public void Add(T entity)
{
_ctx.Set <T>().Add(entity);
/*
* without class => where T : class,new()
* _ctx.Set(entity.GetType()).Add(entity);
*/
_ctx.SaveChanges();
}
protected override void Seed(NewsContext context)
{
var defaultRssSources = new List <NewsRssSource>
{
NewsRssSource.Create("Nasdaq: Business News", "http://articlefeeds.nasdaq.com/nasdaq/categories?category=Business", true),
NewsRssSource.Create("Nasdaq: Forex and currencies", "http://articlefeeds.nasdaq.com/nasdaq/categories?category=Forex+and+Currencies", true),
NewsRssSource.Create("DailyFX: Forex market news and analysis", "https://rss.dailyfx.com/feeds/all", true)
};
context.Set <NewsRssSource>().AddOrUpdate(x => x.Url, defaultRssSources.ToArray());
context.SaveChanges();
}
public async Task <ActionResult> Delete(int id)
{
var news = await _context.Set <News>().FirstOrDefaultAsync(n => n.Id == id);
if (news == null)
{
return(NotFound());
}
_context.Remove(news);
await _context.SaveChangesAsync();
_eventBus.Publish(new NewsRemoveEvent(id));
return(NoContent());
}
protected async Task AddTodb(IEnumerable <Models.News> items)
{
_db.Set <Models.News>().AddRange(items);
await _db.SaveChangesAsync();
}
public IQueryable <T> GetAll()
{
return(dbContext.Set <T>());
}
public GenericRepository()
{
context = new NewsContext();
_dbset = context.Set <Tentity>();
//_/*dbset.Where(x => x.)*/
}
public BaseRepository(string connectionString)
{
DB = new NewsContext(connectionString);
Collection = DB.Set <TEntity>();
}
public Repository(NewsContext db)
{
Db = db;
DbSet = db.Set <TEntity>();
}
public Repository(NewsContext context)
{
this.context = context;
this.set = context.Set <T>();
}
public IQueryable <TModel> GetAll()
{
return(_dbContext.Set <TModel>().AsNoTracking());
}
/// <summary>
/// 取得 最新消息標題清單
/// </summary>
/// <returns></returns>
public List <GetNewsListReturnDTO> GetNewsTitleList()
{
List <GetNewsListReturnDTO> lsreturnDto = new List <GetNewsListReturnDTO>();
try
{
IEnumerable <News> dbSet = _dbContext.Set <News>().Where(o => o.IsEnable == true).OrderByDescending(o => o.CreateTime);
foreach (News item in dbSet)
{
GetNewsListReturnDTO newDto = new GetNewsListReturnDTO()
{
NewsID = item.ID,
NewsTitle = item.Title,
NewsCategory = item.Category,
CreateDate = item.CreateTime
};
lsreturnDto.Add(newDto);
}
}
catch (Exception ex)
{
throw;
}
return(lsreturnDto);
}
public virtual List <T> BringItAll()
{
return(db.Set <T>().ToList());
}
/// <summary> /// 获取单个实体 /// </summary> /// <param name="predicate"></param> /// <returns></returns> public virtual async Task <TEntity> FirstOrDefaultAsync(Expression <Func <TEntity, bool> > predicate) => await _BaseDb.Set <TEntity>().AsNoTracking().FirstOrDefaultAsync(predicate);