private void SaveRecentSimilarArtist(SimilarArtistModel artistModel)
{
try
{
using (var session = DocumentStore.OpenSession())
{
IRavenQueryable <SimilarArtistModel> artists = session.Query <SimilarArtistModel>();
if (artists.Any(a => a.Name.Equals(artistModel.Name, StringComparison.InvariantCultureIgnoreCase)))
{
return;
}
int count = artists.Count();
if (count > 50)
{
var tooMany = count - 50;
var tooManyArtists = artists.Take(tooMany);
foreach (var artist in tooManyArtists)
{
session.Delete(artist);
}
}
session.Store(artistModel);
session.SaveChanges();
}
}
catch (Exception e)
{
Logger.Log(e.Message, Category.Exception, Priority.Medium);
}
}
/// <summary>
/// 分页扩展方法
/// </summary>
/// <typeparam name="T">领域实体</typeparam>
/// <param name="queryable">集合对象</param>
/// <param name="predicate">查询条件</param>
/// <param name="pageIndex">页索引</param>
/// <param name="pageSize">页容量</param>
/// <param name="rowCount">总记录条数</param>
/// <param name="pageCount">总页数</param>
/// <returns>对象集合</returns>
public static IRavenQueryable <T> ToPage <T>(this IRavenQueryable <T> queryable, Expression <Func <T, bool> > predicate, int pageIndex, int pageSize, out int rowCount, out int pageCount)
where T : PlainEntity
{
IRavenQueryable <T> list = queryable.Where(predicate);
rowCount = list.Count();
pageCount = (int)Math.Ceiling(rowCount * 1.0 / pageSize);
return(list.OrderByDescending(x => x.AddedTime).Skip((pageIndex - 1) * pageSize).Take(pageSize));
}
private static void CheckListIsCorrect(string message, IRavenQueryable <Item> itemsInList, List <string> itemList)
{
//Console.WriteLine($"Checking {message}");
var itemListCount = itemsInList.Count();
if (itemListCount != itemList.Count)
{
Console.WriteLine("XXXXXXXXXXXXXX Error: Expected {0} items in list, actual is: {1}", itemList.Count, itemListCount);
}
Console.WriteLine("There are {0} items in the some items list:", itemListCount);
itemsInList.ForEach(PrintItem);
Console.WriteLine("");
}
private int NumberOfDocumentsInDbByIndex(IDocumentStore aStore)
{
using (IDocumentSession session = aStore.OpenSession())
{
IRavenQueryable <DocumentView> query =
session.Query <Document, VersionedDocuments>()
.Customize(aCustomization => aCustomization.WaitForNonStaleResultsAsOfNow(TimeSpan.FromMinutes(10)))
.ProjectFromIndexFieldsInto <DocumentView>();
foreach (DocumentView document in query)
{
Debug.WriteLine(String.Format("Document {0} v.{1}", document.Id, document.Version));
}
return(query.Count());
}
}
