Rebuild data storage system so that database dependencies get taken into account

src/HopFrame.Database/Repositories/Implementation/TokenRepository.cs

@@ -0,0 +1,41 @@
+using HopFrame.Database.Models;
+using Microsoft.EntityFrameworkCore;
+
+namespace HopFrame.Database.Repositories.Implementation;
+
+internal sealed class TokenRepository<TDbContext>(TDbContext context) : ITokenRepository where TDbContext : HopDbContextBase {
+    
+    public async Task<Token> GetToken(string content) {
+        var success = Guid.TryParse(content, out Guid guid);
+        if (!success) return null;
+        
+        return await context.Tokens
+            .Include(t => t.Owner)
+            .Where(t => t.Content == guid)
+            .SingleOrDefaultAsync();
+    }
+
+    public async Task<Token> CreateToken(int type, User owner) {
+        var token = new Token {
+            CreatedAt = DateTime.Now,
+            Content = Guid.NewGuid(),
+            Type = type,
+            Owner = owner
+        };
+
+        await context.Tokens.AddAsync(token);
+        await context.SaveChangesAsync();
+
+        return token;
+    }
+
+    public async Task DeleteUserTokens(User owner) {
+        var tokens = await context.Tokens
+            .Include(t => t.Owner)
+            .Where(t => t.Owner.Id == owner.Id)
+            .ToListAsync();
+        
+        context.Tokens.RemoveRange(tokens);
+        await context.SaveChangesAsync();
+    }
+}