feat: 在文章管理中支持关联系列及设置排序

src/routes/admin/posts/+page.server.ts

@@ -7,6 +7,7 @@ interface PostListRow {
 	date: string;
 	author: string | null;
 	category?: string;
+	series?: string;
 }
 export const load: PageServerLoad = async ({ platform }) => {
 	const db = platform?.env?.DB;
@@ -21,10 +22,12 @@ export const load: PageServerLoad = async ({ platform }) => {
 		let results: PostListRow[];
 		try {
 			const queryRes = await db.prepare(
-				`SELECT p.id, p.title, p.slug, p.published_at as date, u.username as author, c.name as category 
+				`SELECT p.id, p.title, p.slug, p.published_at as date, u.username as author,
+				 c.name as category, s.name as series
 				 FROM posts p 
 				 LEFT JOIN users u ON p.author_id = u.id 
 				 LEFT JOIN categories c ON p.category_id = c.id
+				 LEFT JOIN series s ON p.series_id = s.id
 				 ORDER BY p.published_at DESC`
 			).all<PostListRow>();
 			results = queryRes.results;
@@ -36,7 +39,7 @@ export const load: PageServerLoad = async ({ platform }) => {
 				 LEFT JOIN users u ON p.author_id = u.id 
 				 ORDER BY p.published_at DESC`
 			).all<PostListRow>();
-			results = queryRes.results.map(r => ({ ...r, category: '未分类' }));
+			results = queryRes.results.map(r => ({ ...r, category: '未分类', series: '' }));
 		}
 
 		// Format date for display

src/routes/admin/posts/+page.svelte

@@ -58,6 +58,7 @@
 					<th>ID</th>
 					<th>标题</th>
 					<th>分类</th>
+					<th>{$page.data.aliases?.series || '系列'}</th>
 					<th>别名 (Slug)</th>
 					<th>作者</th>
 					<th>发布时间</th>
@@ -78,6 +79,7 @@
 							</a>
 						</td>
 					<td><span class="badge">{post.category || '未分类'}</span></td>
+					<td>{post.series || '—'}</td>
 						<td><span class="badge">{post.slug}</span></td>
 						<td>{post.author || '未知'}</td>
 						<td>{post.dateStr}</td>

src/routes/admin/posts/[id]/+page.server.ts

@@ -1,5 +1,11 @@
-import { error, fail, redirect } from '@sveltejs/kit';
+import { error, fail, isHttpError, redirect } from '@sveltejs/kit';
 import type { Actions, PageServerLoad } from './$types';
+import {
+	parseSeriesId,
+	parseSeriesWeight,
+	resolveSeriesWeight,
+	SeriesValidationError
+} from '$lib/server/series';
 
 export const load: PageServerLoad = async ({ params, platform }) => {
 	const db = platform?.env?.DB;
@@ -11,8 +17,8 @@ export const load: PageServerLoad = async ({ params, platform }) => {
 
 	try {
 		const post = await db.prepare(
-			'SELECT id, title, slug, content, cover, category_id, published_at, updated_at FROM posts WHERE id = ?'
+			'SELECT id, title, slug, content, cover, category_id, series_id, series_weight, published_at, updated_at FROM posts WHERE id = ?'
-		).bind(postId).first<{ id: number; title: string; slug: string; content: string; cover: string | null; category_id: number | null; published_at?: string; updated_at?: string }>();
+		).bind(postId).first<{ id: number; title: string; slug: string; content: string; cover: string | null; category_id: number | null; series_id: number | null; series_weight: number | null; published_at?: string; updated_at?: string }>();
 
 		if (!post) {
 			throw error(404, '文章不存在');
@@ -20,18 +26,20 @@ export const load: PageServerLoad = async ({ params, platform }) => {
 
 		const { results: allTags } = await db.prepare('SELECT id, name FROM tags ORDER BY name ASC').all();
 		const { results: allCategories } = await db.prepare('SELECT id, name FROM categories ORDER BY name ASC').all();
+		const { results: allSeries } = await db.prepare('SELECT id, name, slug FROM series ORDER BY name COLLATE NOCASE ASC').all();
 
