GdkPixbuf*
utils_download_picture_if_newer(SoupSession* soup, const gchar* url, gint64 timestamp)
{
SoupMessage* msg;
guint soup_status;
const gchar* last_modified;
GdkPixbuf* ret;
msg = soup_message_new(SOUP_METHOD_HEAD, url);
soup_status = soup_session_send_message(soup, msg);
if (SOUP_STATUS_IS_SUCCESSFUL(soup_status) &&
(last_modified = soup_message_headers_get_one(msg->response_headers, "Last-Modified")) != NULL &&
utils_http_full_date_to_timestamp(last_modified) < timestamp)
{
g_info("{Utils} No new content at url '%s'", url);
ret = NULL;
}
else
ret = utils_download_picture(soup, url);
g_object_unref(msg);
return ret;
}
/* FIXME: Throw error */
static GdkPixbuf*
download_image(GtResourceDownloader* self,
const gchar* uri, const gchar* name,
SoupMessage* msg, GInputStream* istream,
gboolean* from_file, GError** error)
{
RETURN_VAL_IF_FAIL(GT_IS_RESOURCE_DOWNLOADER(self), NULL);
RETURN_VAL_IF_FAIL(!utils_str_empty(uri), NULL);
RETURN_VAL_IF_FAIL(SOUP_IS_MESSAGE(msg), NULL);
RETURN_VAL_IF_FAIL(G_IS_INPUT_STREAM(istream), NULL);
GtResourceDownloaderPrivate* priv = gt_resource_downloader_get_instance_private(self);
g_autofree gchar* filename = NULL;
gint64 file_timestamp = 0;
gboolean file_exists = FALSE;
g_autoptr(GdkPixbuf) ret = NULL;
g_autoptr(GError) err = NULL;
/* NOTE: If we aren't supplied a filename, we'll just create one by hashing the uri */
if (utils_str_empty(name))
{
gchar hash_str[15];
guint hash = 0;
hash = g_str_hash(uri); /* TODO: Replace this with murmur3 hash */
g_sprintf(hash_str, "%ud", hash);
filename = g_build_filename(priv->filepath, hash_str, NULL);
}
else
filename = g_build_filename(priv->filepath, name, NULL);
if (priv->filepath && (file_exists = g_file_test(filename, G_FILE_TEST_EXISTS)))
{
file_timestamp = utils_timestamp_file(filename, NULL);
}
if (SOUP_STATUS_IS_SUCCESSFUL(msg->status_code))
{
const gchar* last_modified_str = NULL;
DEBUG("Successful return code from uri '%s'", uri);
last_modified_str = soup_message_headers_get_one(msg->response_headers, "Last-Modified");
if (utils_str_empty(last_modified_str))
{
DEBUG("No 'Last-Modified' header in response from uri '%s'", uri);
goto download;
}
else if (utils_http_full_date_to_timestamp(last_modified_str) < file_timestamp)
{
DEBUG("No new image at uri '%s'", uri);
if (file_exists)
{
DEBUG("Loading image from file '%s'", filename);
ret = gdk_pixbuf_new_from_file(filename, NULL);
if (from_file) *from_file = TRUE;
}
else
{
DEBUG("Image doesn't exist locally");
goto download;
}
}
else
{
download:
DEBUG("New image at uri '%s'", uri);
ret = gdk_pixbuf_new_from_stream(istream, NULL, &err);
if (err)
{
WARNING("Unable to download image from uri '%s' because: %s",
uri, err->message);
g_propagate_prefixed_error(error, g_steal_pointer(&err),
"Unable to download image from uri '%s' because: ", uri);
return NULL;
}
if (priv->filepath && STRING_EQUALS(priv->image_filetype, GT_IMAGE_FILETYPE_JPEG))
{
gdk_pixbuf_save(ret, filename, priv->image_filetype,
NULL, "quality", "100", NULL);
}
else if (priv->filepath)
{
gdk_pixbuf_save(ret, filename, priv->image_filetype,
NULL, NULL);
}
if (from_file) *from_file = FALSE;
}
}
return g_steal_pointer(&ret);
}
