all fixes for Project.creatorId and Organisation tables

packages/backend/src/routes/project/by-creator.ts

@@ -0,0 +1,26 @@
+import type { BunRequest } from "bun";
+import { getProjectsByCreatorID, getUserById } from "../../db/queries";
+
+// /projects/by-creator?creatorId=1
+export default async function projectsByCreator(req: BunRequest) {
+    const url = new URL(req.url);
+    const creatorId = url.searchParams.get("creatorId");
+
+    if (!creatorId) {
+        return new Response("creatorId is required", { status: 400 });
+    }
+
+    const creatorIdNumber = Number(creatorId);
+    if (!Number.isInteger(creatorIdNumber)) {
+        return new Response("creatorId must be an integer", { status: 400 });
+    }
+
+    const creator = await getUserById(creatorIdNumber);
+    if (!creator) {
+        return new Response(`user with id ${creatorId} not found`, { status: 404 });
+    }
+
+    const projects = await getProjectsByCreatorID(creator.id);
+
+    return Response.json(projects);
+}