-		const { results: selectedTagRows } = await db.prepare('SELECT tag_id FROM post_tags WHERE post_id = ?').bind(postId).all();
+		const { results: selectedTagRows } = await db.prepare('SELECT tag_id FROM post_tags WHERE post_id = ?').bind(postId).all<{ tag_id: number }>();
-		const selectedTagIds = selectedTagRows.map((r: any) => r.tag_id as number);
+		const selectedTagIds = selectedTagRows.map((row) => row.tag_id);
 
 		return {
 			post,
 			tags: allTags as unknown as { id: number; name: string }[],
 			categories: allCategories as unknown as { id: number; name: string }[],
+			series: allSeries as unknown as { id: number; name: string; slug: string }[],
 			selectedTagIds
 		};
-	} catch (err: any) {
+	} catch (err: unknown) {
-		if (err?.status === 404) throw err;
+		if (isHttpError(err, 404)) throw err;
 		console.error('Error loading post for edit:', err);
 		throw error(500, '读取文章详情失败');
 	}
@@ -58,20 +66,35 @@ export const actions: Actions = {
 			return fail(400, { error: '标题、URL 别名和文章正文为必填项' });
 		}
 
+		let seriesId: number | null;
+		let seriesWeight: number | null;
+		try {
+			seriesId = parseSeriesId(formData.get('series_id'));
+			seriesWeight = await resolveSeriesWeight(
+				db,
+				seriesId,
+				parseSeriesWeight(formData.get('series_weight')),
+				postId
+			);
+		} catch (err) {
+			if (err instanceof SeriesValidationError) return fail(400, { error: err.message });
+			throw err;
+		}
+
 		try {
 			// 更新文章表
 			if (publishedAt) {
 				await db.prepare(
 					`UPDATE posts 
-					 SET title = ?, slug = ?, content = ?, cover = ?, category_id = ?, published_at = ?, updated_at = ?
+					 SET title = ?, slug = ?, content = ?, cover = ?, category_id = ?, series_id = ?, series_weight = ?, published_at = ?, updated_at = ?
 					 WHERE id = ?`
-				).bind(title, slug, content, cover, categoryId, publishedAt, updatedAt, postId).run();
+				).bind(title, slug, content, cover, categoryId, seriesId, seriesWeight, publishedAt, updatedAt, postId).run();
 			} else {
 				await db.prepare(
 					`UPDATE posts 
-					 SET title = ?, slug = ?, content = ?, cover = ?, category_id = ?, updated_at = ?
+					 SET title = ?, slug = ?, content = ?, cover = ?, category_id = ?, series_id = ?, series_weight = ?, updated_at = ?
 					 WHERE id = ?`
-				).bind(title, slug, content, cover, categoryId, updatedAt, postId).run();
+				).bind(title, slug, content, cover, categoryId, seriesId, seriesWeight, updatedAt, postId).run();
 			}
 
 			// 清除原有标签并重新绑定
@@ -82,9 +105,9 @@ export const actions: Actions = {
 					await db.prepare('INSERT INTO post_tags (post_id, tag_id) VALUES (?, ?)').bind(postId, tagId).run();
 				}
 			}
-		} catch (err: any) {
+		} catch (err: unknown) {
 			console.error('Error updating post:', err);
-			if (err?.message?.includes('UNIQUE constraint failed')) {
+			if (err instanceof Error && err.message.includes('UNIQUE constraint failed')) {
 				return fail(400, { error: 'URL 别名 (Slug) 已被其他文章占用' });
 			}
 			return fail(500, { error: '保存修改失败' });

src/routes/admin/posts/[id]/+page.svelte

@@ -16,9 +16,12 @@
 	let publishedAt = $state(data.post.published_at || '');
 	let updatedAt = $state(data.post.updated_at || '');
 	let selectedCategoryId = $state<number | string>(data.post.category_id ?? '');
+	let selectedSeriesId = $state<number | string>(data.post.series_id ?? '');
+	let seriesWeight = $state<number | string>(data.post.series_weight ?? '');
 	let fileInput: HTMLInputElement;
 	let selectedTags = $state<number[]>(data.selectedTagIds || []);
 	let tagsList = $state(data.tags || []);
+	let seriesList = $state(data.series || []);
 
 	function toggleTag(tagId: number) {
 		if (selectedTags.includes(tagId)) {
@@ -169,7 +172,36 @@
 				}
 			}
 
