src/lib/components/admin/Functions.svelte

<script lang="ts">
	import { toast } from 'svelte-sonner';
	import fileSaver from 'file-saver';
	const { saveAs } = fileSaver;

	import { WEBUI_NAME, config, functions, models, settings } from '$lib/stores';
	import { onMount, getContext, tick } from 'svelte';

	import { goto } from '$app/navigation';
	import {
		createNewFunction,
		deleteFunctionById,
		exportFunctions,
		getFunctionById,
		getFunctions,
		toggleFunctionById,
		toggleGlobalById
	} from '$lib/apis/functions';

	import ArrowDownTray from '../icons/ArrowDownTray.svelte';
	import Tooltip from '../common/Tooltip.svelte';
	import ConfirmDialog from '../common/ConfirmDialog.svelte';
	import { getModels } from '$lib/apis';
	import FunctionMenu from './Functions/FunctionMenu.svelte';
	import EllipsisHorizontal from '../icons/EllipsisHorizontal.svelte';
	import Switch from '../common/Switch.svelte';
	import ValvesModal from '../workspace/common/ValvesModal.svelte';
	import ManifestModal from '../workspace/common/ManifestModal.svelte';
	import Heart from '../icons/Heart.svelte';
	import DeleteConfirmDialog from '$lib/components/common/ConfirmDialog.svelte';
	import GarbageBin from '../icons/GarbageBin.svelte';
	import Search from '../icons/Search.svelte';
	import Plus from '../icons/Plus.svelte';
	import ChevronRight from '../icons/ChevronRight.svelte';

	const i18n = getContext('i18n');

	let shiftKey = false;

	let functionsImportInputElement: HTMLInputElement;
	let importFiles;

	let showConfirm = false;
	let query = '';

	let showManifestModal = false;
	let showValvesModal = false;
	let selectedFunction = null;

	let showDeleteConfirm = false;

	let filteredItems = [];
	$: filteredItems = $functions
		.filter(
			(f) =>
				query === '' ||
				f.name.toLowerCase().includes(query.toLowerCase()) ||
				f.id.toLowerCase().includes(query.toLowerCase())
		)
		.sort((a, b) => a.type.localeCompare(b.type) || a.name.localeCompare(b.name));

	const shareHandler = async (func) => {
		const item = await getFunctionById(localStorage.token, func.id).catch((error) => {
			toast.error(`${error}`);
			return null;
		});

		toast.success($i18n.t('Redirecting you to Open WebUI Community'));

		const url = 'https://openwebui.com';

		const tab = await window.open(`${url}/functions/create`, '_blank');

		// Define the event handler function
		const messageHandler = (event) => {
			if (event.origin !== url) return;
			if (event.data === 'loaded') {
				tab.postMessage(JSON.stringify(item), '*');

				// Remove the event listener after handling the message
				window.removeEventListener('message', messageHandler);
			}
		};

		window.addEventListener('message', messageHandler, false);
		console.log(item);
	};

	const cloneHandler = async (func) => {
		const _function = await getFunctionById(localStorage.token, func.id).catch((error) => {
			toast.error(`${error}`);
			return null;
		});

		if (_function) {
			sessionStorage.function = JSON.stringify({
				..._function,
				id: `${_function.id}_clone`,
				name: `${_function.name} (Clone)`
			});
			goto('/admin/functions/create');
		}
	};

	const exportHandler = async (func) => {
		const _function = await getFunctionById(localStorage.token, func.id).catch((error) => {
			toast.error(`${error}`);
			return null;
		});

		if (_function) {
			let blob = new Blob([JSON.stringify([_function])], {
				type: 'application/json'
			});
			saveAs(blob, `function-${_function.id}-export-${Date.now()}.json`);
		}
	};

	const deleteHandler = async (func) => {
		const res = await deleteFunctionById(localStorage.token, func.id).catch((error) => {
			toast.error(`${error}`);
			return null;
		});

		if (res) {
			toast.success($i18n.t('Function deleted successfully'));

