DMM Offline (#198)

* Process DMM all locally

single call to github to download the repo archive.
remove need for PAT
update RTN to 0.2.13
change to batch_parse for title parsing from RTN

* introduce concurrent dictionary, and parallelism

deployment/docker/docker-compose.yaml

@@ -94,7 +94,7 @@ services:
         condition: service_healthy
     env_file: stack.env
     hostname: knightcrawler-addon
-    image: gabisonfire/knightcrawler-addon:2.0.19
+    image: gabisonfire/knightcrawler-addon:2.0.20
     labels:
       logging: promtail
     networks:
@@ -117,7 +117,7 @@ services:
       redis:
         condition: service_healthy
     env_file: stack.env
-    image: gabisonfire/knightcrawler-consumer:2.0.19
+    image: gabisonfire/knightcrawler-consumer:2.0.20
     labels:
       logging: promtail
     networks:
@@ -138,7 +138,7 @@ services:
       redis:
         condition: service_healthy
     env_file: stack.env
-    image: gabisonfire/knightcrawler-debrid-collector:2.0.19
+    image: gabisonfire/knightcrawler-debrid-collector:2.0.20
     labels:
       logging: promtail
     networks:
@@ -152,7 +152,7 @@ services:
       migrator:
         condition: service_completed_successfully
     env_file: stack.env
-    image: gabisonfire/knightcrawler-metadata:2.0.19
+    image: gabisonfire/knightcrawler-metadata:2.0.20
     networks:
       - knightcrawler-network
     restart: "no"
@@ -163,7 +163,7 @@ services:
       postgres:
         condition: service_healthy
     env_file: stack.env
-    image: gabisonfire/knightcrawler-migrator:2.0.19
+    image: gabisonfire/knightcrawler-migrator:2.0.20
     networks:
       - knightcrawler-network
     restart: "no"
@@ -182,7 +182,7 @@ services:
       redis:
         condition: service_healthy
     env_file: stack.env
-    image: gabisonfire/knightcrawler-producer:2.0.19
+    image: gabisonfire/knightcrawler-producer:2.0.20
     labels:
       logging: promtail
     networks:
@@ -207,7 +207,7 @@ services:
     deploy:
       replicas: ${QBIT_REPLICAS:-0}
     env_file: stack.env
-    image: gabisonfire/knightcrawler-qbit-collector:2.0.19
+    image: gabisonfire/knightcrawler-qbit-collector:2.0.20
     labels:
       logging: promtail
     networks:

deployment/docker/src/components/knightcrawler.yaml

@@ -20,7 +20,7 @@ x-depends: &knightcrawler-app-depends
 
 services:
   metadata:
-    image: gabisonfire/knightcrawler-metadata:2.0.18
+    image: gabisonfire/knightcrawler-metadata:2.0.20
     env_file: ../../.env
     networks:
       - knightcrawler-network
@@ -30,7 +30,7 @@ services:
         condition: service_completed_successfully
 
   migrator:
-    image: gabisonfire/knightcrawler-migrator:2.0.18
+    image: gabisonfire/knightcrawler-migrator:2.0.20
     env_file: ../../.env
     networks:
       - knightcrawler-network
@@ -40,7 +40,7 @@ services:
         condition: service_healthy
 
   addon:
-    image: gabisonfire/knightcrawler-addon:2.0.18
+    image: gabisonfire/knightcrawler-addon:2.0.20
     <<: [*knightcrawler-app, *knightcrawler-app-depends]
     restart: unless-stopped
     hostname: knightcrawler-addon
@@ -48,22 +48,22 @@ services:
       - "7000:7000"
 
   consumer:
-    image: gabisonfire/knightcrawler-consumer:2.0.18
+    image: gabisonfire/knightcrawler-consumer:2.0.20
     <<: [*knightcrawler-app, *knightcrawler-app-depends]
     restart: unless-stopped
 
