diff options
Diffstat (limited to 'plugins/fedora-pkgdb-collections/gs-plugin-fedora-pkgdb-collections.c')
| -rw-r--r-- | plugins/fedora-pkgdb-collections/gs-plugin-fedora-pkgdb-collections.c | 855 |
1 files changed, 855 insertions, 0 deletions
diff --git a/plugins/fedora-pkgdb-collections/gs-plugin-fedora-pkgdb-collections.c b/plugins/fedora-pkgdb-collections/gs-plugin-fedora-pkgdb-collections.c new file mode 100644 index 0000000..1f788ca --- /dev/null +++ b/plugins/fedora-pkgdb-collections/gs-plugin-fedora-pkgdb-collections.c @@ -0,0 +1,855 @@ +/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- + * vi:set noexpandtab tabstop=8 shiftwidth=8: + * + * Copyright (C) 2016-2018 Kalev Lember <klember@redhat.com> + * Copyright (C) 2017 Richard Hughes <richard@hughsie.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <config.h> + +#include <glib/gi18n.h> +#include <json-glib/json-glib.h> +#include <gnome-software.h> + +#include "gs-plugin-fedora-pkgdb-collections.h" + +/* + * SECTION: + * Queries the list of Fedora package collections. + * + * This plugin downloads a file and performs some basic parsing on it. It + * executes entirely in the main thread, and therefore does not require any + * locking. + */ + +#define FEDORA_PKGDB_COLLECTIONS_API_URI "https://admin.fedoraproject.org/pkgdb/api/collections/" + +struct _GsPluginFedoraPkgdbCollections { + GsPlugin parent; + + /* Only set at setup time, then read only: */ + gchar *cachefn; /* (owned) (not nullable) */ + GFileMonitor *cachefn_monitor; /* (owned) (not nullable) */ + gchar *os_name; /* (owned) (not nullable) */ + guint64 os_version; + GsApp *cached_origin; /* (owned) (not nullable) */ + GSettings *settings; /* (owned) (not nullable) */ + + /* Contents may vary throughout the plugin’s lifetime: */ + gboolean is_valid; + GPtrArray *distros; /* (owned) (not nullable) (element-type PkgdbItem) */ +}; + +G_DEFINE_TYPE (GsPluginFedoraPkgdbCollections, gs_plugin_fedora_pkgdb_collections, GS_TYPE_PLUGIN) + +typedef enum { + PKGDB_ITEM_STATUS_ACTIVE, + PKGDB_ITEM_STATUS_DEVEL, + PKGDB_ITEM_STATUS_EOL, + PKGDB_ITEM_STATUS_LAST +} PkgdbItemStatus; + +typedef struct { + gchar *name; + PkgdbItemStatus status; + guint version; +} PkgdbItem; + +static void +_pkgdb_item_free (PkgdbItem *item) +{ + g_free (item->name); + g_slice_free (PkgdbItem, item); +} + +static void +gs_plugin_fedora_pkgdb_collections_init (GsPluginFedoraPkgdbCollections *self) +{ + GsPlugin *plugin = GS_PLUGIN (self); + + /* check that we are running on Fedora */ + if (!gs_plugin_check_distro_id (plugin, "fedora")) { + gs_plugin_set_enabled (plugin, FALSE); + g_debug ("disabling '%s' as we're not Fedora", gs_plugin_get_name (plugin)); + return; + } + self->distros = g_ptr_array_new_with_free_func ((GDestroyNotify) _pkgdb_item_free); + self->settings = g_settings_new ("org.gnome.software"); + + /* require the GnomeSoftware::CpeName metadata */ + gs_plugin_add_rule (plugin, GS_PLUGIN_RULE_RUN_AFTER, "os-release"); + + /* old name */ + gs_plugin_add_rule (plugin, GS_PLUGIN_RULE_CONFLICTS, "fedora-distro-upgrades"); +} + +static void +gs_plugin_fedora_pkgdb_collections_dispose (GObject *object) +{ + GsPluginFedoraPkgdbCollections *self = GS_PLUGIN_FEDORA_PKGDB_COLLECTIONS (object); + + g_clear_object (&self->cachefn_monitor); + g_clear_object (&self->cached_origin); + g_clear_object (&self->settings); + + G_OBJECT_CLASS (gs_plugin_fedora_pkgdb_collections_parent_class)->dispose (object); +} + +static void +gs_plugin_fedora_pkgdb_collections_finalize (GObject *object) +{ + GsPluginFedoraPkgdbCollections *self = GS_PLUGIN_FEDORA_PKGDB_COLLECTIONS (object); + + g_clear_pointer (&self->distros, g_ptr_array_unref); + g_clear_pointer (&self->os_name, g_free); + g_clear_pointer (&self->cachefn, g_free); + + G_OBJECT_CLASS (gs_plugin_fedora_pkgdb_collections_parent_class)->finalize (object); +} + +/* Runs in the main thread. */ +static void +_file_changed_cb (GFileMonitor *monitor, + GFile *file, GFile *other_file, + GFileMonitorEvent event_type, + gpointer user_data) +{ + GsPluginFedoraPkgdbCollections *self = GS_PLUGIN_FEDORA_PKGDB_COLLECTIONS (user_data); + + g_debug ("cache file changed, so reloading upgrades list"); + gs_plugin_updates_changed (GS_PLUGIN (self)); + + self->is_valid = FALSE; +} + +static void +gs_plugin_fedora_pkgdb_collections_setup_async (GsPlugin *plugin, + GCancellable *cancellable, + GAsyncReadyCallback callback, + gpointer user_data) +{ + GsPluginFedoraPkgdbCollections *self = GS_PLUGIN_FEDORA_PKGDB_COLLECTIONS (plugin); + const gchar *verstr = NULL; + gchar *endptr = NULL; + g_autoptr(GFile) file = NULL; + g_autoptr(GsOsRelease) os_release = NULL; + g_autoptr(GTask) task = NULL; + g_autoptr(GError) local_error = NULL; + + task = g_task_new (plugin, cancellable, callback, user_data); + g_task_set_source_tag (task, gs_plugin_fedora_pkgdb_collections_setup_async); + + /* get the file to cache */ + self->cachefn = gs_utils_get_cache_filename ("fedora-pkgdb-collections", + "fedora.json", + GS_UTILS_CACHE_FLAG_WRITEABLE | + GS_UTILS_CACHE_FLAG_CREATE_DIRECTORY, + &local_error); + if (self->cachefn == NULL) { + g_task_return_error (task, g_steal_pointer (&local_error)); + return; + } + + /* watch this in case it is changed by the user */ + file = g_file_new_for_path (self->cachefn); + self->cachefn_monitor = g_file_monitor (file, + G_FILE_MONITOR_NONE, + cancellable, + &local_error); + if (self->cachefn_monitor == NULL) { + g_task_return_error (task, g_steal_pointer (&local_error)); + return; + } + + g_signal_connect (self->cachefn_monitor, "changed", + G_CALLBACK (_file_changed_cb), plugin); + + /* read os-release for the current versions */ + os_release = gs_os_release_new (&local_error); + if (os_release == NULL) { + g_task_return_error (task, g_steal_pointer (&local_error)); + return; + } + + self->os_name = g_strdup (gs_os_release_get_name (os_release)); + if (self->os_name == NULL) { + g_task_return_new_error (task, GS_PLUGIN_ERROR, GS_PLUGIN_ERROR_INVALID_FORMAT, + "OS release had no name"); + return; + } + + verstr = gs_os_release_get_version_id (os_release); + if (verstr == NULL) { + g_task_return_new_error (task, GS_PLUGIN_ERROR, GS_PLUGIN_ERROR_INVALID_FORMAT, + "OS release had no version ID"); + return; + } + + /* parse the version */ + self->os_version = g_ascii_strtoull (verstr, &endptr, 10); + if (endptr == verstr || self->os_version > G_MAXUINT) { + g_task_return_new_error (task, GS_PLUGIN_ERROR, GS_PLUGIN_ERROR_INVALID_FORMAT, + "Failed parse VERSION_ID: %s", verstr); + return; + } + + /* add source */ + self->cached_origin = gs_app_new (gs_plugin_get_name (plugin)); + gs_app_set_kind (self->cached_origin, AS_COMPONENT_KIND_REPOSITORY); + gs_app_set_origin_hostname (self->cached_origin, + FEDORA_PKGDB_COLLECTIONS_API_URI); + gs_app_set_management_plugin (self->cached_origin, plugin); + + /* add the source to the plugin cache which allows us to match the + * unique ID to a GsApp when creating an event */ + gs_plugin_cache_add (plugin, + gs_app_get_unique_id (self->cached_origin), + self->cached_origin); + + /* success */ + g_task_return_boolean (task, TRUE); +} + +static gboolean +gs_plugin_fedora_pkgdb_collections_setup_finish (GsPlugin *plugin, + GAsyncResult *result, + GError **error) +{ + return g_task_propagate_boolean (G_TASK (result), error); +} + +static void download_cb (GObject *source_object, + GAsyncResult *result, + gpointer user_data); + +static void +_refresh_cache_async (GsPluginFedoraPkgdbCollections *self, + guint64 cache_age_secs, + GCancellable *cancellable, + GAsyncReadyCallback callback, + gpointer user_data) +{ + GsPlugin *plugin = GS_PLUGIN (self); + g_autoptr(GsApp) app_dl = gs_app_new (gs_plugin_get_name (plugin)); + g_autoptr(GTask) task = NULL; + g_autoptr(GFile) output_file = g_file_new_for_path (self->cachefn); + g_autoptr(SoupSession) soup_session = NULL; + + task = g_task_new (self, cancellable, callback, user_data); + g_task_set_source_tag (task, _refresh_cache_async); + + /* check cache age */ + if (cache_age_secs > 0) { + guint64 tmp = gs_utils_get_file_age (output_file); + if (tmp < cache_age_secs) { + g_debug ("%s is only %" G_GUINT64_FORMAT " seconds old", + self->cachefn, tmp); + g_task_return_boolean (task, TRUE); + return; + } + } + + /* download new file */ + gs_app_set_summary_missing (app_dl, + /* TRANSLATORS: status text when downloading */ + _("Downloading upgrade information…")); + + soup_session = gs_build_soup_session (); + + gs_download_file_async (soup_session, + FEDORA_PKGDB_COLLECTIONS_API_URI, + output_file, + G_PRIORITY_LOW, + NULL, NULL, /* FIXME: progress reporting */ + cancellable, + download_cb, + g_steal_pointer (&task)); +} + +static void +download_cb (GObject *source_object, + GAsyncResult *result, + gpointer user_data) +{ + SoupSession *soup_session = SOUP_SESSION (source_object); + g_autoptr(GTask) task = g_steal_pointer (&user_data); + GsPluginFedoraPkgdbCollections *self = g_task_get_source_object (task); + g_autoptr(GError) local_error = NULL; + + if (!gs_download_file_finish (soup_session, result, &local_error) && + !g_error_matches (local_error, GS_DOWNLOAD_ERROR, GS_DOWNLOAD_ERROR_NOT_MODIFIED)) { + g_autoptr(GError) wrapped_error = NULL; + + /* Wrap in a GsPluginError. */ + g_set_error_literal (&wrapped_error, + GS_PLUGIN_ERROR, + GS_PLUGIN_ERROR_DOWNLOAD_FAILED, + local_error->message); + + gs_utils_error_add_origin_id (&wrapped_error, self->cached_origin); + g_task_return_error (task, g_steal_pointer (&wrapped_error)); + return; + } + + /* success */ + self->is_valid = FALSE; + + g_task_return_boolean (task, TRUE); +} + +static gboolean +_refresh_cache_finish (GsPluginFedoraPkgdbCollections *self, + GAsyncResult *result, + GError **error) +{ + return g_task_propagate_boolean (G_TASK (result), error); +} + +static void +gs_plugin_fedora_pkgdb_collections_refresh_metadata_async (GsPlugin *plugin, + guint64 cache_age_secs, + GsPluginRefreshMetadataFlags