public DataBaseRepository(MyBlogContext dbContext)
{
if (dbContext == null)
{
throw new ArgumentNullException("dbContext can not be null.");
}
_dbContext = dbContext;
_dbSet = dbContext.Set <T>();
}
public async Task <List <TEntity> > GetAllAsync()
{
return(await _context.Set <TEntity>().ToListAsync());
}
public async Task <TEntity> GetAsync(Expression <Func <TEntity, bool> > filter)
{
using var context = new MyBlogContext();
return(await context.Set <TEntity>().FirstOrDefaultAsync(filter));
}
public async Task <List <TEntity> > GetAllAsync <TKey>(Expression <Func <TEntity, TKey> > keySelector)
{
using var context = new MyBlogContext();
return(await context.Set <TEntity>().OrderByDescending(keySelector).ToListAsync());
}
public async Task <List <TEntity> > GetAllAsync(Expression <Func <TEntity, bool> > filter)
{
using var context = new MyBlogContext();
return(await context.Set <TEntity>().Where(filter).ToListAsync());
}
public async Task <List <TEntity> > GetAllAsync()
{
using var context = new MyBlogContext();
return(await context.Set <TEntity>().ToListAsync());
}