-			// 2. 标签处理：同步点选或即刻新增入参
+			selectedSeriesId = '';
+			seriesWeight = imported.series_weight ?? '';
+			if (imported.series.length > 0) {
+				if (imported.series.length > 1) {
+					alert(`检测到多个系列：${imported.series.join('、')}。BlogFlare 每篇文章只能属于一个系列，本次将选择第一个系列。`);
+				}
+
+				const seriesName = imported.series[0].trim();
+				let matchedSeries = seriesList.find(item => item.name.trim().toLowerCase() === seriesName.toLowerCase());
+				if (!matchedSeries && seriesName) {
+					const formData = new FormData();
+					formData.append('name', seriesName);
+					const response = await fetch('/admin/series?/create', {
+						method: 'POST',
+						body: formData,
+						headers: { 'x-sveltekit-action': 'true' }
+					});
+					const actionResult = deserialize(await response.text()) as any;
+					if (actionResult.type === 'success' && actionResult.data?.series) {
+						const createdSeries = actionResult.data.series as { id: number; name: string; slug: string };
+						matchedSeries = createdSeries;
+						seriesList = [...seriesList, createdSeries];
+					} else {
+						alert(actionResult.data?.error || `无法创建系列“${seriesName}”，请在系列管理中检查名称和 URL 别名。`);
+					}
+				}
+				if (matchedSeries) selectedSeriesId = matchedSeries.id;
+			}
+
+			// 3. 标签处理：同步点选或即刻新增入参
 			for (const tagName of imported.tags) {
 				const val = tagName.trim();
 				if (!val) continue;
@@ -331,6 +363,25 @@
 				</select>
 			</div>
 
+			<div class="sidebar-box">
+				<h3>{$page.data.aliases?.series || '系列'}</h3>
+				<select name="series_id" class="select-input" bind:value={selectedSeriesId}>
+					<option value="">-- 无 --</option>
+					{#each seriesList as series}
+						<option value={series.id}>{series.name}</option>
+					{/each}
+				</select>
+				<input
+					type="number"
+					name="series_weight"
+					class="sidebar-input series-weight-input"
+					bind:value={seriesWeight}
+					placeholder="顺序（留空自动追加）"
+					disabled={!selectedSeriesId}
+					step="1"
+				/>
+			</div>
+
 			<div class="sidebar-box">
 				<h3>标签</h3>
 				<div class="selected-tags-vertical">
@@ -611,6 +662,10 @@
 		border-bottom: none;
 	}
 
+	.series-weight-input {
+		margin-top: 10px;
+	}
+
 	.selected-tags-vertical {
 		display: flex;
 		flex-direction: column;

src/routes/admin/posts/new/+page.server.ts

@@ -1,23 +1,32 @@
 import { fail, redirect } from '@sveltejs/kit';
 import type { Actions, PageServerLoad } from './$types';
+import {
+	parseSeriesId,
+	parseSeriesWeight,
+	resolveSeriesWeight,
+	SeriesValidationError
+} from '$lib/server/series';
 
 export const load: PageServerLoad = async ({ platform }) => {
 	const db = platform?.env?.DB;
 	let tags: { id: number; name: string }[] = [];
 	let categories: { id: number; name: string }[] = [];
+	let series: { id: number; name: string; slug: string }[] = [];
 
 	if (db) {
 		try {
 			const { results: tagResults } = await db.prepare('SELECT id, name FROM tags ORDER BY name ASC').all();
 			const { results: catResults } = await db.prepare('SELECT id, name FROM categories ORDER BY name ASC').all();
+			const { results: seriesResults } = await db.prepare('SELECT id, name, slug FROM series ORDER BY name COLLATE NOCASE ASC').all();
 			
 			tags = tagResults as unknown as { id: number; name: string }[];
 			categories = catResults as unknown as { id: number; name: string }[];
+			series = seriesResults as unknown as { id: number; name: string; slug: string }[];
 		} catch (err) {
 			console.error('Error fetching tags or categories:', err);
 		}
 	}
-	return { tags, categories };
+	return { tags, categories, series };
 };
 
 export const actions: Actions = {
@@ -39,12 +48,26 @@ export const actions: Actions = {
 			return fail(400, { error: '标题、URL 别名和文章正文为必填项' });
 		}
 
+		let seriesId: number | null;
+		let seriesWeight: number | null;
+		try {
+			seriesId = parseSeriesId(formData.get('series_id'));
+			seriesWeight = await resolveSeriesWeight(
+				db,
+				seriesId,
+				parseSeriesWeight(formData.get('series_weight'))
+			);
+		} catch (err) {
+			if (err instanceof SeriesValidationError) return fail(400, { error: err.message });
+			throw err;
+		}
+
 		try {
 			const res = await db.prepare(
-				`INSERT INTO posts (title, slug, content, cover, author_id, category_id, published_at, updated_at)
+				`INSERT INTO posts (title, slug, content, cover, author_id, category_id, series_id, series_weight, published_at, updated_at)
-				 VALUES (?, ?, ?, ?, 1, ?, ?, ?)
+				 VALUES (?, ?, ?, ?, 1, ?, ?, ?, ?, ?)
 				 RETURNING id`
-			).bind(title, slug, content, cover, categoryId, publishedAt, updatedAt).first<{ id: number }>();
+			).bind(title, slug, content, cover, categoryId, seriesId, seriesWeight, publishedAt, updatedAt).first<{ id: number }>();
 
 			const postId = res?.id;
 
