add account creation when adding a company

src/Application/Companies/Commands/AddCompany/AddCompanyCommand.cs

@@ -11,4 +11,11 @@ public record AddCompanyCommand : IRequest<CompanyDto>
     public string ContactEmail { get; set; }
 
     public string ContactPhoneNumber { get; set; }
+
+
+    public string Username { get; set; }
+
+    public string Email { get; set; }
+
+    public string Password { get; set; }
 }

src/Application/Companies/Commands/AddCompany/AddCompanyCommandHandler.cs

@@ -1,8 +1,12 @@
 using MediatR;
-using cuqmbr.TravelGuide.Application.Common.Persistence;
-using cuqmbr.TravelGuide.Domain.Entities;
 using AutoMapper;
+using cuqmbr.TravelGuide.Application.Common.Persistence;
 using cuqmbr.TravelGuide.Application.Common.Exceptions;
+using cuqmbr.TravelGuide.Application.Common.Services;
+using cuqmbr.TravelGuide.Domain.Entities;
+using cuqmbr.TravelGuide.Domain.Enums;
+using System.Security.Cryptography;
+using System.Text;
 
 namespace cuqmbr.TravelGuide.Application.Companies.Commands.AddCompany;
 
@@ -11,13 +15,14 @@ public class AddCompanyCommandHandler :
 {
     private readonly UnitOfWork _unitOfWork;
     private readonly IMapper _mapper;
+    private readonly PasswordHasherService _passwordHasher;
 
-    public AddCompanyCommandHandler(
-        UnitOfWork unitOfWork,
-        IMapper mapper)
+    public AddCompanyCommandHandler(UnitOfWork unitOfWork, IMapper mapper,
+        PasswordHasherService passwordHasher)
     {
         _unitOfWork = unitOfWork;
         _mapper = mapper;
+        _passwordHasher = passwordHasher;
     }
 
     public async Task<CompanyDto> Handle(
@@ -33,12 +38,51 @@ public class AddCompanyCommandHandler :
                 "Company with given name already exists.");
         }
 
+
+        // Create new account for employee
+
+        var account = await _unitOfWork.AccountRepository.GetOneAsync(
+            e => e.Email == request.Email,
+            cancellationToken);
+
+        if (account != null)
+        {
+            throw new DuplicateEntityException();
+        }
+
+        var role = (await _unitOfWork.RoleRepository.GetPageAsync(
+                1, IdentityRole.Enumerations.Count(), cancellationToken))
+            .Items
+            .First(r => r.Value.Equals(IdentityRole.CompanyOwner));
+
+        var salt = RandomNumberGenerator.GetBytes(128 / 8);
+        var hash = await _passwordHasher.HashAsync(
+            Encoding.UTF8.GetBytes(request.Password),
+            salt, cancellationToken);
+
+        var saltBase64 = Convert.ToBase64String(salt);
+        var hashBase64 = Convert.ToBase64String(hash);
+
+        account = new Account()
+        {
+            Username = request.Username,
+            Email = request.Email,
+            PasswordHash = hashBase64,
+            PasswordSalt = saltBase64,
+            AccountRoles = new AccountRole[] { new() { RoleId = role.Id } }
+        };
+
+        account = await _unitOfWork.AccountRepository.AddOneAsync(
+            account, cancellationToken);
+
+
         entity = new Company()
         {
             Name = request.Name,
             LegalAddress = request.LegalAddress,
             ContactEmail = request.ContactEmail,
-            ContactPhoneNumber = request.ContactPhoneNumber
+            ContactPhoneNumber = request.ContactPhoneNumber,
+            Account = account
         };
 
