/// <summary>
/// Read the config file and populate this class
/// </summary>
/// <param name="file">
/// A <see cref="System.String"/>
/// </param>
/// <returns>
/// A <see cref="System.Boolean"/>
/// </returns>
public static bool Init(string file)
{
if (!Tools.DirectoryExists(TmpDir)) {
Log.Warning("Tmpdir doesn't exist");
return false;
}
FileInfo fi = new FileInfo(file);
if (!fi.Exists) {
Console.Error.Write("{0} doesn't exist!\n", file);
return false;
}
File = file;
MediaTypes = new List<MediaType>();
Previews = new ArrayList();
DatabaseInfo = new DBInfo();
BasePaths = new List<BasePath>();
Directories = new List<MediaDB.Backend.Directory>();
FileIndex = new List<string>();
XmlDocument xdoc = new XmlDocument();
xdoc.Load(File);
if (xdoc.FirstChild.Name != "mediadb") {
Log.Warning("Malformed config file. Root node name isn't \"mediadb\"!");
return false;
}
ArrayList basePaths = new ArrayList();
foreach (XmlNode child in xdoc.FirstChild.ChildNodes) {
if (child.NodeType != XmlNodeType.Element)
continue;
switch (child.Name)
{
case "threads":
Threads = Convert.ToInt32(child.FirstChild.Value);
break;
case "database":
foreach (XmlNode c in child.ChildNodes) {
if (c.NodeType != XmlNodeType.Element)
continue;
string v = c.FirstChild.Value;
switch (c.Name) {
case "host": DatabaseInfo.Host = v; break;
case "database": DatabaseInfo.Name = v; break;
case "username": DatabaseInfo.Username = v; break;
case "password": DatabaseInfo.Password = v; break;
}
}
break;
case "mediatypes":
foreach (XmlNode c in child.ChildNodes) {
if (c.Name == "mediatype") {
MediaType mt = new MediaType();
mt.Extension = c.Attributes["extension"].Value.ToString();
mt.Mimetype = c.Attributes["mimetype"].Value.ToString();
MediaTypes.Add(mt);
}
}
break;
case "maxbytes":
MaxBytes = (1024*1024)*long.Parse(child.FirstChild.Value);
break;
case "previews":
previewQuality = child.Attributes["quality"].Value.ToString();
foreach (XmlNode c in child.ChildNodes) {
if (c.Name == "preview") {
Preview pv = new Preview();
pv.Name = c.Attributes["name"].Value.ToString();
pv.Width = Convert.ToInt32(c.Attributes["width"].Value);
pv.Height = Convert.ToInt32(c.Attributes["height"].Value);
if (PreviewMinWidth == 0 || pv.Width < PreviewMinWidth)
PreviewMinWidth = pv.Width;
if (PreviewMinHeight == 0 || pv.Height < PreviewMinHeight)
PreviewMinHeight = pv.Height;
Previews.Add(pv);
}
}
break;
case "paths":
foreach (XmlNode c in child.ChildNodes) {
if (c.Name == "path")
basePaths.Add(c.FirstChild.Value);
}
break;
}
}
Previews.Sort();
Previews.Reverse();
dbstr = String.Format("server={0};database={1};userid={2};password={3};",
DatabaseInfo.Host, DatabaseInfo.Name,
DatabaseInfo.Username, DatabaseInfo.Password);
Log.Debug(">>> Connecting to database...");
try {
dbcon = new MySqlConnection(dbstr);
dbcon.Open();
#if DEBUG
DB.Query("TRUNCATE `file`");
DB.Query("TRUNCATE `preview`");
DB.Query("TRUNCATE `keyword`");
DB.Query("TRUNCATE `keyword_rel`");
#endif
Log.Debug("OK!\n");
}
catch (Exception e) {
Log.Debug("FAILED! ");
Log.Werror("{0}\n", e.Message);
return false;
}
var db = new DbManager();
// Collect base paths from database
if (db.QueryReader("SELECT * FROM base_path")) {
while (db.DataReader.Read()) {
string p = db.DataReader.GetString("path");
long id = db.DataReader.GetInt64("id");
if (!(basePaths.Contains(p) && Tools.DirectoryExists(p))) {
Log.Notice("Base path \"{0}\" is removed from config or file " +
"system! Removing from database...\n", p);
// NOTE! This uses the global DB object. It's not supposed to
// use the local one since it would conflict with the DataReader.
DB.Query("DELETE FROM base_path WHERE path = @path",
DB.Param("path", p));
}
else
BasePaths.Add(new BasePath(id, p));
}
}
// Sync paths from config file with path from database
foreach (string path in basePaths) {
var t = BasePaths.Find(delegate(BasePath tp) {
return tp.Name == path;
});
if (t == null) {
if (!Tools.DirectoryExists(path)) {
Log.Warning("Path \"{0}\" in config file doesn't exits in file " +
"system!\n");
}
else {
Log.Debug("+++ Add {0} to base paths\n", path);
long myid;
string sql = "INSERT INTO base_path(path) VALUES (@path)";
// NOTE! This uses the global DB object. It's not supposed to
// use the local one since it would conflict with the DataReader.