   debridcollector:
-    image: gabisonfire/knightcrawler-debrid-collector:2.0.18
+    image: gabisonfire/knightcrawler-debrid-collector:2.0.20
     <<: [*knightcrawler-app, *knightcrawler-app-depends]
     restart: unless-stopped
         
   producer:
-    image: gabisonfire/knightcrawler-producer:2.0.18
+    image: gabisonfire/knightcrawler-producer:2.0.20
     <<: [*knightcrawler-app, *knightcrawler-app-depends]
     restart: unless-stopped
 
   qbitcollector:
-    image: gabisonfire/knightcrawler-qbit-collector:2.0.18
+    image: gabisonfire/knightcrawler-qbit-collector:2.0.20
     <<: [*knightcrawler-app, *knightcrawler-app-depends]
     restart: unless-stopped
     depends_on:

deployment/docker/stack.env

@@ -38,6 +38,3 @@ QBIT_REPLICAS=0
 
 # Addon
 DEBUG_MODE=false
-
-# Producer
-GITHUB_PAT=

src/debrid-collector/requirements.txt

@@ -1 +1 @@
-rank-torrent-name==0.2.11
+rank-torrent-name==0.2.13

src/producer/src/Configuration/scrapers.json

@@ -28,7 +28,7 @@
       },
       {
         "Name": "SyncDmmJob",
-        "IntervalSeconds": 1800,
+        "IntervalSeconds": 10800,
         "Enabled": true
       },
       {

src/producer/src/Features/Crawlers/Dmm/DMMFileDownloader.cs

@@ -0,0 +1,70 @@
+namespace Producer.Features.Crawlers.Dmm;
+
+public class DMMFileDownloader(HttpClient client, ILogger<DMMFileDownloader> logger) : IDMMFileDownloader
+{
+    private const string Filename = "main.zip";
+    private readonly IReadOnlyCollection<string> _filesToIgnore = [
+        "index.html",
+        "404.html",
+        "dedupe.sh",
+        "CNAME",
+    ];
+    
+    public const string ClientName = "DmmFileDownloader";
+    
+    public async Task<string> DownloadFileToTempPath(CancellationToken cancellationToken)
+    {
+        logger.LogInformation("Downloading DMM Hashlists");
+        
+        var response = await client.GetAsync(Filename, cancellationToken);
+
+        var tempDirectory = Path.Combine(Path.GetTempPath(), "DMMHashlists");
+
+        EnsureDirectoryIsClean(tempDirectory);
+
+        response.EnsureSuccessStatusCode();
+
+        await using var stream = await response.Content.ReadAsStreamAsync(cancellationToken);
+        using var archive = new ZipArchive(stream);
+        
+        logger.LogInformation("Extracting DMM Hashlists to {TempDirectory}", tempDirectory);
+
+        foreach (var entry in archive.Entries)
+        {
+            var entryPath = Path.Combine(tempDirectory, Path.GetFileName(entry.FullName));
+            if (!entry.FullName.EndsWith('/')) // It's a file
+            {
+                entry.ExtractToFile(entryPath, true);
+            }
+        }
+
+        foreach (var file in _filesToIgnore)
+        {
+            CleanRepoExtras(tempDirectory, file);    
+        }
+        
+        logger.LogInformation("Downloaded and extracted Repository to {TempDirectory}", tempDirectory);
+
+        return tempDirectory;
+    }
+
+    private static void CleanRepoExtras(string tempDirectory, string fileName)
+    {
+        var repoIndex = Path.Combine(tempDirectory, fileName);
+
+        if (File.Exists(repoIndex))
+        {
+            File.Delete(repoIndex);
+        }
+    }
+
+    private static void EnsureDirectoryIsClean(string tempDirectory)
+    {
+        if (Directory.Exists(tempDirectory))
+        {
+            Directory.Delete(tempDirectory, true);
+        }
+
+        Directory.CreateDirectory(tempDirectory);
+    }
+}

