Add project files.

Maser.Feanor.Biz/Chambers.cs

@@ -0,0 +1,228 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+using System.Collections.ObjectModel;
+using Maser.Feanor.Model;
+using System.Data.SqlClient;
+using System.Drawing;
+
+
+
+/*
+Table Chambers in DB should has fields:
+    int             PK
+    int             MIDS
+    varchar(255)    Description
+    varchar(15)     Network
+    bit             Active
+*/
+
+
+namespace Maser.Feanor.Biz
+{
+
+    public class Chambers
+    {
+        public Chamber GetByPK(Int32 PK)
+        {
+            string query = String.Format("Select * from Chambers where PK = {0}", PK);
+            try
+            {
+                return GetByQuery(query);
+            }
+            catch (Exception e)
+            {
+                throw e;
+            }
+        }
+
+        public Chamber GetByMIDS(Int32 MIDS)
+        {
+            string query = String.Format("Select * from Chambers where MIDS = {0}", MIDS);
+            try
+            {
+                return GetByQuery(query);
+            }
+            catch (Exception e)
+            {
+                throw e;
+            }
+        }
+
+        public List<Chamber> GetAllActive()
+        {
+            string query = "Select * from Chambers where Active = 1 ORDER by MIDS ASC";
+            try
+            {
+                return GetListByQuery(query);
+            }
+            catch (Exception e)
+            {
+                throw e;
+            }
+        }
+
+        public List<Chamber> GetAll()
+        {
+            string query = "Select * from Chambers ORDER by MIDS ASC";
+            try
+            {
+                return GetListByQuery(query);
+            }
+            catch (Exception e)
+            {
+                throw e;
+            }
+        }
+
+        public Boolean Delete(Chamber chamber)
+        {
+            try
+            {
+                chamber.Active = false;
+                return Modify(chamber);
+            }
+            catch (Exception e)
+            {
+                throw e;
+            }
+        }
+
+        public bool Exists(Chamber chamber)
+        {
+            try
+            {
+                return (GetByPK(chamber.PK) != null);
+            }
+            catch (Exception e)
+            {
+                throw e;
+            }
+        }
+
+        
+        public bool Modify(Chamber chamber)
+        {
+            string query = String.Format("UPDATE Chambers SET MIDS='{0}', Description='{1}', Interval='{2}', Network='{3}', ServerType='{4}', Active='{5}', RS485='{6}', HumidityChamber='{7}' WHERE PK={8};", chamber.MIDS, chamber.Description,chamber.Interval, chamber.Network, (int)chamber.ServerType, chamber.Active,chamber.RS485, chamber.Humidity, chamber.PK);
+
+            try
+            {
+                SqlConnection myConnection = new SqlConnection(Properties.Settings.Default.FeanorConnStr);
+                myConnection.Open();
+                SqlCommand myCommand = new SqlCommand(query, myConnection);
+                myCommand.ExecuteNonQuery();
+                return true;
+            }
+            catch (Exception e)
+            {
+                throw e;
+            }
+        }
+
+
+        public Int32 Add(Chamber chamber)
+        {
+            string query = String.Format("INSERT INTO Chambers (MIDS, Description, Interval, Network, ServerType, Active, RS485, HumidityChamber) VALUES ('{0}', '{1}', '{2}', '{3}', '{4}', '{5}', '{6}', '{7}');", chamber.MIDS, chamber.Description, chamber.Interval, chamber.Network, (int)chamber.ServerType, chamber.Active, chamber.RS485, chamber.Humidity);
+            query += "SELECT SCOPE_IDENTITY();";
+
+            try
+            {
+                SqlConnection myConnection = new SqlConnection(Properties.Settings.Default.FeanorConnStr);
+                myConnection.Open();
+                SqlCommand myCommand = new SqlCommand(query, myConnection);
+                return Int32.Parse(myCommand.ExecuteScalar().ToString());
+            }
+            catch (Exception e)
+            {
+                throw e;
+            }
+        }
+
+
+
+        private Chamber GetByQuery(string query)
+        {
+            Chamber result = null;
+            SqlConnection myConnection = new SqlConnection(Properties.Settings.Default.FeanorConnStr);
+            SqlDataReader myReader = null;
+            try
+            {
+                myConnection.Open();
+
+                SqlCommand myCommand = new SqlCommand(query, myConnection);
+                myReader = myCommand.ExecuteReader();
+                if (myReader.HasRows)
+                {
+                    myReader.Read();
+                    result = new Chamber(myReader.GetInt32(0), myReader.GetInt32(1), myReader.GetString(2), myReader.GetInt32(3), myReader.GetString(4), (ServerType)myReader.GetInt32(5), myReader.GetBoolean(6), myReader.GetBoolean(7), myReader.GetBoolean(8));
+                }
+            }
+            catch (Exception e)
+            {
+                throw e;
+            }
+            finally
+            {
+                myReader.Close();
+                myConnection.Close();
+                /* 
+                https://msdn.microsoft.com/en-us/library/haa3afyz(v=vs.110).aspx
+                Do not call Close or Dispose on a Connection, a DataReader, or any other managed object in the Finalize method of your class. 
+                In a finalizer, only release unmanaged resources that your class owns directly. 
+                If your class does not own any unmanaged resources, do not include a Finalize method in your class definition. 
+                For more information, see Garbage Collection.
+                */
+            }
+            return result;
+        }
+
+        private List<Chamber> GetListByQuery(string query)
+        {
+            List<Chamber> result = new List<Chamber>();
+            SqlConnection myConnection = new SqlConnection(Properties.Settings.Default.FeanorConnStr);
+
+            SqlDataReader myReader = null;
+            try
+            {
+                myConnection.Open();
+
+                SqlCommand myCommand = new SqlCommand(query, myConnection);
+                myReader = myCommand.ExecuteReader();
+                if (myReader.HasRows)
+                {
+                    while (myReader.Read())
+                    {
+                        result.Add(new Chamber(myReader.GetInt32(0), myReader.GetInt32(1), myReader.GetString(2), myReader.GetInt32(3), myReader.GetString(4), (ServerType)myReader.GetInt32(5), myReader.GetBoolean(6), myReader.GetBoolean(7), myReader.GetBoolean(8)));
+                    }
+                }
+                myReader.Close();
+            }
+            catch (Exception e)
+            {
+                throw e;
+            }
+            finally
+            {
+               // myReader.Close();
+                /* 
+                https://msdn.microsoft.com/en-us/library/haa3afyz(v=vs.110).aspx
+                Do not call Close or Dispose on a Connection, a DataReader, or any other managed object in the Finalize method of your class. 
+                In a finalizer, only release unmanaged resources that your class owns directly. 
+                If your class does not own any unmanaged resources, do not include a Finalize method in your class definition. 
+                For more information, see Garbage Collection.
+                */
+            }
+            return result;
+        }
+
+
+
+
+
+    }
+
+
+}