/// <summary>
/// Maps all munitions by row -- called in ViewMunitions()
/// </summary>
/// <param name="dataRow"></param>
/// <returns></returns>
public MunitionsDO MapAllMunitions(DataRow dataRow)
{
//Instantiating new MunitionsDO
MunitionsDO munitions = new MunitionsDO();
try
{
//Checking to make sure row exists and is not null
if (dataRow.Table.Columns.Contains("TopicID") && dataRow["TopicID"] != DBNull.Value)
{
munitions.TopicID = (Int64)dataRow["TopicID"];
}
munitions.MunitionID = (Int64)dataRow["MunitionID"];
munitions.Munition = dataRow["Munition"].ToString();
munitions.Description = dataRow["Description"].ToString();
}
catch (Exception ex)
{
//Error logging
MunitionsErrorHandler("error", "MunitionsDAO", "MapAllMunitions", ex.Message, ex.StackTrace);
throw ex;
}
//returning munitions
return(munitions);
}
/// <summary>
/// Updates munition -- called in Controller Post Update()
/// </summary>
/// <param name="munitions"></param>
public void UpdateMunitions(MunitionsDO munitions)
{
try
{
//Instantiating SqlConnection
using (SqlConnection conn = new SqlConnection(connectionString))
{
//Creating a SqlCommand to use a stored procedure
SqlCommand cmd = new SqlCommand("UPDATE_MUNITION", conn);
cmd.CommandType = CommandType.StoredProcedure;
cmd.Parameters.AddWithValue("@MunitionID", munitions.MunitionID);
cmd.Parameters.AddWithValue("@Munition", munitions.Munition);
cmd.Parameters.AddWithValue("@Description", munitions.Description);
//Open connection and execute nonquery
conn.Open();
cmd.ExecuteNonQuery();
}
}
catch (SqlException ex)
{
//Error logging
MunitionsErrorHandler("error", "MunitionsDAO", "UpdateMunitions", ex.Message, ex.StackTrace);
throw ex;
}
}
public ActionResult Update(MunitionsPO form)
{
//Redirection to Index page for Munitions
ActionResult oResponse = RedirectToAction("Index", "Munitions", new { form.TopicID });
//Checking for valid modelstate
if (ModelState.IsValid)
{
try
{
//Mapping form objects from PO to DO
MunitionsDO dataObject = MunitionsMapper.MapPOtoDO(form);
//Passing objects to UpdateMunitions()
dataAccess.UpdateMunitions(dataObject);
TempData["Message"] = $"Successfully updated {form.Munition}";
}
catch (Exception ex)
{
//Error message
oResponse = View(form);
TempData["ErrorMessage"] = "Update was unsuccessful";
}
}
//ModelState not valid
else
{
//User filled form out incorrectly
oResponse = View(form);
}
//Return redirect ActionResult
return(oResponse);
}
//Mapping one Munition from DO to PO
public static MunitionsPO MapDOtoPO(MunitionsDO from)
{
MunitionsPO to = new MunitionsPO();
to.MunitionID = from.MunitionID;
to.Munition = from.Munition;
to.Description = from.Description;
to.TopicID = from.TopicID;
//Returning Munition
return(to);
}
//Mapping list of Munitions from PO to DO
public static List <MunitionsDO> MapPOtoDO(List <MunitionsPO> from)
{
List <MunitionsDO> to = new List <MunitionsDO>();
if (from != null)
{
foreach (MunitionsPO munition in from)
{
//Changing a PO munition to a DO munition
MunitionsDO mappedMunition = MapPOtoDO(munition);
//Adding DO munition to a list of DO munitions
to.Add(mappedMunition);
}
}
//Returning list of Munitions
return(to);
}
/// <summary>
/// View Munitions by TopicID -- called in Controller Index()
/// </summary>
/// <param name="topicID"></param>
/// <returns></returns>
public List <MunitionsDO> ViewMunitions(Int64 topicID)
{
//Intantiating new list to return munitions
List <MunitionsDO> munitions = new List <MunitionsDO>();
try
{
//Instantiating SqlConnection
using (SqlConnection conn = new SqlConnection(connectionString))
{
//Creating a SqlCommand to use a stored procedure.
SqlCommand cmd = new SqlCommand("DISPLAY_MUNITIONS_BY_TOPIC", conn);
cmd.CommandType = CommandType.StoredProcedure;
cmd.Parameters.AddWithValue("@TopicID", topicID);
conn.Open();
//Using SqlDataAdapter to get SQL table.
DataTable munitionInfo = new DataTable();
using (SqlDataAdapter munitionAdapter = new SqlDataAdapter(cmd))
{
munitionAdapter.Fill(munitionInfo);
munitionAdapter.Dispose();
}
//Putting datarow into a list.
foreach (DataRow row in munitionInfo.Rows)
{
MunitionsDO mappedMunitions = MapAllMunitions(row);
munitions.Add(mappedMunitions);
}
}
}
catch (Exception ex)
{
//Error logging
MunitionsErrorHandler("error", "MunitionsDAO", "ViewMunitions", ex.Message, ex.StackTrace);
throw ex;
}
//Returning list of munitions
return(munitions);
}
/// <summary>
/// Viewing munitions by their ID -- called in Controller Get Update()
/// </summary>
/// <param name="munitionID"></param>
/// <returns></returns>
public MunitionsDO ViewMunitionsByID(Int64 munitionID)
{
//Instantiating munitionsDO
MunitionsDO munitions = new MunitionsDO();
try
{
//Instantiating SqlConnection
using (SqlConnection conn = new SqlConnection(connectionString))
{
//Creating a new SqlCommand to use a stored procedure.
SqlCommand cmd = new SqlCommand("DISPLAY_MUNITIONS_BY_ID", conn);
cmd.CommandType = CommandType.StoredProcedure;
cmd.Parameters.AddWithValue("@MunitionID", munitionID);
conn.Open();
//Using SqlDataAdapter to get SQL table.
DataTable munitionInfo = new DataTable();
using (SqlDataAdapter munitionAdapter = new SqlDataAdapter(cmd))
{
munitionAdapter.Fill(munitionInfo);
munitionAdapter.Dispose();
}
//Mapping row to munitions
foreach (DataRow row in munitionInfo.Rows)
{
munitions = MapAllMunitions(row);
}
}
}
catch (Exception ex)
{
//Error Logging
MunitionsErrorHandler("error", "MunitionsDAO", "ViewMunitionsByID", ex.Message, ex.StackTrace);
throw ex;
}
//returning munition's info by munitionID
return(munitions);
}
public ActionResult Update(Int64 topicID, Int64 munitionID)
{
//Viewing munition with specific munitionID selected
ActionResult oResponse = View(munitionID);
try
{
//Getting munition by ID from data layer and mapping to presentation layer
MunitionsDO munitions = dataAccess.ViewMunitionsByID(munitionID);
MunitionsPO displayObject = MunitionsMapper.MapDOtoPO(munitions);
//Setting topic ID to current topic
displayObject.TopicID = topicID;
oResponse = View(displayObject);
}
catch (Exception ex)
{
//Error message
TempData["Message"] = "Munition could not be updated at this time.";
}
//Return ActionResult
return(oResponse);
}