src/producer/src/Features/Crawlers/Dmm/DMMHttpClient.cs

@@ -0,0 +1,6 @@
+namespace Producer.Features.Crawlers.Dmm;
+
+public class DMMHttpClient
+{
+    
+}

src/producer/src/Features/Crawlers/Dmm/DebridMediaManagerCrawler.cs

@@ -1,64 +1,99 @@
 namespace Producer.Features.Crawlers.Dmm;
 
 public partial class DebridMediaManagerCrawler(
-    IHttpClientFactory httpClientFactory,
+    IDMMFileDownloader dmmFileDownloader,
     ILogger<DebridMediaManagerCrawler> logger,
     IDataStorage storage,
-    GithubConfiguration githubConfiguration,
     IRankTorrentName rankTorrentName,
     IDistributedCache cache) : BaseCrawler(logger, storage)
 {
     [GeneratedRegex("""<iframe src="https:\/\/debridmediamanager.com\/hashlist#(.*)"></iframe>""")]
     private static partial Regex HashCollectionMatcher();
-
+    protected override string Url => "";
-    private const string DownloadBaseUrl = "https://raw.githubusercontent.com/debridmediamanager/hashlists/main";
     protected override IReadOnlyDictionary<string, string> Mappings => new Dictionary<string, string>();
-    protected override string Url => "https://api.github.com/repos/debridmediamanager/hashlists/git/trees/main?recursive=1";
     protected override string Source => "DMM";
 
+    private const int ParallelismCount = 4;
+    
     public override async Task Execute()
     {
-        var client = httpClientFactory.CreateClient("Scraper");
+        var tempDirectory = await dmmFileDownloader.DownloadFileToTempPath(CancellationToken.None);
-        client.DefaultRequestHeaders.Authorization = new("Bearer", githubConfiguration.PAT);
-        client.DefaultRequestHeaders.UserAgent.ParseAdd("curl");
 
-        var jsonBody = await client.GetStringAsync(Url);
+        var files = Directory.GetFiles(tempDirectory, "*.html", SearchOption.AllDirectories);
 
-        var json =  JsonDocument.Parse(jsonBody);
+        logger.LogInformation("Found {Files} files to parse", files.Length);
 
-        var entriesArray = json.RootElement.GetProperty("tree");
+        var options = new ParallelOptions { MaxDegreeOfParallelism = ParallelismCount };
         
-        logger.LogInformation("Found {Entries} total DMM pages", entriesArray.GetArrayLength());
+        await Parallel.ForEachAsync(files, options, async (file, token) =>
-
-        foreach (var entry in entriesArray.EnumerateArray())
         {
-            await ParsePage(entry, client);
+            var fileName = Path.GetFileName(file);
-        }
+            var torrentDictionary = await ExtractPageContents(file, fileName);
-    }
 
-    private async Task ParsePage(JsonElement entry, HttpClient client)
+            if (torrentDictionary == null)
-    {
-        var (pageIngested, name) = await IsAlreadyIngested(entry);
-
-        if (string.IsNullOrEmpty(name) || pageIngested)
             {
                 return;
             }
 
-        var pageSource = await client.GetStringAsync($"{DownloadBaseUrl}/{name}");
+            await ParseTitlesWithRtn(fileName, torrentDictionary);
+            var results = await ParseTorrents(torrentDictionary);
 
-        await ExtractPageContents(pageSource, name);
+            if (results.Count <= 0)
+            {
+                return;
             }
 
