PostgraduateGuidanceRepository.cs

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using System;
using System.Collections.Generic;
using System.Linq;
using Microsoft.EntityFrameworkCore;
using ScientificReport.DAL.DbContext;
using ScientificReport.DAL.Entities;
using ScientificReport.DAL.Interfaces;

namespace ScientificReport.DAL.Repositories
{
    public class PostgraduateGuidanceRepository: IRepository<PostgraduateGuidance>
    {
        private readonly ScientificReportDbContext _context;
        
        public PostgraduateGuidanceRepository(ScientificReportDbContext context)
        {
            _context = context;
        }
        
        public virtual IEnumerable<PostgraduateGuidance> All()
        {
            return _context.PostgraduateGuidances.Include(pg => pg.Guide);
        }

        public virtual IEnumerable<PostgraduateGuidance> AllWhere(Func<PostgraduateGuidance, bool> predicate)
        {
            return All().Where(predicate);
        }

        public virtual PostgraduateGuidance Get(Guid id)
        {
            return All().FirstOrDefault(u => u.Id == id);
        }

        public virtual PostgraduateGuidance Get(Func<PostgraduateGuidance, bool> predicate)
        {
            return All().Where(predicate).FirstOrDefault();
        }

        public virtual void Create(PostgraduateGuidance item)
        {
            _context.PostgraduateGuidances.Add(item);
            _context.SaveChanges();
        }

        public virtual void Update(PostgraduateGuidance item)
        {
            if (item != null)
            {
                _context.PostgraduateGuidances.Update(item);
                _context.SaveChanges();
            }
        }

        public virtual void Delete(Guid id)
        {
            var item = _context.PostgraduateGuidances.Find(id);
            if (item != null)
            {
                _context.PostgraduateGuidances.Remove(item);
                _context.SaveChanges();
            }
        }

        public virtual IQueryable<PostgraduateGuidance> GetQuery()
        {
            return _context.PostgraduateGuidances;
        }
    }
}