initial commit

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

Features/Inventory/ProductGroup/Cqrs/CreateProductGroupValidator.cs

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

Features/Inventory/ProductGroup/Cqrs/DeleteProductGroupByIdHandler.cs

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

Features/Inventory/ProductGroup/Cqrs/GetProductGroupByIdHandler.cs

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+using Indotalent.Infrastructure.Database;
+using MediatR;
+using Microsoft.EntityFrameworkCore;
+
+namespace Indotalent.Features.Inventory.ProductGroup.Cqrs;
+
+public class GetProductGroupByIdResponse
+{
+    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 GetProductGroupByIdQuery(string Id) : IRequest<GetProductGroupByIdResponse?>;
+
+public class GetProductGroupByIdHandler : IRequestHandler<GetProductGroupByIdQuery, GetProductGroupByIdResponse?>
+{
+    private readonly AppDbContext _context;
+
+    public GetProductGroupByIdHandler(AppDbContext context) => _context = context;
+
+    public async Task<GetProductGroupByIdResponse?> Handle(GetProductGroupByIdQuery request, CancellationToken cancellationToken)
+    {
+        return await _context.ProductGroup
+            .AsNoTracking()
+            .Where(x => x.Id == request.Id)
+            .Select(x => new GetProductGroupByIdResponse
+            {
+                Id = x.Id,
+                Name = x.Name,
+                Description = x.Description,
+                CreatedAt = x.CreatedAt,
+                CreatedBy = x.CreatedBy,
+                UpdatedAt = x.UpdatedAt,
+                UpdatedBy = x.UpdatedBy,
+            })
+            .FirstOrDefaultAsync(cancellationToken);
+    }
+}

Features/Inventory/ProductGroup/Cqrs/GetProductGroupListHandler.cs

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+using Indotalent.Infrastructure.Database;
+using MediatR;
+using Microsoft.EntityFrameworkCore;
+
+namespace Indotalent.Features.Inventory.ProductGroup.Cqrs;
+
+public class GetProductGroupListResponse
+{
+    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 GetProductGroupListQuery() : IRequest<List<GetProductGroupListResponse>>;
+
+public class GetProductGroupListHandler : IRequestHandler<GetProductGroupListQuery, List<GetProductGroupListResponse>>
+{
+    private readonly AppDbContext _context;
+
+    public GetProductGroupListHandler(AppDbContext context) => _context = context;
+
+    public async Task<List<GetProductGroupListResponse>> Handle(GetProductGroupListQuery request, CancellationToken cancellationToken)
+    {
+        return await _context.ProductGroup
+            .AsNoTracking()
+            .OrderBy(x => x.Name)
+            .Select(x => new GetProductGroupListResponse
+            {
+                Id = x.Id,
+                Name = x.Name,
+                Description = x.Description,
+                CreatedAt = x.CreatedAt,
+                CreatedBy = x.CreatedBy,
+                UpdatedAt = x.UpdatedAt,
+                UpdatedBy = x.UpdatedBy,
+            })
+            .ToListAsync(cancellationToken);
+    }
+}

Features/Inventory/ProductGroup/Cqrs/UpdateProductGroupHandler.cs

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+using Indotalent.ConfigBackEnd.Exceptions;
+using Indotalent.Infrastructure.Database;
+using MediatR;
+using Microsoft.EntityFrameworkCore;
+
+namespace Indotalent.Features.Inventory.ProductGroup.Cqrs;
+
+public class UpdateProductGroupRequest
+{
+    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 UpdateProductGroupResponse
+{
+    public string? Id { get; set; }
+    public bool Success { get; set; }
+}
+
+public record UpdateProductGroupCommand(UpdateProductGroupRequest Data) : IRequest<UpdateProductGroupResponse>;
+
+public class UpdateProductGroupHandler : IRequestHandler<UpdateProductGroupCommand, UpdateProductGroupResponse>
+{
+    private readonly AppDbContext _context;
+
+    public UpdateProductGroupHandler(AppDbContext context) => _context = context;
+
+    public async Task<UpdateProductGroupResponse> Handle(UpdateProductGroupCommand request, CancellationToken cancellationToken)
+    {
+        var isExists = await _context.ProductGroup
+            .AnyAsync(x => x.Name == request.Data.Name && x.Id != request.Data.Id, cancellationToken);
+
+        if (isExists)
+        {
+            throw new AlreadyExistsException("Product Group", request.Data.Name ?? string.Empty);
+        }
+
+        var entity = await _context.ProductGroup
+            .FirstOrDefaultAsync(x => x.Id == request.Data.Id, cancellationToken);
+
+        if (entity == null)
+        {
+            return new UpdateProductGroupResponse { Id = request.Data.Id, Success = false };
+        }
+
+        entity.Name = request.Data.Name;
+        entity.Description = request.Data.Description;
+        await _context.SaveChangesAsync(cancellationToken);
+
+        return new UpdateProductGroupResponse
+        {
+            Id = entity.Id,
+            Success = true
+        };
+    }
+}

Features/Inventory/ProductGroup/Cqrs/UpdateProductGroupValidator.cs

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+using FluentValidation;
+using Indotalent.Shared.Consts;
+
+namespace Indotalent.Features.Inventory.ProductGroup.Cqrs;
+
+public class UpdateProductGroupValidator : AbstractValidator<UpdateProductGroupRequest>
+{
+    public UpdateProductGroupValidator()
+    {
+        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);
+    }
+}