Added something to the new API routes

src/routes/api/user/+server.ts

@@ -0,0 +1,70 @@
+import * as validation from "$lib/helper/formValidation";
+import { error, type RequestHandler } from "@sveltejs/kit";
+
+export const GET: RequestHandler = async ({ url, locals }) => {
+  const supabase = locals.supabase;
+
+  const id = url.searchParams.get("id");
+
+  if (!id) {
+    error(400, 'URL parameter "id" is missing.');
+  }
+
+  const { data, error: resError } = await supabase
+    .from("users")
+    .select()
+    .eq("id", id)
+    .single();
+
+  if (resError) {
+    error(500, resError.message);
+  }
+
+  return new Response(data);
+};
+
+export const POST: RequestHandler = async ({ locals, request }) => {
+  const supabase = locals.supabase;
+  const { user: authUser } = await locals.safeGetSession();
+
+  if (!authUser) {
+    error(400, "You have to be signed in");
+  }
+
+  const { data: currentUserDbData } = await supabase
+    .from("users")
+    .select()
+    .eq("id", authUser.id);
+
+  if (currentUserDbData && currentUserDbData.length > 0) {
+    error(400, "A user with this auth id already exists");
+  }
+
+  const { urlUsername, displayedUsername, bio } = await request.json();
+
+  const usernameCheck = await validation.usernameCheck(urlUsername);
+  const displayedUsernameCheck =
+    validation.displayedNameCheck(displayedUsername);
+  const bioCheck = validation.bioCheck(bio);
+
+  if (!usernameCheck.isValid) {
+    error(400, usernameCheck.message);
+  } else if (!displayedUsernameCheck.isValid) {
+    error(400, displayedUsernameCheck.message);
+  } else if (!bioCheck.isValid) {
+    error(400, bioCheck.message);
+  }
+
+  const { error: resError } = await supabase.from("users").insert({
+    id: authUser.id,
+    url_username: urlUsername,
+    displayed_username: displayedUsername,
+    bio,
+  });
+
+  if (resError) {
+    error(500, resError.message);
+  }
+
+  return new Response("Inserted successfully");
+};