			functions.set(await getFunctions(localStorage.token));
			models.set(
				await getModels(
					localStorage.token,
					$config?.features?.enable_direct_connections && ($settings?.directConnections ?? null)
				)
			);
		}
	};

	const toggleGlobalHandler = async (func) => {
		const res = await toggleGlobalById(localStorage.token, func.id).catch((error) => {
			toast.error(`${error}`);
		});

		if (res) {
			if (func.is_global) {
				func.type === 'filter'
					? toast.success($i18n.t('Filter is now globally enabled'))
					: toast.success($i18n.t('Function is now globally enabled'));
			} else {
				func.type === 'filter'
					? toast.success($i18n.t('Filter is now globally disabled'))
					: toast.success($i18n.t('Function is now globally disabled'));
			}

			functions.set(await getFunctions(localStorage.token));
			models.set(
				await getModels(
					localStorage.token,
					$config?.features?.enable_direct_connections && ($settings?.directConnections ?? null)
				)
			);
		}
	};

	onMount(() => {
		const onKeyDown = (event) => {
			if (event.key === 'Shift') {
				shiftKey = true;
			}
		};

		const onKeyUp = (event) => {
			if (event.key === 'Shift') {
				shiftKey = false;
			}
		};

		const onBlur = () => {
			shiftKey = false;
		};

		window.addEventListener('keydown', onKeyDown);
		window.addEventListener('keyup', onKeyUp);
		window.addEventListener('blur-sm', onBlur);

		return () => {
			window.removeEventListener('keydown', onKeyDown);
			window.removeEventListener('keyup', onKeyUp);
			window.removeEventListener('blur-sm', onBlur);
		};
	});
</script>

<svelte:head>
	<title>
		{$i18n.t('Functions')} | {$WEBUI_NAME}
	</title>
</svelte:head>

<div class="flex flex-col gap-1 mt-1.5 mb-2">
	<div class="flex justify-between items-center">
		<div class="flex md:self-center text-xl items-center font-medium px-0.5">
			{$i18n.t('Functions')}
			<div class="flex self-center w-[1px] h-6 mx-2.5 bg-gray-50 dark:bg-gray-850" />
			<span class="text-base font-lg text-gray-500 dark:text-gray-300">{filteredItems.length}</span>
		</div>
	</div>

	<div class=" flex w-full space-x-2">
		<div class="flex flex-1">
			<div class=" self-center ml-1 mr-3">
				<Search className="size-3.5" />
			</div>
			<input
				class=" w-full text-sm pr-4 py-1 rounded-r-xl outline-hidden bg-transparent"
				bind:value={query}
				placeholder={$i18n.t('Search Functions')}
			/>
		</div>

		<div>
			<a
				class=" px-2 py-2 rounded-xl hover:bg-gray-700/10 dark:hover:bg-gray-100/10 dark:text-gray-300 dark:hover:text-white transition font-medium text-sm flex items-center space-x-1"
				href="/admin/functions/create"
			>
				<Plus className="size-3.5" />
			</a>
		</div>
	</div>
</div>

<div class="mb-5">
	{#each filteredItems as func (func.id)}
		<div
			class=" flex space-x-4 cursor-pointer w-full px-3 py-2 dark:hover:bg-white/5 hover:bg-black/5 rounded-xl"
		>
			<a
				class=" flex flex-1 space-x-3.5 cursor-pointer w-full"
				href={`/admin/functions/edit?id=${encodeURIComponent(func.id)}`}
			>
				<div class="flex items-center text-left">
					<div class=" flex-1 self-center pl-1">
						<div class=" font-semibold flex items-center gap-1.5">
							<div
								class=" text-xs font-bold px-1 rounded-sm uppercase line-clamp-1 bg-gray-500/20 text-gray-700 dark:text-gray-200"
							>
								{func.type}
							</div>

							{#if func?.meta?.manifest?.version}
								<div
									class="text-xs font-bold px-1 rounded-sm line-clamp-1 bg-gray-500/20 text-gray-700 dark:text-gray-200"
								>
									v{func?.meta?.manifest?.version ?? ''}
								</div>
							{/if}

