/// <summary>
/// 获取符何指定过滤器条件的主题列表
/// </summary>
/// <param name="filter">过滤器</param>
/// <param name="sort">排序方式</param>
/// <param name="pageIndex">显示的页码，从1开始计数</param>
/// <param name="pageSize">每页显示的记录数</param>
/// <param name="recordCount">总记录数(ref)</param>
/// <returns></returns>
protected override List<SimpleThemeView> GetSimpleThemes(ThemesFilter filter, ThemeSortOption sort, int pageIndex, int pageSize, ref int recordCount)
{
List<SimpleThemeView> themes;
string cacheKey = BuildCacheKey("GetSimpleThemes", filter.ToString(), sort.ToString(), pageIndex, pageSize);
string cacheKeyOfRecordCount = BuildCacheKey("GetSimpleThemes", filter.ToString(), sort.ToString(), pageSize);
if (_enableCache == false)
{
themes = base.GetSimpleThemes(filter, sort, pageIndex, pageSize, ref recordCount);
_enableCache = true;
}
else
{
if (CacheHelper.Contains(cacheKeyOfRecordCount))
{
recordCount = CacheHelper.Get<int>(cacheKeyOfRecordCount);
}
if (CacheHelper.Contains(cacheKey))
{
themes = CacheHelper.Get<List<SimpleThemeView>>(cacheKey);
}
else
{
themes = base.GetSimpleThemes(filter, sort, pageIndex, pageSize, ref recordCount);
CacheHelper.Set<List<SimpleThemeView>>(cacheKey, themes, _cacheTime);
CacheHelper.Set<int>(cacheKeyOfRecordCount, recordCount, _cacheTime);
}
}
return themes;
}
/// <summary>
/// 获取符何指定过滤器条件的主题列表
/// </summary>
/// <param name="filter">过滤器</param>
/// <param name="sort">排序方式</param>
/// <param name="dispayNumber">提取条数</param>
/// <returns></returns>
protected override List<FullThemeView> GetFullThemes(ThemesFilter filter, ThemeSortOption sort, int dispayNumber)
{
List<FullThemeView> themes;
string cacheKey = BuildCacheKey("GetFullThemes", filter.ToString(), sort.ToString(), dispayNumber);
if (_enableCache == false)
{
themes = base.GetFullThemes(filter, sort, dispayNumber);
_enableCache = true;
}
else
{
if (CacheHelper.Contains(cacheKey))
{
themes = CacheHelper.Get<List<FullThemeView>>(cacheKey);
}
else
{
themes = base.GetFullThemes(filter, sort, dispayNumber);
CacheHelper.Set<List<FullThemeView>>(cacheKey, themes, _cacheTime);
}
}
return themes;
}
/// <summary>
/// 获取符何指定过滤器条件的主题列表
/// </summary>
/// <param name="filter">过滤器</param>
/// <param name="sort">排序方式</param>
/// <param name="pageIndex">显示的页码，从1开始计数</param>
/// <param name="pageSize">每页显示的记录数</param>
/// <param name="recordCount">总记录数(ref)</param>
/// <returns></returns>
protected virtual List<SimpleThemeView> GetSimpleThemes(ThemesFilter filter, ThemeSortOption sort, int pageIndex, int pageSize, ref int recordCount)
{
SqlParameter[] parameters = new SqlParameter[]
{
SqlParameterHelper.BuildParameter("@RecordNum",SqlDbType.Int, 4, ParameterDirection.InputOutput, recordCount),
SqlParameterHelper.BuildInputParameter("@SelectList",SqlDbType.NVarChar,2000, SIMPLE_THEME_FIELDS),
SqlParameterHelper.BuildInputParameter("@TableSource",SqlDbType.NVarChar,300, GetDataViewName(filter, sort)),
SqlParameterHelper.BuildInputParameter("@SearchCondition",SqlDbType.NVarChar,2000, filter.ToString()),
SqlParameterHelper.BuildInputParameter("@OrderExpression",SqlDbType.NVarChar,1000, GetSortExpression(sort)),
SqlParameterHelper.BuildInputParameter("@PageSize",SqlDbType.Int,4,pageSize),
SqlParameterHelper.BuildInputParameter("@PageIndex",SqlDbType.Int,4,pageIndex)
};
List<SimpleThemeView> themes = new List<SimpleThemeView>();
using (IDataReader dataReader = SqlHelper.ExecuteReader(_connectionProvider.GetReadConnectionString(), CommandType.StoredProcedure, "PR_GetDataByPageIndex", parameters))
{
while (dataReader.Read())