         entity = await _unitOfWork.CompanyRepository.AddOneAsync(

src/Application/Companies/Commands/AddCompany/AddCompanyCommandValidator.cs

@@ -54,5 +54,46 @@ public class AddCompanyCommandValidator : AbstractValidator<AddCompanyCommand>
                     cultureService.Culture,
                     localizer["FluentValidation.MaximumLength"],
                     64));
+
+
+        RuleFor(v => v.Username)
+            .NotEmpty()
+            .WithMessage(localizer["FluentValidation.NotEmpty"])
+            .MinimumLength(1)
+            .WithMessage(
+                String.Format(
+                    cultureService.Culture,
+                    localizer["FluentValidation.MinimumLength"],
+                    1))
+            .MaximumLength(32)
+            .WithMessage(
+                String.Format(
+                    cultureService.Culture,
+                    localizer["FluentValidation.MaximumLength"],
+                    32))
+            .IsUsername()
+            .WithMessage(localizer["FluentValidation.IsUsername"]);
+
+        RuleFor(v => v.Email)
+            .NotEmpty()
+            .WithMessage(localizer["FluentValidation.NotEmpty"])
+            .IsEmail()
+            .WithMessage(localizer["FluentValidation.IsEmail"]);
+
+        RuleFor(v => v.Password)
+            .NotEmpty()
+            .WithMessage(localizer["FluentValidation.NotEmpty"])
+            .MinimumLength(8)
+            .WithMessage(
+                String.Format(
+                    cultureService.Culture,
+                    localizer["FluentValidation.MinimumLength"],
+                    8))
+            .MaximumLength(64)
+            .WithMessage(
+                String.Format(
+                    cultureService.Culture,
+                    localizer["FluentValidation.MaximumLength"],
+                    64));
     }
 }

src/Application/Companies/Commands/DeleteCompany/DeleteCompanyCommandHandler.cs

@@ -18,7 +18,7 @@ public class DeleteCompanyCommandHandler : IRequestHandler<DeleteCompanyCommand>
         CancellationToken cancellationToken)
     {
         var entity = await _unitOfWork.CompanyRepository.GetOneAsync(
-            e => e.Guid == request.Guid, cancellationToken);
+            e => e.Guid == request.Guid, e => e.Account, cancellationToken);
 
         if (entity == null)
         {
@@ -28,6 +28,9 @@ public class DeleteCompanyCommandHandler : IRequestHandler<DeleteCompanyCommand>
         await _unitOfWork.CompanyRepository.DeleteOneAsync(
             entity, cancellationToken);
 
+        await _unitOfWork.AccountRepository.DeleteOneAsync(
+            entity.Account, cancellationToken);
+
         await _unitOfWork.SaveAsync(cancellationToken);
         _unitOfWork.Dispose();
     }

src/Application/Companies/Commands/UpdateCompany/UpdateCompanyCommandHandler.cs

@@ -31,10 +31,14 @@ public class UpdateCompanyCommandHandler :
             throw new NotFoundException();
         }
 
+        var account = await _unitOfWork.AccountRepository.GetOneAsync(
+            a => a.Id == entity.AccountId, cancellationToken);
+
         entity.Name = request.Name;
         entity.LegalAddress = request.LegalAddress;
         entity.ContactEmail = request.ContactEmail;
         entity.ContactPhoneNumber = request.ContactPhoneNumber;
+        entity.Account = account;
 
         entity = await _unitOfWork.CompanyRepository.UpdateOneAsync(
             entity, cancellationToken);

src/Application/Companies/CompanyAccountDto.cs

@@ -0,0 +1,21 @@
+using cuqmbr.TravelGuide.Application.Common.Mappings;
+using cuqmbr.TravelGuide.Domain.Entities;
+
+namespace cuqmbr.TravelGuide.Application.Companies;
+
+public sealed class CompanyAccountDto : IMapFrom<Account>
+{
+    public Guid Uuid { get; set; }
+
+    public string Username { get; set; }
+
+    public string Email { get; set; }
+
+    public void Mapping(MappingProfile profile)
+    {
+        profile.CreateMap<Account, CompanyAccountDto>()
+            .ForMember(
+                d => d.Uuid,
+                opt => opt.MapFrom(s => s.Guid));
+    }
+}

src/Application/Companies/CompanyDto.cs

@@ -15,6 +15,8 @@ public sealed class CompanyDto : IMapFrom<Company>
 
     public string ContactPhoneNumber { get; set; }
 
+    public CompanyAccountDto Account { get; set; }
+
     public void Mapping(MappingProfile profile)
     {
         profile.CreateMap<Company, CompanyDto>()

src/Application/Companies/Queries/GetCompaniesPage/GetCompaniesPageQueryHandler.cs

@@ -33,6 +33,19 @@ public class GetCompaniesPageQueryHandler :
             request.PageNumber, request.PageSize,
             cancellationToken);
 
