WebUI: fix adding torrent when using virtual tables

When using virtual tables we can't rely on fetching the values from the DOM. We should always fetch values directly from the file tree.

PR #23263.
Closes #23241.

src/webui/www/private/addtorrent.html

@@ -85,10 +85,7 @@
             });
 
             window.qBittorrent.pathAutofill.attachPathAutofill();
-            window.qBittorrent.TorrentContent.init("addTorrentFilesTableDiv", window.qBittorrent.DynamicTable.AddTorrentFilesTable);
-
-            if (fetchMetadata)
-                window.qBittorrent.AddTorrent.loadMetadata(source, downloader);
+            window.qBittorrent.AddTorrent.init(source, downloader, fetchMetadata);
         });
     </script>
 

src/webui/www/private/scripts/addtorrent.js

@@ -29,14 +29,15 @@ window.qBittorrent.AddTorrent ??= (() => {
         return {
             changeCategorySelect: changeCategorySelect,
             changeTMM: changeTMM,
-            loadMetadata: loadMetadata,
             metadataCompleted: metadataCompleted,
             populateMetadata: populateMetadata,
             setWindowId: setWindowId,
-            submitForm: submitForm
+            submitForm: submitForm,
+            init: init
         };
     };
 
+    let table = null;
     let defaultSavePath = "";
     let defaultTempPath = "";
     let defaultTempPathEnabled = false;
@@ -307,10 +308,10 @@ window.qBittorrent.AddTorrent ??= (() => {
         document.getElementById("dlLimitHidden").value = Number(document.getElementById("dlLimitText").value) * 1024;
         document.getElementById("upLimitHidden").value = Number(document.getElementById("upLimitText").value) * 1024;
 
-        document.getElementById("filePriorities").value = [...document.getElementsByClassName("combo_priority")]
-            .filter((el) => !window.qBittorrent.TorrentContent.isFolder(Number(el.dataset.fileId)))
-            .sort((el1, el2) => Number(el1.dataset.fileId) - Number(el2.dataset.fileId))
-            .map((el) => Number(el.value));
+        document.getElementById("filePriorities").value = table.getFileTreeArray()
+            .filter((node) => !node.isFolder)
+            .sort((node1, node2) => (node1.fileId - node2.fileId))
+            .map((node) => node.priority);
 
         if (!isAutoTMMEnabled())
             document.getElementById("useDownloadPathHidden").value = document.getElementById("useDownloadPath").checked;
@@ -326,6 +327,12 @@ window.qBittorrent.AddTorrent ??= (() => {
         }
     };
 
+    const init = (source, downloader, fetchMetadata) => {
+        table = window.qBittorrent.TorrentContent.init("addTorrentFilesTableDiv", window.qBittorrent.DynamicTable.AddTorrentFilesTable);
+        if (fetchMetadata)
+            loadMetadata(source, downloader);
+    };
+
     window.addEventListener("load", async (event) => {
         // user might load this page directly (via browser magnet handler)
         // so wait for crucial initialization to complete

src/webui/www/private/scripts/dynamicTable.js

@@ -2478,6 +2478,10 @@ window.qBittorrent.DynamicTable ??= (() => {
                 this.#addNodeToTable(child, depth + 1, node);
         }
 
+        getFileTreeArray() {
+            return this.fileTree.toArray();
+        }
+
         getRoot() {
             return this.fileTree.getRoot();
         }