/****************************************************************************** // Canary Islands Computer Museum Website // ---------------------------------------------------------------------------- // // Filename : OwnConsole.cs // Author(s) : Natalia Portillo // // --[ Description ] ---------------------------------------------------------- // // Contains operations to manage owned computers. // // --[ License ] -------------------------------------------------------------- // // This program is free software: you can redistribute it and/or modify // it under the terms of the GNU General Public License as // published by the Free Software Foundation, either version 3 of the // License, or (at your option) any later version. // // This program is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // // You should have received a copy of the GNU General Public License // along with this program. If not, see . // // ---------------------------------------------------------------------------- // Copyright © 2003-2018 Natalia Portillo *******************************************************************************/ using System; using System.Collections.Generic; using System.Data; using Cicm.Database.Schemas; using Console = System.Console; namespace Cicm.Database { public partial class Operations { public bool GetOwnOwnComputers(out List entries) { #if DEBUG Console.WriteLine("Getting all owned computers..."); #endif try { const string SQL = "SELECT * from own_computer"; IDbCommand dbCmd = dbCon.CreateCommand(); IDbDataAdapter dataAdapter = dbCore.GetNewDataAdapter(); dbCmd.CommandText = SQL; DataSet dataSet = new DataSet(); dataAdapter.SelectCommand = dbCmd; dataAdapter.Fill(dataSet); entries = OwnOwnComputersFromDataTable(dataSet.Tables[0]); return true; } catch(Exception ex) { Console.WriteLine("Error getting owned computers."); Console.WriteLine(ex); entries = null; return false; } } public bool GetOwnOwnComputers(out List entries, ulong start, ulong count) { #if DEBUG Console.WriteLine("Getting {0} owned computers from {1}...", count, start); #endif try { string sql = $"SELECT * FROM own_computer LIMIT {start}, {count}"; IDbCommand dbCmd = dbCon.CreateCommand(); IDbDataAdapter dataAdapter = dbCore.GetNewDataAdapter(); dbCmd.CommandText = sql; DataSet dataSet = new DataSet(); dataAdapter.SelectCommand = dbCmd; dataAdapter.Fill(dataSet); entries = OwnOwnComputersFromDataTable(dataSet.Tables[0]); return true; } catch(Exception ex) { Console.WriteLine("Error getting owned computers."); Console.WriteLine(ex); entries = null; return false; } } public OwnComputer GetOwnComputer(int id) { #if DEBUG Console.WriteLine("Getting owned computer with id {0}...", id); #endif try { string sql = $"SELECT * from own_computer WHERE id = '{id}'"; IDbCommand dbCmd = dbCon.CreateCommand(); IDbDataAdapter dataAdapter = dbCore.GetNewDataAdapter(); dbCmd.CommandText = sql; DataSet dataSet = new DataSet(); dataAdapter.SelectCommand = dbCmd; dataAdapter.Fill(dataSet); List entries = OwnOwnComputersFromDataTable(dataSet.Tables[0]); return entries == null || entries.Count == 0 ? null : entries[0]; } catch(Exception ex) { Console.WriteLine("Error getting owned computer."); Console.WriteLine(ex); return null; } } public long CountOwnOwnComputers() { #if DEBUG Console.WriteLine("Counting owned computers..."); #endif IDbCommand dbcmd = dbCon.CreateCommand(); dbcmd.CommandText = "SELECT COUNT(*) FROM own_computer"; object count = dbcmd.ExecuteScalar(); dbcmd.Dispose(); try { return Convert.ToInt64(count); } catch { return 0; } } public bool AddOwnComputer(OwnComputer entry, out long id) { #if DEBUG Console.Write("Adding owned computer `{0}`...", entry.db_id); #endif IDbCommand dbcmd = GetCommandOwnComputer(entry); IDbTransaction trans = dbCon.BeginTransaction(); dbcmd.Transaction = trans; const string SQL = "INSERT INTO own_computer (db_id, date, status, trade, boxed, manuals, cpu1, mhz1, cpu2, mhz2, ram, vram, rigid, disk1, cap1, disk2, cap2)" + " VALUES (@db_id, @date, @status, @trade, @boxed, @manuals, @cpu1, @mhz1, @cpu2, @mhz2, @ram, @vram, @rigid, @disk1, @cap1, @disk2, @cap2)"; dbcmd.CommandText = SQL; dbcmd.ExecuteNonQuery(); trans.Commit(); dbcmd.Dispose(); id = dbCore.LastInsertRowId; #if DEBUG Console.WriteLine(" id {0}", id); #endif return true; } public bool UpdateOwnComputer(OwnComputer entry) { #if DEBUG Console.WriteLine("Updating computer `{0}`...", entry.db_id); #endif IDbCommand dbcmd = GetCommandOwnComputer(entry); IDbTransaction trans = dbCon.BeginTransaction(); dbcmd.Transaction = trans; string sql = "UPDATE own_computer SET db_id = @db_id, date = @date, status = @status, trade = @trade, boxed = @boxed, manuals = @manuals, cpu1 = @cpu1" + "mhz1 = @mhz1, cpu2 = @cpu2, mhz2 = @mhz2, ram = @ram, vram = @vram, rigid = @rigid, disk1 = @disk1, cap1 = @cap1, disk2 = @disk2, cap2 = @cap2 " + $"WHERE id = {entry.id}"; dbcmd.CommandText = sql; dbcmd.ExecuteNonQuery(); trans.Commit(); dbcmd.Dispose(); return true; } public bool RemoveOwnComputer(long id) { #if DEBUG Console.WriteLine("Removing owned computer widh id `{0}`...", id); #endif IDbCommand dbcmd = dbCon.CreateCommand(); IDbTransaction trans = dbCon.BeginTransaction(); dbcmd.Transaction = trans; string sql = $"DELETE FROM own_computer WHERE id = '{id}';"; dbcmd.CommandText = sql; dbcmd.ExecuteNonQuery(); trans.Commit(); dbcmd.Dispose(); return true; } IDbCommand GetCommandOwnComputer(OwnComputer entry) { IDbCommand dbcmd = dbCon.CreateCommand(); IDbDataParameter param1 = dbcmd.CreateParameter(); IDbDataParameter param2 = dbcmd.CreateParameter(); IDbDataParameter param3 = dbcmd.CreateParameter(); IDbDataParameter param4 = dbcmd.CreateParameter(); IDbDataParameter param5 = dbcmd.CreateParameter(); IDbDataParameter param6 = dbcmd.CreateParameter(); IDbDataParameter param7 = dbcmd.CreateParameter(); IDbDataParameter param8 = dbcmd.CreateParameter(); IDbDataParameter param9 = dbcmd.CreateParameter(); IDbDataParameter param10 = dbcmd.CreateParameter(); IDbDataParameter param11 = dbcmd.CreateParameter(); IDbDataParameter param12 = dbcmd.CreateParameter(); IDbDataParameter param13 = dbcmd.CreateParameter(); IDbDataParameter param14 = dbcmd.CreateParameter(); IDbDataParameter param15 = dbcmd.CreateParameter(); IDbDataParameter param16 = dbcmd.CreateParameter(); IDbDataParameter param17 = dbcmd.CreateParameter(); param1.ParameterName = "@db_id"; param2.ParameterName = "@date"; param3.ParameterName = "@status"; param4.ParameterName = "@trade"; param5.ParameterName = "@boxed"; param6.ParameterName = "@manuals"; param7.ParameterName = "@cpu1"; param8.ParameterName = "@mhz1"; param9.ParameterName = "@cpu2"; param10.ParameterName = "@mhz2"; param11.ParameterName = "@ram"; param12.ParameterName = "@vram"; param13.ParameterName = "@rigid"; param14.ParameterName = "@disk1"; param15.ParameterName = "@cap1"; param16.ParameterName = "@disk2"; param17.ParameterName = "@cap2"; param1.DbType = DbType.Int32; param2.DbType = DbType.String; param3.DbType = DbType.Int32; param4.DbType = DbType.Boolean; param5.DbType = DbType.Boolean; param6.DbType = DbType.Boolean; param7.DbType = DbType.Int32; param8.DbType = DbType.Double; param9.DbType = DbType.Int32; param10.DbType = DbType.Double; param11.DbType = DbType.Int32; param12.DbType = DbType.Int32; param13.DbType = DbType.String; param14.DbType = DbType.Int32; param15.DbType = DbType.Int32; param16.DbType = DbType.Int32; param17.DbType = DbType.Int32; param1.Value = entry.db_id; param2.Value = entry.date; param3.Value = entry.status; param4.Value = entry.trade; param5.Value = entry.boxed; param6.Value = entry.manuals; param7.Value = entry.cpu1; param8.Value = entry.mhz1; param9.Value = entry.cpu2; param10.Value = entry.mhz2; param11.Value = entry.ram; param12.Value = entry.vram; param13.Value = entry.rigid; param14.Value = entry.disk1; param15.Value = entry.cap1; param16.Value = entry.disk2; param17.Value = entry.cap2; dbcmd.Parameters.Add(param1); dbcmd.Parameters.Add(param2); dbcmd.Parameters.Add(param3); dbcmd.Parameters.Add(param4); dbcmd.Parameters.Add(param5); dbcmd.Parameters.Add(param6); dbcmd.Parameters.Add(param7); dbcmd.Parameters.Add(param8); dbcmd.Parameters.Add(param9); dbcmd.Parameters.Add(param10); dbcmd.Parameters.Add(param11); dbcmd.Parameters.Add(param12); dbcmd.Parameters.Add(param13); dbcmd.Parameters.Add(param14); dbcmd.Parameters.Add(param15); dbcmd.Parameters.Add(param16); dbcmd.Parameters.Add(param17); return dbcmd; } static List OwnOwnComputersFromDataTable(DataTable dataTable) { List entries = new List(); foreach(DataRow dataRow in dataTable.Rows) { OwnComputer entry = new OwnComputer { id = int.Parse(dataRow["id"].ToString()), db_id = int.Parse(dataRow["db_id"].ToString()), date = dataRow["date"].ToString(), status = int.Parse(dataRow["status"].ToString()), trade = bool.Parse(dataRow["trade"].ToString()), boxed = bool.Parse(dataRow["boxed"].ToString()), manuals = bool.Parse(dataRow["manuals"].ToString()), cpu1 = int.Parse(dataRow["cpu1"].ToString()), mhz1 = float.Parse(dataRow["mhz1"].ToString()), cpu2 = int.Parse(dataRow["cpu1"].ToString()), mhz2 = float.Parse(dataRow["mhz2"].ToString()), ram = int.Parse(dataRow["ram"].ToString()), vram = int.Parse(dataRow["vram"].ToString()), rigid = dataRow["rigid"].ToString(), disk1 = int.Parse(dataRow["disk1"].ToString()), cap1 = int.Parse(dataRow["cap1"].ToString()), disk2 = int.Parse(dataRow["disk2"].ToString()), cap2 = int.Parse(dataRow["cap2"].ToString()) }; entries.Add(entry); } return entries; } } }