v1.25.0.0

- Adding/Removing trigger to store lastupdate timestamp

v1.25.0.0
- Adding/Removing trigger to store lastupdate timestamp
Schwirg László
1 parent cccef077
Showing 3 changed files with 147 additions and 4 deletions Show diff stats
Vrh.Log4Pro.MaintenanceConsole/ConsoleFunction - CommandLineParser.cs
Vrh.Log4Pro.MaintenanceConsole/Manager - SQLDataBaseManager.cs
Vrh.Log4Pro.MaintenanceConsole/Properties/AssemblyInfo.cs
@@ -308,6 +308,8 @@ namespace Vrh.Log4Pro.MaintenanceConsole.CommandLineParserNS
 					public static class ExecuteScript{ public const string KEY = "EXE"; }
 					public static class CreateLoginAndUser{ public const string KEY = "CRU"; }
 					public static class AddUserForLogin{ public const string KEY = "CRA"; }
+					public static class CreateLastUpdatedTrigger{ public const string KEY = "TRA"; }
+					public static class RemoveLastUpdatedTrigger{ public const string KEY = "TRD"; }
 				}
 			}
@@ -53,6 +53,8 @@ namespace Vrh.Log4Pro.MaintenanceConsole.SQLDataBaseManagerNS
 				.AddMenuItem(new Menu.Item(CLP.Module.SQLDataBaseManager.Function.ExecuteScript.KEY, "Execute script", ExecuteScript, ep))
 				.AddMenuItem(new Menu.Item(CLP.Module.SQLDataBaseManager.Function.CreateLoginAndUser.KEY, "Create Server login and database user", CreteLoginAndAddToDB, ep))
 				.AddMenuItem(new Menu.Item(CLP.Module.SQLDataBaseManager.Function.AddUserForLogin.KEY, "Add database user to an existing Login", AddExistingLoginToDB, ep))
+				.AddMenuItem(new Menu.Item(CLP.Module.SQLDataBaseManager.Function.CreateLastUpdatedTrigger.KEY, "Add LastUpdated trigger to a datatable column", CreateLastUpdatedTrigger, ep))
+				.AddMenuItem(new Menu.Item(CLP.Module.SQLDataBaseManager.Function.RemoveLastUpdatedTrigger.KEY, "Add LastUpdated trigger to a datatable column", RemoveLastUpdatedTrigger, ep))
 				.SetSelectionMode(Menu.SelectionMode.Single)
 				.SetMenuHeaderDisplayer(DataBaseListDisplayer);
 			menufunctions.ExecuteMenu(functionkey);
@@ -225,6 +227,144 @@ namespace Vrh.Log4Pro.MaintenanceConsole.SQLDataBaseManagerNS
 		}
 		private static object CreteLoginAndAddToDB(object parameter, object o) { return _CreteLoginAndUser(parameter, o, true); }
 		private static object AddExistingLoginToDB(object parameter, object o) { return _CreteLoginAndUser(parameter, o, false); }
+
+		private static object CreateLastUpdatedTrigger(object parameter, object o) { return _RemoveAndCreateLastUpdatedTrigger(parameter, o, false); }
+		private static object RemoveLastUpdatedTrigger(object parameter, object o) { return _RemoveAndCreateLastUpdatedTrigger(parameter, o, true); }
+		#region script texts for _RemoveAndCreateLastUpdatedTrigger
+		const string Header_Script =
+	@"USE [{DBNAME}]
+
+SET ANSI_NULLS ON
+GO
+
+SET QUOTED_IDENTIFIER ON
+GO
+";
+			const string CreateLastUpdatedColumn_Script = Header_Script +
+	@"ALTER TABLE [{SCHEMA}].[{TABLE}] 
+  ADD [{COLUMN}] DATETIME
+GO
+";
+			const string CreateLastUpdatedTrigger_Script = Header_Script +
+	@"CREATE TRIGGER [{SCHEMA}].[{TRIGGER}]
+    ON [{SCHEMA}].[{TABLE}]
+    AFTER INSERT, UPDATE
+AS
+BEGIN
+    SET NOCOUNT ON;
+
+     UPDATE [{SCHEMA}].[{TABLE}] SET [{COLUMN}] = GETDATE()
+       FROM [{SCHEMA}].[{TABLE}] pper
+           INNER JOIN inserted i
+               ON pper.ID = i.ID;
+END
+GO
+";
+			const string EnableLastUpdatedTrigger_Script = Header_Script +
+	@"ALTER TABLE [{SCHEMA}].[{TABLE}] ENABLE TRIGGER [{TRIGGER}]
+GO
+";
+
+			const string RemoveLastUpdatedColumn_Script = Header_Script +
+	@"ALTER TABLE [{SCHEMA}].[{TABLE}] DROP COLUMN [{COLUMN}]
+GO
+";
+
+			const string RemoveLastUpdatedTrigger_Script =
+	@"USE [{DBNAME}]
+DROP TRIGGER [{SCHEMA}].[{TRIGGER}];
+GO
+";
