Files
SabreTools/DATabaseTwo/Import.cs
2016-05-22 13:15:13 -07:00

403 lines
13 KiB
C#

using System;
using System.Collections.Generic;
using Mono.Data.Sqlite;
using System.IO;
using System.Security.Cryptography;
using System.Text.RegularExpressions;
using SabreTools.Helper;
namespace SabreTools
{
public class Import
{
// Private instance variables
private string _datroot;
private string _connectionString;
private Logger _logger;
private bool _ignore;
/// <summary>
/// Initialize an Import object with the given information
/// </summary>
/// <param name="datroot">Root directory where all DAT files are held</param>
/// <param name="connectionString">Connection string for SQLite</param>
/// <param name="logger">Logger object for file or console output</param>
/// <param name="ignore">False if each DAT that has no defined source asks for user input (default), true otherwise</param>
public Import(string datroot, string connectionString, Logger logger, bool ignore = false)
{
_datroot = datroot;
_connectionString = connectionString;
_logger = logger;
_ignore = ignore;
}
/// <summary>
/// Perform initial or incremental import of DATs in the root folder
/// </summary>
/// <returns>True if the data could be inserted or updated correctly, false otherwise</returns>
public bool ImportData()
{
_logger.User("Beginning import/update process");
using (SqliteConnection dbc = new SqliteConnection(_connectionString))
{
dbc.Open();
Dictionary<string, int> hashes = new Dictionary<string, int>();
string query = "SELECT sha1, id FROM dats";
using (SqliteCommand slc = new SqliteCommand(query, dbc))
{
using (SqliteDataReader sldr = slc.ExecuteReader())
{
while (sldr.Read())
{
hashes.Add(sldr.GetString(0), sldr.GetInt32(1));
}
}
}
SHA1 sha1 = SHA1.Create();
query = "SELECT * FROM system";
using (SqliteCommand slc = new SqliteCommand(query, dbc))
{
using (SqliteDataReader sldr = slc.ExecuteReader())
{
while (sldr.Read())
{
int systemid = sldr.GetInt32(0);
string system = _datroot + Path.DirectorySeparatorChar + sldr.GetString(1) + " - " + sldr.GetString(2);
system = system.Trim();
_logger.User("System: " + system.Remove(0, 5));
// Audit all DATs in the folder
foreach (string file in Directory.GetFiles(system, "*", SearchOption.AllDirectories))
{
string hash = "";
using (FileStream fs = File.Open(file, FileMode.Open))
{
hash = BitConverter.ToString(sha1.ComputeHash(fs)).Replace("-", "");
}
// If the hash isn't in add it and all required information
int hashid = -1;
if (!hashes.ContainsKey(hash))
{
_logger.Log("Adding file information for " + Path.GetFileName(file));
string squery = @"BEGIN;
INSERT INTO dats (size, sha1, name)
VALUES (" + (new FileInfo(file)).Length + ", '" + hash + "', '" + file.Replace("'", "''") + @"');
SELECT last_insertConstants.Rowid();
COMMIT;";
using (SqliteCommand sslc = new SqliteCommand(squery, dbc))
{
using (SqliteDataReader ssldr = sslc.ExecuteReader())
{
if (ssldr.Read())
{
hashid = ssldr.GetInt32(0);
}
}
}
// Add the hash to the temporary Dictionary
hashes.Add(hash, hashid);
// Now try to determine the source for the file based on the name
string source = GetSourceFromFileName(Path.GetFileName(file));
int sourceid = 0;
SortedDictionary<string, int> sources = new SortedDictionary<string, int>();
sources.Add("default", 0);
query = "SELECT name, id FROM source";
using (SqliteCommand sslc = new SqliteCommand(query, dbc))
{
using (SqliteDataReader ssldr = sslc.ExecuteReader())
{
while (ssldr.Read())
{
sources.Add(ssldr.GetString(0).ToLowerInvariant(), ssldr.GetInt32(1));
}
}
}
// Only if we're not ignoring new sources should be ask the user for input
if (!_ignore)
{
// We want to reset "Default" at this point, just in case
if (source.ToLowerInvariant() == "default")
