Add proxy request route for bulk_create function

src/routes/api/[entity]/bulk_create/+server.ts

@@ -0,0 +1,29 @@
+import type { ErrorMessage } from "$lib/api";
+import { EntityTypes, type EntityType, type EntityName, bulk_create } from "$lib/entities";
+import type { RequestHandler } from "./$types";
+
+function isErrorMessage(value: any): value is ErrorMessage {
+  return value && typeof value.message === 'string';
+}
+
+export const POST: RequestHandler = async ({ request, cookies, params }): Promise<Response> => {
+  const session = cookies.get('session')
+  const { entity } = params;
+
+  if (!session) {
+    throw new Response(JSON.stringify("no cookies"), { status: 401 })
+  }
+
+  if (!(entity in EntityTypes)) {
+    return new Response(JSON.stringify("Invalid entity"), { status: 400 });
+  }
+
+  const entityName = entity as EntityName;
+  const data: EntityType<typeof entityName> = await request.json();
+
+  const result = await bulk_create<EntityType<typeof entityName>>(entityName, data, session);
+  if (isErrorMessage(result)) {
+    return new Response(JSON.stringify(result), { status: 500 })
+  }
+  return new Response(JSON.stringify(result), { status: 200 })
+}