refactor result pattern

PSManagement.Application/ApplicationDTOsMappers/CustomerMapperConfiguration.cs

 using AutoMapper;
 using PSManagement.Application.Customers.Common;
-using PSManagement.Domain.Customers.Aggregate;
 using PSManagement.Domain.Customers.Entities;
 using PSManagement.Domain.Customers.ValueObjects;
 using System;

PSManagement.Application/Behaviors/ValidationBehavior/ValidationBehavior.cs

-using FluentResults;
+using Ardalis.Result;
 using FluentValidation;
 using MediatR;
 
@@ -13,7 +13,7 @@ namespace PSManagement.Application.Behaviors.ValidationBehavior
 {
 
     public class ValidationBehavior<TRequest, TResponse> : IPipelineBehavior<TRequest, TResponse>
-        where TRequest : IRequest<TResponse> where TResponse  : ResultBase  
+        where TRequest : IRequest<TResponse> 
     {
         private readonly IEnumerable<IValidator<TRequest>> _validators;
 
@@ -24,28 +24,49 @@ namespace PSManagement.Application.Behaviors.ValidationBehavior
 
         public async Task<TResponse> Handle(TRequest request, CancellationToken cancellationToken, RequestHandlerDelegate<TResponse> next)
         { 
-            var context = new ValidationContext<TRequest>(request);
             if (_validators is null) {
 
                 return await next();
             }
+
+            var validationTasks = _validators.Select(v => v.ValidateAsync(request, cancellationToken));
+            var validationResults = await Task.WhenAll(validationTasks);
+
+            var errors = validationResults.SelectMany(r => r.Errors)
+                                            .Where(e => e != null)
+                                            .Select(e => new ValidationError(e.ErrorCode,e.ErrorMessage,e.ErrorCode,new ValidationSeverity()))
+                                            .ToList();
+
+            if (errors.Any())
+            {
+                return (dynamic)Result.Invalid(errors);
+            }
+
+
+            return await next();
+        }
+        private Result ValidateAsync(TRequest request)
+        {
+            var context = new ValidationContext<TRequest>(request);
+
             var failures = _validators
                 .Select(v => v.Validate(context))
                 .SelectMany(result => result.Errors)
                 .Where(f => f != null)
                 .ToList();
-
             if (failures.Count != 0)
             {
-                var result =Result.Fail("validation Error.");
-                foreach (var failure in failures)
-                {
-                    result.Reasons.Add(new Error(failure.ErrorMessage));
-                }
-                return (dynamic)result;
+
+                var result = Result.Invalid(new ValidationError("validation Error."));
+                //foreach (var failure in failures)
+                //{
+                //    result.Reasons.Add(new Error(failure.ErrorMessage));
+                //}
+                return  result;
+                
             }
 
-            return await next();
+            return Result.Success();
         }
     }
 }

PSManagement.Application/Contracts/Authentication/IAuthenticationService.cs

 
-using FluentResults;
+using Ardalis.Result;
 using System;
 using System.Threading.Tasks;
 

PSManagement.Application/Contracts/Authorization/IRoleService.cs

-using FluentResults;
+using Ardalis.Result;
 using PSManagement.Domain.Identity.Entities;
 using System.Collections.Generic;
 using System.Linq;

PSManagement.Application/Contracts/Authorization/IUserRoleService.cs

-using FluentResults;
+using Ardalis.Result;
 using System;
 using System.Collections.Generic;
 using System.Threading.Tasks;
@@ -7,10 +7,9 @@ namespace PSManagement.Application.Contracts.Authorization
 {
     public interface IUserRoleService
     {
-        Task<bool> IsInRoleAsync(int userId, string role);
-        Task<List<string>> GetUserRolesAsync(string email);
-        Task<Result> AssignUserToRole(string userName, string roleName);
-        Task UpdateUsersRole(string userName, string usersRole);
+        Task<bool> IsInRoleAsync(int userId, string roleName);
+        Task<Result<List<string>>> GetUserRolesAsync(string email);
+        Task<Result> AssignUserToRole(string email, string roleName);
         Task<Result> RemoveUserFromRole(string email, string roleName);
     }
 