+        // Hydrate companies
+
+        var accountIds = paginatedList.Items.Select(e => e.AccountId);
+        var accounts = await _unitOfWork.AccountRepository.GetPageAsync(
+            e => accountIds.Contains(e.Id),
+            1, paginatedList.Items.Count, cancellationToken);
+
+        foreach (var company in paginatedList.Items)
+        {
+            company.Account = 
+                accounts.Items.First(a => a.Id == company.AccountId);
+        }
+
         var mappedItems = _mapper
             .ProjectTo<CompanyDto>(paginatedList.Items.AsQueryable());
 

src/Application/Companies/Queries/GetCompany/GetCompanyQueryHandler.cs

@@ -26,13 +26,18 @@ public class GetCompanyQueryHandler :
         var entity = await _unitOfWork.CompanyRepository.GetOneAsync(
             e => e.Guid == request.Guid, cancellationToken);
 
-        _unitOfWork.Dispose();
-
         if (entity == null)
         {
             throw new NotFoundException();
         }
 
+        var account = await _unitOfWork.AccountRepository.GetOneAsync(
+            e => e.Id == entity.AccountId, cancellationToken);
+
+        entity.Account = account;
+
+        _unitOfWork.Dispose();
+
         return _mapper.Map<CompanyDto>(entity);
     }
 }

src/Application/Companies/ViewModels/AddCompanyViewModel.cs

@@ -9,4 +9,11 @@ public sealed class AddCompanyViewModel
     public string ContactEmail { get; set; }
 
     public string ContactPhoneNumber { get; set; }
+
+
+    public string Username { get; set; }
+
+    public string Email { get; set; }
+
+    public string Password { get; set; }
 }

src/Application/Employees/Commands/AddEmployee/AddEmployeeCommandHandler.cs

@@ -68,7 +68,6 @@ public class AddEmployeeCommandHandler :
             throw new DuplicateEntityException();
         }
 
-
         var role = (await _unitOfWork.RoleRepository.GetPageAsync(
                 1, IdentityRole.Enumerations.Count(), cancellationToken))
             .Items

src/Application/Employees/EmployeeAccountDto.cs

@@ -5,7 +5,17 @@ namespace cuqmbr.TravelGuide.Application.Employees;
 
 public sealed class EmployeeAccountDto : IMapFrom<Account>
 {
+    public Guid Uuid { get; set; }
+
     public string Username { get; set; }
 
     public string Email { get; set; }
+
+    public void Mapping(MappingProfile profile)
+    {
+        profile.CreateMap<Account, EmployeeAccountDto>()
+            .ForMember(
+                d => d.Uuid,
+                opt => opt.MapFrom(s => s.Guid));
+    }
 }

src/Application/Employees/Queries/GetEmployeesPage/GetEmployeesPageQueryHandler.cs

@@ -61,8 +61,9 @@ public class GetEmployeesPageQueryHandler :
                 companies.Items.First(c => c.Id == employee.CompanyId);
         }
 
+        var accountIds = paginatedList.Items.Select(e => e.AccountId);
         var accounts = await _unitOfWork.AccountRepository.GetPageAsync(
-            e => paginatedList.Items.Select(e => e.AccountId).Contains(e.Id),
+            e => accountIds.Contains(e.Id),
             1, paginatedList.Items.Count, cancellationToken);
 
         foreach (var employee in paginatedList.Items)

src/Domain/Entities/Account.cs

@@ -16,4 +16,6 @@ public sealed class Account : EntityBase
 
 
     public Employee? Employee { get; set; }
+
+    public Company? Company { get; set; }
 }

src/Domain/Entities/Company.cs

@@ -14,4 +14,9 @@ public sealed class Company : EntityBase
     public ICollection<Employee> Employees { get; set; }
 
     public ICollection<Vehicle> Vehicles { get; set; }
+
+
+    public long AccountId { get; set; }
+
+    public Account Account { get; set; }
 }

src/HttpApi/Controllers/CompaniesController.cs

@@ -52,6 +52,9 @@ public class CompaniesController : ControllerBase
                     LegalAddress = viewModel.LegalAddress,
                     ContactEmail = viewModel.ContactEmail,
                     ContactPhoneNumber = viewModel.ContactPhoneNumber,
+                    Username = viewModel.Username,
+                    Email = viewModel.Email,
+                    Password = viewModel.Password
                 },
                 cancellationToken));
     }