-    private async Task ExtractPageContents(string pageSource, string name)
+            await InsertTorrents(results);
+            await Storage.MarkPageAsIngested(fileName, token);
+        });
+    }
+
+    private async Task ParseTitlesWithRtn(string fileName, IDictionary<string, DmmContent> page)
     {
+        logger.LogInformation("Parsing titles for {Page}", fileName);
+
+        var batchProcessables = page.Select(value => new RtnBatchProcessable(value.Key, value.Value.Filename)).ToList();
+        var parsedResponses = rankTorrentName.BatchParse(
+            batchProcessables.Select<RtnBatchProcessable, string>(bp => bp.Filename).ToList(), trashGarbage: false);
+
+        // Filter out unsuccessful responses and match RawTitle to requesting title
+        var successfulResponses = parsedResponses
+            .Where(response => response != null && response.Success)
+            .GroupBy(response => response.Response.RawTitle!)
+            .ToDictionary(group => group.Key, group => group.First());
+
+        var options = new ParallelOptions { MaxDegreeOfParallelism = ParallelismCount };
+
+        await Parallel.ForEachAsync(batchProcessables.Select(t => t.InfoHash), options, (infoHash, _) =>
+        {
+            if (page.TryGetValue(infoHash, out var dmmContent) &&
+                successfulResponses.TryGetValue(dmmContent.Filename, out var parsedResponse))
+            {
+                page[infoHash] = dmmContent with {ParseResponse = parsedResponse};
+            }
+            
+            return ValueTask.CompletedTask;
+        });
+    }
+
+    private async Task<ConcurrentDictionary<string, DmmContent>?> ExtractPageContents(string filePath, string filenameOnly)
+    {
+        var (pageIngested, name) = await IsAlreadyIngested(filenameOnly);
+
+        if (pageIngested)
+        {
+            return [];
+        }
+
+        var pageSource = await File.ReadAllTextAsync(filePath);
+        
         var match = HashCollectionMatcher().Match(pageSource);
 
         if (!match.Success)
         {
             logger.LogWarning("Failed to match hash collection for {Name}", name);
-            await Storage.MarkPageAsIngested(name);
+            await Storage.MarkPageAsIngested(filenameOnly);
-            return;
+            return [];
         }
 
         var encodedJson = match.Groups.Values.ElementAtOrDefault(1);
@@ -66,90 +101,92 @@ public partial class DebridMediaManagerCrawler(
         if (string.IsNullOrEmpty(encodedJson?.Value))
         {
             logger.LogWarning("Failed to extract encoded json for {Name}", name);
-            return;
+            return [];
         }
 
-        await ProcessExtractedContentsAsTorrentCollection(encodedJson.Value, name);
+        var decodedJson = LZString.DecompressFromEncodedURIComponent(encodedJson.Value);
-    }
-
-    private async Task ProcessExtractedContentsAsTorrentCollection(string encodedJson, string name)
-    {
-        var decodedJson = LZString.DecompressFromEncodedURIComponent(encodedJson);
 
         var json = JsonDocument.Parse(decodedJson);
         
-        await InsertTorrentsForPage(json);
+        var torrents = await json.RootElement.EnumerateArray()
+            .ToAsyncEnumerable()
+            .Select(ParsePageContent)
+            .Where(t => t is not null)
+            .ToListAsync();
 
-        var result = await Storage.MarkPageAsIngested(name);
+        if (torrents.Count == 0)
-
+        {
-        if (!result.IsSuccess)
+            logger.LogWarning("No torrents found in {Name}", name);
+            await Storage.MarkPageAsIngested(filenameOnly);
+            return [];
+        }
+        
+        var torrentDictionary = torrents
+            .Where(x => x is not null)
+            .GroupBy(x => x.InfoHash)
+            .ToConcurrentDictionary(g => g.Key, g => new DmmContent(g.First().Filename, g.First().Bytes, null));
+
+        logger.LogInformation("Parsed {Torrents} torrents for {Name}", torrentDictionary.Count, name);
+
+        return torrentDictionary;
+    }
+
+    private async Task<List<IngestedTorrent>> ParseTorrents(IDictionary<string, DmmContent> page)
+    {
+        var ingestedTorrents = new List<IngestedTorrent>();
+
+        var options = new ParallelOptions { MaxDegreeOfParallelism = ParallelismCount };
+
+        await Parallel.ForEachAsync(page, options, async (kvp, ct) =>
+        {
+            var (infoHash, dmmContent) = kvp;
+            var parsedTorrent = dmmContent.ParseResponse;
+            if (parsedTorrent is not {Success: true})
             {
-            logger.LogWarning("Failed to mark page as ingested: [{Error}]", result.Failure.ErrorMessage);
                 return;
             }
 