PSManagement.Application/Contracts/Providers/IDepartmentsProvider.cs

 using PSManagement.Domain.Employees.Entities;
 using System.Collections.Generic;
+using System.Threading.Tasks;
 
 namespace PSManagement.Application.Contracts.Providers
 {
     public interface IDepartmentsProvider
     {
-        public ICollection<Department> FetchDepartments();
+        public Task<ICollection<Department>> FetchDepartments();
     }
 }

PSManagement.Application/Contracts/Providers/IEmployeesProvider.cs

@@ -9,6 +9,6 @@ namespace PSManagement.Application.Contracts.Providers
 {
     public interface IEmployeesProvider
     {
-        public ICollection<Employee> FetchEmployees();
+        public Task<IEnumerable<Employee>> FetchEmployees();
     }
 }

PSManagement.Application/Contracts/Storage/IFileService.cs

-using FluentResults;
+using Ardalis.Result;
 using System;
 using System.Collections.Generic;
 using System.Linq;

PSManagement.Application/Contracts/SyncData/ISyncDepartmentsService.cs

+using PSManagement.Application.Contracts.Providers;
+using System.Threading.Tasks;
+
+namespace PSManagement.Application.Contracts.SyncData
+{
+    public interface ISyncDepartmentsService
+    {
+        public Task<SyncResponse> SyncEmployees(IEmployeesProvider employeesProvider);
+    }
+}

PSManagement.Application/Contracts/SyncData/ISyncEmployeesService.cs

@@ -9,10 +9,10 @@ namespace PSManagement.Application.Contracts.SyncData
 {
     public interface ISyncEmployeesService
     {
-        public void SyncEmployees(IEmployeesProvider employeesProvider);
-    }
-    public interface ISyncDepartmentsService
-    {
-        public void SyncEmployees(IEmployeesProvider employeesProvider);
+        public Task<SyncResponse> SyncEmployees(IEmployeesProvider employeesProvider);
     }
+    public record SyncResponse(
+        int SyncDataCount,
+        DateTime SyncDate
+        );
 }

PSManagement.Application/Contracts/Authorization/IJwtTokenGenerator.cs → PSManagement.Application/Contracts/Tokens/IJwtTokenGenerator.cs

 using PSManagement.Domain.Identity.Entities;
 using System;
 
-namespace PSManagement.Application.Contracts.Authorization
+namespace PSManagement.Application.Contracts.Tokens
 {
     public interface IJwtTokenGenerator
     {
-        public String GenerateToken(User user);
+        public string GenerateToken(User user);
     }
 }

PSManagement.Application/Customers/Events/CustomerCreatedEventHandler.cs

@@ -11,10 +11,11 @@ namespace PSManagement.Application.Customers.Events
 {
     public class CustomerCreatedEventHandler : IDomainEventHandler<CutsomerCreatedEvent>
     {
-        public async Task Handle(CutsomerCreatedEvent notification, CancellationToken cancellationToken)
+        public  Task Handle(CutsomerCreatedEvent notification, CancellationToken cancellationToken)
         {
 
             Console.WriteLine("fdgfg");
+            return Task.CompletedTask;
 
         }
     }

PSManagement.Application/Customers/UseCases/Commands/AddContactInfo/AddContactInfoCommand.cs

-using FluentResults;
+using Ardalis.Result;
 using PSManagement.SharedKernel.CQRS.Command;
 using PSManagement.SharedKernel.Repositories;
 using System;
@@ -8,6 +8,9 @@ using System.Text;
 
 namespace PSManagement.Application.Customers.UseCases.Commands.AddContactInfo
 {
-    public record  AddContactInfoCommand(int CustomerId,String ContactType,String ContactValue ) : ICommand<Result>;
+    public record  AddContactInfoCommand(
+        int CustomerId,
+        String ContactType,
+        String ContactValue ) : ICommand<Result>;
 
 }

PSManagement.Application/Customers/UseCases/Commands/AddContactInfo/AddContactInfoCommandHandler.cs

-using FluentResults;
-using PSManagement.Domain.Customers.Aggregate;
+using Ardalis.Result;
 using PSManagement.Domain.Customers.DomainErrors;
 using PSManagement.Domain.Customers.Entities;
 using PSManagement.Domain.Customers.Repositories;
@@ -24,13 +23,13 @@ namespace PSManagement.Application.Customers.UseCases.Commands.AddContactInfo
 
             if (customer is null) {
 
-                return Result.Fail(CustomerErrors.InvalidEntryError);
+                return Result.Invalid(CustomerErrors.InvalidEntryError);
             }
             
