feat: 重构导航和博客系统，支持多级菜单和API数据源

- 重构导航菜单支持多级子菜单结构
- 博客系统改为从API获取数据，移除本地文件存储
- 删除旧的关于页面，准备重构
- 修复博客详情页slug匹配问题
- 默认首页重定向到中文版本

lib/getBlogs.ts

@@ -1,66 +1,92 @@
 import { DEFAULT_LOCALE } from '@/i18n/routing';
 import { BlogPost } from '@/types/blog';
-import fs from 'fs';
-import matter from 'gray-matter';
-import path from 'path';
 
-const POSTS_BATCH_SIZE = 10;
-
-export async function getPosts(locale: string = DEFAULT_LOCALE): Promise<{ posts: BlogPost[] }> {
-  const postsDirectory = path.join(process.cwd(), 'blogs', locale);
-
-  // is directory exist
-  if (!fs.existsSync(postsDirectory)) {
-    return { posts: [] };
+export async function getPosts(locale: string = DEFAULT_LOCALE, category?: string): Promise<{ posts: BlogPost[], total: number }> {
+  const Id_Map: Record<string, string> = {
+    'announce': '1989174108560080897',
+    'news': '1988814504336605185',
+    'event': '1989174018231549954',
   }
 
-  let filenames = await fs.promises.readdir(postsDirectory);
-  filenames = filenames.reverse();
+  let url = 'http://49.232.154.205:18081/export/article/list?pageNum=1&pageSize=10&langCode=' + locale;
+  if (category) {
+    url += '&categoryId=' + Id_Map[category || 'announce']
+  }
 
-  let allPosts: BlogPost[] = [];
+  console.log(url);
+
+  const response = await fetch(url);
+  const data = await response.json();
+  const posts = data.rows.map((item: any) => {
+    return {
+      locale, // use locale parameter
+      title: item.title,
+      description: item.summary,
+      image: item.cover || '',
+      slug: item.articleId,
+      tags: '',
+      date: item.publishedTime,
+      // visible: data.visible || 'published',
+      pin: false,
+      content: item.content,
+      metadata: data,
+    }
+
+  }) || [];
+
+  // // is directory exist
+  // if (!fs.existsSync(postsDirectory)) {
+  //   return { posts: [] };
+  // }
+
+  // let filenames = await fs.promises.readdir(postsDirectory);
+  // filenames = filenames.reverse();
+
+  // let allPosts: BlogPost[] = [];
 
   // read file by batch
-  for (let i = 0; i < filenames.length; i += POSTS_BATCH_SIZE) {
-    const batchFilenames = filenames.slice(i, i + POSTS_BATCH_SIZE);
+  // for (let i = 0; i < filenames.length; i += POSTS_BATCH_SIZE) {
+  //   const batchFilenames = filenames.slice(i, i + POSTS_BATCH_SIZE);
 
-    const batchPosts: BlogPost[] = await Promise.all(
-      batchFilenames.map(async (filename) => {
-        const fullPath = path.join(postsDirectory, filename);
-        const fileContents = await fs.promises.readFile(fullPath, 'utf8');
+  //   const batchPosts: BlogPost[] = await Promise.all(
+  //     batchFilenames.map(async (filename) => {
+  //       const fullPath = path.join(postsDirectory, filename);
+  //       const fileContents = await fs.promises.readFile(fullPath, 'utf8');
 
-        const { data, content } = matter(fileContents);
+  //       const { data, content } = matter(fileContents);
 
-        return {
-          locale, // use locale parameter
-          title: data.title,
-          description: data.description,
-          image: data.image || '',
-          slug: data.slug,
-          tags: data.tags,
-          date: data.date,
-          visible: data.visible || 'published',
-          pin: data.pin || false,
-          content,
-          metadata: data,
-        };
-      })
-    );
+  //       return {
+  //         locale, // use locale parameter
+  //         title: data.title,
+  //         description: data.description,
+  //         image: data.image || '',
+  //         slug: data.slug,
+  //         tags: data.tags,
+  //         date: data.date,
+  //         visible: data.visible || 'published',
+  //         pin: data.pin || false,
+  //         content,
+  //         metadata: data,
+  //       };
+  //     })
+  //   );
 
-    allPosts.push(...batchPosts);
-  }
+  //   allPosts.push(...batchPosts);
+  // }
 
   // filter out non-published articles
-  allPosts = allPosts.filter(post => post.visible === 'published');
+  // allPosts = allPosts.filter(post => post.visible === 'published');
 
   // sort posts by pin and date
-  allPosts = allPosts.sort((a, b) => {
-    if (a.pin !== b.pin) {
-      return (b.pin ? 1 : 0) - (a.pin ? 1 : 0);
-    }
-    return new Date(b.date).getTime() - new Date(a.date).getTime();
-  });
+  // allPosts = allPosts.sort((a, b) => {
+  //   if (a.pin !== b.pin) {
+  //     return (b.pin ? 1 : 0) - (a.pin ? 1 : 0);
+  //   }
+  //   return new Date(b.date).getTime() - new Date(a.date).getTime();
+  // });
 
   return {
-    posts: allPosts,
+    posts,
+    total: data.total,
   };
 }