479 lines
13 KiB
C#

/*********************************************************************************************
* Copyright 2004 - Volian Enterprises, Inc. All rights reserved.
* Volian Enterprises - Proprietary Information - DO NOT COPY OR DISTRIBUTE
* ------------------------------------------------------------------------------
* $Workfile: vdb_ROUsage.cs $ $Revision: 6 $
* $Author: Kathy $ $Date: 5/01/06 11:17a $
*
* $History: vdb_ROUsage.cs $
*
* ***************** Version 6 *****************
* User: Kathy Date: 5/01/06 Time: 11:17a
* Updated in $/LibSource/VDB
* Fix B2006-018: single quote in proc number causes problem on data
* request
*
* ***************** Version 5 *****************
* User: Kathy Date: 8/16/05 Time: 2:54p
* Updated in $/LibSource/VDB
* B2005-030: error if missing ndx
*
* ***************** Version 4 *****************
* User: Kathy Date: 4/21/05 Time: 10:19a
* Updated in $/LibSource/VDB
* always write inf file & remove upgrade2005 define
*
* ***************** Version 3 *****************
* User: Kathy Date: 3/08/05 Time: 1:48p
* Updated in $/LibSource/VDB
* Approval
*
* ***************** Version 2 *****************
* User: Jsj Date: 8/23/04 Time: 10:12a
* Updated in $/LibSource/VDB
* Fixed replace of single quote
*
* ***************** Version 1 *****************
* User: Kathy Date: 7/27/04 Time: 8:40a
* Created in $/LibSource/VDB
*********************************************************************************************/
using System;
using System.Data;
using System.Text;
using System.Collections.Specialized;
using System.IO;
using System.Windows.Forms;
using VDB;
using VDB_ConnType;
namespace VDB_ROUsage
{
/// <summary>
/// Open, Create, Delete, Update functions for RO Usage files (tables)
/// </summary>
public class vdb_ROUsage:VDB_Base
{
public enum SortTypes {NotSorted,ProcSort,ROIDsort}; // list of sorting types
public string UsageROndx = "";
public string UsagROIDndx = "";
public vdb_ROUsage(String strPath):base(strPath)
{
// if no table (file name) specified, then default to USAGERO (USAGERO.DBF)
if (DBTable.Equals(""))
DBTable = "USAGERO";
}
// Build a SQL statement. Optionally sort and filter the select statement.
private void BuildSelectCommand(int SortingType,string WhereStr)
{
StringBuilder tmp = new StringBuilder();
tmp.Append("SELECT [NUMBER], [SEQUENCE], [INSTANCE], [ROID] FROM [");
tmp.Append(DBTable);
tmp.Append("]");
if (WhereStr.Length > 0) // Was a WHERE clause passed in?
{
// Add " WHERE " to the beginning if it is not already there
string tmpstr = WhereStr; //.ToUpper();
if (tmpstr[0] != ' ')
{
tmp.Append(" ");
if (!tmpstr.StartsWith("WHERE "))
tmp.Append("WHERE ");
}
else if (!tmpstr.StartsWith(" WHERE "))
tmp.Append(" WHERE");
// add the passed in WHERE clause
tmp.Append(tmpstr);
}
switch (SortingType)
{
case 0: //NotSorted
break;
case 1: // ProcSort - sorted by procedure number
tmp.Append(" GROUP BY [NUMBER],[SEQUENCE],[INSTANCE],[ROID]");
break;
case 2: // ROIDsort - sorted by ROID
tmp.Append(" GROUP BY [ROID],[NUMBER],[SEQUENCE],[INSTANCE]");
break;
}
SelectCmd = tmp.ToString();
}
private void BuildNDXFileNames()
{
UsageROndx = DBTable;
UsagROIDndx = DBTable.Substring(0,4)+"ROID";
}
// Build the SQL command needed to update a row in the USAGERO file
public override string GetRecUpdateStr(DataTable tbl,DataRow row)
{
int j = 0;
bool FirstOne = true;
StringBuilder updateStr = new StringBuilder();
string strNumber = "";
string strSequence = "";
string strInstance = "";
updateStr.Append("UPDATE [");
updateStr.Append(DBTable);
updateStr.Append("] SET");
foreach (DataColumn col in tbl.Columns)
{
bool isString = (col.DataType == Type.GetType("System.String"));
if (col.ColumnName.Equals("NUMBER"))
{
strNumber = row.ItemArray[j].ToString();
strNumber = strNumber.Replace("'","''");
}
else if (col.ColumnName.Equals("SEQUENCE"))
{
strSequence = row.ItemArray[j].ToString();
strSequence = strSequence.Replace("'","''");
}
else if (col.ColumnName.Equals("INSTANCE"))
{
strInstance = row.ItemArray[j].ToString();
strInstance = strInstance.Replace("'","''");
}
if (FirstOne)
{
updateStr.Append(" [");
FirstOne = false;
}
else
updateStr.Append(", [");
updateStr.Append(col.ColumnName);
updateStr.Append("]=");
if (row.ItemArray[j].ToString().Equals(""))
{
updateStr.Append("NULL");
}
else if (isString)
{
String tmpstr = row.ItemArray[j].ToString();
updateStr.Append("'");
tmpstr = tmpstr.Replace("'","''");