flags, + GCancellable *cancellable, + GAsyncReadyCallback callback, + gpointer user_data) +{ + GsPluginFedoraPkgdbCollections *self = GS_PLUGIN_FEDORA_PKGDB_COLLECTIONS (plugin); + _refresh_cache_async (self, cache_age_secs, cancellable, callback, user_data); +} + +static gboolean +gs_plugin_fedora_pkgdb_collections_refresh_metadata_finish (GsPlugin *plugin, + GAsyncResult *result, + GError **error) +{ + return _refresh_cache_finish (GS_PLUGIN_FEDORA_PKGDB_COLLECTIONS (plugin), + result, + error); +} + +static gchar * +_get_upgrade_css_background (guint version) +{ + g_autofree gchar *version_str = g_strdup_printf ("%u", version); + g_autofree gchar *filename0 = NULL; + g_autofree gchar *filename1 = NULL; + g_autofree gchar *filename2 = NULL; + + /* Check the standard location. */ + filename0 = gs_utils_get_upgrade_background (version_str); + if (filename0 != NULL) + return g_strdup_printf ("url('file://%s')", filename0); + + /* Fedora-specific locations. Deprecated. */ + filename1 = g_strdup_printf ("/usr/share/backgrounds/f%u/default/standard/f%u.png", version, version); + if (g_file_test (filename1, G_FILE_TEST_EXISTS)) + return g_strdup_printf ("url('file://%s')", filename1); + + filename2 = g_strdup_printf ("/usr/share/gnome-software/backgrounds/f%u.png", version); + if (g_file_test (filename2, G_FILE_TEST_EXISTS)) + return g_strdup_printf ("url('file://%s')", filename2); + + return NULL; +} + +static gint +_sort_items_cb (gconstpointer a, gconstpointer b) +{ + PkgdbItem *item_a = *((PkgdbItem **) a); + PkgdbItem *item_b = *((PkgdbItem **) b); + + if (item_a->version > item_b->version) + return 1; + if (item_a->version < item_b->version) + return -1; + return 0; +} + +static GsApp * +_create_upgrade_from_info (GsPluginFedoraPkgdbCollections *self, + PkgdbItem *item) +{ + GsApp *app; + g_autofree gchar *app_id = NULL; + g_autofree gchar *app_version = NULL; + g_autofree gchar *background = NULL; + g_autofree gchar *cache_key = NULL; + g_autofree gchar *css = NULL; + g_autofree gchar *url = NULL; + g_autoptr(GFile) icon_file = NULL; + g_autoptr(GIcon) ic = NULL; + + /* search in the cache */ + cache_key = g_strdup_printf ("release-%u", item->version); + app = gs_plugin_cache_lookup (GS_PLUGIN (self), cache_key); + if (app != NULL) + return app; + + app_id = g_strdup_printf ("org.fedoraproject.fedora-%u", item->version); + app_version = g_strdup_printf ("%u", item->version); + + /* icon from disk */ + icon_file = g_file_new_for_path ("/usr/share/pixmaps/fedora-logo-sprite.png"); + ic = g_file_icon_new (icon_file); + + /* create */ + app = gs_app_new (app_id); + gs_app_set_state (app, GS_APP_STATE_AVAILABLE); + gs_app_set_kind (app, AS_COMPONENT_KIND_OPERATING_SYSTEM); + gs_app_set_bundle_kind (app, AS_BUNDLE_KIND_PACKAGE); + gs_app_set_name (app, GS_APP_QUALITY_LOWEST, item->name); + gs_app_set_summary (app, GS_APP_QUALITY_LOWEST, + /* TRANSLATORS: this is a title for Fedora distro upgrades */ + _("Upgrade for the latest features, performance and stability improvements.")); + gs_app_set_version (app, app_version); + gs_app_set_size_installed (app, GS_SIZE_TYPE_UNKNOWABLE, 0); + gs_app_set_size_download (app, GS_SIZE_TYPE_UNKNOWABLE, 0); + gs_app_set_license (app, GS_APP_QUALITY_LOWEST, "LicenseRef-free"); + gs_app_add_quirk (app, GS_APP_QUIRK_NEEDS_REBOOT); + gs_app_add_quirk (app, GS_APP_QUIRK_PROVENANCE); + gs_app_add_quirk (app, GS_APP_QUIRK_NOT_REVIEWABLE); + gs_app_add_icon (app, ic); + + /* show a Fedora magazine article for the release */ + url = g_strdup_printf ("https://fedoramagazine.org/whats-new-fedora-%u-workstation", + item->version); + gs_app_set_url (app, AS_URL_KIND_HOMEPAGE, url); + + /* use a fancy background if possible, and suppress the border which is + * shown by default; the background image is designed to be borderless */ + background = _get_upgrade_css_background (item->version); + if (background != NULL) { + css = g_strdup_printf ("background: %s;" + "background-position: top;" + "background-size: 100%% 100%%;" + "color: white;" + "border-width: 0;", + background); + gs_app_set_metadata (app, "GnomeSoftware::UpgradeBanner-css", css); + } + + /* save in the cache */ + gs_plugin_cache_add (GS_PLUGIN (self), cache_key, app); + + /* success */ + return app; +} + +static gboolean +_is_valid_upgrade (GsPluginFedoraPkgdbCollections *self, + PkgdbItem *item) +{ + /* only interested in upgrades to the same distro */ + if (g_strcmp0 (item->name, self->os_name) != 0) + return FALSE; + + /* only interested in newer versions, but not more than N+2 */ + if (item->version <= self->os_version || + item->version > self->os_version + 2) + return FALSE; + + /* only interested in non-devel distros */ + if (!g_settings_get_boolean (self->settings, "show-upgrade-prerelease")) { + if (item->status == PKGDB_ITEM_STATUS_DEVEL) + return FALSE; + } + + /* success */ + return TRUE; +} + +static GPtrArray * +load_json (GsPluginFedoraPkgdbCollections *self, + GError **error) +{ + JsonArray *collections; + JsonNode *root_node; + JsonObject *root = NULL; + g_autoptr(JsonParser) parser = NULL; + g_autoptr(GPtrArray) new_distros = NULL; + + new_distros = g_ptr_array_new_with_free_func ((GDestroyNotify) _pkgdb_item_free); + parser = json_parser_new_immutable (); + + if (!json_parser_load_from_mapped_file (parser, self->cachefn, error)) + return NULL; + + root_node = json_parser_get_root (parser); + if (root_node != NULL && JSON_NODE_HOLDS_OBJECT (root_node)) + root = json_node_get_object (root_node); + if (root == NULL) { + g_set_error (error, + GS_PLUGIN_ERROR, + GS_PLUGIN_ERROR_INVALID_FORMAT, + "no root object"); + return NULL; + } + + collections = json_object_get_array_member (root, "collections"); + if (collections == NULL) { + g_set_error (error, + GS_PLUGIN_ERROR, + GS_PLUGIN_ERROR_INVALID_FORMAT, + "no collections object"); + return NULL; + } + + for (guint i = 0; i < json_array_get_length (collections); i++) { + PkgdbItem *item; + JsonObject *collection; + PkgdbItemStatus status; + const gchar *name; + const gchar *status_str; + const gchar *version_str; + gchar *endptr = NULL; + guint64 version; + + collection = json_array_get_object_element (collections, i); + if (collection == NULL) + continue; + + name = json_object_get_string_member (collection, "name"); + if (name == NULL) + continue; + + status_str = json_object_get_string_member (collection, "status"); + if (status_str == NULL) + continue; + + if (g_strcmp0 (status_str, "Active") == 0) + status = PKGDB_ITEM_STATUS_ACTIVE; + else if (g_strcmp0 (status_str, "Under Development") == 0) + status = PKGDB_ITEM_STATUS_DEVEL; + else if (g_strcmp0 (status_str, "EOL") == 0) + status = PKGDB_ITEM_STATUS_EOL; + else + continue; + + version_str = json_object_get_string_member (collection, "version"); + if (version_str == NULL) + continue; + + version = g_ascii_strtoull (version_str, &endptr, 10); + if (endptr == version_str || version > G_MAXUINT) + continue; + + /* add item */ + item = g_slice_new0 (PkgdbItem); + item->name = g_strdup (name); + item->status = status; + item->version = (guint) version; + g_ptr_array_add (new_distros, item); + } + + /* ensure in correct order */ + g_ptr_array_sort (new_distros, _sort_items_cb); + + /* success */ + g_clear_pointer (&self->distros, g_ptr_array_unref); + self->distros = g_ptr_array_ref (new_distros); + self->is_valid = TRUE; + + return g_steal_pointer (&new_distros); +} + +static void ensure_refresh_cb (GObject *source_object, + GAsyncResult *result, + gpointer user_data); + +/* This will return a strong reference to the latest distros + * #GPtrArray. The caller should use this in their computation. */ +static void +_ensure_cache_async (GsPluginFedoraPkgdbCollections *self, + GCancellable *cancellable, + GAsyncReadyCallback callback, + gpointer user_data) +{ + g_autoptr(GTask) task = NULL; + + task = g_task_new (self, cancellable, callback, user_data); + g_task_set_source_tag (task, _ensure_cache_async); + + /* already done */ + if (self->is_valid) { + g_task_return_pointer (task, g_ptr_array_ref (self->distros), (GDestroyNotify) g_ptr_array_unref); + return; + } + + /* Ensure there is any data, no matter how old. This can download from + * the network if needed. */ + _refresh_cache_async (self, G_MAXUINT, cancellable, + ensure_refresh_cb, g_steal_pointer (&task)); +} + +static void +ensure_refresh_cb (GObject *source_object, + GAsyncResult *result, + gpointer user_data) +{ + GsPluginFedoraPkgdbCollections *self = GS_PLUGIN_FEDORA_PKGDB_COLLECTIONS (source_object); + g_autoptr(GTask) task = g_steal_pointer (&user_data); + g_autoptr(GPtrArray) distros = NULL; + g_autoptr(GError) local_error = NULL; + + if (!_refresh_cache_finish (self, result, &local_error)) { + g_task_return_error (task, g_steal_pointer (&local_error)); + return; + } + + distros = load_json (self, &local_error); + if (distros == NULL) { + g_autoptr(GFile) cache_file = g_file_new_for_path (self->cachefn); + + g_debug ("Failed to load cache file ‘%s’, deleting it", self->cachefn); + g_file_delete (cache_file, NULL, NULL); + + g_task_return_error (task, g_steal_pointer (&local_error)); + return; + } + + g_task_return_pointer (task, g_steal_pointer (&distros), (GDestroyNotify) g_ptr_array_unref); +} + +static GPtrArray * +_ensure_cache_finish (GsPluginFedoraPkgdbCollections *self, + GAsyncResult *result, + GError **error) +{ + return g_task_propagate_pointer (G_TASK (result), error); +} + +static PkgdbItem * +_get_item_by_cpe_name (GPtrArray *distros, + const gchar *cpe_name) +{ + guint64 version; + g_auto(GStrv) split = NULL; + + /* split up 'cpe:/o:fedoraproject:fedora:26' to sections */ + split = g_strsplit (cpe_name, ":", -1); + if (g_strv_length (split) < 5) { + g_warning ("CPE invalid format: %s", cpe_name); + return NULL; + } + + /* find the correct collection */ + version = g_ascii_strtoull (split[4], NULL, 10); + if (version == 0) { + g_warning ("failed to parse CPE version: %s", split[4]); + return NULL; + } + for (guint i = 0; i < distros->len; i++) { + PkgdbItem *item = g_ptr_array_index (distros, i); + if (g_ascii_strcasecmp (item->name, split[3]) == 0 && + item->version == version) + return item; + } + return NULL; +} + +static void list_distro_upgrades_cb (GObject *source_object, + GAsyncResult *result, + gpointer user_data); + +static void +gs_plugin_fedora_pkgdb_collections_list_distro_upgrades_async (GsPlugin *plugin, + GsPluginListDistroUpgradesFlags flags, + GCancellable *cancellable, + GAsyncReadyCallback callback, + gpointer user_data) +{ + GsPluginFedoraPkgdbCollections *self = GS_PLUGIN_FEDORA_PKGDB_COLLECTIONS (plugin); + g_autoptr(GTask) task = NULL; + + task = g_task_new (plugin, cancellable, callback, user_data); + g_task_set_source_tag (task, gs_plugin_fedora_pkgdb_collections_list_distro_upgrades_async); + + /* Ensure valid data is loaded. */ + _ensure_cache_async (self, cancellable, list_distro_upgrades_cb, g_steal_pointer (&task)); +} + +static void +list_distro_upgrades_cb (GObject *source_object, + GAsyncResult *result, + gpointer user_data) +{ + GsPluginFedoraPkgdbCollections *self = GS_PLUGIN_FEDORA_PKGDB_COLLECTIONS (source_object); + g_autoptr(GTask) task = g_steal_pointer (&user_data); + g_autoptr(GPtrArray) distros = NULL; + g_autoptr(GsAppList) list = NULL; + g_autoptr(GError) local_error = NULL; + + distros = _ensure_cache_finish (self, result, &local_error); + if (distros == NULL) { + g_task_return_error (task, g_steal_pointer (&local_error)); + return; + } + + /* are any distros upgradable */ + list = gs_app_list_new (); + + for (guint i = 0; i < distros->len; i++) { + PkgdbItem *item = g_ptr_array_index (distros, i); + if (_is_valid_upgrade (self, item)) { + g_autoptr(GsApp) app = NULL; + app = _create_upgrade_from_info (self, item); + gs_app_list_add (list, app); + } + } + + g_task_return_pointer (task, g_steal_pointer (&list), g_object_unref); +} + +static GsAppList * +gs_plugin_fedora_pkgdb_collections_list_distro_upgrades_finish (GsPlugin *plugin, + GAsyncResult *result, + GError **error) +{ + return g_task_propagate_pointer (G_TASK (result), error); +} + +static gboolean +refine_app (GPtrArray *distros, + GsApp *app, + GsPluginRefineFlags flags, + GCancellable *cancellable, + GError **error) +{ + PkgdbItem *item; + const gchar *cpe_name; + + /* not for us */ + if (gs_app_get_kind (app) != AS_COMPONENT_KIND_OPERATING_SYSTEM) + return TRUE; + + /* not enough metadata */ + cpe_name = gs_app_get_metadata_item (app, "GnomeSoftware::CpeName"); + if (cpe_name == NULL) + return TRUE; + + /* find item */ + item = _get_item_by_cpe_name (distros, cpe_name); + if (item == NULL) { + g_warning ("did not find %s", cpe_name); + return TRUE; + } + + /* fix the state */ + switch (item->status) { + case PKGDB_ITEM_STATUS_ACTIVE: + case PKGDB_ITEM_STATUS_DEVEL: + gs_app_set_state (app, GS_APP_STATE_UPDATABLE); + break; + case PKGDB_ITEM_STATUS_EOL: + gs_app_set_state (app, GS_APP_STATE_UNAVAILABLE); + break; + default: + break; + } + + return TRUE; +} + +static void refine_cb (GObject *source_object, + GAsyncResult *result, + gpointer user_data); + +static void +gs_plugin_fedora_pkgdb_collections_refine_async (GsPlugin *plugin, + GsAppList *list, + GsPluginRefineFlags flags, + GCancellable *cancellable, + GAsyncReadyCallback