feat: model download from model selector

src/lib/components/chat/ModelSelector.svelte

@@ -3,7 +3,7 @@
 	import { models, showSettings, settings, user } from '$lib/stores';
 	import { onMount, tick, getContext } from 'svelte';
 	import { toast } from 'svelte-sonner';
-	import Select from '../common/Select.svelte';
+	import Selector from './ModelSelector/Selector.svelte';
 
 	const i18n = getContext('i18n');
 
@@ -38,7 +38,7 @@
 		<div class="flex w-full">
 			<div class="overflow-hidden w-full">
 				<div class="mr-2 max-w-full">
-					<Select
+					<Selector
 						placeholder={$i18n.t('Select a model')}
 						items={$models
 							.filter((model) => model.name !== 'hr')

src/lib/components/chat/ModelSelector/Selector.svelte

@@ -0,0 +1,326 @@
+<script lang="ts">
+	import { Select } from 'bits-ui';
+
+	import { flyAndScale } from '$lib/utils/transitions';
+	import { createEventDispatcher, onMount, getContext } from 'svelte';
+
+	import ChevronDown from '$lib/components/icons/ChevronDown.svelte';
+	import Check from '$lib/components/icons/Check.svelte';
+	import Search from '$lib/components/icons/Search.svelte';
+
+	import { cancelOllamaRequest, deleteModel, getOllamaVersion, pullModel } from '$lib/apis/ollama';
+
+	import { user, MODEL_DOWNLOAD_POOL } from '$lib/stores';
+	import { toast } from 'svelte-sonner';
+	import { splitStream } from '$lib/utils';
+	import Tooltip from '$lib/components/common/Tooltip.svelte';
+
+	const i18n = getContext('i18n');
+	const dispatch = createEventDispatcher();
+
+	export let value = '';
+	export let placeholder = 'Select a model';
+	export let searchEnabled = true;
+	export let searchPlaceholder = 'Search a model';
+
+	export let items = [{ value: 'mango', label: 'Mango' }];
+
+	let searchValue = '';
+	let ollamaVersion = null;
+
+	$: filteredItems = searchValue
+		? items.filter((item) => item.value.includes(searchValue.toLowerCase()))
+		: items;
+
+	const pullModelHandler = async () => {
+		const sanitizedModelTag = searchValue.trim();
+
+		console.log($MODEL_DOWNLOAD_POOL);
+		if ($MODEL_DOWNLOAD_POOL[sanitizedModelTag]) {
+			toast.error(
+				$i18n.t(`Model '{{modelTag}}' is already in queue for downloading.`, {
+					modelTag: sanitizedModelTag
+				})
+			);
+			return;
+		}
+		if (Object.keys($MODEL_DOWNLOAD_POOL).length === 3) {
+			toast.error(
+				$i18n.t('Maximum of 3 models can be downloaded simultaneously. Please try again later.')
+			);
+			return;
+		}
+
+		const res = await pullModel(localStorage.token, sanitizedModelTag, '0').catch((error) => {
+			toast.error(error);
+			return null;
+		});
+
+		if (res) {
+			const reader = res.body
+				.pipeThrough(new TextDecoderStream())
+				.pipeThrough(splitStream('\n'))
+				.getReader();
+
+			while (true) {
+				try {
+					const { value, done } = await reader.read();
+					if (done) break;
+
+					let lines = value.split('\n');
+
+					for (const line of lines) {
+						if (line !== '') {
+							let data = JSON.parse(line);
+							console.log(data);
+							if (data.error) {
+								throw data.error;
+							}
+							if (data.detail) {
+								throw data.detail;
+							}
+
+							if (data.id) {
+								MODEL_DOWNLOAD_POOL.set({
+									...$MODEL_DOWNLOAD_POOL,
+									[sanitizedModelTag]: {
+										...$MODEL_DOWNLOAD_POOL[sanitizedModelTag],
+										requestId: data.id,
+										reader,
+										done: false
+									}
+								});
+								console.log(data);
+							}
+
+							if (data.status) {
+								if (data.digest) {
+									let downloadProgress = 0;
+									if (data.completed) {
+										downloadProgress = Math.round((data.completed / data.total) * 1000) / 10;
+									} else {
+										downloadProgress = 100;
+									}
+
+									MODEL_DOWNLOAD_POOL.set({
+										...$MODEL_DOWNLOAD_POOL,
+										[sanitizedModelTag]: {
+											...$MODEL_DOWNLOAD_POOL[sanitizedModelTag],
+											pullProgress: downloadProgress,
+											digest: data.digest
+										}
+									});
+								} else {
+									toast.success(data.status);
+
+									MODEL_DOWNLOAD_POOL.set({
+										...$MODEL_DOWNLOAD_POOL,
+										[sanitizedModelTag]: {
+											...$MODEL_DOWNLOAD_POOL[sanitizedModelTag],
+											done: data.status === 'success'
+										}
+									});
+								}
+							}
+						}
+					}
+				} catch (error) {
+					console.log(error);
+					if (typeof error !== 'string') {
+						error = error.message;
+					}
+
+					toast.error(error);
+					// opts.callback({ success: false, error, modelName: opts.modelName });
+				}
+			}
+
+			if ($MODEL_DOWNLOAD_POOL[sanitizedModelTag].done) {
+				toast.success(
+					$i18n.t(`Model '{{modelName}}' has been successfully downloaded.`, {
+						modelName: sanitizedModelTag
+					})
+				);
+			} else {
+				toast.error('Download canceled');
+			}
+
+			delete $MODEL_DOWNLOAD_POOL[sanitizedModelTag];
+
+			MODEL_DOWNLOAD_POOL.set({
+				...$MODEL_DOWNLOAD_POOL
+			});
+		}
+	};
+
+	onMount(async () => {
+		ollamaVersion = await getOllamaVersion(localStorage.token).catch((error) => false);
+	});
+
+	const cancelModelPullHandler = async (model: string) => {
+		const { reader, requestId } = $MODEL_DOWNLOAD_POOL[model];
+		if (reader) {
+			await reader.cancel();
+
+			await cancelOllamaRequest(localStorage.token, requestId);
+			delete $MODEL_DOWNLOAD_POOL[model];
