Multiple pubfile support

Author: js6pak

DepotDownloader/ContentDownloader.cs

@@ -379,21 +379,24 @@ public static void ShutdownSteam3()
             steam3.Disconnect();
         }
 
-        public static async Task DownloadPubfileAsync(uint appId, ulong publishedFileId)
+        public static async Task DownloadPubfileAsync(uint appId, ulong[] publishedFileIds)
         {
-            var details = steam3.GetPublishedFileDetails(appId, publishedFileId);
+            var list = steam3.GetPublishedFileDetails(appId, publishedFileIds);
 
-            if (!string.IsNullOrEmpty(details?.file_url))
+            foreach (var details in list)
             {
-                await DownloadWebFile(appId, details.filename, details.file_url);
-            }
-            else if (details?.hcontent_file > 0)
-            {
-                await DownloadAppAsync(appId, new List<(uint, ulong)> { (appId, details.hcontent_file) }, DEFAULT_BRANCH, null, null, null, false, true);
-            }
-            else
-            {
-                Console.WriteLine("Unable to locate manifest ID for published file {0}", publishedFileId);
+                if (!string.IsNullOrEmpty(details?.file_url))
+                {
+                    await DownloadWebFile(appId, details.filename, details.file_url);
+                }
+                else if (details?.hcontent_file > 0)
+                {
+                    await DownloadAppAsync(appId, new List<(uint, ulong)> { (appId, details.hcontent_file) }, DEFAULT_BRANCH, null, null, null, false, true);
+                }
+                else
+                {
+                    Console.WriteLine("Unable to locate manifest ID for published file {0}", details?.publishedfileid);
+                }
             }
         }
 

DepotDownloader/Program.cs

@@ -29,7 +29,7 @@ public static Task<int> Main(string[] args)
                 new Option<ulong[]>("--manifest", "Manifest id of content to download (requires --depot, default: current for branch)"),
 
                 new Option<ulong?>("--ugc", "The UGC ID to download"),
-                new Option<ulong?>("--pubfile", "The PublishedFileId to download (will automatically resolve to UGC id)"),
+                new Option<ulong[]>("--pubfile", "The PublishedFileId to download (will automatically resolve to UGC id)"),
 
                 new Option<string?>(new[] { "--branch", "--beta" }, "Download from specified branch if available"),
                 new Option<string?>(new[] { "--branch-password", "--betapassword" }, "Branch password if applicable"),
@@ -90,14 +90,14 @@ protected override void AddUsage(ICommand command)
 
         public class InputModel
         {
-            public InputModel(bool debug, uint app, uint[] depot, ulong[] manifest, ulong? ugc, ulong? pubfile, string? branch, string? branchPassword, string[] os, string[] arch, string[] language, bool lowViolence, string? username, string? password, bool rememberPassword, string directory, FileInfo? fileList, bool validate, bool manifestOnly, int? cellId, int maxServers, int maxDownloads, uint? loginId)
+            public InputModel(bool debug, uint app, uint[] depot, ulong[] manifest, ulong? ugc, ulong[] pubfile, string? branch, string? branchPassword, string[] os, string[] arch, string[] language, bool lowViolence, string? username, string? password, bool rememberPassword, DirectoryInfo? directory, FileInfo? fileList, bool validate, bool manifestOnly, int? cellId, int maxServers, int maxDownloads, uint? loginId)
             {
                 Debug = debug;
                 AppId = app;
                 Depots = depot;
                 Manifests = manifest;
                 UgcId = ugc;
-                Pubfile = pubfile;
+                PublishedFileIds = pubfile;
                 Branch = EnsureNonEmpty(branch);
                 BranchPassword = EnsureNonEmpty(branchPassword);
                 OperatingSystems = os;
@@ -131,7 +131,7 @@ public InputModel(bool debug, uint app, uint[] depot, ulong[] manifest, ulong? u
             public ulong[] Manifests { get; }
 
             public ulong? UgcId { get; }
-            public ulong? Pubfile { get; }
+            public ulong[] PublishedFileIds { get; }
 
             public string? Branch { get; }
             public string? BranchPassword { get; }
@@ -223,9 +223,9 @@ public static async Task<int> DownloadAsync(InputModel input)
             {
                 try
                 {
-                    if (input.Pubfile != null)
+                    if (input.PublishedFileIds.Any())
                     {
-                        await ContentDownloader.DownloadPubfileAsync(input.AppId, input.Pubfile.Value).ConfigureAwait(false);
+                        await ContentDownloader.DownloadPubfileAsync(input.AppId, input.PublishedFileIds).ConfigureAwait(false);
                     }
                     else if (input.UgcId != null)
                     {

DepotDownloader/Steam3Session.cs

@@ -384,25 +384,25 @@ public void CheckAppBetaPassword(uint appid, string password)
             }, () => { return completed; });
         }
 
-        public PublishedFileDetails GetPublishedFileDetails(uint appId, PublishedFileID pubFile)
+        public List<PublishedFileDetails> GetPublishedFileDetails(uint appId, ulong[] publishedFileIds)
         {
             var pubFileRequest = new CPublishedFile_GetDetails_Request { appid = appId };
-            pubFileRequest.publishedfileids.Add(pubFile);
+            pubFileRequest.publishedfileids.AddRange(publishedFileIds);
 
             var completed = false;
-            PublishedFileDetails details = null;
+            List<PublishedFileDetails> details = null;
 
             Action<SteamUnifiedMessages.ServiceMethodResponse> cbMethod = callback =>
             {
                 completed = true;
                 if (callback.Result == EResult.OK)
                 {
                     var response = callback.GetDeserializedResponse<CPublishedFile_GetDetails_Response>();
-                    details = response.publishedfiledetails.FirstOrDefault();
+                    details = response.publishedfiledetails;
                 }
                 else
                 {
-                    throw new Exception($"EResult {(int)callback.Result} ({callback.Result}) while retrieving file details for pubfile {pubFile}.");
+                    throw new Exception($"EResult {(int)callback.Result} ({callback.Result}) while retrieving file details for pubfiles [{string.Join(", ", publishedFileIds)}].");
                 }
             };