initial commit

Features/Organization/Designation/Cqrs/CreateDesignationHandler.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.Organization.Designation.Cqrs;
+
+public class CreateDesignationRequest
+{
+    public string? Code { get; set; }
+    public string? Name { get; set; }
+    public string? Description { get; set; }
+    public string? Level { get; set; }
+    public string OtherInformation1 { get; set; } = string.Empty;
+    public string OtherInformation2 { get; set; } = string.Empty;
+    public string OtherInformation3 { get; set; } = string.Empty;
+}
+
+public class CreateDesignationResponse
+{
+    public string? Id { get; set; }
+    public string? Code { get; set; }
+}
+
+public record CreateDesignationCommand(CreateDesignationRequest Data) : IRequest<CreateDesignationResponse>;
+
+public class CreateDesignationHandler : IRequestHandler<CreateDesignationCommand, CreateDesignationResponse>
+{
+    private readonly AppDbContext _context;
+
+    public CreateDesignationHandler(AppDbContext context) => _context = context;
+
+    public async Task<CreateDesignationResponse> Handle(CreateDesignationCommand request, CancellationToken cancellationToken)
+    {
+        var isExists = await _context.Designation
+            .AnyAsync(x => x.Code == request.Data.Code, cancellationToken);
+
+        if (isExists)
+        {
+            throw new AlreadyExistsException("Designation", request.Data.Code ?? string.Empty);
+        }
+
+        var entityName = nameof(Data.Entities.Designation);
+
+        var autoNo = await _context.GenerateAutoNumberAsync(
+            entityName: entityName,
+            prefixTemplate: $"{entityName.ToShortNameConsonant(3)}/{{Year}}/",
+            ct: cancellationToken
+        );
+
+        var entity = new Data.Entities.Designation
+        {
+            AutoNumber = autoNo,
+            Code = request.Data.Code,
+            Name = request.Data.Name,
+            Description = request.Data.Description,
+            Level = request.Data.Level,
+            OtherInformation1 = request.Data.OtherInformation1,
+            OtherInformation2 = request.Data.OtherInformation2,
+            OtherInformation3 = request.Data.OtherInformation3
+        };
+
+        _context.Designation.Add(entity);
+        await _context.SaveChangesAsync(cancellationToken);
+
+        return new CreateDesignationResponse
+        {
+            Id = entity.Id,
+            Code = entity.Code
+        };
+    }
+}

Features/Organization/Designation/Cqrs/CreateDesignationValidator.cs

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+using FluentValidation;
+using Indotalent.Shared.Consts;
+
+namespace Indotalent.Features.Organization.Designation.Cqrs;
+
+public class CreateDesignationValidator : AbstractValidator<CreateDesignationRequest>
+{
+    public CreateDesignationValidator()
+    {
+        RuleFor(x => x.Code)
+            .NotEmpty().WithMessage("Designation Code is required")
+            .MaximumLength(GlobalConsts.StringLengthShort);
+
+        RuleFor(x => x.Name)
+            .NotEmpty().WithMessage("Designation Name is required")
+            .MaximumLength(GlobalConsts.StringLengthShort);
+
+        RuleFor(x => x.Level)
+            .NotEmpty().WithMessage("Level is required");
+    }
+}

Features/Organization/Designation/Cqrs/DeleteDesignationByIdHandler.cs

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

Features/Organization/Designation/Cqrs/GetDesignationByIdHandler.cs

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+using Indotalent.Infrastructure.Database;
+using MediatR;
+using Microsoft.EntityFrameworkCore;
+
+namespace Indotalent.Features.Organization.Designation.Cqrs;
+
+public class GetDesignationByIdResponse
+{
+    public string? Id { get; set; }
+    public string? AutoNumber { get; set; }
+    public string? Code { get; set; }
+    public string? Name { get; set; }
+    public string? Description { get; set; }
+    public string? Level { get; set; }
+    public string? OtherInformation1 { get; set; }
+    public string? OtherInformation2 { get; set; }
+    public string? OtherInformation3 { get; set; }
+    public DateTimeOffset? CreatedAt { get; set; }
+    public string? CreatedBy { get; set; }
+    public DateTimeOffset? UpdatedAt { get; set; }
+    public string? UpdatedBy { get; set; }
+}
+
+public record GetDesignationByIdQuery(string Id) : IRequest<GetDesignationByIdResponse?>;
+
+public class GetDesignationByIdHandler : IRequestHandler<GetDesignationByIdQuery, GetDesignationByIdResponse?>
+{
+    private readonly AppDbContext _context;
+
+    public GetDesignationByIdHandler(AppDbContext context) => _context = context;
+
+    public async Task<GetDesignationByIdResponse?> Handle(GetDesignationByIdQuery request, CancellationToken cancellationToken)
+    {
+        return await _context.Designation
+            .AsNoTracking()
+            .Where(x => x.Id == request.Id)
+            .Select(x => new GetDesignationByIdResponse
+            {
+                Id = x.Id,
+                AutoNumber = x.AutoNumber,
+                Code = x.Code,
+                Name = x.Name,
+                Description = x.Description,
+                Level = x.Level,
+                OtherInformation1 = x.OtherInformation1,
+                OtherInformation2 = x.OtherInformation2,
+                OtherInformation3 = x.OtherInformation3,
+                CreatedAt = x.CreatedAt,
+                CreatedBy = x.CreatedBy,
+                UpdatedAt = x.UpdatedAt,
+                UpdatedBy = x.UpdatedBy
+            })
+            .FirstOrDefaultAsync(cancellationToken);
+    }
+}

