Initial commit: 国土空间规划课程智能体 v1.0

单容器 Docker 架构的国土空间规划课程智能问答系统，集成 FastAPI 后端与 Next.js 前端。 Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
2026-05-22 09:40:18 +08:00
commit ddbb79b9f6
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+"use client";
+
+import { useEffect, useState } from "react";
+import Link from "next/link";
+import { MessageSquare, Loader2, MessageCircle } from "lucide-react";
+
+import { forumAPI } from "@/lib/api";
+import type { ForumCategory, ForumPostSummary } from "@/types";
+import { Card, CardHeader, CardTitle, CardDescription, CardContent } from "@/components/ui/card";
+import { Button } from "@/components/ui/button";
+import { Alert, AlertDescription } from "@/components/ui/alert";
+
+export default function ForumHomePage() {
+  const [categories, setCategories] = useState<ForumCategory[]>([]);
+  const [categoryPosts, setCategoryPosts] = useState<Record<number, ForumPostSummary[]>>({});
+  const [isLoading, setIsLoading] = useState(true);
+  const [error, setError] = useState<string | null>(null);
+
+  useEffect(() => {
+    const loadCategories = async () => {
+      try {
+        setIsLoading(true);
+        const data = await forumAPI.getCategories();
+        setCategories(data);
+        const postsEntries = await Promise.all(
+          data.map(async (category) => {
+            try {
+              const posts = await forumAPI.getPosts(category.id, 10);
+              return [category.id, posts] as const;
+            } catch (err) {
+              console.warn(`加载分类 ${category.name} 的帖子失败:`, err);
+              return [category.id, []] as const;
+            }
+          })
+        );
+        setCategoryPosts(Object.fromEntries(postsEntries));
+        setError(null);
+      } catch (err) {
+        const message = err instanceof Error ? err.message : "加载论坛数据失败";
+        setError(message);
+      } finally {
+        setIsLoading(false);
+      }
+    };
+
+    loadCategories();
+  }, []);
+
+  return (
+    <div className="mit-container py-10 space-y-6">
+      <div className="space-y-2">
+        <h1 className="text-3xl font-bold flex items-center gap-2">
+          <MessageSquare className="h-7 w-7 text-primary" />
+          课程社区
+        </h1>
+        <p className="text-muted-foreground">
+          分享课程学习心得，交流系统使用体验，欢迎参与讨论。
+        </p>
+      </div>
+
+      {isLoading ? (
+        <div className="flex items-center gap-2 text-muted-foreground">
+          <Loader2 className="h-4 w-4 animate-spin" />
+          正在加载社区分类...
+        </div>
+      ) : error ? (
+        <Alert variant="destructive">
+          <AlertDescription>{error}</AlertDescription>
+        </Alert>
+      ) : (
+        <div className="grid gap-4 md:grid-cols-2">
+          {categories.map((category) => (
+            <Card key={category.id} className="flex flex-col">
+              <CardHeader>
+                <CardTitle>{category.name}</CardTitle>
+                {category.description && (
+                  <CardDescription>{category.description}</CardDescription>
+                )}
+              </CardHeader>
+              <CardContent className="flex flex-col gap-4 h-full">
+                <div className="flex items-center justify-between text-sm text-muted-foreground">
+                  <span>{category.post_count} 条讨论</span>
+                  <Button asChild size="sm" variant="ghost" className="px-2">
+                    <Link href={`/forum/${category.id}`}>进入讨论</Link>
+                  </Button>
+                </div>
+                <div className="flex-1 space-y-3 overflow-y-auto pr-1">
+                  {categoryPosts[category.id] && categoryPosts[category.id].length > 0 ? (
+                    categoryPosts[category.id].map((post) => (
+                      <Link
+                        key={post.id}
+                        href={`/forum/post/${post.id}`}
+                        className="block rounded-lg border border-border/60 hover:border-primary/50 hover:bg-muted/40 transition-colors"
+                      >
+                        <div className="px-3 py-2">
+                          <div className="font-medium text-foreground line-clamp-1">
+                            {post.title}
+                          </div>
+                          <div className="mt-1 flex items-center text-xs text-muted-foreground gap-2">
+                            <span>{post.author_name}</span>
+                            <span>·</span>
+                            <span>{new Date(new Date(post.created_at).getTime() + 8 * 60 * 60 * 1000).toLocaleString()}</span>
+                            <span>·</span>
+                            <span>{post.reply_count} 条回复</span>
+                          </div>
+                        </div>
+                      </Link>
+                    ))
+                  ) : (
+                    <div className="flex items-center gap-2 text-sm text-muted-foreground">
+                      <MessageCircle className="h-4 w-4" />
+                      暂无讨论，成为第一个发帖的人吧！
+                    </div>
+                  )}
+                </div>
+              </CardContent>
+            </Card>
+          ))}
+        </div>
+      )}
+    </div>
+  );
+}
+