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Updated DBSyncWatcher and Syncer

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Updated to remove reading of Datbase File from DBSyncWatcher, and move
it into Syncer.
This commit is contained in:
Mario Steele 2025-08-05 11:39:56 -05:00
parent 22d7bfb410
commit 7dbb71d921
2 changed files with 47 additions and 59 deletions
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30
FreeTubeSyncer/Library/DBSyncWatcher.cs
View file

@ -12,7 +12,7 @@ public class DBSyncWatcher
private FileSystemWatcher _watcher;
public Dictionary<string, Type> WatchFiles { get; set; } = [];
public delegate void DatabaseChange(string db, string value);
public delegate void DatabaseChange(string db);
public event DatabaseChange OnDatabaseChange;
public bool Locked = false;
@ -43,19 +43,7 @@ public class DBSyncWatcher
if (!WatchFiles.Keys.Contains(dbName)) return;
Log.Information("Database File Changed: {DbName}", dbName);
var data = new List<string>();
using var fh = File.OpenText(e.FullPath);
while (!fh.EndOfStream)
data.Add(fh.ReadLine() ?? string.Empty);
foreach (var line in data)
{
if (line == "") continue;
var type = WatchFiles[dbName];
OnDatabaseChange?.Invoke(dbName, line);
}
OnDatabaseChange?.Invoke(dbName);
}
private void HandleCreated(object sender, FileSystemEventArgs e)
@ -72,19 +60,7 @@ public class DBSyncWatcher
if (!WatchFiles.Keys.Contains(dbName)) return;
Log.Information("Database File Created: {DbName}", dbName);
var data = new List<string>();
using var fh = File.OpenText(e.FullPath);
while (!fh.EndOfStream)
data.Add(fh.ReadLine() ?? string.Empty);
foreach (var line in data)
{
if (line == "") continue;
var type = WatchFiles[dbName];
OnDatabaseChange?.Invoke(dbName, line);
}
OnDatabaseChange?.Invoke(dbName);
}
private void HandleError(object sender, ErrorEventArgs e)

22
FreeTubeSyncer/REST/Syncer.cs
View file

@ -19,7 +19,7 @@ public interface ISyncer
{
Task ReadDatabase();
Task FetchDatabase();
void HandleDatabaseChange(string dbName, string entryObject);
void HandleDatabaseChange(string dbName);
void Sync();
bool IsDirty();
void Enable();
@ -45,6 +45,8 @@ public class Syncer<T> : ISyncer where T : class, IDataModel, new()
private bool _syncing = false;
private bool _enabled = true;
private int _lastLineCount = 0;
public Syncer(DBSyncWatcher watcher, string dbPath, string dbName, string restBaseUrl, string restEndpoint)
{
_watcher = watcher;
@ -80,7 +82,7 @@ public class Syncer<T> : ISyncer where T : class, IDataModel, new()
return false;
}
if (res.AppVersion == "0.1.3")
if (res.AppVersion == "0.1.4")
{
Log.Information("Server Online! {AppVersion}", res.AppVersion);
return true;
@ -154,7 +156,7 @@ public class Syncer<T> : ISyncer where T : class, IDataModel, new()
}
}
public async void HandleDatabaseChange(string dbName, string entryObject)
public async void HandleDatabaseChange(string dbName)
{
if (!_enabled) return;
if (dbName != _dbName)
@ -163,6 +165,14 @@ public class Syncer<T> : ISyncer where T : class, IDataModel, new()
if (_syncing)
return;
var lines = await File.ReadAllLinesAsync(_dbPath);
if (lines.Length < _lastLineCount)
// We are compressing the file, so we need to rescan everything.
_lastLineCount = 0;
for (var i = _lastLineCount; i < lines.Length; i++)
{
var entryObject = lines[i];
T? entry;
try
{
@ -184,13 +194,13 @@ public class Syncer<T> : ISyncer where T : class, IDataModel, new()
}
}
if (entry == null) return;
if (entry == null) continue;
entry.MarshalData(entry.Id(), entryObject);
if (_entries.Any(x => x.EqualId(entry.Id())))
{
var data = _entries.First(x => x.EqualId(entry.Id()));
if (data.Equals(entry)) return;
if (data.Equals(entry)) continue;
Log.Information("Updated File Entry {EntryId} updated for {DbName}", entry.Id(), _dbName);
_entries.RemoveAll(x => x.EqualId(entry.Id()));
}
@ -199,6 +209,8 @@ public class Syncer<T> : ISyncer where T : class, IDataModel, new()
_entries.Add(entry);
await _client.PostJsonAsync<T>(_restEndpoint, entry);
_lastLineCount = i;
}
}
public void Sync()