示例#1
0
        /// <summary>
        /// Create version table and window based on the parent table \
        /// where Maintain Version field is marked as true
        /// </summary>
        /// <returns> Message (String) </returns>
        public string CreateVersionInfo(int AD_Column_ID, int AD_Table_ID, Trx trx)
        {
            _trx          = trx;
            _AD_Table_ID  = AD_Table_ID;
            _AD_Column_ID = AD_Column_ID;
            bool hasMainVerCol = Util.GetValueOfInt(DB.ExecuteScalar("SELECT AD_Column_ID FROM AD_Column WHERE AD_Table_ID = " + _AD_Table_ID + " AND IsActive ='Y' AND IsMaintainVersions = 'Y'", null, _trx)) > 0;

            if (!hasMainVerCol)
            {
                hasMainVerCol = Util.GetValueOfString(DB.ExecuteScalar("SELECT IsMaintainVersions FROM AD_Table WHERE AD_Table_ID = " + _AD_Table_ID, null, _trx)) == "Y";
            }
            // check whether there are any columns in the table
            // marked as "Maintain Versions", then proceed else return
            if (hasMainVerCol)
            {
                MTable tbl = new MTable(GetCtx(), _AD_Table_ID, _trx);

                string VerTblName = tbl.GetTableName() + "_Ver";

                // Create/Get System Elements for Version Table Columns
                string retMsg = GetSystemElements(VerTblName);
                if (retMsg != "")
                {
                    return(retMsg);
                }

                int Ver_AD_Table_ID = Util.GetValueOfInt(DB.ExecuteScalar("SELECT AD_Table_ID FROM AD_Table WHERE TableName = '" + VerTblName + "'", null, _trx));

                // check whether version table is already present in system
                // if not present then create table
                MTable tblVer = null;
                if (Ver_AD_Table_ID <= 0)
                {
                    string tableName = tbl.GetTableName();
                    // create new Version table for parent table
                    tblVer = new MTable(GetCtx(), 0, _trx);
                    tbl.CopyTo(tblVer);
                    tblVer.SetTableName(tableName + "_Ver");
                    tblVer.SetName(tableName + " Ver");
                    tblVer.Set_Value("Export_ID", null);
                    tblVer.Set_Value("AD_Window_ID", null);
                    tblVer.SetIsDeleteable(true);
                    tblVer.SetDescription("Table for maintaining versions of " + tableName);
                    tblVer.SetHelp("Table for maintaining versions of " + tableName);
                    tblVer.SetIsMaintainVersions(false);
                    //tblVer.SetAD_Window_ID(Ver_AD_Window_ID);
                    if (!tblVer.Save())
                    {
                        ValueNamePair vnp   = VLogger.RetrieveError();
                        string        error = "";
                        if (vnp != null)
                        {
                            error = vnp.GetName();
                            if (error == "" && vnp.GetValue() != null)
                            {
                                error = vnp.GetValue();
                            }
                        }
                        if (error == "")
                        {
                            error = "Error in creating Version Table";
                        }
                        log.Log(Level.SEVERE, "Version table not created :: " + error);
                        _trx.Rollback();
                        return(Msg.GetMsg(GetCtx(), "VersionTblNotCreated"));
                    }
                    else
                    {
                        Ver_AD_Table_ID = tblVer.GetAD_Table_ID();
                        // Create Default Version Columns
                        retMsg = CreateDefaultVerCols(Ver_AD_Table_ID);
                        if (retMsg != "")
                        {
                            return(retMsg);
                        }
                    }
                }
                else
                {
                    tblVer = new MTable(GetCtx(), Ver_AD_Table_ID, _trx);
                    // Create Default Version Columns
                    retMsg = CreateDefaultVerCols(Ver_AD_Table_ID);
                    if (retMsg != "")
                    {
                        return(retMsg);
                    }
                }

                int VerTableColID = 0;
                // if Version table successfully created, then check columns, if not found then create new
                if (Ver_AD_Table_ID > 0)
                {
                    // Get all columns from Version Table
                    int[] ColIDs = MColumn.GetAllIDs("AD_Column", "AD_Table_ID = " + _AD_Table_ID, _trx);

                    bool    hasCols    = false;
                    DataSet dsDestCols = DB.ExecuteDataset("SELECT ColumnName, AD_Column_ID FROM AD_Column WHERE AD_Table_ID = " + Ver_AD_Table_ID, null, _trx);
                    if (dsDestCols != null && dsDestCols.Tables[0].Rows.Count > 0)
                    {
                        hasCols = true;
                    }

