From 5bd643e672a36f25a2d489677d73bc2032761165 Mon Sep 17 00:00:00 2001
From: zmeyer44 <zmmeyer44@gmail.com>
Date: Sun, 15 Oct 2023 08:40:36 -0400
Subject: [PATCH] added link preview card

---
 components/LinkCard/index.tsx | 77 +++++++++++++++++++++++++++++++++++
 lib/fetchers/metadata.ts      | 31 ++++++++++++++
 2 files changed, 108 insertions(+)
 create mode 100644 components/LinkCard/index.tsx
 create mode 100644 lib/fetchers/metadata.ts

diff --git a/components/LinkCard/index.tsx b/components/LinkCard/index.tsx
new file mode 100644
index 0000000..a78d2b6
--- /dev/null
+++ b/components/LinkCard/index.tsx
@@ -0,0 +1,77 @@
+"use client";
+
+import { useState, useEffect } from "react";
+import Image from "next/image";
+import { Button } from "@/components/ui/button";
+import {
+  Card,
+  CardContent,
+  CardDescription,
+  CardHeader,
+  CardTitle,
+} from "@/components/ui/card";
+import { cn } from "@/lib/utils";
+import { fetchMetadata } from "@/lib/fetchers/metadata";
+import { HiOutlineCheckBadge } from "react-icons/hi2";
+
+type LinkCardProps = {
+  url: string;
+  metadata?: {
+    title: string;
+    image?: string;
+    description?: string;
+    creator?: string;
+    type?: string;
+    "theme-color"?: string;
+  };
+  className?: string;
+};
+export default function LinkCard({
+  url,
+  metadata: _metadata,
+  className,
+}: LinkCardProps) {
+  const [metadata, setMetadata] = useState(_metadata);
+  useEffect(() => {
+    if (!metadata) {
+      fetchMetadata(url)
+        ?.then((r) => {
+          if (r) {
+            setMetadata(r.data);
+          }
+        })
+        .catch((e) => console.log("fetch error"));
+    }
+  }, [url]);
+  if (metadata) {
+    return (
+      <a href={url} target="_blank" rel="nonreferrer">
+        <Card className="group">
+          {metadata.image && (
+            <div className="h-[150px] overflow-hidden rounded-t-md">
+              <Image
+                width={250}
+                height={150}
+                src={metadata.image}
+                alt={metadata.title}
+                unoptimized
+                className={cn(
+                  "w-auto object-cover object-center transition-all group-hover:scale-105",
+                )}
+              />
+            </div>
+          )}
+          <div className="">
+            <CardHeader className="">
+              <CardTitle className="line-clamp-2">{metadata.title}</CardTitle>
+              <CardDescription className="line-clamp-3">
+                {metadata.description}
+              </CardDescription>
+            </CardHeader>
+          </div>
+        </Card>
+      </a>
+    );
+  }
+  return null;
+}
diff --git a/lib/fetchers/metadata.ts b/lib/fetchers/metadata.ts
new file mode 100644
index 0000000..da3d05a
--- /dev/null
+++ b/lib/fetchers/metadata.ts
@@ -0,0 +1,31 @@
+import { z } from "zod";
+import { validateUrl } from "@/lib/utils";
+import { createZodFetcher } from "zod-fetch";
+
+const fetchWithZod = createZodFetcher();
+
+const metadataSchema = z.object({
+  title: z.string(),
+  description: z.string().optional(),
+  image: z.string().optional(),
+  creator: z.string().optional(),
+  type: z.string().optional(),
+  "theme-color": z.string().optional(),
+});
+const metadataSchemaResponse = z.object({
+  data: metadataSchema,
+});
+
+export function fetchMetadata(url: string) {
+  if (!validateUrl(url)) return;
+  return fetchWithZod(
+    // The schema you want to validate with
+    metadataSchemaResponse,
+    // Any parameters you would usually pass to fetch
+    "/api/metadata",
+    {
+      method: "POST",
+      body: JSON.stringify({ url }),
+    },
+  );
+}