FEAT: Moving library

src/lib/components/Settings.svelte

@@ -1,5 +1,103 @@
 <script>
+	import { join } from '@tauri-apps/api/path';
+	import { saveSettings, selectDirectory, BASE_LIBRARY_DIR } from '$lib/settings.js';
+	import { movePath, directoryExists, copyPath } from '$lib/file_utils.js';
+	import { remove } from '@tauri-apps/plugin-fs';
+	import { confirm } from '@tauri-apps/plugin-dialog';
+	import { getInstalledVersions, removeAllDesktopFilesForVersions } from '$lib/library.js';
+	import Button from '$lib/components/Button.svelte';
+
 	let { settings } = $props();
+	let changing = $state(false);
+	let error = $state(null);
+
+	async function changeLibraryDirectory() {
+		changing = true;
+		error = null;
+		try {
+			const newDir = await selectDirectory(settings.libraryDir);
+			if (!newDir) {
+				return;
+			}
+
+			if (newDir === settings.libraryDir) {
+				return;
+			}
+
+			const currentLibraryPath = await join(settings.libraryDir, BASE_LIBRARY_DIR);
+			const newLibraryPath = await join(newDir, BASE_LIBRARY_DIR);
+
+			// Prevent moving library into itself or circular moves
+			if (
+				newLibraryPath.startsWith(currentLibraryPath + '/') ||
+				currentLibraryPath.startsWith(newLibraryPath + '/')
+			) {
+				error = 'Cannot move library into itself or a subdirectory of itself';
+				return;
+			}
+
+			// Check if the current library directory exists and has content
+			const currentExists = await directoryExists(currentLibraryPath);
+			const newExists = await directoryExists(newLibraryPath);
+
+			let moveLibrary = false;
+
+			if (currentExists) {
+				let message = `Move existing library from\n${currentLibraryPath}\nto\n${newLibraryPath}?`;
+				if (newExists) {
+					message = `Library already exists at new location:\n${newLibraryPath}\n\nMoving will replace it. Continue?`;
+				}
+				moveLibrary = await confirm(message, {
+					title: 'Move Library',
+					kind: 'warning'
+				});
+			}
+
+			if (moveLibrary) {
+				// Get current installed versions before moving (to track desktop files)
+				const currentVersions = await getInstalledVersions();
+
+				// Remove .desktop files for all current versions (Linux only)
+				await removeAllDesktopFilesForVersions(currentVersions);
+
+				// If destination exists, remove it first (movePath requires destination not to exist)
+				if (newExists) {
+					try {
+						await remove(newLibraryPath, { recursive: true });
+					} catch (err) {
+						error = `Failed to remove existing directory: ${err.message}`;
+						console.error(error);
+						return;
+					}
+				}
+
+				// Move the entire library directory recursively
+				try {
+					await movePath(currentLibraryPath, newLibraryPath);
+				} catch (moveError) {
+					// If move fails (e.g., cross-device), fallback to copy + delete
+					console.warn('Move failed, falling back to copy:', moveError);
+					await copyPath(currentLibraryPath, newLibraryPath);
+					try {
+						await remove(currentLibraryPath, { recursive: true });
+					} catch (deleteError) {
+						console.warn('Failed to delete original library after copy:', deleteError);
+						// Continue anyway - library has been copied to new location
+					}
+				}
+			}
+
+			// Update settings with the new directory
+			await saveSettings({ libraryDir: newDir });
+			// Refresh installed versions to reflect new location (will recreate desktop files if autoCreateShortcuts is enabled)
+			await getInstalledVersions();
+		} catch (err) {
+			error = `Failed to change library directory: ${err.message}`;
+			console.error(error);
+		} finally {
+			changing = false;
+		}
+	}
 </script>
 
 <div>Settings</div>
@@ -8,13 +106,28 @@
 	<div>Platform: {settings.defaultPlatform}</div>
 	<div>Architecture: {settings.defaultArch}</div>
 	<div>Keep Archives: {settings.keepDownloadedArchives}</div>
-	<div>Library: {settings.libraryDir}/Smoothie Library</div>
+	<div>Library: {settings.libraryDir}/{BASE_LIBRARY_DIR}</div>
+
+	<Button onclick={changeLibraryDirectory} disabled={changing} color="accent">
+		{#if changing}
+			Changing...
+		{:else}
+			Change Library Directory
+		{/if}
+	</Button>
+
+	{#if error}
+		<div style="color: red; margin-top: 0.5rem;">Error: {error}</div>
+	{/if}
 </div>
 
 <style>
-	#container {
+	.container {
 		overflow-y: scroll;
 		max-height: 100%;
 		box-sizing: border-box;
 	}
+	.container :global(.btn) {
+		margin-top: 1rem;
+	}
 </style>

src/lib/library.js

@@ -116,6 +116,21 @@ export async function removeDesktopFile(version) {
 	}
 }
 
+/**
+ * Remove all .desktop files for the given versions (Linux only).
+ * @param {blenderVersion[]} versions
+ */
+export async function removeAllDesktopFilesForVersions(versions) {
+	const currentPlatform = await platform();
+	if (currentPlatform !== 'linux') {
+		return;
+	}
+
+	for (const version of versions) {
+		await removeDesktopFile(version);
+	}
+}
+
 /**
  * Create a .desktop file for a Blender version (Linux only).
  * @param {blenderVersion} version
@@ -250,8 +265,6 @@ export async function getInstalledVersions() {
 		// Filter out non-directory entries
 		for (const entry of entries) {
 			if (!entry.isDirectory) {
-				const filePath = await join(blenderLibraryPath, entry.name);
-				//await remove(filePath);
 				continue;
 			}