Add a method to return a list of upgrades for a specific device

libfwupd/fwupd-client.c

@@ -616,6 +616,51 @@ fwupd_client_get_downgrades (FwupdClient *client, const gchar *device_id,
 	return fwupd_client_parse_releases_from_variant (val);
 }
 
+/**
+ * fwupd_client_get_upgrades:
+ * @client: A #FwupdClient
+ * @device_id: the device ID
+ * @cancellable: the #GCancellable, or %NULL
+ * @error: the #GError, or %NULL
+ *
+ * Gets all the upgrades for a specific device.
+ *
+ * Returns: (element-type FwupdRelease) (transfer container): results
+ *
+ * Since: 0.9.8
+ **/
+GPtrArray *
+fwupd_client_get_upgrades (FwupdClient *client, const gchar *device_id,
+			   GCancellable *cancellable, GError **error)
+{
+	FwupdClientPrivate *priv = GET_PRIVATE (client);
+	g_autoptr(GVariant) val = NULL;
+
+	g_return_val_if_fail (FWUPD_IS_CLIENT (client), NULL);
+	g_return_val_if_fail (device_id != NULL, NULL);
+	g_return_val_if_fail (cancellable == NULL || G_IS_CANCELLABLE (cancellable), NULL);
+	g_return_val_if_fail (error == NULL || *error == NULL, NULL);
+
+	/* connect */
+	if (!fwupd_client_connect (client, cancellable, error))
+		return NULL;
+
+	/* call into daemon */
+	val = g_dbus_proxy_call_sync (priv->proxy,
+				      "GetUpgrades",
+				      g_variant_new ("(s)", device_id),
+				      G_DBUS_CALL_FLAGS_NONE,
+				      -1,
+				      cancellable,
+				      error);
+	if (val == NULL) {
+		if (error != NULL)
+			fwupd_client_fixup_dbus_error (*error);
+		return NULL;
+	}
+	return fwupd_client_parse_releases_from_variant (val);
+}
+
 static void
 fwupd_client_proxy_call_cb (GObject *source, GAsyncResult *res, gpointer user_data)
 {

libfwupd/fwupd-client.h

@@ -71,6 +71,10 @@ GPtrArray	*fwupd_client_get_downgrades		(FwupdClient	*client,
 							 const gchar	*device_id,
 							 GCancellable	*cancellable,
 							 GError		**error);
+GPtrArray	*fwupd_client_get_upgrades		(FwupdClient	*client,
+							 const gchar	*device_id,
+							 GCancellable	*cancellable,
+							 GError		**error);
 GPtrArray	*fwupd_client_get_details_local		(FwupdClient	*client,
 							 const gchar	*filename,
 							 GCancellable	*cancellable,

src/fu-engine.c

@@ -2235,6 +2235,7 @@ fu_engine_get_releases (FuEngine *self, const gchar *device_id, GError **error)
 				     "No releases for device");
 		return NULL;
 	}
+	g_ptr_array_sort (releases, fu_engine_sort_releases_cb);
 	return g_steal_pointer (&releases);
 }
 
@@ -2331,6 +2332,86 @@ fu_engine_get_downgrades (FuEngine *self, const gchar *device_id, GError **error
 	return g_steal_pointer (&releases);
 }
 