							<div class=" line-clamp-1">
								{func.name}
							</div>
						</div>

						<div class="flex gap-1.5 px-1">
							<div class=" text-gray-500 text-xs font-medium shrink-0">{func.id}</div>

							<div class=" text-xs overflow-hidden text-ellipsis line-clamp-1">
								{func.meta.description}
							</div>
						</div>
					</div>
				</div>
			</a>
			<div class="flex flex-row gap-0.5 self-center">
				{#if shiftKey}
					<Tooltip content={$i18n.t('Delete')}>
						<button
							class="self-center w-fit text-sm px-2 py-2 dark:text-gray-300 dark:hover:text-white hover:bg-black/5 dark:hover:bg-white/5 rounded-xl"
							type="button"
							on:click={() => {
								deleteHandler(func);
							}}
						>
							<GarbageBin />
						</button>
					</Tooltip>
				{:else}
					{#if func?.meta?.manifest?.funding_url ?? false}
						<Tooltip content={$i18n.t('Support')}>
							<button
								class="self-center w-fit text-sm px-2 py-2 dark:text-gray-300 dark:hover:text-white hover:bg-black/5 dark:hover:bg-white/5 rounded-xl"
								type="button"
								on:click={() => {
									selectedFunction = func;
									showManifestModal = true;
								}}
							>
								<Heart />
							</button>
						</Tooltip>
					{/if}

					<Tooltip content={$i18n.t('Valves')}>
						<button
							class="self-center w-fit text-sm px-2 py-2 dark:text-gray-300 dark:hover:text-white hover:bg-black/5 dark:hover:bg-white/5 rounded-xl"
							type="button"
							on:click={() => {
								selectedFunction = func;
								showValvesModal = true;
							}}
						>
							<svg
								xmlns="http://www.w3.org/2000/svg"
								fill="none"
								viewBox="0 0 24 24"
								stroke-width="1.5"
								stroke="currentColor"
								class="size-4"
							>
								<path
									stroke-linecap="round"
									stroke-linejoin="round"
									d="M9.594 3.94c.09-.542.56-.94 1.11-.94h2.593c.55 0 1.02.398 1.11.94l.213 1.281c.063.374.313.686.645.87.074.04.147.083.22.127.325.196.72.257 1.075.124l1.217-.456a1.125 1.125 0 0 1 1.37.49l1.296 2.247a1.125 1.125 0 0 1-.26 1.431l-1.003.827c-.293.241-.438.613-.43.992a7.723 7.723 0 0 1 0 .255c-.008.378.137.75.43.991l1.004.827c.424.35.534.955.26 1.43l-1.298 2.247a1.125 1.125 0 0 1-1.369.491l-1.217-.456c-.355-.133-.75-.072-1.076.124a6.47 6.47 0 0 1-.22.128c-.331.183-.581.495-.644.869l-.213 1.281c-.09.543-.56.94-1.11.94h-2.594c-.55 0-1.019-.398-1.11-.94l-.213-1.281c-.062-.374-.312-.686-.644-.87a6.52 6.52 0 0 1-.22-.127c-.325-.196-.72-.257-1.076-.124l-1.217.456a1.125 1.125 0 0 1-1.369-.49l-1.297-2.247a1.125 1.125 0 0 1 .26-1.431l1.004-.827c.292-.24.437-.613.43-.991a6.932 6.932 0 0 1 0-.255c.007-.38-.138-.751-.43-.992l-1.004-.827a1.125 1.125 0 0 1-.26-1.43l1.297-2.247a1.125 1.125 0 0 1 1.37-.491l1.216.456c.356.133.751.072 1.076-.124.072-.044.146-.086.22-.128.332-.183.582-.495.644-.869l.214-1.28Z"
								/>
								<path
									stroke-linecap="round"
									stroke-linejoin="round"
									d="M15 12a3 3 0 1 1-6 0 3 3 0 0 1 6 0Z"
								/>
							</svg>
						</button>
					</Tooltip>

