(B) Seed admin user

Clinics.Backend/API/Program.cs

@@ -73,6 +73,7 @@ var app = builder.Build();
 
 #region Seed database
 await SeedHelper.Seed(app);
+await SeedAdminUserHelper.Seed(app);
 #endregion
 
 // Configure the HTTP request pipeline.

Clinics.Backend/API/SeedDatabaseHelper/SeedAdminUserHelper.cs

+using Domain.Entities.Identity.UserRoles;
+using Domain.Entities.Medicals.Medicines.MedicineFormValues;
+using Domain.Entities.People.Doctors.Shared.Constants.DoctorStatusValues;
+using Domain.Entities.People.Employees.Relations.EmployeeFamilyMembers.FamilyRoleValues;
+using Domain.Entities.People.Shared.GenderValues;
+using Persistence.SeedDatabase;
+using Persistence.SeedDatabase.AdminUser;
+
+namespace API.SeedDatabaseHelper;
+
+public class SeedAdminUserHelper
+{
+    public static async Task Seed(IApplicationBuilder applicationBuilder)
+    {
+        using (var serviceScope = applicationBuilder.ApplicationServices.CreateScope())
+        {
+            var seedAdminUser = serviceScope.ServiceProvider.GetRequiredService<ISeedAdminUser>();
+            await seedAdminUser.Seed();
+        }
+    }
+}

Clinics.Backend/Persistence/SeedDatabase/AdminUser/ISeedAdminUser.cs

+namespace Persistence.SeedDatabase.AdminUser;
+
+public interface ISeedAdminUser
+{
+    public Task Seed();
+}

Clinics.Backend/Persistence/SeedDatabase/AdminUser/SeedAdminUser.cs

+
+using Domain.Entities.Identity.UserRoles;
+using Domain.Entities.Identity.Users;
+using Domain.Exceptions.InvalidValue;
+using Domain.Shared;
+using Microsoft.EntityFrameworkCore;
+using Persistence.Context;
+using Persistence.Identity.PasswordsHashing;
+
+namespace Persistence.SeedDatabase.AdminUser;
+
+public class SeedAdminUser : ISeedAdminUser
+{
+    #region CTOR DI
+    private readonly ClinicsDbContext _context;
+    private readonly IPasswordHasher _passwordHasher;
+
+    public SeedAdminUser(ClinicsDbContext context, IPasswordHasher passwordHasher)
+    {
+        _context = context;
+        _passwordHasher = passwordHasher;
+    }
+    #endregion
+    public async Task Seed()
+    {
+        DbSet<User> users = _context.Set<User>();
+
+        Result<User> adminUserResult = User.Create(
+            "admin",
+            _passwordHasher.Hash("123"),
+            Roles.Admin.Name
+            );
+        if (adminUserResult.IsFailure)
+            throw new Exception("Unable to seed admin user");
+
+        if (users.Include(user => user.Role).Where(user => user.Role ==  Roles.Admin).ToList().Count != 1)
+        {
+            var adminUser = adminUserResult.Value;
+            _context.Entry(adminUser.Role).State = EntityState.Unchanged;
+            users.Add(adminUserResult.Value);
+            await _context.SaveChangesAsync();
+        }
+    }
+}