A few more api call basics

web/pages/api/v1/bookmarks/[bookmarkId].js

@@ -0,0 +1,46 @@
+import db from "../../../../lib/db";
+import { withErrorHandling, withSession } from "../../../../lib/apiHelpers";
+
+const handler = withErrorHandling(
+  withSession(async (req, res, session) => {
+    const { method } = req;
+    const { user } = session;
+
+    switch (method) {
+      case "GET":
+        await getBookmark(req, res, user);
+        break;
+      default:
+        res.setHeader("Allow", ["GET", "POST"]);
+        res.status(405).end(`Method ${method} Not Allowed`);
+    }
+  })
+);
+
+const getBookmark = async (req, res, user) => {
+  const { bookmarkId } = req.query;
+
+  if (!bookmarkId) {
+    res.status(404).end();
+    return;
+  }
+
+  const params = {
+    TableName: process.env.FMN_DYNAMODB_TABLENAME,
+    KeyConditionExpression: "hk = :hk AND sk = :sk",
+    ExpressionAttributeValues: {
+      ":hk": `user#${user.sub}`,
+      ":sk": `bookmark#${bookmarkId}`,
+    },
+  };
+
+  let bookmarks = await db.query(params).promise();
+
+  if (bookmarks.Items.length == 1) {
+    res.status(200).json(bookmarks.Items[0]);
+  } else {
+    res.status(404).end();
+  }
+};
+
+export default handler;