PublicationRepository.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.Publications;
using ScientificReport.DAL.Interfaces;

namespace ScientificReport.DAL.Repositories
{
    public class PublicationRepository : IRepository<Publication>
    {
        private readonly ScientificReportDbContext _context;

        public PublicationRepository(ScientificReportDbContext context)
        {
            _context = context;
        }
        
        public virtual IEnumerable<Publication> All()
        {
            return _context.Publications
                .Include(b => b.UserProfilesPublications)
                .ThenInclude(b => b.UserProfile);
        }

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

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

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

        public virtual void Create(Publication item)
        {
            _context.Publications.Add(item);
            _context.SaveChanges();
        }

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

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

        public virtual IQueryable<Publication> GetQuery()
        {
            return _context.Publications;
        }
    }
}