refactor: coord prefs/theme saves in one staged path; drop broken manager wrappers

src/fe-gtk/preferences-persistence.c

@@ -0,0 +1,66 @@
+#include "preferences-persistence.h"
+
+#include "../common/cfgfiles.h"
+#include "theme/theme-runtime.h"
+
+PreferencesPersistenceResult
+preferences_persistence_save_all (void)
+{
+	PreferencesPersistenceResult result;
+	char *config_temp;
+	char *theme_temp;
+
+	result.success = FALSE;
+	result.retry_possible = TRUE;
+	result.partial_failure = FALSE;
+	result.config_failed = FALSE;
+	result.theme_failed = FALSE;
+	result.failed_file = NULL;
+	config_temp = NULL;
+	theme_temp = NULL;
+
+	if (!save_config_prepare (&config_temp))
+	{
+		result.config_failed = TRUE;
+		goto done;
+	}
+
+	if (!theme_runtime_save_prepare (&theme_temp))
+	{
+		result.theme_failed = TRUE;
+		goto done;
+	}
+
+	if (!save_config_finalize (config_temp))
+	{
+		result.config_failed = TRUE;
+		goto done;
+	}
+
+	if (!theme_runtime_save_finalize (theme_temp))
+	{
+		result.theme_failed = TRUE;
+		result.partial_failure = TRUE;
+		goto done;
+	}
+
+	result.success = TRUE;
+
+ done:
+	if (!result.success)
+	{
+		if (result.config_failed && result.theme_failed)
+			result.failed_file = "zoitechat.conf and colors.conf";
+		else if (result.config_failed)
+			result.failed_file = "zoitechat.conf";
+		else if (result.theme_failed)
+			result.failed_file = "colors.conf";
+	}
+
+	save_config_discard (config_temp);
+	theme_runtime_save_discard (theme_temp);
+	g_free (config_temp);
+	g_free (theme_temp);
+
+	return result;
+}