initial commit

Features/Thirdparty/CustomerGroup/Cqrs/CreateCustomerGroupHandler.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.CustomerGroup.Cqrs;
+
+public class CreateCustomerGroupRequest
+{
+    public string? Name { get; set; }
+    public string? Description { get; set; }
+}
+
+public class CreateCustomerGroupResponse
+{
+    public string? Id { get; set; }
+    public string? Name { get; set; }
+}
+
+public record CreateCustomerGroupCommand(CreateCustomerGroupRequest Data) : IRequest<CreateCustomerGroupResponse>;
+
+public class CreateCustomerGroupHandler : IRequestHandler<CreateCustomerGroupCommand, CreateCustomerGroupResponse>
+{
+    private readonly AppDbContext _context;
+
+    public CreateCustomerGroupHandler(AppDbContext context) => _context = context;
+
+    public async Task<CreateCustomerGroupResponse> Handle(CreateCustomerGroupCommand request, CancellationToken cancellationToken)
+    {
+        var isExists = await _context.CustomerGroup
+            .AnyAsync(x => x.Name == request.Data.Name, cancellationToken);
+
+        if (isExists)
+        {
+            throw new AlreadyExistsException("Customer Group", request.Data.Name ?? string.Empty);
+        }
+
+        var entity = new Data.Entities.CustomerGroup
+        {
+            Name = request.Data.Name,
+            Description = request.Data.Description
+        };
+
+        _context.CustomerGroup.Add(entity);
+        await _context.SaveChangesAsync(cancellationToken);
+
+        return new CreateCustomerGroupResponse
+        {
+            Id = entity.Id,
+            Name = entity.Name
+        };
+    }
+}

Features/Thirdparty/CustomerGroup/Cqrs/CreateCustomerGroupValidator.cs

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+using FluentValidation;
+using Indotalent.Shared.Consts;
+
+namespace Indotalent.Features.Thirdparty.CustomerGroup.Cqrs;
+
+public class CreateCustomerGroupValidator : AbstractValidator<CreateCustomerGroupRequest>
+{
+    public CreateCustomerGroupValidator()
+    {
+        RuleFor(x => x.Name)
+            .NotEmpty().WithMessage("Group Name is required")
+            .MaximumLength(GlobalConsts.StringLengthShort);
+
+        RuleFor(x => x.Description)
+            .MaximumLength(GlobalConsts.StringLengthMedium);
+    }
+}

Features/Thirdparty/CustomerGroup/Cqrs/DeleteCustomerGroupByIdHandler.cs

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

Features/Thirdparty/CustomerGroup/Cqrs/GetCustomerGroupByIdHandler.cs

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

Features/Thirdparty/CustomerGroup/Cqrs/GetCustomerGroupListHandler.cs

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+using Indotalent.Infrastructure.Database;
+using MediatR;
+using Microsoft.EntityFrameworkCore;
+
+namespace Indotalent.Features.Thirdparty.CustomerGroup.Cqrs;
+
+public class GetCustomerGroupListResponse
+{
+    public string? Id { get; set; }
+    public string? Name { get; set; }
+    public string? Description { get; set; }
+    public DateTimeOffset? CreatedAt { get; set; }
+    public string? CreatedBy { get; set; }
+    public DateTimeOffset? UpdatedAt { get; set; }
+    public string? UpdatedBy { get; set; }
+}
+
+public record GetCustomerGroupListQuery() : IRequest<List<GetCustomerGroupListResponse>>;
+
+public class GetCustomerGroupListHandler : IRequestHandler<GetCustomerGroupListQuery, List<GetCustomerGroupListResponse>>
+{
+    private readonly AppDbContext _context;
+
+    public GetCustomerGroupListHandler(AppDbContext context) => _context = context;
+
+    public async Task<List<GetCustomerGroupListResponse>> Handle(GetCustomerGroupListQuery request, CancellationToken cancellationToken)
+    {
+        return await _context.CustomerGroup
+            .AsNoTracking()
+            .OrderBy(x => x.Name)
+            .Select(x => new GetCustomerGroupListResponse
+            {
+                Id = x.Id,
+                Name = x.Name,
+                Description = x.Description,
+                CreatedAt = x.CreatedAt,
+                CreatedBy = x.CreatedBy,
+                UpdatedAt = x.UpdatedAt,
+                UpdatedBy = x.UpdatedBy,
+            })
+            .ToListAsync(cancellationToken);
+    }
+}

Features/Thirdparty/CustomerGroup/Cqrs/UpdateCustomerGroupHandler.cs

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+using Indotalent.ConfigBackEnd.Exceptions;
+using Indotalent.Infrastructure.Database;
+using MediatR;
+using Microsoft.EntityFrameworkCore;
+
+namespace Indotalent.Features.Thirdparty.CustomerGroup.Cqrs;
+
+public class UpdateCustomerGroupRequest
+{
+    public string? Id { get; set; }
+    public string? Name { get; set; }
+    public string? Description { get; set; }
+    public DateTimeOffset? CreatedAt { get; set; }
+    public string? CreatedBy { get; set; }
+    public DateTimeOffset? UpdatedAt { get; set; }
+    public string? UpdatedBy { get; set; }
+}
+
+public class UpdateCustomerGroupResponse
+{
+    public string? Id { get; set; }
+    public bool Success { get; set; }
+}
+
+public record UpdateCustomerGroupCommand(UpdateCustomerGroupRequest Data) : IRequest<UpdateCustomerGroupResponse>;
+
+public class UpdateCustomerGroupHandler : IRequestHandler<UpdateCustomerGroupCommand, UpdateCustomerGroupResponse>
+{
+    private readonly AppDbContext _context;
+
+    public UpdateCustomerGroupHandler(AppDbContext context) => _context = context;
+
+    public async Task<UpdateCustomerGroupResponse> Handle(UpdateCustomerGroupCommand request, CancellationToken cancellationToken)
+    {
+        var isExists = await _context.CustomerGroup
+            .AnyAsync(x => x.Name == request.Data.Name && x.Id != request.Data.Id, cancellationToken);
+
+        if (isExists)
+        {
+            throw new AlreadyExistsException("Customer Group", request.Data.Name ?? string.Empty);
+        }
+
+        var entity = await _context.CustomerGroup
+            .FirstOrDefaultAsync(x => x.Id == request.Data.Id, cancellationToken);
+
+        if (entity == null)
+        {
+            return new UpdateCustomerGroupResponse { Id = request.Data.Id, Success = false };
+        }
+
+        entity.Name = request.Data.Name;
+        entity.Description = request.Data.Description;
+        await _context.SaveChangesAsync(cancellationToken);
+
+        return new UpdateCustomerGroupResponse
+        {
+            Id = entity.Id,
+            Success = true
+        };
+    }
+}

Features/Thirdparty/CustomerGroup/Cqrs/UpdateCustomerGroupValidator.cs

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+using FluentValidation;
+using Indotalent.Shared.Consts;
+
+namespace Indotalent.Features.Thirdparty.CustomerGroup.Cqrs;
+
+public class UpdateCustomerGroupValidator : AbstractValidator<UpdateCustomerGroupRequest>
+{
+    public UpdateCustomerGroupValidator()
+    {
+        RuleFor(x => x.Id)
+            .NotEmpty().WithMessage("ID is required for update");
+
+        RuleFor(x => x.Name)
+            .NotEmpty().WithMessage("Group Name is required")
+            .MaximumLength(GlobalConsts.StringLengthShort);
+
+        RuleFor(x => x.Description)
+            .MaximumLength(GlobalConsts.StringLengthMedium);
+    }
+}