+			MODEL_DOWNLOAD_POOL.set({
+				...$MODEL_DOWNLOAD_POOL
+			});
+			await deleteModel(localStorage.token, model);
+			toast.success(`${model} download has been canceled`);
+		}
+	};
+</script>
+
+<Select.Root
+	{items}
+	onOpenChange={() => {
+		searchValue = '';
+	}}
+	selected={items.find((item) => item.value === value)}
+	onSelectedChange={(selectedItem) => {
+		value = selectedItem.value;
+	}}
+>
+	<Select.Trigger class="relative w-full" aria-label={placeholder}>
+		<Select.Value
+			class="inline-flex h-input px-0.5 w-full outline-none bg-transparent truncate text-lg font-semibold placeholder-gray-400  focus:outline-none"
+			{placeholder}
+		/>
+		<ChevronDown className="absolute end-2 top-1/2 -translate-y-[45%] size-3.5" strokeWidth="2.5" />
+	</Select.Trigger>
+	<Select.Content
+		class="w-full rounded-lg  bg-white dark:bg-gray-900 dark:text-white shadow-lg border border-gray-300/30 dark:border-gray-700/50  outline-none"
+		transition={flyAndScale}
+		sideOffset={4}
+	>
+		<slot>
+			{#if searchEnabled}
+				<div class="flex items-center gap-2.5 px-5 mt-3.5 mb-3">
+					<Search className="size-4" strokeWidth="2.5" />
+
+					<input
+						bind:value={searchValue}
+						class="w-full text-sm bg-transparent outline-none"
+						placeholder={searchPlaceholder}
+					/>
+				</div>
+
+				<hr class="border-gray-100 dark:border-gray-800" />
+			{/if}
+
+			<div class="px-3 my-2 max-h-80 overflow-y-auto">
+				{#each filteredItems as item}
+					<Select.Item
+						class="flex w-full font-medium line-clamp-1 select-none items-center rounded-button py-2 pl-3 pr-1.5 text-sm  text-gray-700 dark:text-gray-100  outline-none transition-all duration-75 hover:bg-gray-100 dark:hover:bg-gray-850 rounded-lg cursor-pointer data-[highlighted]:bg-muted"
+						value={item.value}
+						label={item.label}
+					>
+						{item.label}
+
+						{#if value === item.value}
+							<div class="ml-auto">
+								<Check />
+							</div>
+						{/if}
+					</Select.Item>
+				{:else}
+					<div>
+						<div class="block px-3 py-2 text-sm text-gray-700 dark:text-gray-100">
+							No results found
+						</div>
+					</div>
+				{/each}
+
+				{#each Object.keys($MODEL_DOWNLOAD_POOL) as model}
+					<div
+						class="flex w-full justify-between font-medium select-none rounded-button py-2 pl-3 pr-1.5 text-sm text-gray-700 dark:text-gray-100 outline-none transition-all duration-75 rounded-lg cursor-pointer data-[highlighted]:bg-muted"
+					>
+						<div class="flex">
+							<div class="-ml-2 mr-2.5 translate-y-0.5">
+								<svg
+									class="size-4"
+									viewBox="0 0 24 24"
+									fill="currentColor"
+									xmlns="http://www.w3.org/2000/svg"
+									><style>
+										.spinner_ajPY {
+											transform-origin: center;
+											animation: spinner_AtaB 0.75s infinite linear;
+										}
+										@keyframes spinner_AtaB {
+											100% {
+												transform: rotate(360deg);
+											}
+										}
+									</style><path
+										d="M12,1A11,11,0,1,0,23,12,11,11,0,0,0,12,1Zm0,19a8,8,0,1,1,8-8A8,8,0,0,1,12,20Z"
+										opacity=".25"
+									/><path
+										d="M10.14,1.16a11,11,0,0,0-9,8.92A1.59,1.59,0,0,0,2.46,12,1.52,1.52,0,0,0,4.11,10.7a8,8,0,0,1,6.66-6.61A1.42,1.42,0,0,0,12,2.69h0A1.57,1.57,0,0,0,10.14,1.16Z"
+										class="spinner_ajPY"
+									/></svg
+								>
+							</div>
+
+							<div class="flex flex-col self-start">
+								<div class="line-clamp-1">
+									Downloading "{model}" {'pullProgress' in $MODEL_DOWNLOAD_POOL[model]
+										? `(${$MODEL_DOWNLOAD_POOL[model].pullProgress}%)`
+										: ''}
+								</div>
+
+								{#if 'digest' in $MODEL_DOWNLOAD_POOL[model] && $MODEL_DOWNLOAD_POOL[model].digest}
+									<div class="-mt-1 h-fit text-[0.7rem] dark:text-gray-500 line-clamp-1">
+										{$MODEL_DOWNLOAD_POOL[model].digest}
+									</div>
+								{/if}
+							</div>
+						</div>
+
+						<div class="mr-3 translate-y-0.5">
+							<Tooltip content="Cancel">
+								<button
+									class="text-gray-800 dark:text-gray-100"
+									on:click={() => {
+										cancelModelPullHandler(model);
+									}}
+								>
+									<svg
+										class="w-4 h-4 text-gray-800 dark:text-white"
+										aria-hidden="true"
+										xmlns="http://www.w3.org/2000/svg"
+										width="24"
+										height="24"
+										fill="currentColor"
+										viewBox="0 0 24 24"
+									>
+										<path
+											stroke="currentColor"
+											stroke-linecap="round"
+											stroke-linejoin="round"
+											stroke-width="2"
+											d="M6 18 17.94 6M18 18 6.06 6"
+										/>
+									</svg>
+								</button>
+							</Tooltip>
+						</div>
+					</div>
+				{/each}
+
+				{#if !(searchValue.trim() in $MODEL_DOWNLOAD_POOL) && searchValue && ollamaVersion && $user.role === 'admin'}
+					<button
+						class="flex w-full font-medium line-clamp-1 select-none items-center rounded-button py-2 pl-3 pr-1.5 text-sm text-gray-700 dark:text-gray-100 outline-none transition-all duration-75 hover:bg-gray-100 dark:hover:bg-gray-850 rounded-lg cursor-pointer data-[highlighted]:bg-muted"
+						on:click={() => {
+							pullModelHandler();
+						}}
+					>
+						Pull "{searchValue}" from Ollama.com
+					</button>
+				{/if}
+			</div>
+		</slot>
+	</Select.Content>
+</Select.Root>

