feat: 重构视频下载任务的触发逻辑，由简单的 tokio::sleep 迁移至调度器调度 (#529)

web/src/lib/api.ts

@@ -240,6 +240,11 @@ class ApiClient {
 	async getDashboard(): Promise<ApiResponse<DashBoardResponse>> {
 		return this.get<DashBoardResponse>('/dashboard');
 	}
+
+	async triggerDownloadTask(): Promise<ApiResponse<boolean>> {
+		return this.post<boolean>('/task/download');
+	}
+
 	subscribeToLogs(onMessage: (data: string) => void) {
 		return wsManager.subscribeToLogs(onMessage);
 	}
@@ -281,6 +286,7 @@ const api = {
 	getConfig: () => apiClient.getConfig(),
 	updateConfig: (config: Config) => apiClient.updateConfig(config),
 	getDashboard: () => apiClient.getDashboard(),
+	triggerDownloadTask: () => apiClient.triggerDownloadTask(),
 	subscribeToSysInfo: (onMessage: (data: SysInfo) => void) =>
 		apiClient.subscribeToSysInfo(onMessage),
 

web/src/lib/types.ts

@@ -286,6 +286,8 @@ export interface WebhookNotifier {
 
 export type Notifier = TelegramNotifier | WebhookNotifier;
 
+export type Trigger = number | string;
+
 export interface Config {
 	auth_token: string;
 	bind_address: string;
@@ -299,7 +301,7 @@ export interface Config {
 	favorite_default_path: string;
 	collection_default_path: string;
 	submission_default_path: string;
-	interval: number;
+	interval: Trigger;
 	upper_path: string;
 	nfo_time_type: string;
 	concurrent_limit: ConcurrentLimit;

web/src/routes/+page.svelte

@@ -3,6 +3,7 @@
 	import { Card, CardContent, CardHeader, CardTitle } from '$lib/components/ui/card/index.js';
 	import { Progress } from '$lib/components/ui/progress/index.js';
 	import { Badge } from '$lib/components/ui/badge/index.js';
+	import { Button } from '$lib/components/ui/button/index.js';
 	import * as Chart from '$lib/components/ui/chart/index.js';
 	import MyChartTooltip from '$lib/components/custom/my-chart-tooltip.svelte';
 	import { curveNatural } from 'd3-shape';
@@ -24,11 +25,13 @@
 	import PlayIcon from '@lucide/svelte/icons/play';
 	import CheckCircleIcon from '@lucide/svelte/icons/check-circle';
 	import CalendarIcon from '@lucide/svelte/icons/calendar';
+	import DownloadIcon from '@lucide/svelte/icons/download';
 
 	let dashboardData: DashBoardResponse | null = null;
 	let sysInfo: SysInfo | null = null;
 	let taskStatus: TaskStatus | null = null;
 	let loading = false;
+	let triggering = false;
 	let unsubscribeSysInfo: (() => void) | null = null;
 	let unsubscribeTasks: (() => void) | null = null;
 
@@ -59,6 +62,23 @@
 		}
 	}
 
+	async function handleTriggerDownload() {
+		triggering = true;
+		try {
+			await api.triggerDownloadTask();
+			toast.success('已触发下载任务', {
+				description: '任务将立即开始执行'
+			});
+		} catch (error) {
+			console.error('触发下载任务失败：', error);
+			toast.error('触发下载任务失败', {
+				description: (error as ApiError).message
+			});
+		} finally {
+			triggering = false;
+		}
+	}
+
 	onMount(() => {
 		setBreadcrumb([{ label: '仪表盘' }]);
 
@@ -295,6 +315,8 @@
 									<span class="text-muted-foreground text-sm">
 										{taskStatus.last_run
 											? new Date(taskStatus.last_run).toLocaleString('en-US', {
+													month: '2-digit',
+													day: '2-digit',
 													hour: '2-digit',
 													minute: '2-digit',
 													second: '2-digit',
@@ -311,6 +333,8 @@
 									<span class="text-muted-foreground text-sm">
 										{taskStatus.last_finish
 											? new Date(taskStatus.last_finish).toLocaleString('en-US', {
+													month: '2-digit',
+													day: '2-digit',
 													hour: '2-digit',
 													minute: '2-digit',
 													second: '2-digit',
@@ -327,6 +351,8 @@
 									<span class="text-muted-foreground text-sm">
 										{taskStatus.next_run
 											? new Date(taskStatus.next_run).toLocaleString('en-US', {
+													month: '2-digit',
+													day: '2-digit',
 													hour: '2-digit',
 													minute: '2-digit',
 													second: '2-digit',
@@ -336,6 +362,21 @@
 									</span>
 								</div>
 							</div>
+							<div class="mt-6 border-t pt-4">
+								<Button
+									class="w-full"
+									size="sm"
+									onclick={handleTriggerDownload}
+									disabled={triggering || (taskStatus?.is_running ?? false)}
+								>
+									<DownloadIcon class="h-4 w-4" />
+									{triggering
+										? '触发中...'
+										: taskStatus?.is_running
+											? '任务运行中'
+											: '立即执行下载任务'}
+								</Button>
+							</div>
 						</div>
 					{:else}
 						<div class="text-muted-foreground text-sm">加载中...</div>

