initial commit

Features/Thirdparty/CustomerContact/Cqrs/CreateCustomerContactHandler.cs

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+using Indotalent.ConfigBackEnd.Exceptions;
+using Indotalent.ConfigBackEnd.Extensions;
+using Indotalent.Infrastructure.Database;
+using MediatR;
+using Microsoft.EntityFrameworkCore;
+
+namespace Indotalent.Features.Thirdparty.CustomerContact.Cqrs;
+
+public class CreateCustomerContactRequest
+{
+    public string? Name { get; set; }
+    public string? JobTitle { get; set; }
+    public string? PhoneNumber { get; set; }
+    public string? EmailAddress { get; set; }
+    public string? Description { get; set; }
+    public string? CustomerId { get; set; }
+}
+
+public class CreateCustomerContactResponse
+{
+    public string? Id { get; set; }
+    public string? Name { get; set; }
+}
+
+public record CreateCustomerContactCommand(CreateCustomerContactRequest Data) : IRequest<CreateCustomerContactResponse>;
+
+public class CreateCustomerContactHandler : IRequestHandler<CreateCustomerContactCommand, CreateCustomerContactResponse>
+{
+    private readonly AppDbContext _context;
+
+    public CreateCustomerContactHandler(AppDbContext context) => _context = context;
+
+    public async Task<CreateCustomerContactResponse> Handle(CreateCustomerContactCommand request, CancellationToken cancellationToken)
+    {
+        var entityName = nameof(Data.Entities.CustomerContact);
+
+        var autoNo = await _context.GenerateAutoNumberAsync(
+            entityName: entityName,
+            prefixTemplate: $"{entityName.ToShortNameConsonant(3)}/{{Year}}/",
+            ct: cancellationToken
+        );
+
+        var entity = new Data.Entities.CustomerContact
+        {
+            AutoNumber = autoNo,
+            Name = request.Data.Name,
+            JobTitle = request.Data.JobTitle,
+            PhoneNumber = request.Data.PhoneNumber,
+            EmailAddress = request.Data.EmailAddress,
+            Description = request.Data.Description,
+            CustomerId = request.Data.CustomerId
+        };
+
+        _context.CustomerContact.Add(entity);
+        await _context.SaveChangesAsync(cancellationToken);
+
+        return new CreateCustomerContactResponse
+        {
+            Id = entity.Id,
+            Name = entity.Name
+        };
+    }
+}

Features/Thirdparty/CustomerContact/Cqrs/CreateCustomerContactValidator.cs

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+using FluentValidation;
+using Indotalent.Shared.Consts;
+
+namespace Indotalent.Features.Thirdparty.CustomerContact.Cqrs;
+
+public class CreateCustomerContactValidator : AbstractValidator<CreateCustomerContactRequest>
+{
+    public CreateCustomerContactValidator()
+    {
+        RuleFor(x => x.Name)
+            .NotEmpty().WithMessage("Contact Name is required")
+            .MaximumLength(GlobalConsts.StringLengthShort);
+
+        RuleFor(x => x.CustomerId)
+            .NotEmpty().WithMessage("Customer is required");
+
+        RuleFor(x => x.EmailAddress)
+            .EmailAddress().When(x => !string.IsNullOrEmpty(x.EmailAddress));
+    }
+}

Features/Thirdparty/CustomerContact/Cqrs/DeleteCustomerContactByIdHandler.cs

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+using Indotalent.Infrastructure.Database;
+using MediatR;
+using Microsoft.EntityFrameworkCore;
+
+namespace Indotalent.Features.Thirdparty.CustomerContact.Cqrs;
+
+public record DeleteCustomerContactByIdRequest(string Id);
+
+public record DeleteCustomerContactByIdCommand(DeleteCustomerContactByIdRequest Data) : IRequest<bool>;
+
+public class DeleteCustomerContactByIdHandler : IRequestHandler<DeleteCustomerContactByIdCommand, bool>
+{
+    private readonly AppDbContext _context;
+
+    public DeleteCustomerContactByIdHandler(AppDbContext context) => _context = context;
+
+    public async Task<bool> Handle(DeleteCustomerContactByIdCommand request, CancellationToken cancellationToken)
+    {
+        var entity = await _context.CustomerContact
+            .FirstOrDefaultAsync(x => x.Id == request.Data.Id, cancellationToken);
+
+        if (entity == null) return false;
+
+        _context.CustomerContact.Remove(entity);
+        return await _context.SaveChangesAsync(cancellationToken) > 0;
+    }
+}