src/lib/components/common/Selector.svelte

@@ -12,6 +12,9 @@
 
 	export let value = '';
 	export let placeholder = 'Select a model';
+	export let searchEnabled = true;
+	export let searchPlaceholder = 'Search a model';
+
 	export let items = [
 		{ value: 'mango', label: 'Mango' },
 		{ value: 'watermelon', label: 'Watermelon' },
@@ -49,22 +52,25 @@
 		transition={flyAndScale}
 		sideOffset={4}
 	>
+		<slot>
+			{#if searchEnabled}
 				<div class="flex items-center gap-2.5 px-5 mt-3.5 mb-3">
 					<Search className="size-4" strokeWidth="2.5" />
 
 					<input
 						bind:value={searchValue}
 						class="w-full text-sm bg-transparent outline-none"
-				placeholder="Search a model"
+						placeholder={searchPlaceholder}
 					/>
 				</div>
 
 				<hr class="border-gray-100 dark:border-gray-800" />
+			{/if}
 
 			<div class="px-3 my-2 max-h-80 overflow-y-auto">
 				{#each filteredItems as item}
 					<Select.Item
-					class="flex w-full font-medium line-clamp-1 select-none items-center rounded-button py-2 pl-3 pr-1.5 text-sm  text-gray-700 dark:text-gray-100  outline-none transition-all duration-75 data-[highlighted]:bg-muted"
+						class="flex w-full font-medium line-clamp-1 select-none items-center rounded-button py-2 pl-3 pr-1.5 text-sm  text-gray-700 dark:text-gray-100  outline-none transition-all duration-75 hover:bg-gray-100 dark:hover:bg-gray-850 rounded-lg cursor-pointer data-[highlighted]:bg-muted"
 						value={item.value}
 						label={item.label}
 					>
@@ -77,11 +83,13 @@
 						{/if}
 					</Select.Item>
 				{:else}
-				<span class="block px-5 py-2 text-sm text-gray-700 dark:text-gray-100">
+					<div>
+						<div class="block px-5 py-2 text-sm text-gray-700 dark:text-gray-100">
 							No results found
-				</span>
+						</div>
+					</div>
 				{/each}
 			</div>
+		</slot>
 	</Select.Content>
-	<Select.Input name="favoriteFruit" />
 </Select.Root>

src/lib/stores/index.ts

@@ -7,8 +7,9 @@ export const config = writable(undefined);
 export const user = writable(undefined);
 
 // Frontend
-export const theme = writable('system');
+export const MODEL_DOWNLOAD_POOL = writable({});
 
+export const theme = writable('system');
 export const chatId = writable('');
 
 export const chats = writable([]);