Features/Organization/Designation/Cqrs/GetDesignationListHandler.cs

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+using Indotalent.ConfigBackEnd.Extensions;
+using Indotalent.Infrastructure.Database;
+using MediatR;
+using Microsoft.EntityFrameworkCore;
+
+namespace Indotalent.Features.Organization.Designation.Cqrs;
+
+public class GetDesignationListResponse
+{
+    public string? Id { get; set; }
+    public string? AutoNumber { get; set; }
+    public string? Code { get; set; }
+    public string? Name { get; set; }
+    public string? Level { get; set; }
+    public string? Description { get; set; }
+}
+
+public record GetDesignationListQuery() : IRequest<List<GetDesignationListResponse>>;
+
+public class GetDesignationListHandler : IRequestHandler<GetDesignationListQuery, List<GetDesignationListResponse>>
+{
+    private readonly AppDbContext _context;
+
+    public GetDesignationListHandler(AppDbContext context) => _context = context;
+
+    public async Task<List<GetDesignationListResponse>> Handle(GetDesignationListQuery request, CancellationToken cancellationToken)
+    {
+        return await _context.Designation
+            .AsNoTracking()
+            .NotDeletedOnly()
+            .OrderBy(x => x.Code)
+            .Select(x => new GetDesignationListResponse
+            {
+                Id = x.Id,
+                AutoNumber = x.AutoNumber,
+                Code = x.Code,
+                Name = x.Name,
+                Level = x.Level,
+                Description = x.Description,
+            })
+            .ToListAsync(cancellationToken);
+    }
+}

Features/Organization/Designation/Cqrs/UpdateDesignationHandler.cs

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+using Indotalent.ConfigBackEnd.Exceptions;
+using Indotalent.Infrastructure.Database;
+using MediatR;
+using Microsoft.EntityFrameworkCore;
+
+namespace Indotalent.Features.Organization.Designation.Cqrs;
+
+public class UpdateDesignationRequest : CreateDesignationRequest
+{
+    public string? Id { get; set; }
+    public DateTimeOffset? CreatedAt { get; set; }
+    public string? CreatedBy { get; set; }
+    public DateTimeOffset? UpdatedAt { get; set; }
+    public string? UpdatedBy { get; set; }
+}
+
+public class UpdateDesignationResponse
+{
+    public string? Id { get; set; }
+    public bool Success { get; set; }
+}
+
+public record UpdateDesignationCommand(UpdateDesignationRequest Data) : IRequest<UpdateDesignationResponse>;
+
+public class UpdateDesignationHandler : IRequestHandler<UpdateDesignationCommand, UpdateDesignationResponse>
+{
+    private readonly AppDbContext _context;
+
+    public UpdateDesignationHandler(AppDbContext context) => _context = context;
+
+    public async Task<UpdateDesignationResponse> Handle(UpdateDesignationCommand request, CancellationToken cancellationToken)
+    {
+        var entity = await _context.Designation
+            .FirstOrDefaultAsync(x => x.Id == request.Data.Id, cancellationToken);
+
+        if (entity == null) return new UpdateDesignationResponse { Id = request.Data.Id, Success = false };
+
+        var isExists = await _context.Designation
+            .AnyAsync(x => x.Code == request.Data.Code && x.Id != request.Data.Id, cancellationToken);
+
+        if (isExists)
+        {
+            throw new AlreadyExistsException("Designation", request.Data.Code ?? string.Empty);
+        }
+
+        entity.Code = request.Data.Code;
+        entity.Name = request.Data.Name;
+        entity.Description = request.Data.Description;
+        entity.Level = request.Data.Level;
+        entity.OtherInformation1 = request.Data.OtherInformation1;
+        entity.OtherInformation2 = request.Data.OtherInformation2;
+        entity.OtherInformation3 = request.Data.OtherInformation3;
+
+        await _context.SaveChangesAsync(cancellationToken);
+
+        return new UpdateDesignationResponse
+        {
+            Id = entity.Id,
+            Success = true
+        };
+    }
+}

Features/Organization/Designation/Cqrs/UpdateDesignationValidator.cs

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+using FluentValidation;
+using Indotalent.Shared.Consts;
+
+namespace Indotalent.Features.Organization.Designation.Cqrs;
+
+public class UpdateDesignationValidator : AbstractValidator<UpdateDesignationRequest>
+{
+    public UpdateDesignationValidator()
+    {
+        RuleFor(x => x.Id)
+            .NotEmpty().WithMessage("ID is required for update");
+
+        RuleFor(x => x.Code)
+            .NotEmpty().WithMessage("Designation Code is required")
+            .MaximumLength(GlobalConsts.StringLengthShort);
+
+        RuleFor(x => x.Name)
+            .NotEmpty().WithMessage("Designation Name is required")
+            .MaximumLength(GlobalConsts.StringLengthShort);
+
+        RuleFor(x => x.Level)
+            .NotEmpty().WithMessage("Level is required");
+    }
+}