Reimplemented error handling for SettingsFile

PluginManager/Others/Exceptions/ConfigNoKeyWasPresent.cs

@@ -0,0 +1,75 @@
+using System;
+using System.Collections.Generic;
+using PluginManager.Interfaces.Exceptions;
+
+namespace PluginManager.Others.Exceptions;
+
+public class ConfigNoKeyWasPresent: IException
+{
+    public List<string> Messages { get; set; }
+    public bool isFatal { get; private set; }
+    
+    public ConfigNoKeyWasPresent(string message, bool isFatal)
+    {
+        this.Messages = new List<string>() { message };
+        this.isFatal = isFatal;
+    }
+    
+    public ConfigNoKeyWasPresent(string message)
+    {
+        this.Messages = new List<string>() { message };
+        this.isFatal = false;
+    }
+    
+    public string GenerateFullMessage()
+    {
+        string messages = "";
+        foreach (var message in Messages)
+        {
+            messages += message + "\n";
+        }
+        return $"\nMessage: {messages}\nIsFatal: {isFatal}";
+    }
+
+    public void HandleException()
+    {
+        if (isFatal)
+        {
+            
+            Config.Logger.Log(GenerateFullMessage(), LogLevel.CRITICAL, true);
+            Environment.Exit((int)ExceptionExitCode.CONFIG_KEY_NOT_FOUND);
+            
+        }
+        
+        Config.Logger.Log(GenerateFullMessage(), LogLevel.WARNING);
+    }
+    
+    public IException AppendError(string message)
+    {
+        Messages.Add(message);
+        return this;
+    }
+    
+    public IException AppendError(List<string> messages)
+    {
+        Messages.AddRange(messages);
+        return this;
+    }
+    
+    public IException IsFatal(bool isFatal = true)
+    {
+        this.isFatal = isFatal;
+        return this;
+    }
+    
+    public static ConfigNoKeyWasPresent CreateError(string message)
+    {
+        return new ConfigNoKeyWasPresent(message);
+    }
+    
+    public static ConfigNoKeyWasPresent CreateError(string message,  bool isFatal)
+    {
+        return new ConfigNoKeyWasPresent(message, isFatal);
+    }
+    
+}