/// <summary>
/// 搜索自动完成
/// </summary>
/// <param name="keyword">关键词</param>
/// <param name="topNumber">数目</param>
/// <returns></returns>
public JsonResult SearchAutoComplete(string keyword, int topNumber)
{
PhotoSearcher photoSearcher = (PhotoSearcher)SearcherFactory.GetSearcher(PhotoSearcher.CODE);
IEnumerable <string> terms = photoSearcher.AutoCompleteSearch(keyword, topNumber);
return(Json(terms.Select(t => new { tagName = t, tagNameWithHighlight = SearchEngine.Highlight(keyword, string.Join("", t.Take(34)), 100) }), JsonRequestBehavior.AllowGet));
}
/// <summary>
/// 为照片添加标签时触发
/// </summary>
private void AddTagsToPhoto_BatchAfter(IEnumerable <string> senders, TagEventArgs eventArgs)
{
if (eventArgs.TenantTypeId == TenantTypeIds.Instance().Photo())
{
long photoId = eventArgs.ItemId;
if (photoSearcher == null)
{
photoSearcher = (PhotoSearcher)SearcherFactory.GetSearcher(PhotoSearcher.CODE);
}
photoSearcher.Update(new PhotoService().GetPhoto(photoId));
}
}
/// <summary>
/// 全文检索瀑布流
/// </summary>
/// <param name="query"></param>
/// <param name="pageIndex"></param>
/// <param name="pageSize"></param>
/// <returns></returns>
public ActionResult _SearchWaterFall(PhotoFullTextQuery query, int pageIndex = 1, int pageSize = 20)
{
query.TenantTypeId = TenantTypeIds.Instance().User();
query.PageSize = pageSize;
query.PageIndex = pageIndex;
IUser currentUser = UserContext.CurrentUser;
if (currentUser != null && currentUser.UserId == query.UserId)
{
query.IgnoreAuditAndPrivacy = true;
}
//调用搜索器进行搜索
PhotoSearcher photoSearcher = (PhotoSearcher)SearcherFactory.GetSearcher(PhotoSearcher.CODE);
PagingDataSet <Photo> photos = photoSearcher.Search(query);
return(View(photos));
}
/// <summary>
/// 照片全局搜索
/// </summary>
/// <param name="query">搜索条件</param>
/// <param name="topNumber">显示数目</param>
/// <returns></returns>
public ActionResult _GlobalSearch(PhotoFullTextQuery query, int topNumber)
{
query.TenantTypeId = TenantTypeIds.Instance().User();
query.PageIndex = 1;
query.PageSize = 20;
PhotoSearcher photoSearcher = (PhotoSearcher)SearcherFactory.GetSearcher(PhotoSearcher.CODE);
PagingDataSet <Photo> photos = photos = photoSearcher.Search(query);
List <Photo> list = new List <Photo>();
foreach (var item in photos)
{
if (authorizer.Photo_Search(item.Album))
{
list.Add(item);
}
}
ViewData["photoSearcherUrl"] = photoSearcher.PageSearchActionUrl(query.Keyword);
ViewData["total"] = photos.TotalRecords;
ViewData["queryDuration"] = photos.QueryDuration;
return(View(list.Take(topNumber)));
}
//照片增加、删除、更新、设置精华、取消精华
private void Photo_After(Photo photo, CommonEventArgs eventArgs)
{
if (photo == null)
{
return;
}
if (photoSearcher == null)
{
photoSearcher = (PhotoSearcher)SearcherFactory.GetSearcher(PhotoSearcher.CODE);
}
if (eventArgs.EventOperationType == EventOperationType.Instance().Create())
{
photoSearcher.Insert(photo);
}
else if (eventArgs.EventOperationType == EventOperationType.Instance().Update() || eventArgs.EventOperationType == EventOperationType.Instance().Approved() || eventArgs.EventOperationType == EventOperationType.Instance().Disapproved())
{
photoSearcher.Update(photo);
}
else if (eventArgs.EventOperationType == EventOperationType.Instance().Delete())
{
photoSearcher.Delete(photo);
}
}
/// <summary>
/// 快捷搜索
/// </summary>
/// <param name="query"></param>
/// <param name="topNumber"></param>
/// <returns></returns>
public ActionResult _QuickSearch(PhotoFullTextQuery query, int topNumber)
{
query.TenantTypeId = TenantTypeIds.Instance().User();
query.PageSize = 20;
query.Keyword = WebUtility.HtmlDecode(query.Keyword);
query.Filter = PhotoSearchRange.DESCRIPTION;
PhotoSearcher photoSearcher = (PhotoSearcher)SearcherFactory.GetSearcher(PhotoSearcher.CODE);
PagingDataSet <Photo> photos = photoSearcher.Search(query);
List <Photo> list = new List <Photo>();
foreach (var item in photos)
{
if (authorizer.Photo_Search(item.Album))
{
list.Add(item);
}
}
ViewData["total"] = photos.TotalRecords;
ViewData["photoSearcherUrl"] = photoSearcher.PageSearchActionUrl(query.Keyword);
return(View(list.Take(topNumber)));
}
/// <summary>
/// 照片搜索
/// </summary>
/// <param name="query">条件</param>
/// <returns></returns>
public ActionResult Search(PhotoFullTextQuery query)
{
query.Keyword = WebUtility.UrlDecode(query.Keyword);
query.TenantTypeId = TenantTypeIds.Instance().User();
query.PageSize = 20;
IUser currentUser = UserContext.CurrentUser;
if (currentUser != null)
{
if (currentUser.UserId == query.UserId)
{
query.IgnoreAuditAndPrivacy = true;
}
}
ViewData["keyword"] = query.Keyword;
ViewData["filter"] = query.Filter;
ViewData["userId"] = query.UserId;
//调用搜索器进行搜索
PhotoSearcher photoSearcher = (PhotoSearcher)SearcherFactory.GetSearcher(PhotoSearcher.CODE);
PagingDataSet <Photo> photos = photoSearcher.Search(query);
int minus = 0;
foreach (var photo in photos)
{
bool isCurrentUser = true;
if (currentUser != null)
{
isCurrentUser = query.UserId == currentUser.UserId ? true : photo.AuditStatus == AuditStatus.Success;
}
if (!(authorizer.Photo_Search(photo.Album) && isCurrentUser))
{
minus++;
}
}
ViewData["minus"] = minus;
//添加到用户搜索历史记录
if (currentUser != null)
{
if (!string.IsNullOrWhiteSpace(query.Keyword))
{
searchHistoryService.SearchTerm(currentUser.UserId, PhotoSearcher.CODE, query.Keyword);
}
}
//添加到热词
if (!string.IsNullOrWhiteSpace(query.Keyword))
{
searchedTermService.SearchTerm(PhotoSearcher.CODE, query.Keyword);
}
//设置页面Meta
if (string.IsNullOrWhiteSpace(query.Keyword))
{
pageResourceManager.InsertTitlePart("照片搜索");
}
else
{
pageResourceManager.InsertTitlePart(query.Keyword + "的相关照片");
}
return(View(photos));
}