backend/app/search/services/hints.py

from search.models import Product, Category, Characteristic


def get_hints(content: str) -> str:
    category = 'Unknown'
    if content in list(map(lambda product: product.name, Product.objects.all())):
        category = 'Name'
    elif content in list(map(lambda category: category.name, Category.objects.all())):
        category = 'Category'
    elif content in list(map(lambda char: char.value, Characteristic.objects.all())):
        category = Characteristic.objects.get(value=content).name
    return category