{
themes.Add(BindSimpleThemeView(dataReader));
}
}
recordCount = Convert.ToInt32(parameters[0].Value);
return themes;
}
/// <summary>
/// 获取符何指定过滤器条件的主题列表
/// </summary>
/// <param name="filter">过滤器</param>
/// <param name="sort">排序方式</param>
/// <param name="dispayNumber">提取条数</param>
/// <returns></returns>
protected List<SimpleThemeView> GetSimpleThemes(ThemesFilter filter, ThemeSortOption sort, int dispayNumber)
{
return GetSimpleThemes(GetDataViewName(filter, sort), filter.ToString(), GetSortExpression(sort), dispayNumber);
}
/// <summary>
/// 获取符何指定过滤器条件的主题列表
/// </summary>
/// <param name="filter">过滤器</param>
/// <param name="sort">排序方式</param>
/// <param name="dispayNumber">提取条数</param>
/// <returns></returns>
protected virtual List<FullThemeView> GetFullThemes(ThemesFilter filter, ThemeSortOption sort, int dispayNumber)
{
List<FullThemeView> themes = new List<FullThemeView>();
string sortExpression = GetSortExpression(sort);
string cmdText = string.Format("SELECT top {3} * FROM {0} Where {1} {2}"
, GetDataViewName(filter, sort)
, filter.ToString()
, sortExpression.Length > 0 ? " ORDER BY " + sortExpression : ""
, dispayNumber
);
using (IDataReader reader = SqlHelper.ExecuteReader(_connectionProvider.GetReadConnectionString(), CommandType.Text, cmdText))
{
while (reader.Read())
{
themes.Add(BindFullThemeView(reader));
}
}
return themes;
}
}
/// <summary>
/// 根据多种组合的标签名称获取主题列表
/// </summary>
/// <param name="tags">组合的标签列表</param>
/// <param name="filter">过滤器</param>
/// <param name="sort">排序方式</param>
/// <param name="pageIndex">显示的页码，从1开始计数</param>
/// <param name="pageSize">每页显示的记录数</param>
/// <param name="recordCount">总记录数(ref)</param>
/// <returns></returns>
public List<SimpleThemeView> GetThemesByMultiTags(List<List<string>> tags, ThemesFilter filter, ThemeSortOption sort, int pageIndex, int pageSize, ref int recordCount)
{
if (tags.Count > 0)
{
StringBuilder sbInnerSql = new StringBuilder();
for (int i = 0; i < tags.Count; i++)
{
if (i > 0)
{
sbInnerSql.Append(" INNER JOIN ");
}
sbInnerSql.AppendFormat("(SELECT ThemeId FROM dbo.View_TagTheme WHERE 1=1 {0} GROUP BY ThemeId) T{1}", SqlConditionBuilder.GetMultiQueryValues("TagName", tags[i]), i+1);
if (i > 0)
{
sbInnerSql.AppendFormat(" ON T{0}.ThemeId = T{1}.ThemeId", i, i+1);
}
}
string searchCondition = string.Format("{0} AND ThemeId in (SELECT T1.ThemeId FROM {1})", filter.ToString(), sbInnerSql.ToString());
SqlParameter[] parameters = new SqlParameter[]
{
SqlParameterHelper.BuildParameter("@RecordNum",SqlDbType.Int, 4, ParameterDirection.InputOutput, recordCount),
SqlParameterHelper.BuildInputParameter("@SelectList",SqlDbType.VarChar,2000, SIMPLE_THEME_FIELDS),
SqlParameterHelper.BuildInputParameter("@TableSource",SqlDbType.VarChar,300, "View_Theme"),
SqlParameterHelper.BuildInputParameter("@SearchCondition",SqlDbType.VarChar,2000, searchCondition),
SqlParameterHelper.BuildInputParameter("@OrderExpression",SqlDbType.VarChar,1000, GetSortExpression(sort)),
SqlParameterHelper.BuildInputParameter("@PageSize",SqlDbType.Int,4,pageSize),
SqlParameterHelper.BuildInputParameter("@PageIndex",SqlDbType.Int,4,pageIndex)
};
List<SimpleThemeView> themes = new List<SimpleThemeView>();
using (IDataReader dataReader = SqlHelper.ExecuteReader(_connectionProvider.GetReadConnectionString(), CommandType.StoredProcedure, "PR_GetDataByPageIndex", parameters))
{
while (dataReader.Read())
{
themes.Add(BindSimpleThemeView(dataReader));
}
}
recordCount = Convert.ToInt32(parameters[0].Value);
return themes;
}