src/Persistence/PostgreSql/Configurations/CompanyConfiguration.cs

@@ -38,5 +38,29 @@ public class CompanyConfiguration : BaseConfiguration<Company>
             .HasColumnName("contact_phone_number")
             .HasColumnType("varchar(64)")
             .IsRequired(true);
+
+
+        builder
+            .Property(c => c.AccountId)
+            .HasColumnName("account_id")
+            .HasColumnType("bigint")
+            .IsRequired(true);
+
+        builder
+            .HasOne(c => c.Account)
+            .WithOne(a => a.Company)
+            .HasForeignKey<Company>(c => c.AccountId)
+            .HasConstraintName(
+                "fk_" + 
+                $"{builder.Metadata.GetTableName()}_" +
+                $"{builder.Property(c => c.AccountId).Metadata.GetColumnName()}")
+            .OnDelete(DeleteBehavior.Cascade);
+
+        builder
+            .HasIndex(c => c.AccountId)
+            .HasDatabaseName(
+                "ix_" +
+                $"{builder.Metadata.GetTableName()}_" +
+                $"{builder.Property(c => c.AccountId).Metadata.GetColumnName()}");
     }
 }

src/Persistence/PostgreSql/Migrations/20250528182232_Add_navigation_from_Company_to_Account.cs

@@ -0,0 +1,58 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace Persistence.PostgreSql.Migrations
+{
+    /// <inheritdoc />
+    public partial class Add_navigation_from_Company_to_Account : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.AddColumn<long>(
+                name: "account_id",
+                schema: "application",
+                table: "companies",
+                type: "bigint",
+                nullable: false,
+                defaultValue: 0L);
+
+            migrationBuilder.CreateIndex(
+                name: "ix_companies_account_id",
+                schema: "application",
+                table: "companies",
+                column: "account_id",
+                unique: true);
+
+            migrationBuilder.AddForeignKey(
+                name: "fk_companies_account_id",
+                schema: "application",
+                table: "companies",
+                column: "account_id",
+                principalSchema: "application",
+                principalTable: "accounts",
+                principalColumn: "id",
+                onDelete: ReferentialAction.Cascade);
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropForeignKey(
+                name: "fk_companies_account_id",
+                schema: "application",
+                table: "companies");
+
+            migrationBuilder.DropIndex(
+                name: "ix_companies_account_id",
+                schema: "application",
+                table: "companies");
+
+            migrationBuilder.DropColumn(
+                name: "account_id",
+                schema: "application",
+                table: "companies");
+        }
+    }
+}

src/Persistence/PostgreSql/Migrations/PostgreSqlDbContextModelSnapshot.cs

@@ -235,6 +235,10 @@ namespace Persistence.PostgreSql.Migrations
 
                     NpgsqlPropertyBuilderExtensions.UseSequence(b.Property<long>("Id"), "companies_id_sequence");
 
+                    b.Property<long>("AccountId")
+                        .HasColumnType("bigint")
+                        .HasColumnName("account_id");
+
                     b.Property<string>("ContactEmail")
                         .IsRequired()
                         .HasColumnType("varchar(256)")
@@ -265,6 +269,10 @@ namespace Persistence.PostgreSql.Migrations
                     b.HasAlternateKey("Guid")
                         .HasName("altk_companies_uuid");
 
+                    b.HasIndex("AccountId")
+                        .IsUnique()
+                        .HasDatabaseName("ix_companies_account_id");
+
                     b.ToTable("companies", "application");
                 });
 
@@ -1036,6 +1044,18 @@ namespace Persistence.PostgreSql.Migrations
                     b.Navigation("Region");
                 });
 
+            modelBuilder.Entity("cuqmbr.TravelGuide.Domain.Entities.Company", b =>
+                {
+                    b.HasOne("cuqmbr.TravelGuide.Domain.Entities.Account", "Account")
+                        .WithOne("Company")
+                        .HasForeignKey("cuqmbr.TravelGuide.Domain.Entities.Company", "AccountId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired()
+                        .HasConstraintName("fk_companies_account_id");
+
+                    b.Navigation("Account");
+                });
+
             modelBuilder.Entity("cuqmbr.TravelGuide.Domain.Entities.Employee", b =>
                 {
                     b.HasOne("cuqmbr.TravelGuide.Domain.Entities.Account", "Account")
@@ -1230,6 +1250,8 @@ namespace Persistence.PostgreSql.Migrations
                 {
                     b.Navigation("AccountRoles");
 
+                    b.Navigation("Company");
+
                     b.Navigation("Employee");
 
                     b.Navigation("RefreshTokens");