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Heisse Preise

A terrible grocery price search "app". Fetches data from big Austrian grocery chains daily and lets you search them. See https://heisse-preise.io.

You can also get the raw data. The raw data is returned as a JSON array of items. An item has the following fields:

  • store: either billa or spar.
  • name: the product name.
  • price: the current price in €.
  • priceHistory: an array of { date: "yyyy-mm-dd", price: number } objects, sorted in descending order of date.
  • unit: unit the product is sold at. May be undefined.

To run this terrible project locally, you'll need to install Docker.

The project consists of a trivial NodeJS Express server responsible for fetching the product data, massaging it, and serving it to the front end (see index.js). The front end is a least-effort vanilla HTML/JS search form (see sources in site/).

For development, run docker/control.sh startdev. You can connect to both the NodeJS server and the client for debugging in Visual Studio code via the client-server launch configuration (found in .vscode/launch.json).

For production, run docker/control.sh start.