big refactoring. get rid of static properties and coupled architecture. prepare system for integration tests

Azaion.Common/Database/AnnotationRepository.cs

@@ -0,0 +1,48 @@
+using LinqToDB;
+
+namespace Azaion.Common.Database;
+
+public class AnnotationRepository : IAnnotationRepository
+{
+    private readonly IDbFactory _dbFactory;
+
+    public AnnotationRepository(IDbFactory dbFactory)
+    {
+        _dbFactory = dbFactory;
+    }
+
+    public async Task<List<Annotation>> GetByMediaHashAsync(string hash, CancellationToken ct = default)
+    {
+        return await _dbFactory.Run(async db =>
+            await db.GetTable<Annotation>()
+                .Where(x => x.MediaHash == hash)
+                .ToListAsync(ct));
+    }
+
+    public async Task<Annotation?> GetByNameAsync(string name, CancellationToken ct = default)
+    {
+        return await _dbFactory.Run(async db =>
+            await db.GetTable<Annotation>()
+                .FirstOrDefaultAsync(x => x.Name == name, ct));
+    }
+
+    public async Task<List<Annotation>> GetAllAsync(CancellationToken ct = default)
+    {
+        return await _dbFactory.Run(async db =>
+            await db.GetTable<Annotation>().ToListAsync(ct));
+    }
+
+    public async Task SaveAsync(Annotation annotation, CancellationToken ct = default)
+    {
+        await _dbFactory.RunWrite(async db =>
+        {
+            await db.InsertOrReplaceAsync(annotation, token: ct);
+        });
+    }
+
+    public async Task DeleteAsync(List<string> names, CancellationToken ct = default)
+    {
+        await _dbFactory.DeleteAnnotations(names, ct);
+    }
+}
+