-        logger.LogInformation("Successfully marked page as ingested");
-    }
-
-    private async Task<IngestedTorrent?> ParseTorrent(JsonElement item)
-    {
-
-        if (!item.TryGetProperty("filename", out var filenameElement) ||
-            !item.TryGetProperty("bytes", out var bytesElement) ||
-            !item.TryGetProperty("hash", out var hashElement))
-        {
-            return null;
-        }
-
-        var torrentTitle = filenameElement.GetString();
-
-        if (torrentTitle.IsNullOrEmpty())
-        {
-            return null;
-        }
-        
-        var parsedTorrent = rankTorrentName.Parse(torrentTitle);
-        
-        if (!parsedTorrent.Success)
-        {
-            return null;
-        }
-        
             var torrentType = parsedTorrent.Response.IsMovie ? "movie" : "tvSeries";
-        
             var cacheKey = GetCacheKey(torrentType, parsedTorrent.Response.ParsedTitle, parsedTorrent.Response.Year);
-        
             var (cached, cachedResult) = await CheckIfInCacheAndReturn(cacheKey);
 
             if (cached)
             {
                 logger.LogInformation("[{ImdbId}] Found cached imdb result for {Title}", cachedResult.ImdbId, parsedTorrent.Response.ParsedTitle);
-            return MapToTorrent(cachedResult, bytesElement, hashElement, parsedTorrent);
+                lock (ingestedTorrents)
+                {
+                    ingestedTorrents.Add(MapToTorrent(cachedResult, dmmContent.Bytes, infoHash, parsedTorrent));
+                }
+                return;
             }
 
             int? year = parsedTorrent.Response.Year != 0 ? parsedTorrent.Response.Year : null;
-        var imdbEntry = await Storage.FindImdbMetadata(parsedTorrent.Response.ParsedTitle, torrentType, year);
+            var imdbEntry = await Storage.FindImdbMetadata(parsedTorrent.Response.ParsedTitle, torrentType, year, ct);
 
             if (imdbEntry is null)
             {
-            return null;
+                return;
             }
 
             await AddToCache(cacheKey, imdbEntry);
-        
             logger.LogInformation("[{ImdbId}] Found best match for {Title}: {BestMatch} with score {Score}", imdbEntry.ImdbId, parsedTorrent.Response.ParsedTitle, imdbEntry.Title, imdbEntry.Score);
+            lock (ingestedTorrents)
+            {
+                ingestedTorrents.Add(MapToTorrent(imdbEntry, dmmContent.Bytes, infoHash, parsedTorrent));
+            }
+        });
 
-        return MapToTorrent(imdbEntry, bytesElement, hashElement, parsedTorrent);
+        return ingestedTorrents;
     }
 
-    private IngestedTorrent MapToTorrent(ImdbEntry result, JsonElement bytesElement, JsonElement hashElement, ParseTorrentTitleResponse parsedTorrent) =>
+    private IngestedTorrent MapToTorrent(ImdbEntry result, long size, string infoHash, ParseTorrentTitleResponse parsedTorrent) =>
         new()
         {
             Source = Source,
             Name = result.Title,
             Imdb = result.ImdbId,
-            Size = bytesElement.GetInt64().ToString(),
+            Size = size.ToString(),
-            InfoHash = hashElement.ToString(),
+            InfoHash = infoHash,
             Seeders = 0,
             Leechers = 0,
             Category = AssignCategory(result),
@@ -179,35 +216,11 @@ public partial class DebridMediaManagerCrawler(
         return (false, null);
     }
 
