125 lines
3.5 KiB
C#
125 lines
3.5 KiB
C#
using Microsoft.EntityFrameworkCore;
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using Microsoft.Extensions.Logging;
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using PARR.DAL.Context;
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using PARR.DAL.DomainModels;
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using PARR.DAL.Models.Base;
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using PARR.DAL.Services.Interfaces.Base;
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namespace PARR.DAL.Services.Abstracts
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{
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internal abstract class BaseService<T> : IBaseService<T> where T : class, IBase
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{
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private readonly ILogger<BaseService<T>> logger;
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protected abstract DbSet<T> EntitySet { get; }
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protected abstract DataContext EntitiContext { get; }
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public BaseService(ILogger<BaseService<T>> logger)
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{
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this.logger = logger;
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}
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public virtual async Task<bool> AddRangeAsync(List<T> objs)
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{
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objs.ForEach(item => item.DateCreated = DateTimeOffset.UtcNow);
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try
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{
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await EntitySet.AddRangeAsync(objs);
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return true;
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}
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catch (Exception ex)
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{
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logger.LogError(ex, "Ошибка при добавлении диапазона в БД.");
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return false;
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}
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}
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public async Task<bool> CommitAsync()
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{
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try
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{
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await EntitiContext.SaveChangesAsync();
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return true;
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}
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catch (Exception ex)
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{
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logger.LogError(ex, "Ошибка при Commit");
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return false;
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}
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}
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public virtual async Task<bool> CreateAsync(T obj)
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{
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obj.DateCreated = DateTimeOffset.UtcNow;
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try
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{
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await EntitySet.AddAsync(obj);
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return true;
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}
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catch (Exception ex)
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{
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logger.LogError(ex, "Ошибка при добавлении в БД.");
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return false;
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}
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}
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public virtual bool Delete(T obj)
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{
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try
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{
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EntitySet.Remove(obj);
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return true;
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}
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catch (Exception ex)
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{
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logger.LogError(ex, "Ошибка при удалении из БД.");
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return false;
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}
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}
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public virtual async Task<bool> DeleteAsync(Guid id)
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{
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try
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{
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var exist = await GetAsync(id);
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if (exist == null)
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{
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logger.LogError($"Ошибка при удалении из БД. Не найдена запись в БД с id: {id}");
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return false;
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}
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EntitySet.Remove(exist);
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return true;
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}
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catch (Exception ex)
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{
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logger.LogError(ex, "Ошибка при удалении из БД.");
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return false;
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}
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}
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public virtual IQueryable<T> Get()
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{
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return EntitySet;
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}
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public virtual async Task<T?> GetAsync(Guid id)
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{
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return await EntitySet.FirstOrDefaultAsync(t => t.Id == id);
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}
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public virtual IQueryable<T> GetPage(IQueryable<T> query, PaginationFilter paginationFilter)
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{
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//if (paginationFilter.IsDisabledPagination)
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// return query;
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int skip = (paginationFilter.PageNumber - 1) * paginationFilter.PageSize;
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return query.Skip(skip).Take(paginationFilter.PageSize);
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}
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}
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}
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