web/src/routes/settings/+page.svelte

@@ -8,8 +8,10 @@
 	import { Separator } from '$lib/components/ui/separator/index.js';
 	import { Badge } from '$lib/components/ui/badge/index.js';
 	import * as Dialog from '$lib/components/ui/dialog/index.js';
+	import * as Tooltip from '$lib/components/ui/tooltip/index.js';
 	import PasswordInput from '$lib/components/custom/password-input.svelte';
 	import NotifierDialog from './NotifierDialog.svelte';
+	import InfoIcon from '@lucide/svelte/icons/info';
 	import api from '$lib/api';
 	import { toast } from 'svelte-sonner';
 	import { setBreadcrumb } from '$lib/stores/breadcrumb';
@@ -21,6 +23,8 @@
 	let saving = false;
 	let loading = false;
 
+	let intervalInput: string = '1200';
+
 	// Notifier 管理相关
 	let showNotifierDialog = false;
 	let editingNotifier: Notifier | null = null;
@@ -76,6 +80,13 @@
 			const response = await api.getConfig();
 			config = response.data;
 			formData = { ...config };
+
+			// 根据 interval 的类型初始化输入框
+			if (typeof formData.interval === 'number') {
+				intervalInput = String(formData.interval);
+			} else {
+				intervalInput = formData.interval;
+			}
 		} catch (error) {
 			console.error('加载配置失败:', error);
 			toast.error('加载配置失败', {
@@ -108,11 +119,32 @@
 			toast.error('配置未加载');
 			return;
 		}
+
+		// 保存前根据输入内容判断类型
+		const trimmed = intervalInput.trim();
+		const asNumber = Number(trimmed);
+
+		if (!isNaN(asNumber) && trimmed !== '') {
+			// 纯数字，作为 Interval
+			formData.interval = asNumber;
+		} else {
+			// 非数字，作为 Cron 表达式
+			formData.interval = trimmed;
+		}
+
 		saving = true;
 		try {
 			let resp = await api.updateConfig(formData);
 			formData = resp.data;
 			config = { ...formData };
+
+			// 更新输入框显示
+			if (typeof formData.interval === 'number') {
+				intervalInput = String(formData.interval);
+			} else {
+				intervalInput = formData.interval;
+			}
+
 			toast.success('配置已保存');
 		} catch (error) {
 			console.error('保存配置失败:', error);
@@ -214,8 +246,27 @@
 							/>
 						</div>
 						<div class="space-y-2">
-							<Label for="interval">同步间隔（秒）</Label>
-							<Input id="interval" type="number" min="60" bind:value={formData.interval} />
+							<div class="flex items-center gap-1">
+								<Label for="interval">任务触发条件</Label>
+								<Tooltip.Root>
+									<Tooltip.Trigger>
+										<InfoIcon class="text-muted-foreground h-3.5 w-3.5" />
+									</Tooltip.Trigger>
+									<Tooltip.Content>
+										<p class="text-xs">
+											视频下载任务的触发条件，支持两种格式：<br />
+											1. 输入数字表示间隔秒数，例如 1200 表示每隔 20 分钟触发一次； <br />
+											2. 输入 Cron 表达式，格式为“秒 分 时 日 月 周”，例如“0 0 2 * * *”表示每天凌晨2点触发一次。
+										</p>
+									</Tooltip.Content>
+								</Tooltip.Root>
+							</div>
+							<Input
+								id="interval"
+								type="text"
+								bind:value={intervalInput}
+								placeholder="1200 或 0 0 2 * * *"
+							/>
 						</div>
 						<div class="space-y-2">
 							<Label for="video-name">视频名称模板</Label>