+/**
+ * fu_engine_get_upgrades:
+ * @self: A #FuEngine
+ * @device_id: A device ID
+ * @error: A #GError, or %NULL
+ *
+ * Gets the upgrades available for a specific device.
+ *
+ * Returns: (transfer container) (element-type FwupdResult): results
+ **/
+GPtrArray *
+fu_engine_get_upgrades (FuEngine *self, const gchar *device_id, GError **error)
+{
+	FuDeviceItem *item;
+	g_autoptr(GPtrArray) releases = NULL;
+	g_autoptr(GPtrArray) releases_tmp = NULL;
+	g_autoptr(GString) error_str = g_string_new (NULL);
+
+	g_return_val_if_fail (FU_IS_ENGINE (self), NULL);
+	g_return_val_if_fail (device_id != NULL, NULL);
+	g_return_val_if_fail (error == NULL || *error == NULL, NULL);
+
+	/* find the device */
+	item = fu_engine_get_item_by_id (self, device_id, error);
+	if (item == NULL)
+		return NULL;
+
+	/* get all the releases for the device */
+	releases_tmp = fu_engine_get_releases_for_device (self, item->device, error);
+	if (releases_tmp == NULL)
+		return NULL;
+	releases = g_ptr_array_new_with_free_func ((GDestroyNotify) g_object_unref);
+	for (guint i = 0; i < releases_tmp->len; i++) {
+		FwupdRelease *rel_tmp = g_ptr_array_index (releases_tmp, i);
+		gint vercmp;
+
+		/* only include older firmware */
+		vercmp = as_utils_vercmp (fwupd_release_get_version (rel_tmp),
+					  fu_device_get_version (item->device));
+		if (vercmp == 0) {
+			g_string_append_printf (error_str, "%s=same, ",
+						fwupd_release_get_version (rel_tmp));
+			g_debug ("ignoring %s as the same as %s",
+				 fwupd_release_get_version (rel_tmp),
+				 fu_device_get_version (item->device));
+			continue;
+		}
+		if (vercmp < 0) {
+			g_string_append_printf (error_str, "%s=older, ",
+						fwupd_release_get_version (rel_tmp));
+			g_debug ("ignoring %s as older than %s",
+				 fwupd_release_get_version (rel_tmp),
+				 fu_device_get_version (item->device));
+			continue;
+		}
+		g_ptr_array_add (releases, g_object_ref (rel_tmp));
+	}
+	if (error_str->len > 2)
+		g_string_truncate (error_str, error_str->len - 2);
+	if (releases->len == 0) {
+		if (error_str->len > 0) {
+			g_set_error (error,
+				     FWUPD_ERROR,
+				     FWUPD_ERROR_NOTHING_TO_DO,
+				     "No upgrades for device, current is %s: %s",
+				     fu_device_get_version (item->device),
+				     error_str->str);
+		} else {
+			g_set_error (error,
+				     FWUPD_ERROR,
+				     FWUPD_ERROR_NOTHING_TO_DO,
+				     "No upgrades for device, current is %s",
+				     fu_device_get_version (item->device));
+		}
+		return NULL;
+	}
+	g_ptr_array_sort (releases, fu_engine_sort_releases_cb);
+	return g_steal_pointer (&releases);
+}
+
 /**
  * fu_engine_clear_results:
  * @self: A #FuEngine

src/fu-engine.h

@@ -63,6 +63,9 @@ GPtrArray	*fu_engine_get_releases			(FuEngine	*self,
 GPtrArray	*fu_engine_get_downgrades		(FuEngine	*self,
 							 const gchar	*device_id,
 							 GError		**error);
+GPtrArray	*fu_engine_get_upgrades			(FuEngine	*self,
+							 const gchar	*device_id,
+							 GError		**error);
 FwupdResult	*fu_engine_get_results			(FuEngine	*self,
 							 const gchar	*device_id,
 							 GError		**error);

src/fu-main.c

@@ -469,6 +469,20 @@ fu_main_daemon_method_call (GDBusConnection *connection, const gchar *sender,
 		g_dbus_method_invocation_return_value (invocation, val);
 		return;
 	}
+	if (g_strcmp0 (method_name, "GetUpgrades") == 0) {
+		const gchar *device_id;
+		g_autoptr(GPtrArray) releases = NULL;
+		g_variant_get (parameters, "(&s)", &device_id);
+		g_debug ("Called %s(%s)", method_name, device_id);
+		releases = fu_engine_get_upgrades (priv->engine, device_id, &error);
+		if (releases == NULL) {
+			g_dbus_method_invocation_return_gerror (invocation, error);
+			return;
+		}
+		val = fu_main_release_array_to_variant (releases);
+		g_dbus_method_invocation_return_value (invocation, val);
+		return;
+	}
 	if (g_strcmp0 (method_name, "GetRemotes") == 0) {
 		g_autoptr(GPtrArray) remotes = NULL;
 		g_debug ("Called %s()", method_name);

src/org.freedesktop.fwupd.xml

@@ -140,6 +140,36 @@
       </arg>
     </method>
 
+    <!--***********************************************************-->
+    <method name='GetUpgrades'>
+      <doc:doc>
+        <doc:description>
+          <doc:para>
+            Gets a list of all the upgrades possible for a specific device.
+          </doc:para>
+        </doc:description>
+      </doc:doc>
+      <arg type='s' name='device_id' direction='in'>
+        <doc:doc>
+          <doc:summary>
+            <doc:para>
+              A device ID.
+            </doc:para>
+          </doc:summary>
+        </doc:doc>
+      </arg>
+      <arg type='aa{sv}' name='releases' direction='out'>
+        <doc:doc>
+          <doc:summary>
+            <doc:para>
+              An array of releases (with the release number as the key),
+              with any properties set on each.
+            </doc:para>
+          </doc:summary>
+        </doc:doc>
+      </arg>
+    </method>
+
     <!--***********************************************************-->
     <method name='GetDetailsLocal'>
       <doc:doc>