{
source = "";
}
// If the source is blank, ask the user to supply one
while (source == "" && sourceid == 0)
{
Console.Clear();
Build.Start("DATabaseTwo");
Console.WriteLine("Sources:");
foreach (KeyValuePair<string, int> pair in sources)
{
Console.WriteLine(" " + pair.Value + " - " + pair.Key);
}
Console.WriteLine("\nFor file name: " + Path.GetFileName(file));
Console.Write("Select a source above or enter a new one: ");
source = Console.ReadLine();
Int32.TryParse(source, out sourceid);
// If the value could be parsed, reset the source string
if (sourceid != 0)
{
source = "";
}
// If the source ID is set check to see if it's valid
if (sourceid != 0 && !sources.ContainsValue(sourceid))
{
Console.WriteLine("Invalid selection: " + sourceid);
Console.ReadLine();
sourceid = 0;
}
}
// If the source isn't in, add it and get the insert id
if (source != "" && sourceid == 0 && !sources.ContainsKey(source.ToLowerInvariant()))
{
string tquery = @"BEGIN;
INSERT INTO source (name, url)
VALUES ('" + source + @"', '');
SELECT last_insertConstants.Rowid();
COMMIT;";
using (SqliteCommand sslc = new SqliteCommand(tquery, dbc))
{
using (SqliteDataReader ssldr = sslc.ExecuteReader())
{
if (ssldr.Read())
{
sourceid = ssldr.GetInt32(0);
}
}
}
// Add the new source to the temporary Dictionary
sources.Add(source.ToLowerInvariant(), sourceid);
}
// Otherwise, get the ID
else if (source != "" && sourceid == 0 && sources.ContainsKey(source.ToLowerInvariant()))
{
try
{
sourceid = sources[source.ToLowerInvariant()];
}
catch
{
sourceid = 0;
}
}
// Otherwise, we should already have an ID
}
else
{
try
{
sourceid = sources[source.ToLowerInvariant()];
}
catch
{
sourceid = 0;
}
}
// Add the source and system link to the database
string uquery = @"INSERT OR IGNORE INTO datsdata (id, key, value)
VALUES (" + hashid + ", 'source', '" + sourceid + @"'),
(" + hashid + ", 'system', '" + systemid + "')";
using (SqliteCommand uslc = new SqliteCommand(uquery, dbc))
{
uslc.ExecuteNonQuery();
}
}
}
}
}
}
}
_logger.User("Import/update process complete!");
return true;
}
/// <summary>
/// Determine the source name from the file name, if possible
/// </summary>
/// <param name="filename">The name of the file to be checked</param>
/// <returns>The name of the source if determined, blank otherwise</returns>
private string GetSourceFromFileName(string filename)
{
string source = "Default";
// Determine which dattype we have
GroupCollection fileinfo;
if (Regex.IsMatch(filename, Constants.NonGoodPattern))
{
fileinfo = Regex.Match(filename, Constants.NonGoodPattern).Groups;
if (!Remapping.NonGood.ContainsKey(fileinfo[1].Value))
{
_logger.Warning("The filename " + fileinfo[1].Value + " was matched as NonGood but could not be mapped.");
return source;
}
source = "NonGood";
}
else if (Regex.IsMatch(filename, Constants.NonGoodSpecialPattern))
{
fileinfo = Regex.Match(filename, Constants.NonGoodSpecialPattern).Groups;
if (!Remapping.NonGood.ContainsKey(fileinfo[1].Value))
{
_logger.Warning("The filename " + fileinfo[1].Value + " was matched as NonGood but could not be mapped.");
return source;
}
source = "NonGood";
}
else if (Regex.IsMatch(filename, Constants.GoodPattern))
{
fileinfo = Regex.Match(filename, Constants.GoodPattern).Groups;
if (!Remapping.Good.ContainsKey(fileinfo[1].Value))
{
_logger.Warning("The filename " + fileinfo[1].Value + " was matched as Good but could not be mapped.");
return source;
}
source = "Good";
}
else if (Regex.IsMatch(filename, Constants.GoodXmlPattern))
{
fileinfo = Regex.Match(filename, Constants.GoodXmlPattern).Groups;
}
else if (Regex.IsMatch(filename, Constants.MaybeIntroPattern))
{
fileinfo = Regex.Match(filename, Constants.MaybeIntroPattern).Groups;