updateStr.Append(tmpstr);
updateStr.Append("'");
}
j++;
}
// Add the WHERE clause
updateStr.Append(" WHERE [NUMBER] = '");
updateStr.Append(strNumber.ToString());
updateStr.Append("' AND [SEQUENCE] = '");
updateStr.Append(strSequence.ToString());
updateStr.Append("' AND [INSTANCE] = '");
updateStr.Append(strInstance.ToString());
updateStr.Append("'");
return updateStr.ToString();
}
// Build the SQL command needed to insert a row in the USAGERO file
public override string GetRecInsertStr(DataTable tbl,DataRow row)
{
int j = 0;
StringBuilder insrtStr = new StringBuilder();
StringBuilder valueStr = new StringBuilder();
insrtStr.Append("INSERT INTO [");
insrtStr.Append(DBTable);
insrtStr.Append("] (");
valueStr.Append(" VALUES (");
foreach (DataColumn col in tbl.Columns)
{
bool isString = (col.DataType == Type.GetType("System.String"));
insrtStr.Append("[");
insrtStr.Append(col.ColumnName);
insrtStr.Append("],");
if (row.ItemArray[j].ToString().Equals(""))
{
valueStr.Append("NULL");
}
else if (isString)
{
String tmpstr = row.ItemArray[j].ToString();
tmpstr = tmpstr.Replace("'","''");
valueStr.Append("'");
valueStr.Append(tmpstr);
valueStr.Append("'");
}
else
{
valueStr.Append(row.ItemArray[j].ToString());
}
valueStr.Append(",");
j++;
}
insrtStr = insrtStr.Replace(',',')',insrtStr.Length-1,1);
valueStr = valueStr.Replace(',',')',valueStr.Length-1,1);
insrtStr.Append(valueStr.ToString());
return insrtStr.ToString();
}
// Build the SQL command needed to delete a row in the USAGERO file
public override string RecDeleteStr(DataTable tbl,DataRow row)
{
int j = 0;
string strNumber = "";
string strSequence = "";
string strInstance = "";
StringBuilder deleteStr = new StringBuilder();
deleteStr.Append("DELETE FROM [");
deleteStr.Append(DBTable);
deleteStr.Append("]");
row.RejectChanges();
foreach (DataColumn col in tbl.Columns)
{
if (col.ColumnName.Equals("NUMBER"))
{
strNumber = row.ItemArray[j].ToString();
strNumber = strNumber.Replace("'","''");
}
else if (col.ColumnName.Equals("SEQUENCE"))
{
strSequence = row.ItemArray[j].ToString();
strSequence = strSequence.Replace("'","''");
}
else if (col.ColumnName.Equals("INSTANCE"))
{
strInstance = row.ItemArray[j].ToString();
strInstance = strInstance.Replace("'","''");
}
j++;
}
// Add the WHERE clause
deleteStr.Append(" WHERE [NUMBER] = '");
deleteStr.Append(strNumber.ToString());
deleteStr.Append("' AND [SEQUENCE] = '");
deleteStr.Append(strSequence.ToString());
deleteStr.Append("' AND [INSTANCE] = '");
deleteStr.Append(strInstance.ToString());
deleteStr.Append("'");
return deleteStr.ToString();
}
public override string GetCreateIndx1String()
{
StringBuilder index1Str = new StringBuilder();
index1Str.Append("CREATE INDEX [");
index1Str.Append(UsageROndx);
index1Str.Append("] ON ");
index1Str.Append(DBTable);
index1Str.Append(".DBF ([NUMBER],[SEQUENCE],[INSTANCE])");
return (index1Str.ToString());
}
public override string GetCreateIndx2String()
{
StringBuilder index2Str = new StringBuilder();
index2Str.Append("CREATE INDEX [");
index2Str.Append(UsagROIDndx);
index2Str.Append("] ON ");
index2Str.Append(DBTable);
index2Str.Append(".DBF ([ROID])");
return (index2Str.ToString());
}
public override bool IndexFilesExist()
{
if (UsageROndx==""||UsagROIDndx=="") BuildNDXFileNames();
if(!File.Exists(DBPath+"\\"+UsageROndx+".NDX") || !File.Exists(DBPath+"\\"+UsagROIDndx+".NDX")) return false;
return true;
}
public override void DeleteIndexFiles()
{
if(File.Exists(DBPath+"\\"+UsageROndx+".NDX")) File.Delete(DBPath+"\\"+UsageROndx+".NDX");
if(File.Exists(DBPath+"\\"+UsagROIDndx+".NDX")) File.Delete(DBPath+"\\"+UsagROIDndx+".NDX");
if(File.Exists(DBPath+"\\"+DBTable+".INF")) File.Delete(DBPath+"\\"+DBTable+".INF");
}
public override StringCollection CreateIndexFilesStatements()
{
if (isdBaseFile())
{
StringCollection rtnStrColl = new StringCollection();
string indx1 = GetCreateIndx1String();
rtnStrColl.Add(indx1);
string indx2 = GetCreateIndx2String();
rtnStrColl.Add(indx2);
return rtnStrColl;
}
return null;
}
// Build a list of SQL commands needed to create a new USAGERO table (file)
// and add the first row
public override StringCollection CreateTableStatements(string strTblName)
{
StringCollection rtnStrColl = new StringCollection();
StringBuilder createStr = new StringBuilder();
//StringBuilder index1Str = new StringBuilder();
//StringBuilder index2Str = new StringBuilder();
if (strTblName.Length > 0) // was a table name passd in?
