scaffold some common services

common/config/ConfigService.cpp

@@ -0,0 +1,35 @@
+
+#include "ConfigService.hpp"
+
+#include <exception>
+
+ConfigService::ConfigService(const std::string& filePath) {
+
+    if(!loadFromFile(filePath)) {
+        std::cout << "Error loading file " << filePath << std::endl;
+    }
+
+}
+
+bool ConfigService::loadFromFile(const std::string& filePath) {
+    try {
+        config_.clear();
+        config_.readFile(filePath.c_str());
+        lastError_.clear();
+        return true;
+    } catch (const libconfig::FileIOException&) {
+        lastError_ = "Unable to read config file: " + filePath;
+    } catch (const libconfig::ParseException& error) {
+        lastError_ = std::string("Parse error in ") + error.getFile() + ":" +
+                     std::to_string(error.getLine()) + " - " + error.getError();
+    } catch (const std::exception& error) {
+        lastError_ = error.what();
+    }
+
+    return false;
+}
+
+const std::string& ConfigService::lastError() const {
+    return lastError_;
+}
+