if (!Remapping.MaybeIntro.ContainsKey(fileinfo[1].Value))
{
_logger.Warning("The filename " + fileinfo[1].Value + " was matched as Maybe-Intro but could not be mapped.");
return source;
}
source = "Maybe-Intro";
}
else if (Regex.IsMatch(filename, Constants.NoIntroPattern))
{
fileinfo = Regex.Match(filename, Constants.NoIntroPattern).Groups;
if (!Remapping.NoIntro.ContainsKey(fileinfo[1].Value))
{
_logger.Warning("The filename " + fileinfo[1].Value + " was matched as No-Intro but could not be mapped.");
return source;
}
source = "no-Intro";
}
// For numbered DATs only
else if (Regex.IsMatch(filename, Constants.NoIntroNumberedPattern))
{
fileinfo = Regex.Match(filename, Constants.NoIntroNumberedPattern).Groups;
if (!Remapping.NoIntro.ContainsKey(fileinfo[1].Value))
{
_logger.Warning("The filename " + fileinfo[1].Value + " was matched as No-Intro but could not be mapped.");
return source;
}
source = "no-Intro";
}
// For N-Gage and Gizmondo only
else if (Regex.IsMatch(filename, Constants.NoIntroSpecialPattern))
{
fileinfo = Regex.Match(filename, Constants.NoIntroSpecialPattern).Groups;
if (!Remapping.NoIntro.ContainsKey(fileinfo[1].Value))
{
_logger.Warning("The filename " + fileinfo[1].Value + " was matched as No-Intro but could not be mapped.");
return source;
}
source = "no-Intro";
}
else if (Regex.IsMatch(filename, Constants.RedumpPattern))
{
fileinfo = Regex.Match(filename, Constants.RedumpPattern).Groups;
if (!Remapping.Redump.ContainsKey(fileinfo[1].Value))
{
_logger.Warning("The filename " + fileinfo[1].Value + " was matched as Redump but could not be mapped.");
return source;
}
source = "Redump";
}
// For special BIOSes only
else if (Regex.IsMatch(filename, Constants.RedumpBiosPattern))
{
fileinfo = Regex.Match(filename, Constants.RedumpBiosPattern).Groups;
if (!Remapping.Redump.ContainsKey(fileinfo[1].Value))
{
_logger.Warning("The filename " + fileinfo[1].Value + " was matched as Redump but could not be mapped.");
return source;
}
source = "Redump";
}
else if (Regex.IsMatch(filename, Constants.TosecPattern))
{
fileinfo = Regex.Match(filename, Constants.TosecPattern).Groups;
if (!Remapping.TOSEC.ContainsKey(fileinfo[1].Value))
{
// Handle special case mappings found only in TOSEC
fileinfo = Regex.Match(filename, Constants.TosecSpecialPatternA).Groups;
if (!Remapping.TOSEC.ContainsKey(fileinfo[1].Value))
{
fileinfo = Regex.Match(filename, Constants.TosecSpecialPatternB).Groups;
if (!Remapping.TOSEC.ContainsKey(fileinfo[1].Value))
{
_logger.Warning("The filename " + fileinfo[1].Value + " was matched as TOSEC but could not be mapped.");
return source;
}
}
}
source = "TOSEC";
}
else if (Regex.IsMatch(filename, Constants.TruripPattern))
{
fileinfo = Regex.Match(filename, Constants.TruripPattern).Groups;
if (!Remapping.TruRip.ContainsKey(fileinfo[1].Value))
{
_logger.Warning("The filename " + fileinfo[1].Value + " was matched as TruRip but could not be mapped.");
return source;
}
source = "trurip";
}
else if (Regex.IsMatch(filename, Constants.ZandroPattern))
{
source = "Zandro";
}
else if (Regex.IsMatch(filename, Constants.DefaultPattern))
{
fileinfo = Regex.Match(filename, Constants.DefaultPattern).Groups;
source = fileinfo[3].Value;
}
else if (Regex.IsMatch(filename, Constants.DefaultSpecialPattern))
{
fileinfo = Regex.Match(filename, Constants.DefaultSpecialPattern).Groups;
source = fileinfo[3].Value;
}
else if (Regex.IsMatch(filename, Constants.MamePattern))
{
fileinfo = Regex.Match(filename, Constants.MamePattern).Groups;
if (!Remapping.MAME.ContainsKey(fileinfo[1].Value))
{
_logger.Warning("The filename " + fileinfo[1].Value + " was matched as MAME but could not be mapped.");
return source;
}
source = "MAME";
}
return source;
}
}
}