					<FunctionMenu
						{func}
						editHandler={() => {
							goto(`/admin/functions/edit?id=${encodeURIComponent(func.id)}`);
						}}
						shareHandler={() => {
							shareHandler(func);
						}}
						cloneHandler={() => {
							cloneHandler(func);
						}}
						exportHandler={() => {
							exportHandler(func);
						}}
						deleteHandler={async () => {
							selectedFunction = func;
							showDeleteConfirm = true;
						}}
						toggleGlobalHandler={() => {
							if (['filter', 'action'].includes(func.type)) {
								toggleGlobalHandler(func);
							}
						}}
						onClose={() => {}}
					>
						<button
							class="self-center w-fit text-sm p-1.5 dark:text-gray-300 dark:hover:text-white hover:bg-black/5 dark:hover:bg-white/5 rounded-xl"
							type="button"
						>
							<EllipsisHorizontal className="size-5" />
						</button>
					</FunctionMenu>
				{/if}

				<div class=" self-center mx-1">
					<Tooltip content={func.is_active ? $i18n.t('Enabled') : $i18n.t('Disabled')}>
						<Switch
							bind:state={func.is_active}
							on:change={async (e) => {
								toggleFunctionById(localStorage.token, func.id);
								models.set(
									await getModels(
										localStorage.token,
										$config?.features?.enable_direct_connections &&
											($settings?.directConnections ?? null)
									)
								);
							}}
						/>
					</Tooltip>
				</div>
			</div>
		</div>
	{/each}
</div>

<!-- <div class=" text-gray-500 text-xs mt-1 mb-2">
	ⓘ {$i18n.t(
		'Admins have access to all tools at all times; users need tools assigned per model in the workspace.'
	)}
</div> -->

<div class=" flex justify-end w-full mb-2">
	<div class="flex space-x-2">
		<input
			id="documents-import-input"
			bind:this={functionsImportInputElement}
			bind:files={importFiles}
			type="file"
			accept=".json"
			hidden
			on:change={() => {
				console.log(importFiles);
				showConfirm = true;
			}}
		/>

		<button
			class="flex text-xs items-center space-x-1 px-3 py-1.5 rounded-xl bg-gray-50 hover:bg-gray-100 dark:bg-gray-800 dark:hover:bg-gray-700 dark:text-gray-200 transition"
			on:click={() => {
				functionsImportInputElement.click();
			}}
		>
			<div class=" self-center mr-2 font-medium line-clamp-1">{$i18n.t('Import Functions')}</div>

			<div class=" self-center">
				<svg
					xmlns="http://www.w3.org/2000/svg"
					viewBox="0 0 16 16"
					fill="currentColor"
					class="w-4 h-4"
				>
					<path
						fill-rule="evenodd"
						d="M4 2a1.5 1.5 0 0 0-1.5 1.5v9A1.5 1.5 0 0 0 4 14h8a1.5 1.5 0 0 0 1.5-1.5V6.621a1.5 1.5 0 0 0-.44-1.06L9.94 2.439A1.5 1.5 0 0 0 8.878 2H4Zm4 9.5a.75.75 0 0 1-.75-.75V8.06l-.72.72a.75.75 0 0 1-1.06-1.06l2-2a.75.75 0 0 1 1.06 0l2 2a.75.75 0 1 1-1.06 1.06l-.72-.72v2.69a.75.75 0 0 1-.75.75Z"
						clip-rule="evenodd"
					/>
				</svg>
			</div>
		</button>

		{#if $functions.length}
			<button
				class="flex text-xs items-center space-x-1 px-3 py-1.5 rounded-xl bg-gray-50 hover:bg-gray-100 dark:bg-gray-800 dark:hover:bg-gray-700 dark:text-gray-200 transition"
				on:click={async () => {
					const _functions = await exportFunctions(localStorage.token).catch((error) => {
						toast.error(`${error}`);
						return null;
					});

					if (_functions) {
						let blob = new Blob([JSON.stringify(_functions)], {
							type: 'application/json'
						});
						saveAs(blob, `functions-export-${Date.now()}.json`);
					}
				}}
			>
				<div class=" self-center mr-2 font-medium line-clamp-1">{$i18n.t('Export Functions')}</div>

