Backend-Api/CompanyManagment.EFCore/Repository/ClassificationGroupSalariesRepository.cs

using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using _0_Framework.Application;
using _0_Framework.InfraStructure;
using Company.Domain.ClassificationSchemeAgg;
using CompanyManagment.App.Contracts.ClassificationScheme;
using Microsoft.EntityFrameworkCore;

namespace CompanyManagment.EFCore.Repository;

public class ClassificationGroupSalariesRepository : RepositoryBase<long, ClassificationGroupSalary>, IClassificationGroupSalariesRepository
{
    private readonly CompanyContext _context;
    public ClassificationGroupSalariesRepository(CompanyContext context) : base(context)
    {
        _context = context;
    }


    public async Task CreateSalaries(List<ClassificationGroupSalary> createClassificationGroupSalary)
    {
        if (createClassificationGroupSalary.Count > 0)
        {
            await _context.ClassificationGroupSalaries.AddRangeAsync(createClassificationGroupSalary);
            await _context.SaveChangesAsync();
        }
    }


    public async Task<SalaryAndRialCoefficientTab> GetSalariesTabData(long schemeId)
    {
        var scheme = await _context.ClassificationSchemes
            .Include(xg => xg.ClassificationGroups)
            .ThenInclude(xs => xs.ClassificationGroupSalaries)
            .FirstOrDefaultAsync(x => x.id == schemeId);

        if (scheme == null)
            return null;

        // جمع‌آوری همه‌ی حقوق‌ها از تمام گروه‌ها
        var allSalaries = scheme.ClassificationGroups
            .SelectMany(g => g.ClassificationGroupSalaries)
            .ToList();

        // اگر هیچ حقوقی وجود ندارد
        if (!allSalaries.Any())
        {
            return new SalaryAndRialCoefficientTab
            {
                SchemeId = scheme.id,
                HasAnySalaries = false,
                SalaryAndRialCoefficientTabDataList = new List<SalaryAndRialCoefficientTabDataList>()
            };
        }

        // ✅ گروه‌بندی بر اساس StartDate و EndDate برای حذف موارد تکراری
        var distinctPeriods = allSalaries
            .GroupBy(s => new { s.StartDate, s.EndDate })
            .Select(g => g.First()) // فقط یکی از هر بازه تاریخ
            .OrderByDescending(x => x.StartDate)
            .ToList();

        // ✅ تبدیل به مدل خروجی
        var dataList = distinctPeriods
            .Select(s => new SalaryAndRialCoefficientTabDataList
            {
                StartDateFa = s.StartDate.ToFarsi(),
                EndDateFa = s.EndDate.ToFarsi(),
                Year = s.Year// یا هر روش سال شمسی که داری
            })
            .ToList();

        var result = new SalaryAndRialCoefficientTab
        {
            SchemeId = scheme.id,
            HasAnySalaries = allSalaries.Any(),
            SalaryAndRialCoefficientTabDataList = dataList
        };

        return result;


    }
}