Initial commit

Infrastructure/Persistence/TemplateRepository.cs

@@ -0,0 +1,78 @@
+using System.Text;
+using System.Text.Json;
+using SharepointToolbox.Web.Core.Models;
+
+namespace SharepointToolbox.Web.Infrastructure.Persistence;
+
+public class TemplateRepository
+{
+    private readonly string _directory;
+    private readonly SemaphoreSlim _lock = new(1, 1);
+
+    public TemplateRepository(string directory) { _directory = directory; }
+
+    public async Task<IReadOnlyList<SiteTemplate>> GetAllAsync()
+    {
+        if (!Directory.Exists(_directory)) return Array.Empty<SiteTemplate>();
+        var files = Directory.GetFiles(_directory, "*.json");
+        var templates = new List<SiteTemplate>();
+        foreach (var file in files)
+        {
+            try
+            {
+                var json = await File.ReadAllTextAsync(file, Encoding.UTF8);
+                var t = JsonSerializer.Deserialize<SiteTemplate>(json,
+                    new JsonSerializerOptions { PropertyNameCaseInsensitive = true });
+                if (t is not null) templates.Add(t);
+            }
+            catch { /* skip corrupt files */ }
+        }
+        return templates.OrderByDescending(t => t.CapturedAt).ToList();
+    }
+
+    public async Task<SiteTemplate?> GetByIdAsync(string id)
+    {
+        var file = Path.Combine(_directory, $"{id}.json");
+        if (!File.Exists(file)) return null;
+        try
+        {
+            var json = await File.ReadAllTextAsync(file, Encoding.UTF8);
+            return JsonSerializer.Deserialize<SiteTemplate>(json,
+                new JsonSerializerOptions { PropertyNameCaseInsensitive = true });
+        }
+        catch { return null; }
+    }
+
+    public async Task SaveAsync(SiteTemplate template)
+    {
+        await _lock.WaitAsync();
+        try
+        {
+            Directory.CreateDirectory(_directory);
+            var json = JsonSerializer.Serialize(template, new JsonSerializerOptions
+            {
+                WriteIndented = true, PropertyNamingPolicy = JsonNamingPolicy.CamelCase
+            });
+            var path = Path.Combine(_directory, $"{template.Id}.json");
+            var tmp = path + ".tmp";
+            await File.WriteAllTextAsync(tmp, json, Encoding.UTF8);
+            File.Move(tmp, path, overwrite: true);
+        }
+        finally { _lock.Release(); }
+    }
+
+    public Task DeleteAsync(string id)
+    {
+        var file = Path.Combine(_directory, $"{id}.json");
+        if (File.Exists(file)) File.Delete(file);
+        return Task.CompletedTask;
+    }
+
+    public async Task RenameAsync(string id, string newName)
+    {
+        var t = await GetByIdAsync(id);
+        if (t is null) return;
+        t.Name = newName;
+        await SaveAsync(t);
+    }
+}