101 lines
4.3 KiB
C#
101 lines
4.3 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Data.SqlClient;
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using Tanshu.Accounts.Contracts;
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using Tanshu.Data.DAO;
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namespace Tanshu.Accounts.SqlDAO
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{
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public class WaiterDAO : BaseDAO
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{
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public WaiterDAO(IConnectionDAO connection)
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: base(connection)
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{ }
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public bool Insert(WaiterBO waiter)
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{
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using (SqlCommand cmd = new SqlCommand(@"
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SELECT @WaiterID = NEWID(), @Code = ISNULL(MAX(Code), 0) + 1 FROM Waiters;
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INSERT INTO Waiters (WaiterID, Code, Name) VALUES (@WaiterID, @Code, @Name);
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SELECT @timestamp = timestamp FROM Waiters WHERE WaiterID = @WaiterID;
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"))
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{
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cmd.Parameters.Add("@WaiterID", System.Data.SqlDbType.UniqueIdentifier);
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cmd.Parameters["@WaiterID"].Direction = System.Data.ParameterDirection.Output;
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cmd.Parameters.Add("@Code", System.Data.SqlDbType.Int);
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cmd.Parameters["@Code"].Direction = System.Data.ParameterDirection.Output;
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cmd.Parameters.AddWithValue("@Name", waiter.Name);
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cmd.Parameters.Add("@timestamp", System.Data.SqlDbType.Timestamp);
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cmd.Parameters["@timestamp"].Direction = System.Data.ParameterDirection.Output;
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connection.ExecuteNonQuery(cmd);
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waiter.WaiterID = (Guid)cmd.Parameters["@WaiterID"].Value;
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waiter.Code = (int)cmd.Parameters["@Code"].Value;
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waiter.timestamp = (byte[])cmd.Parameters["@timestamp"].Value;
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return true;
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}
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}
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public bool Update(WaiterBO waiter)
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{
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using (SqlCommand cmd = new SqlCommand(@"
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UPDATE Waiters SET Name = @Name, Code = @Code WHERE WaiterID = @WaiterID;
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SELECT @timestamp = timestamp FROM Waiters WHERE WaiterID = @WaiterID;
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"))
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{
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cmd.Parameters.AddWithValue("@WaiterID", waiter.WaiterID);
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cmd.Parameters.AddWithValue("@Code", waiter.Code);
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cmd.Parameters.AddWithValue("@Name", waiter.Name);
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cmd.Parameters.Add("@timestamp", System.Data.SqlDbType.Timestamp);
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cmd.Parameters["@timestamp"].Direction = System.Data.ParameterDirection.Output;
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connection.ExecuteNonQuery(cmd);
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waiter.timestamp = (byte[])cmd.Parameters["@timestamp"].Value;
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return true;
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}
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}
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public bool Delete(Guid waiterID)
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{
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bool result;
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using (SqlCommand cmd = new SqlCommand("SELECT Count(*) FROM SaleVoucher WHERE WaiterID = @WaiterID"))
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{
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cmd.Parameters.AddWithValue("@WaiterID", waiterID);
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result = 0 == (int)connection.ExecuteScalar(cmd);
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}
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if (result == false)
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return false;
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using (SqlCommand cmd = new SqlCommand("DELETE FROM Waiters WHERE WaiterID = @WaiterID"))
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{
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cmd.Parameters.AddWithValue("@WaiterID", waiterID);
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connection.ExecuteNonQuery(cmd);
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return true;
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}
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}
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public WaiterBO GetWaiter(Guid waiterID)
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{
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SqlCommand cmd = new SqlCommand("SELECT * FROM Waiters WHERE WaiterID = @WaiterID");
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cmd.Parameters.AddWithValue("@WaiterID", waiterID);
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return BusinessObjectDAO<WaiterBO>.GetBusinessObject(connection.ExecuteReader(cmd));
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}
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public WaiterBO GetWaiter(int code)
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{
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SqlCommand cmd = new SqlCommand("SELECT * FROM Waiters WHERE Code = @Code");
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cmd.Parameters.AddWithValue("@Code", code);
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return BusinessObjectDAO<WaiterBO>.GetBusinessObject(connection.ExecuteReader(cmd));
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}
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public List<WaiterBO> GetWaiters()
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{
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return BusinessObjectDAO<WaiterBO>.GetBusinessObjects(connection.ExecuteReader("SELECT * FROM Waiters ORDER BY Name"));
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}
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public List<WaiterBO> GetFilteredWaiters(Dictionary<string, string> filter)
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{
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string name = string.Format("%{0}%", filter["Name"].Trim());
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using (SqlCommand cmd = new SqlCommand("SELECT * FROM Waiters WHERE Name LIKE @Name ORDER BY Name"))
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{
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cmd.Parameters.AddWithValue("@Name", name);
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return BusinessObjectDAO<WaiterBO>.GetBusinessObjects(connection.ExecuteReader(cmd));
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}
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}
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}
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}
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