def approve_selected_invoices()

in invoice-processing-pipeline/reviewer/main.py [0:0]

• 12 lines of code
• 3 McCabe index (conditional complexity)

def approve_selected_invoices():
    # Will be making changes in DB and Cloud Storage, so prepare clients
    db = firestore.Client()
    gcs = storage.Client()
    bucket = gcs.get_bucket(BUCKET_NAME)

    # Checked boxes will show up as keys in the Flask request form object
    for blob_name in request.form.keys():
        # Set the state to Approved in Firestore
        docref = db.collection("invoices").document(blob_name)
        info = docref.get().to_dict()
        info["state"] = "Approved"
        docref.set(info)

        # Rename storage blob from PROCESSED_PREFIX to APPROVED_PREFIX
        blob = bucket.get_blob(f"{PROCESSED_PREFIX}{blob_name}")
        bucket.rename_blob(blob, f"{APPROVED_PREFIX}{blob_name}")

    # Show the home page again to users
    return redirect("/")