+		#endregion script texts for _RemoveAndCreateLastUpdatedTrigger
+		private static object _RemoveAndCreateLastUpdatedTrigger(object parameter, object o,bool removeonly)
+        {
+			try 
+			{
+				var config = (parameter as Menu.ExecutorParameter).GetConfig<SQLDataBaseManagerXmlProcessor>();
+				var args = (parameter as Menu.ExecutorParameter).Args;
+				var selectedtaskindexes = CommandLine.GetCommandLineArgument(args, CLP.Module.ScheduledTaskManager.Function.CMD_TASKS);
+				var menufolders = DisplaySQLDataBaseMenu(config, $"Select the SQL database(s) to manage with function '{nameof(CreateLastUpdatedTrigger)}'!", silent: true);
+				Menu.Selection sr = menufolders.Select(selectedtaskindexes);
+				if (sr.Result == Menu.SelectionResult.Exit) { return o; }
+				else if (sr.Result == Menu.SelectionResult.None) { return o; }
+				else if (sr.Result == Menu.SelectionResult.Error) { return o; }
+				else if (sr.Result == Menu.SelectionResult.Ok) { }
+				else { }
+				var p = sr.SelectedParameterList.FirstOrDefault();
+				if (p == null) { return o; }
+				SQLDataBase sqld = p.Parameters as SQLDataBase;
+
+			getparameters:;
+				string action = removeonly ? "REMOVING" : "CREATING";
+				ColorConsole.WriteLine(prefix: $"Enter the parameters for {action} LastUpdated trigger.", bracket: "", text: "", f: ConsoleColor.Yellow);
+				ColorConsole.WriteLine(prefix: $"   Format#1:", bracket: "()", text: "DBNAME,TABLEWITHSCHEMA,COLUMN", f: ConsoleColor.Yellow);
+				ColorConsole.WriteLine(prefix: $"   Format#2:", bracket: "()", text: "TABLEWITHSCHEMA,COLUMN", f: ConsoleColor.Yellow);
+				ColorConsole.WriteLine(prefix: $"   Format#3:", bracket: "()", text: "TABLEWITHSCHEMA", f: ConsoleColor.Yellow);
+				ColorConsole.WriteLine(prefix: "   ", text: "DBNAME", bracket: "", suffix: $": name of the database of the trigger; default is {sqld.DBName} (example:LearALM2)");
+				ColorConsole.WriteLine(prefix: "   ", text: "[SCHEMA.]TABLE", bracket: "", suffix: $": name of the table (with schema) of the trigger; default dbo (example:ALM.ProductionPeriods)");
+				ColorConsole.WriteLine(prefix: "   ", text: "COLUMN", bracket: "", suffix: $": name of the column (will be created) of the trigger; default is LastUpdated (example:LastUpdated)");
+
+				var createtriggerparameters = ColorConsole.ReadLine($"EX=exit.", ConsoleColor.Yellow, suffix: " --> ");
+				if (createtriggerparameters.ToUpper() == "EX") { return o; }
+				if (string.IsNullOrWhiteSpace(createtriggerparameters)) { goto getparameters; }
+				var optionList = createtriggerparameters.Split(new char[] { ',' }, StringSplitOptions.RemoveEmptyEntries);
+
+				string db = "";
+				string tablewithschema = "";
+				string column = "";
+				if (optionList.Length == 1) { tablewithschema = optionList[0]; }
+				else if (optionList.Length == 2) { tablewithschema = optionList[0]; column = optionList[1]; }
+				else if (optionList.Length == 3) { db = optionList[0]; tablewithschema = optionList[1]; column = optionList[2]; }
+				else /*if (optionList.Length > 3)*/ { ColorConsole.WriteLine("ERROR! No more parameters required beside DBNAME,TABLEWITHSCHEMA and COLUMN!", ConsoleColor.Red); goto getparameters; }
+
+				if (string.IsNullOrWhiteSpace(db)) db = sqld.DBName;
+				if (string.IsNullOrWhiteSpace(column)) column = "LastUpdated";
+
+				if (string.IsNullOrWhiteSpace(db)) { ColorConsole.WriteLine("ERROR! DATABASE can not be empty!", ConsoleColor.Red); goto getparameters; }
+				if (string.IsNullOrWhiteSpace(tablewithschema)) { ColorConsole.WriteLine("ERROR! TABLEWITHSCHEMA can not be empty!", ConsoleColor.Red); goto getparameters; }
+				var tablewithschemasplitted = tablewithschema.Split('.');