             ContactInfo contact = new (request.ContactValue,request.ContactType);
             customer.AddContactInfo(contact);
             await _customersRepository.UpdateAsync(customer);
-            return Result.Ok();
+            return Result.Success();
         }
     }
 

PSManagement.Application/Customers/UseCases/Commands/CreateCustomer/CreateCustomerCommand.cs

 
-using FluentResults;
-using PSManagement.Application.Customers.Common;
-using PSManagement.Domain.Customers.Aggregate;
+using Ardalis.Result;
 using PSManagement.Domain.Customers.ValueObjects;
 using PSManagement.SharedKernel.CQRS.Command;
 using System;

PSManagement.Application/Customers/UseCases/Commands/CreateCustomer/CreateCustomerCommandHandler.cs

-using AutoMapper;
-using FluentResults;
-using PSManagement.Domain.Customers.Aggregate;
+using Ardalis.Result;
+using AutoMapper;
 using PSManagement.Domain.Customers.DomainEvents;
+using PSManagement.Domain.Customers.Entities;
 using PSManagement.Domain.Customers.Repositories;
 using PSManagement.Domain.Customers.ValueObjects;
 using PSManagement.SharedKernel.CQRS.Command;
@@ -35,7 +35,7 @@ namespace PSManagement.Application.Customers.UseCases.Commands.CreateCustomer
             customer.AddDomainEvent(new CutsomerCreatedEvent(customer.Id ,customer.CustomerName));
             await _unitOfWork.SaveChangesAsync();
 
-            return Result.Ok(customer.Id);
+            return Result.Success(customer.Id);
         }
     }
 }

PSManagement.Application/Customers/UseCases/Commands/DeleteCustomer/DeleteCustomerCommand.cs

-using FluentResults;
+
+using Ardalis.Result;
 using PSManagement.SharedKernel.CQRS.Command;
 using System;
 using System.Collections.Generic;

PSManagement.Application/Customers/UseCases/Commands/DeleteCustomer/DeleteCustomerCommandHandler.cs

-using FluentResults;
-using PSManagement.Domain.Customers.Aggregate;
+using Ardalis.Result;
 using PSManagement.Domain.Customers.DomainErrors;
+using PSManagement.Domain.Customers.Entities;
 using PSManagement.Domain.Customers.Repositories;
 using PSManagement.SharedKernel.CQRS.Command;
 using System;
@@ -27,12 +27,12 @@ namespace PSManagement.Application.Customers.UseCases.Commands.DeleteCustomer
             if (customer is null)
             {
 
-                return Result.Fail(CustomerErrors.InvalidEntryError);
+                return Result.Invalid(CustomerErrors.InvalidEntryError);
             }
 
             await _customersRepository.DeleteAsync(customer);
             
-            return Result.Ok();
+            return Result.Success();
         }
     }
 }

PSManagement.Application/Customers/UseCases/Commands/UpdateCustomer/UpdateCustomerCommand.cs

-using FluentResults;
-using PSManagement.Application.Customers.Common;
-using PSManagement.Domain.Customers.Aggregate;
+using Ardalis.Result;
 using PSManagement.Domain.Customers.ValueObjects;
 using PSManagement.SharedKernel.CQRS.Command;
 using System;

PSManagement.Application/Customers/UseCases/Commands/UpdateCustomer/UpdateCustomerCommandHandler.cs

-using AutoMapper;
-using FluentResults;
-using PSManagement.Domain.Customers.Aggregate;
+using Ardalis.Result;
+using AutoMapper;
+
 using PSManagement.Domain.Customers.DomainEvents;
+using PSManagement.Domain.Customers.Entities;
 using PSManagement.Domain.Customers.Repositories;
 using PSManagement.Domain.Customers.ValueObjects;
 using PSManagement.SharedKernel.CQRS.Command;
@@ -31,7 +32,7 @@ namespace PSManagement.Application.Customers.UseCases.Commands.UpdateCustomer
 
             await _customerRepository.UpdateAsync(customer);
             
