[evolution-mapi] Bug 773419 - Age limit for offline message download ][

[Milan Crha <mcrha src gnome org>]

commit 0c91f9349a58fc0b1904d8cefb0d0da0beeb94a9
Author: Milan Crha <mcrha redhat com>
Date:   Wed Dec 14 15:20:20 2016 +0100

    Bug 773419 - Age limit for offline message download ][

 src/camel/camel-mapi-folder.c |   30 +++++++++++++++++++++++++++++-
 1 files changed, 29 insertions(+), 1 deletions(-)
---
diff --git a/src/camel/camel-mapi-folder.c b/src/camel/camel-mapi-folder.c
index 7530af1..f49f40b 100644
--- a/src/camel/camel-mapi-folder.c
+++ b/src/camel/camel-mapi-folder.c
@@ -2013,11 +2013,20 @@ camel_mapi_folder_new (CamelStore *store,
        const gchar *short_name;
        CamelStoreInfo *si;
        gboolean filter_inbox;
+       gboolean offline_limit_by_age = FALSE;
+       CamelTimeUnit offline_limit_unit;
+       gint offline_limit_value;
 
        service = CAMEL_SERVICE (store);
        settings = camel_service_ref_settings (service);
 
-       filter_inbox = camel_store_settings_get_filter_inbox (CAMEL_STORE_SETTINGS (settings));
+       g_object_get (
+               settings,
+               "filter-inbox", &filter_inbox,
+               "limit-by-age", &offline_limit_by_age,
+               "limit-unit", &offline_limit_unit,
+               "limit-value", &offline_limit_value,
+               NULL);
 
        g_object_unref (settings);
 
@@ -2063,6 +2072,25 @@ camel_mapi_folder_new (CamelStore *store,
                return NULL;
        }
 
+       if (camel_offline_folder_can_downsync (CAMEL_OFFLINE_FOLDER (folder))) {
+               time_t when = (time_t) 0;
+
+               if (offline_limit_by_age)
+                       when = camel_time_value_apply (when, offline_limit_unit, offline_limit_value);
+
+               if (when <= (time_t) 0)
+                       when = (time_t) -1;
+
+               /* Ensure cache will expire when set up, otherwise
+                * it causes redownload of messages too soon. */
+               camel_data_cache_set_expire_age (mapi_folder->cache, when);
+               camel_data_cache_set_expire_access (mapi_folder->cache, when);
+       } else {
+               /* Set cache expiration for one week. */
+               camel_data_cache_set_expire_age (mapi_folder->cache, 60 * 60 * 24 * 7);
+               camel_data_cache_set_expire_access (mapi_folder->cache, 60 * 60 * 24 * 7);
+       }
+
        if (filter_inbox) {
                CamelFolderInfo *fi;