Features/Thirdparty/CustomerContact/Cqrs/GetCustomerContactByIdHandler.cs

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+using Indotalent.Infrastructure.Database;
+using MediatR;
+using Microsoft.EntityFrameworkCore;
+
+namespace Indotalent.Features.Thirdparty.CustomerContact.Cqrs;
+
+public class GetCustomerContactByIdResponse
+{
+    public string? Id { get; set; }
+    public string? AutoNumber { get; set; }
+    public string? Name { get; set; }
+    public string? JobTitle { get; set; }
+    public string? PhoneNumber { get; set; }
+    public string? EmailAddress { get; set; }
+    public string? Description { get; set; }
+    public string? CustomerId { get; set; }
+    public DateTimeOffset? CreatedAt { get; set; }
+    public string? CreatedBy { get; set; }
+    public DateTimeOffset? UpdatedAt { get; set; }
+    public string? UpdatedBy { get; set; }
+}
+
+public record GetCustomerContactByIdQuery(string Id) : IRequest<GetCustomerContactByIdResponse?>;
+
+public class GetCustomerContactByIdHandler : IRequestHandler<GetCustomerContactByIdQuery, GetCustomerContactByIdResponse?>
+{
+    private readonly AppDbContext _context;
+
+    public GetCustomerContactByIdHandler(AppDbContext context) => _context = context;
+
+    public async Task<GetCustomerContactByIdResponse?> Handle(GetCustomerContactByIdQuery request, CancellationToken cancellationToken)
+    {
+        return await _context.CustomerContact
+            .AsNoTracking()
+            .Where(x => x.Id == request.Id)
+            .Select(x => new GetCustomerContactByIdResponse
+            {
+                Id = x.Id,
+                AutoNumber = x.AutoNumber,
+                Name = x.Name,
+                JobTitle = x.JobTitle,
+                PhoneNumber = x.PhoneNumber,
+                EmailAddress = x.EmailAddress,
+                Description = x.Description,
+                CustomerId = x.CustomerId,
+                CreatedAt = x.CreatedAt,
+                CreatedBy = x.CreatedBy,
+                UpdatedAt = x.UpdatedAt,
+                UpdatedBy = x.UpdatedBy,
+            })
+            .FirstOrDefaultAsync(cancellationToken);
+    }
+}

Features/Thirdparty/CustomerContact/Cqrs/GetCustomerContactListHandler.cs

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+using Indotalent.Infrastructure.Database;
+using MediatR;
+using Microsoft.EntityFrameworkCore;
+
+namespace Indotalent.Features.Thirdparty.CustomerContact.Cqrs;
+
+public class GetCustomerContactListResponse
+{
+    public string? Id { get; set; }
+    public string? AutoNumber { get; set; }
+    public string? Name { get; set; }
+    public string? JobTitle { get; set; }
+    public string? PhoneNumber { get; set; }
+    public string? EmailAddress { get; set; }
+    public string? CustomerName { get; set; }
+}
+
+public record GetCustomerContactListQuery() : IRequest<List<GetCustomerContactListResponse>>;
+
+public class GetCustomerContactListHandler : IRequestHandler<GetCustomerContactListQuery, List<GetCustomerContactListResponse>>
+{
+    private readonly AppDbContext _context;
+
+    public GetCustomerContactListHandler(AppDbContext context) => _context = context;
+
+    public async Task<List<GetCustomerContactListResponse>> Handle(GetCustomerContactListQuery request, CancellationToken cancellationToken)
+    {
+        return await _context.CustomerContact
+            .AsNoTracking()
+            .Include(x => x.Customer)
+            .OrderBy(x => x.Name)
+            .Select(x => new GetCustomerContactListResponse
+            {
+                Id = x.Id,
+                AutoNumber = x.AutoNumber,
+                Name = x.Name,
+                JobTitle = x.JobTitle,
+                PhoneNumber = x.PhoneNumber,
+                EmailAddress = x.EmailAddress,
+                CustomerName = x.Customer != null ? x.Customer.Name : string.Empty
+            })
+            .ToListAsync(cancellationToken);
+    }
+}

