Files
SabreTools/SabreTools.Helper/Objects/ImportTwo.cs
2016-09-01 23:41:19 -07:00

456 lines
15 KiB
C#

using Mono.Data.Sqlite;
using SabreTools.Helper;
using System;
using System.Collections.Generic;
using System.IO;
using System.Security.Cryptography;
using System.Text.RegularExpressions;
namespace SabreTools
{
public class ImportTwo : IImport
{
// 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 ImportTwo(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 UpdateDatabase()
{
_logger.User("Beginning import/update process");
Dictionary<Tuple<long, string, string>, int> missing = ImportData();
bool success = RemoveData(missing);
_logger.User("Import/update process complete!");
return success;
}
/// <summary>
/// Import data into the database and return all files not found in the list
/// </summary>
/// <returns>List of files that were not found in the audit</returns>
private Dictionary<Tuple<long, string, string>, int> ImportData()
{
// Create the empty dictionary for file filtering and output
Dictionary<Tuple<long, string, string>, int> dbfiles = new Dictionary<Tuple<long, string, string>, int>();
using (SqliteConnection dbc = new SqliteConnection(_connectionString))
{
dbc.Open();
_logger.User("Populating reference objects");
// Populate the list of files in the database with Tuples (size, sha1, name)
string query = "SELECT id, size, sha1, name FROM dats";
using (SqliteCommand slc = new SqliteCommand(query, dbc))
{
using (SqliteDataReader sldr = slc.ExecuteReader())
{
while (sldr.Read())
{
dbfiles.Add(Tuple.Create(sldr.GetInt64(1), sldr.GetString(2), sldr.GetString(3)), sldr.GetInt32(0));
}
}
}
// Populate the list of systems
Dictionary<string, int> systems = new Dictionary<string, int>();
query = "SELECT id, manufacturer, name FROM system";
using (SqliteCommand slc = new SqliteCommand(query, dbc))
{
using (SqliteDataReader sldr = slc.ExecuteReader())
{
while (sldr.Read())
{
systems.Add(sldr.GetString(1) + " - " + sldr.GetString(2), sldr.GetInt32(0));
}
}
}
// Populate the list of sources (initial)
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));
}
}
}
// Interate through each system and check files
SHA1 sha1 = SHA1.Create();
foreach (KeyValuePair<string, int> kv in systems)
{
_logger.User("Processing DATs for system: '" + kv.Key + "'");
// Set the folder to iterate through based on the DAT root
string folder = Path.Combine(_datroot, kv.Key.Trim());
// Audit all files in the folder
foreach (string file in Directory.EnumerateFiles(folder, "*", SearchOption.AllDirectories))
{
// First get the file information for comparison
long size = (new FileInfo(file)).Length;
string hash = "";
using (FileStream fs = File.Open(file, FileMode.Open))
{
hash = BitConverter.ToString(sha1.ComputeHash(fs)).Replace("-", "");
}
// If it's not in the list of known files, add it
if (!dbfiles.ContainsKey(Tuple.Create(size, hash, file)))
{
// First add the information to the database as is and return the new insert ID
_logger.Log("Adding file information for " + Path.GetFileName(file));
int hashid = -1;
query = @"INSERT INTO dats (size, sha1, name)
VALUES (" + (new FileInfo(file)).Length + ", '" + hash + "', '" + file.Replace("'", "''") + @"')";
using (SqliteCommand slc = new SqliteCommand(query, dbc))
{
slc.ExecuteNonQuery();
}
query = "SELECT last_insert_rowid()";
using (SqliteCommand slc = new SqliteCommand(query, dbc))
{
using (SqliteDataReader sldr = slc.ExecuteReader())
{
if (sldr.Read())
{
hashid = sldr.GetInt32(0);
}
}
}
// Next we try to figure out the source ID from the name
string possiblesource = GetSourceFromFileName(Path.GetFileName(file));
// Try to get the source ID from the name
int sourceid = (sources.ContainsKey(possiblesource.ToLowerInvariant()) ? sources[possiblesource] : 0);
// If we have a "default" ID and we're not ignoring new sources, prompt for a source input
if (!_ignore && sourceid <= 1)
{
// We want to reset "Default" at this point, just in case
if (possiblesource.ToLowerInvariant() == "default")
{
possiblesource = "";
}
// If the source is blank, ask the user to supply one
while (possiblesource == "" && sourceid == 0)
{
Console.Clear();
