Datasets now serialize/save and deserialize/load properly. Created a test in the CLI project

SzLib/SzParser.cs

@@ -3,37 +3,71 @@ using SzLib.DataObjects;
 
 namespace SzLib;
 
-public class SzParser
+public class SzParser(ISzFileManager szFileManager)
 {
-    public readonly ISzFileManager FileManager;
+    private readonly JsonSerializerOptions _jsonOptions = new() { WriteIndented = true };
 
-    private JsonSerializerOptions _jsonOptions = new()
-    {
-        WriteIndented = true,
-    };
-
-    public SzParser(ISzFileManager szFileManager)
-    {
-        FileManager = szFileManager;
-    }
-    
-    public (string result, SzParseError error) SerializeDatasetToJson(SzDataset dataset)
+    public string SerializeDatasetToJson(SzDataset dataset)
     {
         try
         {
             var jsonString = JsonSerializer.Serialize(dataset, _jsonOptions);
-            return (jsonString, SzParseError.None);
+            return jsonString;
         }
         catch (JsonException e)
         {
-            return ("", SzParseError.CouldNotSerialize);
+            throw new Exception("Parse Error: " + e.Message);
+        }
+    }
+
+    public SzDataset? DeserializeDataset(string jsonString)
+    {
+        try
+        {
+            var result = JsonSerializer.Deserialize<SzDataset>(jsonString, _jsonOptions);
+            return result;
+        }
+        catch (Exception e)
+        {
+            throw new Exception("Could not deserialize JSON to type SzDataset: " + e.Message, e);
+        }
+    }
+
+    public bool SaveDataset(SzDataset dataset)
+    {
+        var datasetDir = Path.Combine(szFileManager.DataPath, "datasets", dataset.Id);
+        Directory.CreateDirectory(datasetDir);
+        try
+        {
+            var json = SerializeDatasetToJson(dataset);
+            File.WriteAllText(Path.Combine(datasetDir, "dataset.json"), json);
+            return true;
+        }
+        catch (Exception e)
+        {
+            Console.WriteLine("Error saving dataset: " + e.Message);
+            return false;
+        }
+    }
+
+    public SzDataset? LoadDataset(string datasetId)
+    {
+        var datasetPath = Path.Combine(szFileManager.DataPath, "datasets", datasetId, "dataset.json");
+        if (!File.Exists(datasetPath))
+        {
+            Console.WriteLine("Dataset not found: " + datasetId);
+            return null;
+        }
+
+        try
+        {
+            return DeserializeDataset(File.ReadAllText(datasetPath));
+        }
+        catch (Exception e)
+        {
+            Console.WriteLine($"Error loading dataset: {e.Message}");
+            return null;
         }
     }
 }
 
-public enum SzParseError
-{
-    None,
-    CouldNotSerialize,
-    GenericError,
-}