				<div class=" self-center">
					<svg
						xmlns="http://www.w3.org/2000/svg"
						viewBox="0 0 16 16"
						fill="currentColor"
						class="w-4 h-4"
					>
						<path
							fill-rule="evenodd"
							d="M4 2a1.5 1.5 0 0 0-1.5 1.5v9A1.5 1.5 0 0 0 4 14h8a1.5 1.5 0 0 0 1.5-1.5V6.621a1.5 1.5 0 0 0-.44-1.06L9.94 2.439A1.5 1.5 0 0 0 8.878 2H4Zm4 3.5a.75.75 0 0 1 .75.75v2.69l.72-.72a.75.75 0 1 1 1.06 1.06l-2 2a.75.75 0 0 1-1.06 0l-2-2a.75.75 0 0 1 1.06-1.06l.72.72V6.25A.75.75 0 0 1 8 5.5Z"
							clip-rule="evenodd"
						/>
					</svg>
				</div>
			</button>
		{/if}
	</div>
</div>

{#if $config?.features.enable_community_sharing}
	<div class=" my-16">
		<div class=" text-xl font-medium mb-1 line-clamp-1">
			{$i18n.t('Made by Open WebUI Community')}
		</div>

		<a
			class=" flex cursor-pointer items-center justify-between hover:bg-gray-50 dark:hover:bg-gray-850 w-full mb-2 px-3.5 py-1.5 rounded-xl transition"
			href="https://openwebui.com/#open-webui-community"
			target="_blank"
		>
			<div class=" self-center">
				<div class=" font-semibold line-clamp-1">{$i18n.t('Discover a function')}</div>
				<div class=" text-sm line-clamp-1">
					{$i18n.t('Discover, download, and explore custom functions')}
				</div>
			</div>

			<div>
				<div>
					<ChevronRight />
				</div>
			</div>
		</a>
	</div>
{/if}

<DeleteConfirmDialog
	bind:show={showDeleteConfirm}
	title={$i18n.t('Delete function?')}
	on:confirm={() => {
		deleteHandler(selectedFunction);
	}}
>
	<div class=" text-sm text-gray-500">
		{$i18n.t('This will delete')} <span class="  font-semibold">{selectedFunction.name}</span>.
	</div>
</DeleteConfirmDialog>

<ManifestModal bind:show={showManifestModal} manifest={selectedFunction?.meta?.manifest ?? {}} />
<ValvesModal
	bind:show={showValvesModal}
	type="function"
	id={selectedFunction?.id ?? null}
	on:save={async () => {
		await tick();
		models.set(
			await getModels(
				localStorage.token,
				$config?.features?.enable_direct_connections && ($settings?.directConnections ?? null)
			)
		);
	}}
/>

<ConfirmDialog
	bind:show={showConfirm}
	on:confirm={() => {
		const reader = new FileReader();
		reader.onload = async (event) => {
			const _functions = JSON.parse(event.target.result);
			console.log(_functions);

			for (const func of _functions) {
				const res = await createNewFunction(localStorage.token, func).catch((error) => {
					toast.error(`${error}`);
					return null;
				});
			}

			toast.success($i18n.t('Functions imported successfully'));
			functions.set(await getFunctions(localStorage.token));
			models.set(
				await getModels(
					localStorage.token,
					$config?.features?.enable_direct_connections && ($settings?.directConnections ?? null)
				)
			);
		};

		reader.readAsText(importFiles[0]);
	}}
>
	<div class="text-sm text-gray-500">
		<div class=" bg-yellow-500/20 text-yellow-700 dark:text-yellow-200 rounded-lg px-4 py-3">
			<div>Please carefully review the following warnings:</div>

			<ul class=" mt-1 list-disc pl-4 text-xs">
				<li>{$i18n.t('Functions allow arbitrary code execution.')}</li>
				<li>{$i18n.t('Do not install functions from sources you do not fully trust.')}</li>
			</ul>
		</div>

		<div class="my-3">
			{$i18n.t(
				'I acknowledge that I have read and I understand the implications of my action. I am aware of the risks associated with executing arbitrary code and I have verified the trustworthiness of the source.'
			)}
		</div>
	</div>
</ConfirmDialog>