-            return Result.Ok();
+            return Result.Success();
         }
     }
 }

PSManagement.Application/Customers/UseCases/Queries/GetCustomer/GetCustomerQuery.cs

-using FluentResults;
+using Ardalis.Result;
 using PSManagement.Application.Customers.Common;
 using PSManagement.SharedKernel.CQRS.Query;
 using System;

PSManagement.Application/Customers/UseCases/Queries/GetCustomer/GetCustomerQueryHandler.cs

-using AutoMapper;
-using FluentResults;
+using Ardalis.Result;
+using AutoMapper;
 using PSManagement.Application.Customers.Common;
-using PSManagement.Domain.Customers.Aggregate;
 using PSManagement.Domain.Customers.DomainErrors;
+using PSManagement.Domain.Customers.Entities;
 using PSManagement.Domain.Customers.Repositories;
 using PSManagement.SharedKernel.CQRS.Query;
 using System.Collections.Generic;
@@ -25,9 +25,9 @@ namespace PSManagement.Application.Customers.UseCases.Queries.GetCustomer
         {
             Customer customer = await _customersRepository.GetByIdAsync(request.customerId);
             if (customer is null) {
-                return Result.Fail(CustomerErrors.InvalidEntryError);
+                return Result.NotFound(CustomerErrors.InvalidEntryError.ErrorMessage);
             }
-            return Result.Ok(_mapper.Map<CustomerDTO>(customer));
+            return Result.Success(_mapper.Map<CustomerDTO>(customer));
 
         }
     }

PSManagement.Application/Customers/UseCases/Queries/ListAllCustomers/ListAllCustomersQuery.cs

-using FluentResults;
+using Ardalis.Result;
 using PSManagement.Application.Customers.Common;
 using PSManagement.SharedKernel.CQRS.Query;
 using System;

PSManagement.Application/Customers/UseCases/Queries/ListAllCustomers/ListAllCustomersQueryHandler.cs

-using AutoMapper;
-using FluentResults;
+using Ardalis.Result;
+using AutoMapper;
 using PSManagement.Application.Customers.Common;
 using PSManagement.Domain.Customers.Repositories;
 using PSManagement.SharedKernel.CQRS.Query;
@@ -21,7 +21,7 @@ namespace PSManagement.Application.Customers.UseCases.Queries.ListAllCustomers
 
         public async Task<Result<IEnumerable<CustomerDTO>>> Handle(ListAllCustomersQuery request, CancellationToken cancellationToken)
         {
-            return  Result.Ok( _mapper.Map<IEnumerable<CustomerDTO>>(await _customersRepository.ListAsync()));
+            return  Result.Success( _mapper.Map<IEnumerable<CustomerDTO>>(await _customersRepository.ListAsync()));
         }
     }
 

PSManagement.Application/PSManagement.Application.csproj

@@ -2,11 +2,13 @@
 
   <PropertyGroup>
     <TargetFramework>net5.0</TargetFramework>
+	  <NoWarn>NU1701</NoWarn>
   </PropertyGroup>
 
   <ItemGroup>
     <Folder Include="Behaviors\AuthorizationBehavior\" />
     <Folder Include="Employees\UseCases\Commands\UpdateEmployeeWorkHours\" />
+    <Folder Include="Employees\UseCases\Commands\SyncEmployeesData\" />
     <Folder Include="Employees\UseCases\Queries\GetEmployeeWorkingHours\" />
     <Folder Include="Employees\UseCases\Queries\GetEmployeeProjects\" />
     <Folder Include="Employees\UseCases\Queries\GetAvailableEmployees\" />
@@ -58,6 +60,7 @@
   <ItemGroup>
     <PackageReference Include="AutoMapper" Version="7.0.1" />
     <PackageReference Include="AutoMapper.Extensions.Microsoft.DependencyInjection" Version="5.0.1" />
+    <PackageReference Include="ErrorOr" Version="2.0.1" />
     <PackageReference Include="FluentValidation" Version="8.6.3" />
     <PackageReference Include="FluentValidation.DependencyInjectionExtensions" Version="8.6.3" />
     <PackageReference Include="MediatR" Version="8.0.1" />

PSManagement.Application/Projects/UseCases/Commands/CreateProject/CreateProjectCommand.cs

