public static async Task <long> CountAsync <TEntity>(this IDbConnection db, PageListRequest <TEntity> listRequest, IDbTransaction dbTransaction = null, int?commandTimeout = null)
{
long taskResult = await Task <long> .Run(() =>
{
return(db.Count <TEntity>(listRequest, dbTransaction, commandTimeout));
});
return(taskResult);
}
public static PagedList <TEntity> GetPagedList <TEntity>
(this IDbConnection db, PageListRequest <TEntity> listRequest, IDbTransaction dbTransaction = null, int?commandTimeout = null)
where TEntity : class
{
var pagedList = new PagedList <TEntity>();
if (listRequest.FetchCount < 1)
{
return(pagedList);
}
var type = typeof(TEntity);
string tableName = Cache.GetTableName(type);
var builder = new StringBuilder();
var parameters = new DynamicParameters();
builder.AppendFormat("Select * From {0} ", tableName);
if (listRequest.WithNolock)
{
builder.Append(" with(nolock) ");
}
pagedList.Total = db.ExecuteScalar <int>(sql: builder.ToString().Replace("*", "Count(1)"), transaction: dbTransaction, commandTimeout: commandTimeout);
if (pagedList.Total < 1 || pagedList.Total < listRequest.OffsetCount)
{
return(pagedList);
}
string orders = string.Join(",", listRequest.Orders);
orders = SqlSanatizer.Sanatize(orders);
ApplyFilters(listRequest.GetFilters(), builder, parameters);
pagedList.TotalFiltered = db.ExecuteScalar <int>(sql: builder.ToString().Replace("*", "Count(1)"), param: parameters, transaction: dbTransaction, commandTimeout: commandTimeout);
if (pagedList.TotalFiltered < 1 || pagedList.TotalFiltered < listRequest.OffsetCount)
{
return(pagedList);
}
builder.AppendFormat(" Order by {0} {1} Offset (@OFFSET) ROWS Fetch Next (@FETCH) Rows Only", orders, listRequest.OrderDirection.ToString());
parameters.Add("@OFFSET", listRequest.OffsetCount);
parameters.Add("@FETCH", listRequest.FetchCount);
var entities = db.Query <TEntity>(sql: builder.ToString(), parameters, dbTransaction, commandTimeout: commandTimeout);
pagedList.Data = entities.ToList();
return(pagedList);
}
public static async Task <PagedList <TEntity> > GetPagedListAsync <TEntity>
(this IDbConnection db, PageListRequest <TEntity> listRequest, IDbTransaction dbTransaction = null, int?commandTimeout = null)
where TEntity : class
{
var taskResult = await Task <PagedList <TEntity> > .Run(() =>
{
return(db.GetPagedList <TEntity>(listRequest, dbTransaction, commandTimeout));
});
return(taskResult);
}
public static long Count <TEntity>
(this IDbConnection db, PageListRequest <TEntity> listRequest, IDbTransaction dbTransaction = null, int?commandTimeout = null)
{
long count = 0;
var type = typeof(TEntity);
string tableName = Cache.GetTableName(type);
var builder = new StringBuilder();
var parameters = new DynamicParameters();
builder.AppendFormat("Select Count(1) From {0} ", tableName);
if (listRequest.WithNolock)
{
builder.Append(" with(nolock) ");
}
ApplyFilters(listRequest.GetFilters(), builder, parameters);
count = db.ExecuteScalar <long>(sql: builder.ToString(), param: parameters, transaction: dbTransaction, commandTimeout: commandTimeout);
return(count);
}
