/**
* pk_package_sack_filter:
* @sack: a valid #PkPackageSack instance
* @filter_cb: (scope call): a #PkPackageSackFilterFunc, which returns %TRUE for the #PkPackage's to add
* @user_data: user data to pass to @filter_cb
*
* Returns a new package sack which only matches packages that return %TRUE
* from the filter function.
*
* Return value: (transfer full): a new #PkPackageSack, free with g_object_unref()
*
* Since: 0.6.3
**/
PkPackageSack *
pk_package_sack_filter (PkPackageSack *sack, PkPackageSackFilterFunc filter_cb, gpointer user_data)
{
PkPackageSack *results;
PkPackage *package;
guint i;
PkPackageSackPrivate *priv = sack->priv;
g_return_val_if_fail (PK_IS_PACKAGE_SACK (sack), NULL);
g_return_val_if_fail (filter_cb != NULL, NULL);
/* create new sack */
results = pk_package_sack_new ();
/* add each that matches the info enum */
for (i = 0; i < priv->array->len; i++) {
package = g_ptr_array_index (priv->array, i);
if (filter_cb (package, user_data))
pk_package_sack_add_package (results, package);
}
return results;
}
/**
* pk_offline_get_prepared_sack:
* @error: A #GError or %NULL
*
* Gets a package sack of the packages in the prepared transaction.
*
* Return value: (transfer full): A new #PkPackageSack, or %NULL
*
* Since: 0.9.6
**/
PkPackageSack *
pk_offline_get_prepared_sack (GError **error)
{
guint i;
g_autoptr(PkPackageSack) sack = NULL;
g_auto(GStrv) package_ids = NULL;
/* get the list of packages */
package_ids = pk_offline_get_prepared_ids (error);
if (package_ids == NULL)
return NULL;
/* add them to the new array */
sack = pk_package_sack_new ();
for (i = 0; package_ids[i] != NULL; i++) {
if (!pk_package_sack_add_package_by_id (sack,
package_ids[i],
error))
return NULL;
}
return g_object_ref (sack);
}
/**
* pk_plugin_get_existing_prepared_updates:
**/
static PkPackageSack *
pk_plugin_get_existing_prepared_updates (const gchar *filename)
{
gboolean ret;
gchar **package_ids = NULL;
gchar *packages_data = NULL;
GError *error = NULL;
PkPackageSack *sack;
guint i;
/* always return a valid sack, even for failure */
sack = pk_package_sack_new ();
/* does the file exist ? */
if (!g_file_test (filename, G_FILE_TEST_EXISTS))
goto out;
/* get the list of packages to update */
ret = g_file_get_contents (filename,
&packages_data,
NULL,
&error);
if (!ret) {
g_warning ("failed to read: %s", error->message);
g_error_free (error);
goto out;
}
/* add them to the new array */
package_ids = g_strsplit (packages_data, "\n", -1);
for (i = 0; package_ids[i] != NULL; i++)
pk_package_sack_add_package_by_id (sack, package_ids[i], NULL);
out:
g_free (packages_data);
g_strfreev (package_ids);
return sack;
}
/**
* pk_package_sack_filter_by_info:
* @sack: a valid #PkPackageSack instance
* @info: a %PkInfoEnum value to match
*
* Returns a new package sack which only matches packages that match the
* specified info enum value.
*
* Return value: (transfer full): a new #PkPackageSack, free with g_object_unref()
*
* Since: 0.6.2
**/
PkPackageSack *
pk_package_sack_filter_by_info (PkPackageSack *sack, PkInfoEnum info)
{
PkPackageSack *results;
PkPackage *package;
PkInfoEnum info_tmp;
guint i;
PkPackageSackPrivate *priv = sack->priv;
g_return_val_if_fail (PK_IS_PACKAGE_SACK (sack), NULL);
/* create new sack */
results = pk_package_sack_new ();
/* add each that matches the info enum */
for (i = 0; i < priv->array->len; i++) {
package = g_ptr_array_index (priv->array, i);
info_tmp = pk_package_get_info (package);
if (info_tmp == info)
pk_package_sack_add_package (results, package);
}
return results;
}