{
DBTable = strTblName;
}
if (DBTable.Equals(""))
{
MessageBox.Show("Trying to Create a new Table without a Name","Create Table Error");
return rtnStrColl;
}
// Build the command that creates a new SET table (file)
createStr.Append("CREATE TABLE [");
createStr.Append(DBTable);
createStr.Append("] ");
createStr.Append("([NUMBER] Char(20), [SEQUENCE] Char(12), ");
createStr.Append("[INSTANCE] Char(1), [ROID] Char(16))");
rtnStrColl.Add(createStr.ToString()); // add create table
if (isdBaseFile())
{
// build the ndx file names (w/o extensions)
// BuildNDXFileNames();
// Build the command that creates the first index file
rtnStrColl.Add(GetCreateIndx1String()); // add create 1st index
// Build the commmand that creates the second index file
string tmp = DBTable;
rtnStrColl.Add(GetCreateIndx2String()); // add create 2nd index
}
return rtnStrColl;
}
// After the table is created, create the associated INF file
public override int PostCreateTableFunction()
{
CreateINF(); // should already be created
return 0;
}
// This is called in the class constructor and
// if the table name is assigned to the DBTable property
public override int CreateINF()
{
// if we are using dBase files, create an INF file containing
// a list of the associated NDX files.
if (isdBaseFile())
{
StreamWriter infFile;
string infFileStr;
StringBuilder tmp = new StringBuilder();
// build the ndx file names (w/o extensions)
BuildNDXFileNames();
//build INF file name
tmp.Append(DBPath);
tmp.Append("\\");
tmp.Append(DBTable);
tmp.Append(".INF");
infFileStr = tmp.ToString();
// if the INF file does not already exist create it
//if (!File.Exists(infFileStr))
//{
// always recreate it. Some plants' data had invalid files
// and it was felt that it would be quicker to recreate always
// rather than
infFile = new StreamWriter(infFileStr,false);
infFile.Write("NDX1=");
infFile.Write(UsageROndx); // USAGERO.NDX
infFile.Write(".NDX\r\n");
infFile.Write("NDX2=");
infFile.Write(UsagROIDndx); //USAGROID.NDX
infFile.Write(".NDX\r\n");
infFile.Close();
//}
}
return 0;
}
// return a list of SQL commands that will drop (delete) a database table (file)
public override StringCollection DeleteTableStatements(string strTblName)
{
StringCollection rtnStrColl = new StringCollection();
StringBuilder DropTableStr = new StringBuilder();
DropTableStr.Append("Drop Table [");
DropTableStr.Append(DBTable);
DropTableStr.Append("]");
rtnStrColl.Add(DropTableStr.ToString());
return rtnStrColl;
}
// return a dataset of RO Usage records, not sorted
public System.Data.DataSet GetNotSorted(string WhereStr)
{
BuildSelectCommand((int)SortTypes.NotSorted,WhereStr);
return DB_Data;
}
// return a dataset of RO Usage records, sorted by the [NUMBER] field
public System.Data.DataSet GetSortedByProc(string WhereStr)
{
BuildSelectCommand((int)SortTypes.ProcSort,WhereStr);
return DB_Data;
}
// return a dataset of RO Usage records, sorted by the [ROID] field
public System.Data.DataSet GetSortedByROID(string WhereStr)
{
BuildSelectCommand((int)SortTypes.ROIDsort,WhereStr);
return DB_Data;
}
public void UpdateProcNumber(string oldnum, string newnum)
{
// Change fromnumber first, then tonumber
StringBuilder updateStr = new StringBuilder();
updateStr.Append("UPDATE [");
updateStr.Append(DBTable);
updateStr.Append("] SET [NUMBER] = '");
updateStr.Append(newnum.Replace("'","''"));
updateStr.Append("' WHERE [NUMBER] = '");
updateStr.Append(oldnum.Replace("'","''"));
updateStr.Append("'");
ProcessACommand(updateStr.ToString());
}
}
}