+				if (tablewithschemasplitted.Length != 1 && tablewithschemasplitted.Length != 2) { ColorConsole.WriteLine("ERROR! TABLEWITHSCHEMA incorrect!", ConsoleColor.Red); goto getparameters; }
+				if (string.IsNullOrWhiteSpace(column)) { ColorConsole.WriteLine("ERROR! COLUMN can not be empty!", ConsoleColor.Red); goto getparameters; }
+
+				string schema = "";
+				string table = tablewithschema;
+				if (tablewithschemasplitted.Length == 2) { schema = tablewithschemasplitted[0]; table = tablewithschemasplitted[1]; }
+				string triggername = $"TRG_LASTUPDATETS_{db}_{schema}_{table}_{column}";
+				string parameters = $"DBNAME={db};SCHEMA={schema};TABLE={table};COLUMN={column};TRIGGER={triggername};";
+				string ssScriptText = null;
+
+				if (!Tools.ResolveArguments(parameters, RemoveLastUpdatedTrigger_Script, out ssScriptText)) { throw new ApplicationException(); }
+				try	{SQLDataBaseManagerCore.ExecuteSQLScript(sqld.SQLCS, ssScriptText, 5000, null);	}
+				catch (Exception e)	{ColorConsole.WriteLine(e.Message, ConsoleColor.Yellow);}
+				if (!Tools.ResolveArguments(parameters, RemoveLastUpdatedColumn_Script, out ssScriptText)) { throw new ApplicationException(); }
+				try	{SQLDataBaseManagerCore.ExecuteSQLScript(sqld.SQLCS, ssScriptText, 5000, null);}
+				catch (Exception e) { ColorConsole.WriteLine(e.Message, ConsoleColor.Yellow); }
+
+				if (!removeonly)
+				{
+					if (!Tools.ResolveArguments(parameters, CreateLastUpdatedColumn_Script, out ssScriptText)) { throw new ApplicationException(); }
+					SQLDataBaseManagerCore.ExecuteSQLScript(sqld.SQLCS, ssScriptText, 5000, null);
+
+					if (!Tools.ResolveArguments(parameters, CreateLastUpdatedTrigger_Script, out ssScriptText)) { throw new ApplicationException(); }
+					SQLDataBaseManagerCore.ExecuteSQLScript(sqld.SQLCS, ssScriptText, 5000, null);
+
+					if (!Tools.ResolveArguments(parameters, EnableLastUpdatedTrigger_Script, out ssScriptText)) { throw new ApplicationException(); }
+					SQLDataBaseManagerCore.ExecuteSQLScript(sqld.SQLCS, ssScriptText, 5000, null);
+				}
+				ColorConsole.WriteLine($"SUCCESS! {action} trigger to store LastUpdate TimeStamp: Database={db},Table={schema}.{table},Column={column}", ConsoleColor.Green);
+				return o;
+			}
+			catch (ApplicationException e)
+			{
+				ColorConsole.WriteLine("FATAL ERROR! in script parameter substitution!", ConsoleColor.Red); 
+				return o;
+			}
+			catch (Exception e)
+			{
+				ColorConsole.WriteLine("FATAL ERROR! "+e.Message, ConsoleColor.Red); 
+				return o;
+			}
+		}
 		private static object _CreteLoginAndUser(object parameter, object o,bool createlogin)
 		{
 			const string COMMA = ",";
@@ -971,7 +1111,7 @@ namespace Vrh.Log4Pro.MaintenanceConsole.SQLDataBaseManagerNS
 			}
 			sqlc.Close();
-			if (DataSet != null && DataSet.Tables != null)
+			try 
 			{
 				var firstreturnedtable = DataSet.Tables[0];
 				var firstreturnedrow = firstreturnedtable.Rows[0];
@@ -981,7 +1121,8 @@ namespace Vrh.Log4Pro.MaintenanceConsole.SQLDataBaseManagerNS
 				var rm = Convert.ToString(secondreturnedvalue);
 				return new ReturnInfoJSON() { ReturnValue = rv, ReturnMessage = rm, };
 			}
-			else { return new ReturnInfoJSON() { ReturnValue = 0, ReturnMessage = null, }; }
+			catch { }
+			return new ReturnInfoJSON() { ReturnValue = 0, ReturnMessage = null, };
 		}
 		/// <summary>
@@ -32,5 +32,5 @@ using System.Runtime.InteropServices;
 // You can specify all the values or you can default the Build and Revision Numbers
 // by using the '*' as shown below:
 // [assembly: AssemblyVersion("1.0.*")]
-[assembly: AssemblyVersion("1.24.0.0")]
-[assembly: AssemblyFileVersion("1.24.0.0")]
+[assembly: AssemblyVersion("1.25.0.0")]
+[assembly: AssemblyFileVersion("1.25.0.0")]