if (DB.QueryInsert(out myid, sql, DB.Param("path", path)))
BasePaths.Add(new BasePath(myid, path));
else
Log.Warning("Failed adding {0} to base_path!\n", path);
}
}
}
// Setup the directory list
if (db.QueryReader("SELECT * FROM directory")) {
while (db.DataReader.Read()) {
MediaDB.Backend.Directory d =
MediaDB.Backend.Directory.FromSql(db.DataReader);
if (Tools.DirectoryExists(d.FullName) && InBasePaths(d.FullName)) {
Directories.Add(d);
}
else {
DB.Query("DELETE FROM directory WHERE id='" + d.Id + "'");
}
}
}
// Setup the list of files
if (db.QueryReader("SELECT fullname FROM `file`")) {
while (db.DataReader.Read())
FileIndex.Add(db.DataReader.GetString("fullname"));
}
filesCount = FileIndex.Count;
db.Dispose();
return true;
}
private void SaveKeywords(long Id, string Keywords)
{
if (Keywords != null) {
string[] keys = Keywords.Split(',');
foreach (string key in keys) {
string lowCaseKey = key.ToLower();
int keyword_id = -1;
using (var db = new DbManager(Manager.DbCon)) {
string sql = "SELECT id FROM `keywords` WHERE keyword=@keyword";
db.QueryReader(sql, DB.Param("keyword", lowCaseKey));
if (db.DataReader.HasRows) {
db.DataReader.Read();
keyword_id = (int)db.DataReader.GetValue(0);
}
}
if (keyword_id == -1) {
using (var dbinner = new DbManager(Manager.DbCon)) {
long tmpkwdid;
string sql = "INSERT INTO keywords (keyword) VALUES (@kwd)";
dbinner.QueryInsert(out tmpkwdid, sql,
DB.Param("kwd", lowCaseKey));
keyword_id = (int)tmpkwdid;
}
}
using (var dbinners = new DbManager(Manager.DbCon)) {
long tmpid;
string sql = "INSERT INTO keyword_rel (file_id,keyword_id) " +
"VALUES (@fileid,@keyid)";
dbinners.QueryInsert(out tmpid, sql,
DB.Param("fileid", Id),
DB.Param("keyid", keyword_id));
}
}
}
}
/// <summary>
/// Get media file for <paramref name="fullname"/>.
/// If it exists in the database the media file object will be
/// populated. Otherwise an empty <see cref="MediaFile"/> object will
/// be returned.
/// </summary>
/// <param name="fullname"></param>
/// <returns></returns>
public static MediaFile GetMediaFile(string fullname)
{
if (filesCount == 0) {
return null;
}
MediaFile mf = null;
//! TODO: I'm note sure what performance gain this lookup has. One thing
//! is certain though: It's a pain keeping it in sync...
if (FileIndex.Contains(fullname)) {
// This method is called from an async method in Indexer.cs.
// So lock during the DB call and release when db done.
mutex.WaitOne();
using (var db = new DbManager()) {
try {
string sql = "SELECT * FROM `file` WHERE fullname = @fn";
// Log.Debug("@@@ GetMEdiaFile({0})\n", sql.Replace("@fn", fullname));
if (db.QueryReader(sql, DB.Param("fn", fullname))) {
if (db.DataReader.HasRows) {
db.DataReader.Read();
mf = MediaFile.FromSql(db.DataReader);
}
}
}
catch (Exception e) {
Log.Warning("DB error: {0} {1}\n", e.Message, e.StackTrace);
}
}
// Release the thread
mutex.ReleaseMutex();
}
return mf;
}
/// <summary>
/// Populate object from database record
/// </summary>
/// <param name="reader">
/// A <see cref="MySqlDataReader"/>
/// </param>
public void SetFromSql(MySqlDataReader reader)
{
for (int i = 0; i < reader.FieldCount; i++) {
switch (reader.GetName(i)) {
case "id": Id = reader.GetInt64(i); break;
case "name": Name = reader.GetString(i); break;
case "fullname": FullName = reader.GetString(i); break;
case "sha1_hash": sha1Hash = reader.GetString(i); break;
case "directory_id": DirectoryId = reader.GetInt64(i); break;
case "mimetype": Mimetype = reader.GetString(i); break;
case "title":
Title = DB.IsNull(reader[i]) ? null : reader.GetString(i);
break;
case "description":
Description = DB.IsNull(reader[i]) ? null : reader.GetString(i);
break;
case "copyright":
Copyright = DB.IsNull(reader[i]) ? null : reader.GetString(i);
break;
case "width": Width = reader.GetInt32(i); break;
case "height": Height = reader.GetInt32(i); break;
case "size": Size = reader.GetInt64(i); break;
case "resolution": Resolution = reader.GetDouble(i); break;
case "exif":
Exif = DB.IsNull(reader[i]) ? null : reader.GetString(i);
break;
case "created": Created = reader.GetDateTime(i); break;
case "modified":
if (!DB.IsNull(reader[i]))
Modified = reader.GetDateTime(i);
break;
case "keywords":
Keywords = DB.IsNull(reader[i]) ? null : reader.GetString(i);
break;
}
}
if (Id > 0) {
using (var db = new DbManager(Manager.DbCon)) {
var sql = "SELECT * FROM `preview` WHERE file_id=@id";
if (db.QueryReader(sql, DB.Param("id", Id))) {
while (db.DataReader.NextResult()) {
db.DataReader.Read();
Previews.Add(PreviewFile.FromSql(db.DataReader));
}
}
}
}
}
