transactions

back/services/engine/SystemUser/SystemUserGenerator.cs

@@ -0,0 +1,47 @@
+using back.DataModels;
+using back.persistance.blob;
+using back.persistance.data;
+using back.persistance.data.repositories.Abstracts;
+using back.services.engine.Crypto;
+using back.services.engine.PasswordGenerator;
+using Transactional.Abstractions.Interfaces;
+
+namespace back.services.engine.SystemUser;
+
+public class SystemUserGenerator(
+    ITransactionalService<DataContext> transactional,
+    IUserRepository userRepository,
+    IPersonRepository personRepository,
+    ICryptoService cryptoService,
+    IBlobStorageService blobStorageService,
+    IPasswordGenerator passwordGenerator) : ISystemUserGenerator
+{
+    public async Task GenerateAsync()
+    {
+        var systemKey = new SystemKey() { 
+            Password = passwordGenerator.Generate(16),
+        };
+        var systemKeyJson = System.Text.Json.JsonSerializer.Serialize(systemKey);
+        
+        using Stream stream = new MemoryStream(System.Text.Encoding.UTF8.GetBytes(systemKeyJson));
+
+        await blobStorageService.Delete("systemkey.lock");
+
+        await blobStorageService.Save(
+            stream,
+            "systemkey.lock"
+        );
+
+        User.SystemUser.Password = systemKey.Password;
+        User.SystemUser.Salt = cryptoService.Salt();
+        User.SystemUser.Password = cryptoService.HashPassword(User.SystemUser.Password, User.SystemUser.Salt) ?? string.Empty;
+
+        if (!await userRepository.Exists(User.SystemUser.Id!))
+        {
+            await transactional.DoTransaction(async () => {
+                await personRepository.Insert(Person.SystemPerson);
+                await userRepository.Insert(User.SystemUser);
+            });
+        }
+    }
+}