yea boy, now I got it!

OwnChar/Data/Providers/JsonFile/JsonFileDataProvider.cs

@@ -0,0 +1,148 @@
+using Newtonsoft.Json;
+using OwnChar.Data.Providers.JsonFile.Model;
+using OwnChar.Model;
+
+namespace OwnChar.Data.Providers.JsonFile
+{
+    public class JsonFileDataProvider : IDataProvider
+    {
+        public JsonFile JsonFile { get; protected set; }
+        public string JsonFilePath { get; protected set; }
+
+        public JsonFileDataProvider(string filePath)
+        {
+            JsonFilePath = filePath;
+            LoadFile();
+
+            // Get rid of bad compiler warnings
+            if (JsonFile == null)
+                throw new Exception("Something went incredible wrong at initialization of the JsonFile.");
+        }
+
+        protected void LoadFile()
+        {
+            if (JsonConvert.DeserializeObject<JsonFile>(File.ReadAllText(JsonFilePath), CreateJsonSerializerSettings()) is JsonFile jsonFile)
+                JsonFile = jsonFile;
+            JsonFile ??= new();
+        }
+
+        protected void SaveFile()
+        {
+            File.WriteAllText(JsonFilePath, JsonConvert.SerializeObject(JsonFile, CreateJsonSerializerSettings()));
+        }
+
+        protected JsonSerializerSettings CreateJsonSerializerSettings()
+        {
+            return new JsonSerializerSettings
+            {
+                PreserveReferencesHandling = PreserveReferencesHandling.All,
+                ReferenceLoopHandling = ReferenceLoopHandling.Serialize,
+                TypeNameHandling = TypeNameHandling.Auto,
+                Formatting = Formatting.Indented,
+            };
+        }
+        public T? Create<T>() where T : class, IOwnCharObject
+        {
+            var t = typeof(T);
+            IOwnCharObject? obj;
+
+            if (t == typeof(Property))
+                obj = new JsonProp();
+            else if (t == typeof(PropertyCategory))
+                obj = new JsonPropCat();
+            else if (t == typeof(Character))
+                obj = new JsonCharacter();
+            else if (t == typeof(Group))
+                obj = new JsonGroup();
+            else if (t == typeof(UserAccount))
+                obj = new JsonUserAccount();
+            else if (t == typeof(UserProfile))
+                obj = new JsonUserProfile();
+            else
+                obj = null;
+
+            return obj as T;
+        }
+
+        public bool Save<T>(T obj) where T : class, IOwnCharObject
+        {
+            if (obj is JsonCharacter character)
+            {
+                if (!JsonFile.Characters.Contains(character))
+                    JsonFile.Characters.Add(character);
+            }
+            else if (obj is JsonGroup group)
+            {
+                if (!JsonFile.Groups.Contains(group))
+                    JsonFile.Groups.Add(group);
+            }
+            else if(obj is JsonUserAccount account)
+            {
+                if (!JsonFile.UserAccounts.Contains(account))
+                    JsonFile.UserAccounts.Add(account);
+            }
+
+            return true;
+        }
+
+        public bool IsInitialized()
+        {
+            return JsonFile.UserAccounts.Count != 0;
+        }
+
+        bool IDataProvider.Delete<T>(T obj)
+        {
+            throw new NotImplementedException();
+        }
+
+        public bool SetParent(UserProfile profile, UserAccount parent)
+        {
+            throw new NotImplementedException();
+        }
+
+        public bool SetParent(Character character, Group parent)
+        {
+            throw new NotImplementedException();
+        }
+
+        public bool SetParent(Property property, Character character)
+        {
+            throw new NotImplementedException();
+        }
+
+        public bool SetOwner(Group group, UserProfile owner)
+        {
+            throw new NotImplementedException();
+        }
+
+        public bool SetOwner(Character group, UserProfile owner)
+        {
+            throw new NotImplementedException();
+        }
+
+        public UserAccount? GetUserAccount(string username, string password)
+        {
+            throw new NotImplementedException();
+        }
+
+        public UserProfile? GetUserProfile(string username)
+        {
+            throw new NotImplementedException();
+        }
+
+        public IEnumerable<UserProfile> GetGroupMembers(Group group)
+        {
+            throw new NotImplementedException();
+        }
+
+        public UserProfile? GetOwner(Group group)
+        {
+            throw new NotImplementedException();
+        }
+
+        public UserProfile? GetOwner(Character character)
+        {
+            throw new NotImplementedException();
+        }
+    }
+}