Initial commit

src/app/api/swarm/posts/[id]/route.ts

@@ -0,0 +1,90 @@
+/**
+ * Swarm Post Endpoint
+ * 
+ * GET: Returns a single post for swarm requests
+ */
+
+import { NextRequest, NextResponse } from 'next/server';
+import { db, posts, users, media } from '@/db';
+import { eq } from 'drizzle-orm';
+
+type RouteContext = { params: Promise<{ id: string }> };
+
+/**
+ * GET /api/swarm/posts/[id]
+ * 
+ * Returns a single post with author info.
+ * Used by other nodes to fetch post details.
+ */
+export async function GET(request: NextRequest, context: RouteContext) {
+  try {
+    const { id: postId } = await context.params;
+
+    if (!db) {
+      return NextResponse.json({ error: 'Database not available' }, { status: 503 });
+    }
+
+    const nodeDomain = process.env.NEXT_PUBLIC_NODE_DOMAIN || 'localhost';
+
+    // Find the post with author
+    const post = await db.query.posts.findFirst({
+      where: eq(posts.id, postId),
+      with: { author: true },
+    });
+
+    if (!post) {
+      return NextResponse.json({ error: 'Post not found' }, { status: 404 });
+    }
+
+    if (post.isRemoved) {
+      return NextResponse.json({ error: 'Post not found' }, { status: 404 });
+    }
+
+    // Get media for the post
+    const postMedia = await db
+      .select({ url: media.url, mimeType: media.mimeType, altText: media.altText })
+      .from(media)
+      .where(eq(media.postId, postId));
+
+    const author = post.author as {
+      handle: string;
+      displayName: string | null;
+      avatarUrl: string | null;
+      isNsfw: boolean;
+    };
+
+    return NextResponse.json({
+      id: post.id,
+      content: post.content,
+      createdAt: post.createdAt.toISOString(),
+      author: {
+        handle: author.handle,
+        displayName: author.displayName || author.handle,
+        avatarUrl: author.avatarUrl || undefined,
+        isNsfw: author.isNsfw,
+      },
+      nodeDomain,
+      isNsfw: post.isNsfw || author.isNsfw,
+      likesCount: post.likesCount,
+      repostsCount: post.repostsCount,
+      repliesCount: post.repliesCount,
+      media: postMedia.length > 0 ? postMedia.map(m => ({
+        url: m.url,
+        mimeType: m.mimeType || undefined,
+        altText: m.altText || undefined,
+      })) : undefined,
+      linkPreviewUrl: post.linkPreviewUrl || undefined,
+      linkPreviewTitle: post.linkPreviewTitle || undefined,
+      linkPreviewDescription: post.linkPreviewDescription || undefined,
+      linkPreviewImage: post.linkPreviewImage || undefined,
+      replyToId: post.replyToId || undefined,
+      repostOfId: post.repostOfId || undefined,
+    });
+  } catch (error) {
+    console.error('Swarm post error:', error);
+    return NextResponse.json(
+      { error: 'Failed to fetch post' },
+      { status: 500 }
+    );
+  }
+}