-    private async Task InsertTorrentsForPage(JsonDocument json)
+    private async Task<(bool Success, string? Name)> IsAlreadyIngested(string filename)
     {
-        var torrents = await json.RootElement.EnumerateArray()
+        var pageIngested = await Storage.PageIngested(filename);
-            .ToAsyncEnumerable()
-            .SelectAwait(async x => await ParseTorrent(x))
-            .Where(t => t is not null)
-            .ToListAsync();
 
-        if (torrents.Count == 0)
+        return (pageIngested, filename);
-        {
-            logger.LogWarning("No torrents found in {Source} response", Source);
-            return;
-        }
-
-        await InsertTorrents(torrents!);
-    }
-
-    private async Task<(bool Success, string? Name)> IsAlreadyIngested(JsonElement entry)
-    {
-        var name = entry.GetProperty("path").GetString();
-
-        if (string.IsNullOrEmpty(name))
-        {
-            return (false, null);
-        }
-
-        var pageIngested = await Storage.PageIngested(name);
-
-        return (pageIngested, name);
     }
     
     private static string AssignCategory(ImdbEntry entry) =>
@@ -219,4 +232,20 @@ public partial class DebridMediaManagerCrawler(
         };
     
     private static string GetCacheKey(string category, string title, int year) => $"{category.ToLowerInvariant()}:{year}:{title.ToLowerInvariant()}";
+    
+    private static ExtractedDMMContent? ParsePageContent(JsonElement item)
+    {
+        if (!item.TryGetProperty("filename", out var filenameElement) ||
+            !item.TryGetProperty("bytes", out var bytesElement) ||
+            !item.TryGetProperty("hash", out var hashElement))
+        {
+            return null;
+        }
+        
+        return new(filenameElement.GetString(), bytesElement.GetInt64(), hashElement.GetString());
+    }
+    
+    private record DmmContent(string Filename, long Bytes, ParseTorrentTitleResponse? ParseResponse);
+    private record ExtractedDMMContent(string Filename, long Bytes, string InfoHash);
+    private record RtnBatchProcessable(string InfoHash, string Filename);
 }

src/producer/src/Features/Crawlers/Dmm/GithubConfiguration.cs

@@ -1,9 +0,0 @@
-namespace Producer.Features.Crawlers.Dmm;
-
-public class GithubConfiguration
-{
-    private const string Prefix = "GITHUB";
-    private const string PatVariable = "PAT";
-
-    public string? PAT { get; init; } =  Prefix.GetOptionalEnvironmentVariableAsString(PatVariable);
-}

src/producer/src/Features/Crawlers/Dmm/IDMMFileDownloader.cs

@@ -0,0 +1,6 @@
+namespace Producer.Features.Crawlers.Dmm;
+
+public interface IDMMFileDownloader
+{
+    Task<string> DownloadFileToTempPath(CancellationToken cancellationToken);
+}

src/producer/src/Features/Crawlers/Dmm/ServiceCollectionExtensions.cs

@@ -0,0 +1,16 @@
+namespace Producer.Features.Crawlers.Dmm;
+
+public static class ServiceCollectionExtensions
+{
+    public static IServiceCollection AddDmmSupport(this IServiceCollection services)
+    {
+        services.AddHttpClient<IDMMFileDownloader, DMMFileDownloader>(DMMFileDownloader.ClientName, client =>
+        {
+            client.BaseAddress = new("https://github.com/debridmediamanager/hashlists/zipball/main/");
+            client.DefaultRequestHeaders.Add("Accept-Encoding", "gzip");
+            client.DefaultRequestHeaders.UserAgent.ParseAdd("curl");
+        });
+
+        return services;
+    }
+}

src/producer/src/Features/JobSupport/ServiceCollectionExtensions.cs

@@ -5,7 +5,6 @@ internal static class ServiceCollectionExtensions
     internal static IServiceCollection AddQuartz(this IServiceCollection services, IConfiguration configuration)
     {
         var scrapeConfiguration = services.LoadConfigurationFromConfig<ScrapeConfiguration>(configuration, ScrapeConfiguration.SectionName);
-        var githubConfiguration = services.LoadConfigurationFromEnv<GithubConfiguration>();
         var rabbitConfiguration = services.LoadConfigurationFromEnv<RabbitMqConfiguration>();
 
         var jobTypes = Assembly.GetAssembly(typeof(BaseJob))
@@ -19,18 +18,13 @@ internal static class ServiceCollectionExtensions
             services.AddTransient(type);
         }
 
