Make some changes to allow not using steamcmd for mod downloads

lib/game.dart

@@ -1,6 +1,7 @@
 import 'dart:io';
 
 import 'package:crypto/crypto.dart';
+import 'package:file_selector/file_selector.dart';
 import 'package:flutter/material.dart';
 import 'package:servermanager/autorestart.dart';
 import 'package:servermanager/mod.dart';
@@ -12,6 +13,8 @@ import 'package:servermanager/statemachine.dart';
 Future<void> doDownloadMods(String modsFolder) async {
   Settings settings = Settings();
 
+  if (!settings.inst!.downloadMods) return;
+
   // Now, invoke SteamCmd to download the workshop mods. This is an authenticated action, and does require Scmd2fa
   String code = "";
   if (settings.inst!.steam_creds!.has_2fa) {
@@ -49,6 +52,44 @@ Future<void> doDownloadMods(String modsFolder) async {
   print(result.stdout);
 }
 
+Future<void> doMigrateMods() async {
+  // Migrate the mods from the configured SteamLibrary path to the mods folder
+  Settings settings = Settings();
+  await settings.createModFolderIfNotExists();
+
+  if (settings.inst!.downloadMods) return;
+
+  // Copy the mods to their destination
+  for (Mod M in settings.inst!.mods) {
+    var ph = PathHelper.builder(settings.game_path)
+        .resolve("mods")
+        .resolve("steamapps")
+        .resolve("workshop")
+        .resolve("content")
+        .resolve("440900")
+        .resolve("${M.mod_id}")
+        .removeDir()
+        .mkdir();
+
+    var ph2 = PathHelper.builder(settings.inst!.conanExilesLibraryPath)
+        .resolve("steamapps")
+        .resolve("workshop")
+        .resolve("content")
+        .resolve("440900")
+        .resolve("${M.mod_id}");
+
+    Directory dir = new Directory(ph2.build());
+    await for (var f in dir.list()) {
+      if (f is File && f.path.endsWith("pak")) {
+        String modDest =
+            ph.resolve(f.path.split(Platform.pathSeparator).last).build();
+
+        await f.copy(modDest);
+      }
+    }
+  }
+}
+
 Future<List<Mod>> doScanMods(String modsFolder) async {
   Settings settings = Settings();
 
@@ -181,33 +222,55 @@ class GameServerPageState extends State<GameServerPage> {
                     Navigator.pushNamed(context, "/server/mods");
                   },
                 ),
-                ListTile(
-                  title: Text("Download Mods"),
-                  subtitle: Text("Downloads the mods"),
-                  leading: Icon(Icons.download_sharp),
-                  onTap: () async {
-                    setState(() {
-                      downloading = true;
-                    });
-                    await doDownloadMods(settings.getModPath());
+                if (settings.inst!.downloadMods)
+                  ListTile(
+                    title: Text("Download Mods"),
+                    subtitle: Text("Downloads the mods"),
+                    leading: Icon(Icons.download_sharp),
+                    onTap: () async {
+                      setState(() {
+                        downloading = true;
+                      });
+                      await doDownloadMods(settings.getModPath());
 
-                    setState(() {
-                      downloading = false;
-                    });
+                      setState(() {
+                        downloading = false;
+                      });
 
-                    ScaffoldMessenger.of(context).showSnackBar(
-                        SnackBar(content: Text("Scanning mods...")));
+                      ScaffoldMessenger.of(context).showSnackBar(
+                          SnackBar(content: Text("Scanning mods...")));
 
-                    var mods = await doScanMods(settings.getModPath());
-                    setState(() {
-                      settings.inst!.mods = mods;
+                      var mods = await doScanMods(settings.getModPath());
+                      setState(() {
+                        settings.inst!.mods = mods;
 
-                      settings.Write();
-                    });
-                    ScaffoldMessenger.of(context).showSnackBar(
-                        SnackBar(content: Text("Mod scanning complete")));
-                  },
-                ),
+                        settings.Write();
+                      });
+                      ScaffoldMessenger.of(context).showSnackBar(
+                          SnackBar(content: Text("Mod scanning complete")));
+                    },
+                  ),
+                if (!settings.inst!.downloadMods)
+                  ListTile(
+                    title: Text("Conan Exiles Install Path"),
+                    subtitle:
+                        Text("Set the Steam Library location of Conan Exiles"),
+                    leading: Icon(Icons.folder),
+                    onTap: () async {
+                      // Open the folder select prompt
+                      var path = await getDirectoryPath();
+                      setState(() {
+                        settings.inst!.conanExilesLibraryPath =
+                            path ?? settings.inst!.conanExilesLibraryPath;
+
+                        if (path == null) {
+                          ScaffoldMessenger.of(context).showSnackBar(SnackBar(
+                              content: Text(
+                                  "You must select a valid SteamLibrary folder")));
+                        }
+                      });
+                    },
+                  ),
                 ListTile(
                   title: Text("Configure AutoRestart"),
                   leading: Icon(Icons.timer),
@@ -227,6 +290,17 @@ class GameServerPageState extends State<GameServerPage> {
                     });
                   },
                 ),
+                SwitchListTile(
+                  value: settings.inst!.downloadMods,
+                  onChanged: (value) {
+                    setState(() {
+                      settings.inst!.downloadMods = value;
+                    });
+                  },
+                  title: Text("Automatic Download of Mods"),
+                  subtitle: Text(
+                      "If enabled, downloads mods using steamcmd, if disabled, you must configure the SteamLibrary folder location"),
+                ),
                 ListTile(
                   title: Text("Configure Server Ports"),
                   leading: Icon(Icons.numbers),

lib/pathtools.dart

@@ -17,6 +17,50 @@ class PathHelper {
     return this;
   }
 
+  PathHelper conditionalResolve(bool flag, String path) {
+    if (flag) pth += Platform.pathSeparator + path;
+    return this;
+  }
+
+  bool deleteDirectory({bool recursive = false}) {
+    Directory dir = new Directory(build());
+    try {
+      dir.deleteSync(recursive: recursive);
+
+      return true;
+    } catch (E) {
+      return false;
+    }
+  }
+
+  bool deleteFile() {
+    File file = new File(build());
+    try {
+      file.deleteSync(recursive: true);
+
+      return true;
+    } catch (E) {
+      return false;
+    }
+  }
+
+  PathHelper removeDir() {
+    deleteDirectory(recursive: true);
+    return this;
+  }
+
+  PathHelper removeFile() {
+    deleteFile();
+    return this;
+  }
+
+  PathHelper mkdir() {
+    Directory dir = new Directory(build());
+    dir.createSync(recursive: true);
+
+    return this;
+  }
+
   String build() {
     return pth;
   }

lib/settingsEntry.dart

@@ -28,4 +28,10 @@ class SettingsEntry {
       RconPort: 7779,
       GamePort: 7780,
       QueryPort: 7782);
+
+  @HiveField(6, defaultValue: true)
+  bool downloadMods = true;
+
+  @HiveField(7, defaultValue: "")
+  String conanExilesLibraryPath = "";
 }

lib/statemachine.dart

@@ -46,7 +46,10 @@ class StateMachine {
       // Server startup in progress
       Settings settings = Settings();
       await settings.RunUpdate(valid: false);
-      await doDownloadMods(settings.getModPath());
+      if (settings.inst!.downloadMods)
+        await doDownloadMods(settings.getModPath());
+      else
+        await doMigrateMods();
       settings.inst!.mods = await doScanMods(settings.getModPath());
 
       await settings.writeOutModListFile();