-using FluentResults;
+using Ardalis.Result;
 using PSManagement.Application.Projects.Common;
 using PSManagement.Domain.Projects.ValueObjects;
 using PSManagement.SharedKernel.CQRS.Command;
@@ -13,9 +13,10 @@ namespace PSManagement.Application.Projects.UseCases.Commands.CreateProject
         ProjectInfo ProjectInfo ,
         ProposalInfo ProposalInfo,
         Aggreement ProjectAggreement,
+        FinancialFund FinancialFund,
         int TeamLeaderId ,
         int ProjectManagerId,
-        int ProposerId
-        ) : ICommand<Result<ProjectDTO>>;
-
+        int ProposerId,
+        int ExecuterId
+        ) : ICommand<Result<CreateProjectResponse>>;
 }

PSManagement.Application/Projects/UseCases/Commands/CreateProject/CreateProjectCommandHandler.cs

-using FluentResults;
+using Ardalis.Result;
 using PSManagement.Application.Projects.Common;
+using PSManagement.Domain.Projects.Builders;
+using PSManagement.Domain.Projects.Entities;
 using PSManagement.Domain.Projects.Repositories;
 using PSManagement.SharedKernel.CQRS.Command;
+using PSManagement.SharedKernel.Interfaces;
 using System.Threading;
 using System.Threading.Tasks;
 
 namespace PSManagement.Application.Projects.UseCases.Commands.CreateProject
 {
-    public class CreateProjectCommandHandler : ICommandHandler<CreateProjectCommand, Result<ProjectDTO>>
+    public class CreateProjectCommandHandler : ICommandHandler<CreateProjectCommand, Result<CreateProjectResponse>>
     {
         private readonly IProjectsRepository _projectsRepository;
+        private readonly ProjectBuilder _projectBuilder;
+        private readonly IUnitOfWork _unitOfWork;
 
-        public CreateProjectCommandHandler(IProjectsRepository projectsRepository)
+
+        public CreateProjectCommandHandler(
+            IProjectsRepository projectsRepository,
+            ProjectBuilder projectBuilder,
+            IUnitOfWork unitOfWork)
         {
             _projectsRepository = projectsRepository;
+            _projectBuilder = projectBuilder;
+            _unitOfWork = unitOfWork;
         }
 
-        public Task<Result<ProjectDTO>> Handle(CreateProjectCommand request, CancellationToken cancellationToken)
+        public async Task<Result<CreateProjectResponse>> Handle(CreateProjectCommand request, CancellationToken cancellationToken)
         {
-            
-            return Task.FromResult<Result<ProjectDTO>>(Result.Fail(new Error("")));
+            Project project = _projectBuilder
+                .WithProjectAggreement(request.ProjectAggreement)
+                .WithProjectInfo(request.ProjectInfo)
+                .WithProposalInfo(request.ProposalInfo)
+                .WithExecuter(request.ExecuterId)
+                .WithFinancialFund(request.FinancialFund)
+                .WithProjectManager(request.ProjectManagerId)
+                .WithTeamLeader(request.TeamLeaderId)
+                .WithProposer(request.ProposerId)
+                .Build();
+            Project AddedProject =await _projectsRepository.AddAsync(project);
+            CreateProjectResponse response = new (
+                AddedProject.Id,
+                AddedProject.ProposalInfo,
+                AddedProject.ProjectInfo,
+                AddedProject.ProjectAggreement,
+                AddedProject.TeamLeaderId,
+                AddedProject.ProjectManagerId,
+                AddedProject.ExecuterId
+                );
+            await _unitOfWork.SaveChangesAsync();
+            return Result.Success(response);
 
         }
     }

PSManagement.Application/Projects/UseCases/Commands/CreateProject/CreateProjectResponse.cs

+using PSManagement.Domain.Projects.ValueObjects;
+
+namespace PSManagement.Application.Projects.UseCases.Commands.CreateProject
+{
+    public record CreateProjectResponse(
+         int ProjectId,
+         ProposalInfo ProposalInfo ,
+         ProjectInfo ProjectInfo,
+         Aggreement ProjectAggrement,
+         int TeamLeaderId ,
+         int ProjectManagerId,
+         int ExecuterId 
+        );
+}