@@ -53,9 +76,9 @@ export const actions: Actions = {
 					await db.prepare('INSERT INTO post_tags (post_id, tag_id) VALUES (?, ?)').bind(postId, tagId).run();
 				}
 			}
-		} catch (err: any) {
+		} catch (err: unknown) {
 			console.error('Error creating post:', err);
-			if (err?.message?.includes('UNIQUE constraint failed')) {
+			if (err instanceof Error && err.message.includes('UNIQUE constraint failed')) {
 				return fail(400, { error: 'URL 别名 (Slug) 已被占用，请使用其他别名' });
 			}
 			return fail(500, { error: '保存文章失败' });

src/routes/admin/posts/new/+page.svelte

@@ -16,9 +16,12 @@
 	let publishedAt = $state('');
 	let updatedAt = $state('');
 	let selectedCategoryId = $state<string | number>('');
+	let selectedSeriesId = $state<string | number>('');
+	let seriesWeight = $state<string | number>('');
 	let fileInput: HTMLInputElement;
 
 	let tagsList = $state(data.tags || []);
+	let seriesList = $state(data.series || []);
 
 	// 自动从标题生成 Slug 简易逻辑
 	function handleTitleInput() {
@@ -175,7 +178,36 @@
 				}
 			}
 
-			// 2. 标签匹配：库有即点取，不知则自主申请向库内补充建好
+			selectedSeriesId = '';
+			seriesWeight = imported.series_weight ?? '';
+			if (imported.series.length > 0) {
+				if (imported.series.length > 1) {
+					alert(`检测到多个系列：${imported.series.join('、')}。BlogFlare 每篇文章只能属于一个系列，本次将选择第一个系列。`);
+				}
+
+				const seriesName = imported.series[0].trim();
+				let matchedSeries = seriesList.find(item => item.name.trim().toLowerCase() === seriesName.toLowerCase());
+				if (!matchedSeries && seriesName) {
+					const formData = new FormData();
+					formData.append('name', seriesName);
+					const response = await fetch('/admin/series?/create', {
+						method: 'POST',
+						body: formData,
+						headers: { 'x-sveltekit-action': 'true' }
+					});
+					const actionResult = deserialize(await response.text()) as any;
+					if (actionResult.type === 'success' && actionResult.data?.series) {
+						const createdSeries = actionResult.data.series as { id: number; name: string; slug: string };
+						matchedSeries = createdSeries;
+						seriesList = [...seriesList, createdSeries];
+					} else {
+						alert(actionResult.data?.error || `无法创建系列“${seriesName}”，请在系列管理中检查名称和 URL 别名。`);
+					}
+				}
+				if (matchedSeries) selectedSeriesId = matchedSeries.id;
+			}
+
+			// 3. 标签匹配：库有即点取，不知则自主申请向库内补充建好
 			for (const tagName of imported.tags) {
 				const val = tagName.trim();
 				if (!val) continue;
@@ -337,6 +369,25 @@
 				</select>
 			</div>
 
+			<div class="sidebar-box">
+				<h3>{$page.data.aliases?.series || '系列'}</h3>
+				<select name="series_id" class="select-input" bind:value={selectedSeriesId}>
+					<option value="">-- 无 --</option>
+					{#each seriesList as series}
+						<option value={series.id}>{series.name}</option>
+					{/each}
+				</select>
+				<input
+					type="number"
+					name="series_weight"
+					class="sidebar-input series-weight-input"
+					bind:value={seriesWeight}
+					placeholder="顺序（留空自动追加）"
+					disabled={!selectedSeriesId}
+					step="1"
+				/>
+			</div>
+
 			<div class="sidebar-box">
 				<h3>标签</h3>
 				<div class="selected-tags-vertical">
@@ -616,6 +667,10 @@
 		border-bottom: none;
 	}
 
+	.series-weight-input {
+		margin-top: 10px;
+	}
+
 	.selected-tags-vertical {
 		display: flex;
 		flex-direction: column;