callback, + gpointer user_data) +{ + GsPluginFedoraPkgdbCollections *self = GS_PLUGIN_FEDORA_PKGDB_COLLECTIONS (plugin); + g_autoptr(GTask) task = NULL; + gboolean refine_needed = FALSE; + g_autoptr(GError) local_error = NULL; + + task = gs_plugin_refine_data_new_task (plugin, list, flags, cancellable, callback, user_data); + g_task_set_source_tag (task, gs_plugin_fedora_pkgdb_collections_refine_async); + + /* Check if any of the apps actually need to be refined by this plugin, + * before potentially updating the collections file from the internet. */ + for (guint i = 0; i < gs_app_list_length (list); i++) { + GsApp *app = gs_app_list_index (list, i); + + if (gs_app_get_kind (app) == AS_COMPONENT_KIND_OPERATING_SYSTEM) { + refine_needed = TRUE; + break; + } + } + + if (!refine_needed) { + g_task_return_boolean (task, TRUE); + return; + } + + /* ensure valid data is loaded */ + _ensure_cache_async (self, cancellable, refine_cb, g_steal_pointer (&task)); +} + +static void +refine_cb (GObject *source_object, + GAsyncResult *result, + gpointer user_data) +{ + GsPluginFedoraPkgdbCollections *self = GS_PLUGIN_FEDORA_PKGDB_COLLECTIONS (source_object); + g_autoptr(GTask) task = g_steal_pointer (&user_data); + GsPluginRefineData *data = g_task_get_task_data (task); + GCancellable *cancellable = g_task_get_cancellable (task); + g_autoptr(GPtrArray) distros = NULL; + g_autoptr(GError) local_error = NULL; + + distros = _ensure_cache_finish (self, result, &local_error); + if (distros == NULL) { + g_task_return_error (task, g_steal_pointer (&local_error)); + return; + } + + for (guint i = 0; i < gs_app_list_length (data->list); i++) { + GsApp *app = gs_app_list_index (data->list, i); + if (!refine_app (distros, app, data->flags, cancellable, &local_error)) { + g_task_return_error (task, g_steal_pointer (&local_error)); + return; + } + } + + g_task_return_boolean (task, TRUE); +} + +static gboolean +gs_plugin_fedora_pkgdb_collections_refine_finish (GsPlugin *plugin, + GAsyncResult *result, + GError **error) +{ + return g_task_propagate_boolean (G_TASK (result), error); +} + +static void +gs_plugin_fedora_pkgdb_collections_class_init (GsPluginFedoraPkgdbCollectionsClass *klass) +{ + GObjectClass *object_class = G_OBJECT_CLASS (klass); + GsPluginClass *plugin_class = GS_PLUGIN_CLASS (klass); + + object_class->dispose = gs_plugin_fedora_pkgdb_collections_dispose; + object_class->finalize = gs_plugin_fedora_pkgdb_collections_finalize; + + plugin_class->setup_async = gs_plugin_fedora_pkgdb_collections_setup_async; + plugin_class->setup_finish = gs_plugin_fedora_pkgdb_collections_setup_finish; + plugin_class->refine_async = gs_plugin_fedora_pkgdb_collections_refine_async; + plugin_class->refine_finish = gs_plugin_fedora_pkgdb_collections_refine_finish; + plugin_class->refresh_metadata_async = gs_plugin_fedora_pkgdb_collections_refresh_metadata_async; + plugin_class->refresh_metadata_finish = gs_plugin_fedora_pkgdb_collections_refresh_metadata_finish; + plugin_class->list_distro_upgrades_async = gs_plugin_fedora_pkgdb_collections_list_distro_upgrades_async; + plugin_class->list_distro_upgrades_finish = gs_plugin_fedora_pkgdb_collections_list_distro_upgrades_finish; +} + +GType +gs_plugin_query_type (void) +{ + return GS_TYPE_PLUGIN_FEDORA_PKGDB_COLLECTIONS; +} |