-        if (!string.IsNullOrEmpty(githubConfiguration.PAT))
-        {
-            services.AddTransient<SyncDmmJob>();
-        }
-
         var openMethod = typeof(ServiceCollectionExtensions).GetMethod(nameof(AddJobWithTrigger), BindingFlags.NonPublic | BindingFlags.Static | BindingFlags.Instance);
 
         services.AddQuartz(
             quartz =>
             {
                 RegisterAutomaticRegistrationJobs(jobTypes, openMethod, quartz, scrapeConfiguration);
-                RegisterDmmJob(githubConfiguration, quartz, scrapeConfiguration);
+                RegisterDmmJob(quartz, scrapeConfiguration);
                 RegisterTorrentioJob(services, quartz, configuration, scrapeConfiguration);
                 RegisterPublisher(quartz, rabbitConfiguration);
             });
@@ -64,13 +58,8 @@ internal static class ServiceCollectionExtensions
         }
     }
 
-    private static void RegisterDmmJob(GithubConfiguration githubConfiguration, IServiceCollectionQuartzConfigurator quartz, ScrapeConfiguration scrapeConfiguration)
+    private static void RegisterDmmJob(IServiceCollectionQuartzConfigurator quartz, ScrapeConfiguration scrapeConfiguration) => 
-    {
-        if (!string.IsNullOrEmpty(githubConfiguration.PAT))
-        {
         AddJobWithTrigger<SyncDmmJob>(quartz, SyncDmmJob.Key, SyncDmmJob.Trigger, scrapeConfiguration);
-        }
-    }
 
     private static void RegisterTorrentioJob(
         IServiceCollection services,

src/producer/src/GlobalUsings.cs

@@ -1,12 +1,12 @@
 // Global using directives
 
+global using System.Collections.Concurrent;
+global using System.IO.Compression;
 global using System.Reflection;
 global using System.Text;
 global using System.Text.Json;
 global using System.Text.RegularExpressions;
 global using System.Xml.Linq;
-global using FuzzySharp;
-global using FuzzySharp.Extractor;
 global using FuzzySharp.PreProcess;
 global using FuzzySharp.SimilarityRatio.Scorer;
 global using FuzzySharp.SimilarityRatio.Scorer.StrategySensitive;

src/producer/src/Program.cs

@@ -12,6 +12,7 @@ builder.Services
     .RegisterMassTransit()
     .AddDataStorage()
     .AddCrawlers()
+    .AddDmmSupport()
     .AddQuartz(builder.Configuration);
 
 var app = builder.Build();

src/producer/src/requirements.txt

@@ -1 +1 @@
-rank-torrent-name==0.2.11
+rank-torrent-name==0.2.13

src/qbit-collector/requirements.txt

@@ -1 +1 @@
-rank-torrent-name==0.2.11
+rank-torrent-name==0.2.13

src/shared/Extensions/DictionaryExtensions.cs

@@ -0,0 +1,19 @@
+namespace SharedContracts.Extensions;
+
+public static class DictionaryExtensions
+{
+    public static ConcurrentDictionary<TKey, TValue> ToConcurrentDictionary<TSource, TKey, TValue>(
+        this IEnumerable<TSource> source,
+        Func<TSource, TKey> keySelector,
+        Func<TSource, TValue> valueSelector) where TKey : notnull
+    {
+        var concurrentDictionary = new ConcurrentDictionary<TKey, TValue>();
+
+        foreach (var element in source)
+        {
+            concurrentDictionary.TryAdd(keySelector(element), valueSelector(element));
+        }
+
+        return concurrentDictionary;
+    }
+}

