public async Task <IEnumerable <CommentViewModel> > CommentList(CommentQueryParameter param)
{
var items = await CommentQuery.SelectAsync(param);
var result = items.MapList <CommentViewModel>();
return(result);
}
public async Task <List <Comment> > SelectAsync(CommentQueryParameter param)
{
Func <IQueryable <Comment>, IQueryable <Comment> > query = (queryable) => {
if (param == null)
{
return(queryable);
}
if (param.PostId != null)
{
queryable = queryable.Where(e => e.PostId == param.PostId.Value);
}
if (param.UserId != null)
{
queryable = queryable.Where(e => e.UserId == param.UserId.Value);
}
return(queryable);
};
return(await SelectAsync(query));
}
public async Task <IPaged <Comment> > PagedAsync(int pageIndex, int pageSize, CommentQueryParameter param)
{
Func <IQueryable <Comment>, IQueryable <Comment> > query = (queryable) => {
if (param == null)
{
return(queryable);
}
if (param.PostId != null)
{
queryable = queryable.Where(e => e.PostId == param.PostId.Value);
}
if (param.UserId != null)
{
queryable = queryable.Where(e => e.UserId == param.UserId.Value);
}
return(queryable);
};
return(await base.PagedAsync(query, pageIndex, pageSize));
}
public async Task <IPaged <CommentViewModel> > Paged(int pageIndex = 1, int pageSize = 10, CommentQueryParameter param = null)
{
var result = await CommentQuery.PagedAsync(pageIndex, pageSize, param);
var paged = result.MapPaged <CommentViewModel>();
return(paged);
}
