/// <summary>
/// 获取类别的内容项集合
/// </summary>
/// <param name="categoryId">分类的Id集合</param>
/// <param name="pageSize">页面大小</param>
/// <param name="pageIndex">当前页码</param>
/// <param name="totalRecords">输出参数：总记录数</param>
/// <returns>当页内容项的ID集合</returns>
public IEnumerable <long> GetItemIds(long categoryId, IEnumerable <long> categorieIds, int pageSize, int pageIndex, out long totalRecords)
{
//根据条件获取内容项同分类的对应实体集合
PagingDataSet <ItemInCategory> itemInCategories =
GetPagingEntities(pageSize, pageIndex, Caching.CachingExpirationType.UsualObjectCollection,
() =>
{
StringBuilder categoriesIdsStringBuilder = new StringBuilder();
foreach (long id in categorieIds)
{
categoriesIdsStringBuilder.AppendFormat("-{0}", id);
}
//获取缓存
StringBuilder cacheKey = new StringBuilder(RealTimeCacheHelper.GetListCacheKeyPrefix(CacheVersionType.AreaVersion, "CategoryId", categoryId));
cacheKey.AppendFormat("allCategoryIds-{0}", categoriesIdsStringBuilder.ToString());
return(cacheKey.ToString());
},
() =>
{
//组装获取实体的sql语句
var sql = PetaPoco.Sql.Builder;
sql.Where(" CategoryId in (@ids)", new { ids = categorieIds });
return(sql);
}
);
totalRecords = itemInCategories.TotalRecords;
//返回CategoryId集合
return(itemInCategories.Where(n => n != null).Select(n => n.ItemId).ToList());
}
/// <summary>
/// 微博图片模式数据页
/// </summary>
/// <param name="pageIndex"></param>
/// <param name="tenantTypeId"></param>
/// <param name="mediaType"></param>
/// <param name="isOriginal"></param>
/// <param name="sortBy"></param>
/// <returns></returns>
public ActionResult _Waterfall(int pageIndex = 1, string tenantTypeId = "", MediaType?mediaType = null, bool?isOriginal = null, SortBy_Microblog sortBy = SortBy_Microblog.DateCreated)
{
//获取微博分页数据
PagingDataSet <MicroblogEntity> MicroblogEntities = microblogService.GetPagings(pageIndex, tenantTypeId: TenantTypeIds.Instance().User(), mediaType: mediaType, sortBy: sortBy);
//获取微博图片
AttachmentService <Attachment> attachementService = new AttachmentService <Attachment>(TenantTypeIds.Instance().Microblog());
foreach (var MicroblogEntity in MicroblogEntities.Where(n => n.HasPhoto))
{
IEnumerable <Attachment> attachments = attachementService.GetsByAssociateId(MicroblogEntity.MicroblogId);
if (attachments != null && attachments.Count <Attachment>() > 0)
{
MicroblogEntity.ImageWidth = attachments.First().Width;
MicroblogEntity.ImageUrl = SiteUrls.Instance().ImageUrl(attachments.First(), TenantTypeIds.Instance().Microblog(), ImageSizeTypeKeys.Instance().Big());
}
}
//设置当前登录用户对当前页用户的关注情况
//如果当前登录用户关注了该用户
return(View(MicroblogEntities.AsEnumerable <MicroblogEntity>()));
}
/// <summary>
/// 微博图片模式数据页
/// </summary>
/// <param name="pageIndex"></param>
/// <param name="tenantTypeId"></param>
/// <param name="mediaType"></param>
/// <param name="isOriginal"></param>
/// <param name="sortBy"></param>
/// <returns></returns>
public ActionResult _Waterfall(int pageIndex = 1, string tenantTypeId = "", MediaType?mediaType = null, bool?isOriginal = null, SortBy_Microblog sortBy = SortBy_Microblog.DateCreated)
{
//获取微博分页数据
PagingDataSet <MicroblogEntity> MicroblogEntities = microblogService.GetPagings(pageIndex, tenantTypeId: TenantTypeIds.Instance().User(), mediaType: mediaType, sortBy: sortBy);
//获取微博图片
AttachmentService <Attachment> attachementService = new AttachmentService <Attachment>(TenantTypeIds.Instance().Microblog());
foreach (var MicroblogEntity in MicroblogEntities.Where(n => n.HasPhoto))
{
IEnumerable <Attachment> attachments = attachementService.GetsByAssociateId(MicroblogEntity.MicroblogId);
if (attachments != null && attachments.Count <Attachment>() > 0)
{
MicroblogEntity.ImageWidth = attachments.First().Width;
MicroblogEntity.ImageUrl = SiteUrls.Instance().ImageUrl(attachments.First(), TenantTypeIds.Instance().Microblog(), ImageSizeTypeKeys.Instance().Big());
}
}
IUser CurrentUser = UserContext.CurrentUser;
if (CurrentUser != null)
{
//设置当前登录用户对当前页用户的关注情况
Dictionary <long, bool> isCurrentUserFollowDic = new Dictionary <long, bool>();
foreach (var user in MicroblogEntities.Select(m => m.User))
{
if (user == null)
{
continue;
}
//如果当前登录用户关注了该用户
if (followService.IsFollowed(CurrentUser.UserId, user.UserId))
{
if (!isCurrentUserFollowDic.ContainsKey(user.UserId))
{
isCurrentUserFollowDic.Add(user.UserId, true);
}
}
else
{
if (!isCurrentUserFollowDic.ContainsKey(user.UserId))
{
isCurrentUserFollowDic.Add(user.UserId, false);
}
}
}
ViewData["isCurrentUserFollowDic"] = isCurrentUserFollowDic;
}
return(View(MicroblogEntities.AsEnumerable <MicroblogEntity>()));
}