src/shared/GlobalUsings.cs

@@ -1,5 +1,6 @@
 // Global using directives
 
+global using System.Collections.Concurrent;
 global using System.Text.Json;
 global using System.Text.Json.Serialization;
 global using System.Text.RegularExpressions;

src/shared/Python/RTN/IRankTorrentName.cs

@@ -2,5 +2,6 @@ namespace SharedContracts.Python.RTN;
 
 public interface IRankTorrentName
 {
-    ParseTorrentTitleResponse Parse(string title, bool trashGarbage = true);
+    ParseTorrentTitleResponse Parse(string title, bool trashGarbage = true, bool logErrors = false, bool throwOnErrors = false);
+    List<ParseTorrentTitleResponse?> BatchParse(IReadOnlyCollection<string> titles, int chunkSize = 500, int workers = 20, bool trashGarbage = true, bool logErrors = false, bool throwOnErrors = false);
 }

src/shared/Python/RTN/RankTorrentName.cs

@@ -13,15 +13,71 @@ public class RankTorrentName : IRankTorrentName
         InitModules();
     }
 
-    public ParseTorrentTitleResponse Parse(string title, bool trashGarbage = true) =>
+    public ParseTorrentTitleResponse Parse(string title, bool trashGarbage = true, bool logErrors = false, bool throwOnErrors = false)
-        _pythonEngineService.ExecutePythonOperationWithDefault(
-            () =>
     {
+        try
+        {
+            using var gil = Py.GIL();
             var result = _rtn?.parse(title, trashGarbage);
             return ParseResult(result);
-            }, new ParseTorrentTitleResponse(false, null), nameof(Parse), throwOnErrors: false, logErrors: false);
+        }
+        catch (Exception ex)
+        {
+            if (logErrors)
+            {
+                _pythonEngineService.Logger.LogError(ex, "Python Error: {Message} ({OperationName})", ex.Message, nameof(Parse));
+            }
             
-    private static ParseTorrentTitleResponse ParseResult(dynamic result)
+            if (throwOnErrors)
+            {
+                throw;
+            }
+
+            return new(false, null);
+        }
+    }
+    
+    public List<ParseTorrentTitleResponse?> BatchParse(IReadOnlyCollection<string> titles, int chunkSize = 500, int workers = 20, bool trashGarbage = true, bool logErrors = false, bool throwOnErrors = false)
+    {
+        var responses = new List<ParseTorrentTitleResponse?>();
+
+        try
+        {
+            if (titles.Count == 0)
+            {
+                return responses;
+            }
+
+            using var gil = Py.GIL();
+            var pythonList = new PyList(titles.Select(x => new PyString(x).As<PyObject>()).ToArray());
+            PyList results = _rtn?.batch_parse(pythonList, trashGarbage, chunkSize, workers);
+
+            if (results == null)
+            {
+                return responses;
+            }
+
+            responses.AddRange(results.Select(ParseResult));
+        }
+        catch (Exception ex)
+        {
+            if (logErrors)
+            {
+                _pythonEngineService.Logger.LogError(ex, "Python Error: {Message} ({OperationName})", ex.Message, nameof(Parse));
+            }
+            
+            if (throwOnErrors)
+            {
+                throw;
+            }
+        }
+
+        return responses;
+    }
+
+    private static ParseTorrentTitleResponse? ParseResult(dynamic result)
+    {
+        try
         {
             if (result == null)
             {
@@ -48,6 +104,11 @@ public class RankTorrentName : IRankTorrentName
         
             return new(true, response);
         }
+        catch
+        {
+            return new(false, null);
+        }
+    }
 
     private void InitModules() => 
         _rtn =