Started implementing backend

2025-09-22 13:08:08 +02:00
parent 5bd03270d4
commit ebfd763e68
14 changed files with 173 additions and 14 deletions
--- a/Repository/Repository.cs
+++ b/Repository/Repository.cs
@@ -0,0 +1,67 @@
+using System.Collections;
+using System.Text.Json;
+
+namespace Repository;
+
+public class Repository : IRepository
+{
+    private const string _appName = "Keychain";
+    private readonly string _filePath;
+    private List<object>? _cache;
+    private bool _cacheDirty = true;
+
+    public Repository(string fileName)
+    {
+        var xdgDataHome = Environment.GetEnvironmentVariable("XDG_DATA_HOME");
+        string dataHome;
+        if (!string.IsNullOrEmpty(xdgDataHome))
+        {
+            dataHome = Path.Combine(xdgDataHome, _appName);
+        }
+        else
+        {
+            dataHome = Path.Combine(
+                Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.UserProfile), ".local", "share"),
+                _appName
+            );
+        }
+        _filePath = Path.Combine(dataHome, fileName);
+    }
+
+    public IEnumerable ReadAll()
+    {
+        if (!_cacheDirty && _cache != null)
+            return _cache;
+
+        if (!File.Exists(_filePath))
+        {
+            _cache = new List<object>();
+        }
+        else
+        {
+            var json = File.ReadAllText(_filePath);
+            _cache = JsonSerializer.Deserialize<List<object>>(json) ?? new List<object>();
+        }
+        _cacheDirty = false;
+        return _cache;
+    }
+
+    public object Get(uint id)
+    {
+        
+    }
+
+    public void WriteAll(IEnumerable items)
+    {
+        var json = JsonSerializer.Serialize(items);
+        var directory = Path.GetDirectoryName(_filePath);
+        if (!Directory.Exists(directory))
+        {
+            Directory.CreateDirectory(directory!);
+        }
+        File.WriteAllText(_filePath, json);
+
+        _cache = (List<object>)items;
+        _cacheDirty = false;
+    }
+}