From e9904604ce0199d696c4941dff4f5ad84d22355f Mon Sep 17 00:00:00 2001
From: LaG1924 <12997935+LaG1924@users.noreply.github.com>
Date: Mon, 6 Aug 2018 20:04:50 +0500
Subject: Implemented Settings Manager

---
 src/Settings.cpp | 58 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 58 insertions(+)
 create mode 100644 src/Settings.cpp

(limited to 'src/Settings.cpp')

diff --git a/src/Settings.cpp b/src/Settings.cpp
new file mode 100644
index 0000000..a585752
--- /dev/null
+++ b/src/Settings.cpp
@@ -0,0 +1,58 @@
+#include "Settings.hpp"
+
+#include <fstream>
+#include <map>
+
+#include <nlohmann/json.hpp>
+#include <easylogging++.h>
+
+
+using json = nlohmann::json;
+
+std::map<std::string, std::string> values;
+
+const std::string saveFileName = "./settings.json";
+
+void Settings::Load() {
+	std::ifstream stream(saveFileName);
+	if (!stream) {
+		LOG(ERROR) << "Loading settings failed: Can't open ifstream for " << saveFileName << ": " << strerror(errno);
+		return;
+	}
+	json j;
+	stream >> j;
+
+	for (json::iterator it = j.begin(); it != j.end(); ++it) {
+		values.insert(std::make_pair(it.key(), it->get<std::string>()));
+	}
+	LOG(INFO) << "Loaded " << values.size() << " settings";
+}
+
+void Settings::Save() {
+	json j;
+	for (auto &it : values) {
+		j[it.first] = it.second;
+	}
+	std::string text = j.dump(4);
+
+	std::ofstream stream(saveFileName);
+	if (!stream) {
+		LOG(ERROR) << "Saving settings failed: Can't open ofstream for " << saveFileName << ": "<< strerror(errno);
+		return;
+	}
+	stream << text;
+	LOG(INFO) << "Saved " << values.size() << " settings";
+}
+
+std::string Settings::Read(const std::string &key, const std::string &defaultValue) {
+	auto it = values.find(key);
+	if (it == values.end()) {
+		values.insert(std::make_pair(key, defaultValue));
+		it = values.find(key);
+	}
+	return it->second;
+}
+
+void Settings::Write(const std::string &key, const std::string &value) {
+	values[key] = value;
+}
-- 
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