAndSaveCopy" : "SendOnly", folder_id, message, NULL,
                from, recipients, NULL, NULL, cancellable, error);
 
        g_object_unref (cnc);
+       e_ews_folder_id_free (folder_id);
 
 exit:
        g_free (ews_email);