Features/Thirdparty/CustomerContact/Cqrs/LookupCustomerContactHandler.cs

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+using Indotalent.Infrastructure.Database;
+using MediatR;
+using Microsoft.EntityFrameworkCore;
+
+namespace Indotalent.Features.Thirdparty.CustomerContact.Cqrs;
+
+public class LookupCustomerContactResponse
+{
+    public List<LookupItem> Customers { get; set; } = new();
+}
+
+public class LookupItem
+{
+    public string? Id { get; set; }
+    public string? Name { get; set; }
+}
+
+public record LookupCustomerContactQuery() : IRequest<LookupCustomerContactResponse>;
+
+public class LookupCustomerContactHandler : IRequestHandler<LookupCustomerContactQuery, LookupCustomerContactResponse>
+{
+    private readonly AppDbContext _context;
+
+    public LookupCustomerContactHandler(AppDbContext context) => _context = context;
+
+    public async Task<LookupCustomerContactResponse> Handle(LookupCustomerContactQuery request, CancellationToken cancellationToken)
+    {
+        var result = new LookupCustomerContactResponse();
+
+        result.Customers = await _context.Customer
+            .AsNoTracking()
+            .OrderBy(x => x.Name)
+            .Select(x => new LookupItem { Id = x.Id, Name = x.Name })
+            .ToListAsync(cancellationToken);
+
+        return result;
+    }
+}

Features/Thirdparty/CustomerContact/Cqrs/UpdateCustomerContactHandler.cs

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+using Indotalent.ConfigBackEnd.Exceptions;
+using Indotalent.Infrastructure.Database;
+using MediatR;
+using Microsoft.EntityFrameworkCore;
+
+namespace Indotalent.Features.Thirdparty.CustomerContact.Cqrs;
+
+public class UpdateCustomerContactRequest
+{
+    public string? Id { get; set; }
+    public string? Name { get; set; }
+    public string? JobTitle { get; set; }
+    public string? PhoneNumber { get; set; }
+    public string? EmailAddress { get; set; }
+    public string? Description { get; set; }
+    public string? CustomerId { get; set; }
+    public DateTimeOffset? CreatedAt { get; set; }
+    public string? CreatedBy { get; set; }
+    public DateTimeOffset? UpdatedAt { get; set; }
+    public string? UpdatedBy { get; set; }
+}
+
+public class UpdateCustomerContactResponse
+{
+    public string? Id { get; set; }
+    public bool Success { get; set; }
+}
+
+public record UpdateCustomerContactCommand(UpdateCustomerContactRequest Data) : IRequest<UpdateCustomerContactResponse>;
+
+public class UpdateCustomerContactHandler : IRequestHandler<UpdateCustomerContactCommand, UpdateCustomerContactResponse>
+{
+    private readonly AppDbContext _context;
+
+    public UpdateCustomerContactHandler(AppDbContext context) => _context = context;
+
+    public async Task<UpdateCustomerContactResponse> Handle(UpdateCustomerContactCommand request, CancellationToken cancellationToken)
+    {
+        var entity = await _context.CustomerContact
+            .FirstOrDefaultAsync(x => x.Id == request.Data.Id, cancellationToken);
+
+        if (entity == null)
+        {
+            return new UpdateCustomerContactResponse { Id = request.Data.Id, Success = false };
+        }
+
+        entity.Name = request.Data.Name;
+        entity.JobTitle = request.Data.JobTitle;
+        entity.PhoneNumber = request.Data.PhoneNumber;
+        entity.EmailAddress = request.Data.EmailAddress;
+        entity.Description = request.Data.Description;
+        entity.CustomerId = request.Data.CustomerId;
+
+        await _context.SaveChangesAsync(cancellationToken);
+
+        return new UpdateCustomerContactResponse
+        {
+            Id = entity.Id,
+            Success = true
+        };
+    }
+}

Features/Thirdparty/CustomerContact/Cqrs/UpdateCustomerContactValidator.cs

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+using FluentValidation;
+using Indotalent.Shared.Consts;
+
+namespace Indotalent.Features.Thirdparty.CustomerContact.Cqrs;
+
+public class UpdateCustomerContactValidator : AbstractValidator<UpdateCustomerContactRequest>
+{
+    public UpdateCustomerContactValidator()
+    {
+        RuleFor(x => x.Id)
+            .NotEmpty().WithMessage("ID is required for update");
+
+        RuleFor(x => x.Name)
+            .NotEmpty().WithMessage("Contact Name is required")
+            .MaximumLength(GlobalConsts.StringLengthShort);
+
+        RuleFor(x => x.CustomerId)
+            .NotEmpty().WithMessage("Customer is required");
+
+        RuleFor(x => x.EmailAddress)
+            .EmailAddress().When(x => !string.IsNullOrEmpty(x.EmailAddress));
+    }
+}