public PageResultSet ListPages(PageSearchOptions options)
{
using (TransactionScope scope = new TransactionScope(TransactionScopeOption.Suppress))
{
using (SqlConnection conn = new SqlConnection(DatabaseManager.DatabaseEngine.ConnectionString))
{
conn.Open();
SqlCommand cmd = new SqlCommand(ReplacePageSortOrder("ListPages", options.PageOrder), conn);
cmd.CommandType = CommandType.StoredProcedure;
cmd.Parameters.Add(NewParameter("@Hidden", options.Hidden, DbType.Boolean));
cmd.Parameters.Add(NewParameter("@Deleted", options.Deleted, DbType.Boolean));
cmd.Parameters.Add(NewParameter("@Draft", options.Draft, DbType.Boolean));
cmd.Parameters.Add(NewParameter("@Offset", Math.Max((options.PageNumber - 1) * options.PageSize, 0), DbType.Int64));
cmd.Parameters.Add(NewParameter("@PageSize", options.PageSize <= 0 ? -1 : options.PageSize, DbType.Int64));
cmd.Parameters.Add(NewParameter("@CategorySetName", options.CategorySetName, DbType.String));
cmd.Parameters.Add(NewParameter("@CategoryName", options.CategoryName, DbType.String));
using (SqlDataReader reader = cmd.ExecuteReader(CommandBehavior.CloseConnection))
{
reader.Read();
long totalResults = Convert.ToInt64(reader[0]);
reader.NextResult();
List <Page> list = new List <Page>();
while (reader.Read())
{
list.Add(new Page(reader));
}
reader.Close();
return(new PageResultSet(list, totalResults, options.PageSize, options.PageNumber, options.PageOrder));
}
}
}
}
public object Evaluate(Token contextToken, List<ExpressionArgument> args, ExecutionState state)
{
string catset = (args[0].Expression.Evaluate(state, args[0].Token) ?? "").ToString();
string catname = (args[1].Expression.Evaluate(state, args[1].Token) ?? "").ToString();
int pageSize = Convert.ToInt32(TokenParser.VerifyUnderlyingType(args[2].Expression.Evaluate(state, args[2].Token)) ?? 0);
int pageNumber = Convert.ToInt32(TokenParser.VerifyUnderlyingType(args[3].Expression.Evaluate(state, args[3].Token)) ?? 0);
string sort = (args[4].Expression.Evaluate(state, args[4].Token) ?? "").ToString();
PageResultSetOrder pageOrder;
switch (sort)
{
case "random": pageOrder = PageResultSetOrder.Random; break;
case "publishdate ascending": pageOrder = PageResultSetOrder.PublishDateAscending; break;
default: pageOrder = PageResultSetOrder.PublishDateDescending; break;
}
PageSearchOptions options = new PageSearchOptions();
options.Draft = false;
options.Deleted = false;
options.Hidden = false;
options.PageSize = pageSize;
options.PageNumber = pageNumber;
options.PageOrder = pageOrder;
options.SetCategory(catset, catname);
PageResultSet pages = ContentManager.Instance.DataProvider.ListPages(options);
pages.LoadContentForPages();
return pages;
}
/// <summary>
/// 分页查询
/// </summary>
/// <typeparam name="T">查询类型</typeparam>
/// <param name="options">分页查询条件</param>
/// <returns>返回PageView<T></returns>
public static PageView <T> GetPageList <T>(PageSearchOptions options)
{
const string pageProcedureName = "Proc_GetPageData";
//构造参数，存储过程固定
var p = new DynamicParameters();
p.Add("TableName", options.TableName);
p.Add("PrimaryKey", options.PrimaryKey);
p.Add("Fields", options.Fields);
p.Add("Condition", options.Condition);
p.Add("CurrentPage", options.PageIndex);
p.Add("PageSize", options.PageSize);
p.Add("Sort", options.Sort);
p.Add("RecordCount", dbType: DbType.Int32, direction: ParameterDirection.Output);
var pageData = new PageView <T>(options.PageIndex, options.PageSize);
if (HasDangerousContents(options.Condition))
{
return(pageData);
}
pageData.List = DBHelper.Query <T>(pageProcedureName, p, CommandType.StoredProcedure);
pageData.TotalCount = p.Get <int>("RecordCount");
return(pageData);
}
public object Evaluate(Token contextToken, List <ExpressionArgument> args, ExecutionState state)
{
string catset = (args[0].Expression.Evaluate(state, args[0].Token) ?? "").ToString();
string catname = (args[1].Expression.Evaluate(state, args[1].Token) ?? "").ToString();
int pageSize = Convert.ToInt32(TokenParser.VerifyUnderlyingType(args[2].Expression.Evaluate(state, args[2].Token)) ?? 0);
int pageNumber = Convert.ToInt32(TokenParser.VerifyUnderlyingType(args[3].Expression.Evaluate(state, args[3].Token)) ?? 0);
string sort = (args[4].Expression.Evaluate(state, args[4].Token) ?? "").ToString();
PageResultSetOrder pageOrder;
switch (sort)
{
case "random": pageOrder = PageResultSetOrder.Random; break;
case "publishdate ascending": pageOrder = PageResultSetOrder.PublishDateAscending; break;
default: pageOrder = PageResultSetOrder.PublishDateDescending; break;
}
PageSearchOptions options = new PageSearchOptions();
options.Draft = false;
options.Deleted = false;
options.Hidden = false;
options.PageSize = pageSize;
options.PageNumber = pageNumber;
options.PageOrder = pageOrder;
options.SetCategory(catset, catname);
PageResultSet pages = ContentManager.Instance.DataProvider.ListPages(options);
pages.LoadContentForPages();
return(pages);
}
public PageResultSet ListPages(PageSearchOptions options)
{
using (TransactionScope scope = new TransactionScope(TransactionScopeOption.Suppress))
{
using (SQLiteConnection conn = new SQLiteConnection(DatabaseManager.DatabaseEngine.ConnectionString))
{
conn.Open();
SQLiteCommand cmd = new SQLiteCommand(ReplacePageSortOrder(Procedures["List Pages"], options.PageOrder), conn);
cmd.Parameters.Add(NewParameter("@Hidden", options.Hidden, DbType.Boolean));
cmd.Parameters.Add(NewParameter("@Deleted", options.Deleted, DbType.Boolean));
cmd.Parameters.Add(NewParameter("@Draft", options.Draft, DbType.Boolean));
cmd.Parameters.Add(NewParameter("@Offset", Math.Max((options.PageNumber - 1) * options.PageSize, 0), DbType.Int64));
cmd.Parameters.Add(NewParameter("@PageSize", options.PageSize <= 0 ? -1 : options.PageSize, DbType.Int64));
cmd.Parameters.Add(NewParameter("@CategorySetName", options.CategorySetName, DbType.String));
cmd.Parameters.Add(NewParameter("@CategoryName", options.CategoryName, DbType.String));
using (SQLiteDataReader reader = cmd.ExecuteReader(CommandBehavior.CloseConnection))
{
reader.Read();
long totalResults = Convert.ToInt64(reader[0]);
reader.NextResult();
List<Page> list = new List<Page>();
while (reader.Read())
list.Add(new Page(reader));
reader.Close();
return new PageResultSet(list, totalResults, options.PageSize, options.PageNumber, options.PageOrder);
}
}
}
}