From 53cf78eb72ddfbc76112105e7878134d6928a2fd Mon Sep 17 00:00:00 2001
From: Andrew Belt <andrewpbelt@gmail.com>
Date: Fri, 4 Sep 2020 10:45:46 -0400
Subject: [PATCH] Add rough code to load/save patch to new autosave directory.

---
 src/asset.cpp       |  4 +--
 src/patch.cpp       | 87 ++++++++++++++++++++++++---------------------
 standalone/main.cpp |  2 +-
 3 files changed, 50 insertions(+), 43 deletions(-)

diff --git a/src/asset.cpp b/src/asset.cpp
index 27a0f37e..d2c2906b 100644
--- a/src/asset.cpp
+++ b/src/asset.cpp
@@ -122,14 +122,14 @@ void init() {
 	if (settings::devMode) {
 		pluginsPath = userDir + "/plugins";
 		settingsPath = userDir + "/settings.json";
-		autosavePath = userDir + "/autosave.vcv";
+		autosavePath = userDir + "/autosave";
 		templatePath = userDir + "/template.vcv";
 	}
 	else {
 		logPath = userDir + "/log.txt";
 		pluginsPath = userDir + "/plugins-v" + ABI_VERSION;
 		settingsPath = userDir + "/settings-v" + ABI_VERSION + ".json";
-		autosavePath = userDir + "/autosave-v" + ABI_VERSION + ".vcv";
+		autosavePath = userDir + "/autosave-v" + ABI_VERSION;
 		templatePath = userDir + "/template-v" + ABI_VERSION + ".vcv";
 	}
 }
diff --git a/src/patch.cpp b/src/patch.cpp
index 177800ba..6a0183e2 100644
--- a/src/patch.cpp
+++ b/src/patch.cpp
@@ -53,24 +53,9 @@ static bool promptClear(std::string text) {
 
 void PatchManager::save(std::string path) {
 	INFO("Saving patch %s", path.c_str());
-	json_t* rootJ = toJson();
-	if (!rootJ)
-		return;
-	DEFER({
-		json_decref(rootJ);
-	});
+	saveAutosave();
 
-	// Write to temporary path and then rename it to the correct path
-	std::string tmpPath = path + ".tmp";
-	FILE* file = std::fopen(tmpPath.c_str(), "w");
-	if (!file) {
-		// Fail silently
-		return;
-	}
-
-	json_dumpf(rootJ, file, JSON_INDENT(2) | JSON_REAL_PRECISION(9));
-	std::fclose(file);
-	system::moveFile(tmpPath, path);
+	// TODO Archive autosave folder
 }
 
 void PatchManager::saveDialog() {
@@ -130,33 +115,34 @@ void PatchManager::saveTemplateDialog() {
 }
 
 void PatchManager::saveAutosave() {
-	save(asset::autosavePath);
+	INFO("Saving autosave");
+	json_t* rootJ = toJson();
+	if (!rootJ)
+		return;
+	DEFER({
+		json_decref(rootJ);
+	});
+
+	// Write to temporary path and then rename it to the correct path
+	system::createDirectories(asset::autosavePath);
+	std::string patchPath = asset::autosavePath + "/patch.json";
+	std::string tmpPath = patchPath + ".tmp";
+	FILE* file = std::fopen(tmpPath.c_str(), "w");
+	if (!file) {
+		// Fail silently
+		return;
+	}
+
+	json_dumpf(rootJ, file, JSON_INDENT(2) | JSON_REAL_PRECISION(9));
+	std::fclose(file);
+	system::moveFile(tmpPath, patchPath);
 }
 
 bool PatchManager::load(std::string path) {
 	INFO("Loading patch %s", path.c_str());
-	FILE* file = std::fopen(path.c_str(), "r");
-	if (!file) {
-		// Exit silently
-		return false;
-	}
-	DEFER({
-		std::fclose(file);
-	});
 
-	json_error_t error;
-	json_t* rootJ = json_loadf(file, 0, &error);
-	if (!rootJ) {
-		std::string message = string::f("Failed to load patch. JSON parsing error at %s %d:%d %s", error.source, error.line, error.column, error.text);
-		osdialog_message(OSDIALOG_WARNING, OSDIALOG_OK, message.c_str());
-		return false;
-	}
-	DEFER({
-		json_decref(rootJ);
-	});
+	// TODO Extract archive to autosave
 
-	clear();
-	fromJson(rootJ);
 	return true;
 }
 
@@ -183,10 +169,30 @@ void PatchManager::loadTemplateDialog() {
 }
 
 void PatchManager::loadAutosave() {
-	if (load(asset::autosavePath)) {
+	INFO("Loading autosave");
+	std::string patchPath = asset::autosavePath + "/patch.json";
+	FILE* file = std::fopen(patchPath.c_str(), "r");
+	if (!file) {
+		// Exit silently
+		// TODO Load autosave
 		return;
 	}
-	loadTemplate();
+	DEFER({
+		std::fclose(file);
+	});
+
+	json_error_t error;
+	json_t* rootJ = json_loadf(file, 0, &error);
+	if (!rootJ) {
+		std::string message = string::f("Failed to load patch. JSON parsing error at %s %d:%d %s", error.source, error.line, error.column, error.text);
+		osdialog_message(OSDIALOG_WARNING, OSDIALOG_OK, message.c_str());
+		return;
+	}
+	DEFER({
+		json_decref(rootJ);
+	});
+
+	fromJson(rootJ);
 }
 
 void PatchManager::loadAction(std::string path) {
@@ -279,6 +285,7 @@ json_t* PatchManager::toJson() {
 }
 
 void PatchManager::fromJson(json_t* rootJ) {
+	clear();
 	legacy = 0;
 
 	// version
diff --git a/standalone/main.cpp b/standalone/main.cpp
index 642a189e..b42238d7 100644
--- a/standalone/main.cpp
+++ b/standalone/main.cpp
@@ -177,7 +177,6 @@ int main(int argc, char* argv[]) {
 	INFO("Initializing context");
 	contextSet(new Context);
 	APP->engine = new engine::Engine;
-	APP->patch = new PatchManager;
 	if (!settings::headless) {
 		APP->event = new event::State;
 		APP->history = new history::State;
@@ -185,6 +184,7 @@ int main(int argc, char* argv[]) {
 		APP->scene = new app::Scene;
 		APP->event->rootWidget = APP->scene;
 	}
+	APP->patch = new PatchManager;
 
 	// On Mac, use a hacked-in GLFW addition to get the launched path.
 #if defined ARCH_MAC