"""
Export mineral data as a JSON fixture for loading on the production server.

Usage:
    python manage.py export_minerals > dailystone/fixtures/minerals.json
    python manage.py loaddata dailystone/fixtures/minerals.json
"""
import json
import sys

from django.core.management.base import BaseCommand
from django.core import serializers

from dailystone.models import Mineral


class Command(BaseCommand):
    help = 'Export mineral data as a Django fixture (JSON)'

    def handle(self, *args, **options):
        data = serializers.serialize('json', Mineral.objects.all(), indent=2)
        self.stdout.write(data)