Build.Start("DATabaseTwo");
Console.WriteLine("Sources:");
foreach (KeyValuePair<string, int> pair in sources)
{
Console.WriteLine(" " + pair.Value + " - " + Style.SentenceCase(pair.Key));
}
Console.WriteLine("\nFor file name: " + Path.GetFileName(file));
Console.Write("Select a source above or enter a new one: ");
possiblesource = Console.ReadLine();
Int32.TryParse(possiblesource, out sourceid);
// If the value could be parsed, reset the source string
if (sourceid != 0)
{
possiblesource = "";
}
// 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 we have a non-empty possible source and it's in the database, get the id
if (possiblesource != "" && sources.ContainsKey(possiblesource.ToLowerInvariant()))
{
sourceid = sources[possiblesource.ToLowerInvariant()];
}
// If we have a non-empty possible source and it's not in the database, insert and get the id
else if (possiblesource != "" && !sources.ContainsKey(possiblesource.ToLowerInvariant()))
{
query = @"BEGIN;
INSERT INTO source (name, url)
VALUES ('" + possiblesource + @"', '');
SELECT last_insertConstants.Rowid();
COMMIT;";
using (SqliteCommand slc = new SqliteCommand(query, dbc))
{
using (SqliteDataReader sldr = slc.ExecuteReader())
{
if (sldr.Read())
{
sourceid = sldr.GetInt32(0);
}
}
}
// Add the new source to the current dictionary
sources.Add(possiblesource.ToLowerInvariant(), sourceid);
}
}
// Now that we have a source ID, we can add the mappings for system and source to the database
query = @"INSERT OR IGNORE INTO datsdata (id, key, value)
VALUES (" + hashid + ", 'source', '" + sourceid + @"'),
(" + hashid + ", 'system', '" + kv.Value + "')";
using (SqliteCommand slc = new SqliteCommand(query, dbc))
{
slc.ExecuteNonQuery();
}
}
// Otherwise, remove it from the list of found items
else
{
dbfiles.Remove(Tuple.Create(size, hash, file));
}
}
}
}
return dbfiles;
}
/// <summary>
/// Remove all data associated with various files
/// </summary>
/// <param name="missing">List of file identifiers to remove from the database</param>
/// <returns>True if everything went well, false otherwise</returns>
private bool RemoveData(Dictionary<Tuple<long, string, string>, int> missing)
{
bool success = true;
using (SqliteConnection dbc = new SqliteConnection(_connectionString))
{
dbc.Open();
// Get a comma-separated list of IDs from the input files
string idlist = String.Join(",", missing.Values);
// Now remove all of the files from the database
string query = @"BEGIN;
DELETE FROM datsdata WHERE id IN (" + idlist + @");
DELETE FROM dats WHERE id IN (" + idlist + @");
COMMIT;";
using (SqliteCommand slc = new SqliteCommand(query, dbc))
{
slc.ExecuteNonQuery();
}
}
return success;
}
/// <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 (!Mappings.DatMaps["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 (!Mappings.DatMaps["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 (!Mappings.DatMaps["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;
if (!Mappings.DatMaps["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.MaybeIntroPattern))
{
fileinfo = Regex.Match(filename, Constants.MaybeIntroPattern).Groups;
if (!Mappings.DatMaps["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 (!Mappings.DatMaps["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 (!Mappings.DatMaps["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 (!Mappings.DatMaps["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 (!Mappings.DatMaps["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 (!Mappings.DatMaps["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 (!Mappings.DatMaps["TOSEC"].ContainsKey(fileinfo[1].Value))
{
// Handle special case mappings found only in TOSEC
fileinfo = Regex.Match(filename, Constants.TosecSpecialPatternA).Groups;
if (!Mappings.DatMaps["TOSEC"].ContainsKey(fileinfo[1].Value))
{
fileinfo = Regex.Match(filename, Constants.TosecSpecialPatternB).Groups;
if (!Mappings.DatMaps["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 (!Mappings.DatMaps["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 (!Mappings.DatMaps["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;
}
}
}