                    // loop through all columns
                    foreach (int columnID in ColIDs)
                    {
                        bool createNew = true;
                        // object of Column from source table (Master Table)
                        MColumn sCol = new MColumn(GetCtx(), columnID, _trx);
                        // check if source column is not Virtual Column, proceed in that case only
                        if (!sCol.IsVirtualColumn())
                        {
                            DataRow[] dr = null;
                            if (hasCols)
                            {
                                dr = dsDestCols.Tables[0].Select("ColumnName = '" + sCol.GetColumnName() + "'");
                                if (dr.Length > 0)
                                {
                                    createNew = false;
                                }
                            }
                            // Version Column object
                            MColumn colVer    = null;
                            int     AD_Col_ID = 0;
                            // if column not present in Version table then create new
                            if (createNew)
                            {
                                colVer = new MColumn(GetCtx(), AD_Col_ID, _trx);
                            }
                            // if column already present and user pressed sync button on same column of Master table
                            // then create object of existing column (in case of change in any column fields)
                            else if (!createNew && (_AD_Column_ID == columnID))
                            {
                                AD_Col_ID = Util.GetValueOfInt(dr[0]["AD_Column_ID"]);
                                colVer    = new MColumn(GetCtx(), Util.GetValueOfInt(dr[0]["AD_Column_ID"]), _trx);
                            }
                            if (colVer != null)
                            {
                                sCol.CopyTo(colVer);
                                if (AD_Col_ID > 0)
                                {
                                    colVer.SetAD_Column_ID(AD_Col_ID);
                                }
                                colVer.SetExport_ID(null);
                                colVer.SetAD_Table_ID(Ver_AD_Table_ID);
                                // set key column to false
                                colVer.SetIsKey(false);
                                // check if source column is key column
                                // then set Restrict Constraint and set Reference as Table Direct
                                if (sCol.IsKey())
                                {
                                    colVer.SetConstraintType("R");
                                    colVer.SetAD_Reference_ID(19);
                                }
                                //if (sCol.IsKey())
                                //    colVer.SetIsParent(true);
                                //else
                                colVer.SetIsParent(false);
                                colVer.SetIsMaintainVersions(false);
                                colVer.SetIsMandatory(false);
                                colVer.SetIsMandatoryUI(false);
                                if (!colVer.Save())
                                {
                                    ValueNamePair vnp   = VLogger.RetrieveError();
                                    string        error = "";
                                    if (vnp != null)
                                    {
                                        error = vnp.GetName();
                                        if (error == "" && vnp.GetValue() != null)
                                        {
                                            error = vnp.GetValue();
                                        }
                                    }
                                    if (error == "")
                                    {
                                        error = "Version Column not created";
                                    }
                                    log.Log(Level.SEVERE, "Version Column not created :: " + sCol.GetColumnName() + " :: " + error);
                                    _trx.Rollback();
                                    return(Msg.GetMsg(GetCtx(), "VersionColNotCreated"));
                                }
                                else
                                {
                                    VerTableColID = colVer.GetAD_Column_ID();
                                }
                            }
                        }
                    }

                    // Get one column to sync table in database from Version Table
                    if (VerTableColID <= 0)
                    {
                        VerTableColID = Util.GetValueOfInt(DB.ExecuteScalar("SELECT AD_Column_ID FROM AD_Column WHERE AD_Table_ID = " + Ver_AD_Table_ID, null, _trx));
                    }

                    // Get newly Created Column
                    if (oldVerCol > 0)
                    {
                        VerTableColID = oldVerCol;
                    }

                    // Sync Version table in database
                    bool success = true;
                    retMsg = SyncVersionTable(tblVer, VerTableColID, out success);
                    // if any error and there is message in return then return and rollback transaction
                    if (!success && retMsg != "")
                    {
                        log.Log(Level.SEVERE, "Column not sync :: " + retMsg);
                        _trx.Rollback();
                        return(Msg.GetMsg(GetCtx(), "ColumnNotSync"));
                    }
                    else
                    {
                        // if table has single key
                        if (tbl.IsSingleKey())
                        {
                            // get column names from parent table
                            string colNameStrings = GetColumnNameString(tbl.GetAD_Table_ID());
                            // get default columns string from Version Table columns list
                            string defColString = GetDefaultColString(colNameStrings);
                            // Insert data in version table from Master table
                            InsertVersionData(colNameStrings, defColString, tblVer.GetTableName());
                        }
                        // Cases where single key is not present in Master table
                        else
                        {
                            // Insert data in version table against Master Table
                            retMsg = InsertMKVersionData(tbl, tbl.GetKeyColumns(), tblVer);
                            if (retMsg != "")
                            {
                                log.Log(Level.SEVERE, "Data not Inserted :: " + retMsg);
                                _trx.Rollback();
                                return(Msg.GetMsg(GetCtx(), "DataInsertionErrorMultikey"));
                            }
                        }
                    }
                }
            }
            return(Msg.GetMsg(GetCtx(), "ProcessCompletedSuccessfully"));
        }