static gboolean
parse_reviews (GsPlugin *plugin, JsonParser *parser, GsApp *app, GCancellable *cancellable, GError **error)
{
	GsAuth *auth;
	JsonArray *array;
	const gchar *consumer_key = NULL;
	guint i;

	auth = gs_plugin_get_auth_by_id (plugin, "ubuntuone");
	if (auth != NULL)
		consumer_key = gs_auth_get_metadata_item (auth, "consumer-key");

	if (!JSON_NODE_HOLDS_ARRAY (json_parser_get_root (parser)))
		return FALSE;
	array = json_node_get_array (json_parser_get_root (parser));
	for (i = 0; i < json_array_get_length (array); i++) {
		g_autoptr(AsReview) review = NULL;

		/* Read in from JSON... (skip bad entries) */
		review = as_review_new ();
		if (parse_review (review, consumer_key, json_array_get_element (array, i)))
			gs_app_add_review (app, review);
	}

	return TRUE;
}
Exemple #2
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static AsReview *
gs_plugin_odrs_parse_review_object (GsPlugin *plugin, JsonObject *item)
{
	AsReview *rev = as_review_new ();

	/* date */
	if (json_object_has_member (item, "date_created")) {
		gint64 timestamp;
		g_autoptr(GDateTime) dt = NULL;
		timestamp = json_object_get_int_member (item, "date_created");
		dt = g_date_time_new_from_unix_utc (timestamp);
		as_review_set_date (rev, dt);
	}

	/* assemble review */
	if (json_object_has_member (item, "rating"))
		as_review_set_rating (rev, (gint) json_object_get_int_member (item, "rating"));
	if (json_object_has_member (item, "score")) {
		as_review_set_priority (rev, (gint) json_object_get_int_member (item, "score"));
	} else if (json_object_has_member (item, "karma_up") &&
		   json_object_has_member (item, "karma_down")) {
		gdouble ku = (gdouble) json_object_get_int_member (item, "karma_up");
		gdouble kd = (gdouble) json_object_get_int_member (item, "karma_down");
		gdouble wilson = 0.f;

		/* from http://www.evanmiller.org/how-not-to-sort-by-average-rating.html */
		if (ku > 0 || kd > 0) {
			wilson = ((ku + 1.9208) / (ku + kd) -
				  1.96 * sqrt ((ku * kd) / (ku + kd) + 0.9604) /
				  (ku + kd)) / (1 + 3.8416 / (ku + kd));
			wilson *= 100.f;
		}
		as_review_set_priority (rev, (gint) wilson);
	}
	if (json_object_has_member (item, "user_hash"))
		as_review_set_reviewer_id (rev, json_object_get_string_member (item, "user_hash"));
	if (json_object_has_member (item, "user_display"))
		as_review_set_reviewer_name (rev, json_object_get_string_member (item, "user_display"));
	if (json_object_has_member (item, "summary"))
		as_review_set_summary (rev, json_object_get_string_member (item, "summary"));
	if (json_object_has_member (item, "description"))
		as_review_set_description (rev, json_object_get_string_member (item, "description"));
	if (json_object_has_member (item, "version"))
		as_review_set_version (rev, json_object_get_string_member (item, "version"));

	/* add extra metadata for the plugin */
	if (json_object_has_member (item, "user_skey")) {
		as_review_add_metadata (rev, "user_skey",
					json_object_get_string_member (item, "user_skey"));
	}
	if (json_object_has_member (item, "app_id")) {
		as_review_add_metadata (rev, "app_id",
					json_object_get_string_member (item, "app_id"));
	}
	if (json_object_has_member (item, "review_id")) {
		g_autofree gchar *review_id = NULL;
		review_id = g_strdup_printf ("%" G_GINT64_FORMAT,
					json_object_get_int_member (item, "review_id"));
		as_review_set_id (rev, review_id);
	}

	/* don't allow multiple votes */
	if (json_object_has_member (item, "vote_id"))
		as_review_add_flags (rev, AS_REVIEW_FLAG_VOTED);

	return rev;
}