55 lines
1.7 KiB
Python
55 lines
1.7 KiB
Python
# encoding: utf-8
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#
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# Copyright (C) 2020 willipink.eu
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# Author Moritz Münch moritzmuench@mailbox.org
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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from .models import Country, Coin
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def total_coin_sum():
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''' add each coin_sum from each country and return the result
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>>> total_coin_sum()
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173.57
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'''
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total_coin_sum = 0
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for country in Country.objects.order_by('name'):
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total_coin_sum += coin_sum_of_(country)
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return total_coin_sum
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def coin_sum_of_(country):
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''' calculate the sum of all coins from a country
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>>> coin_sum_of_(germany)
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346.82
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'''
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coin_count = {'total': 0}
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for value in [1, 2, 5, 10, 20, 50, 100, 200, 201, 202, 203]:
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coin_count[value] = Coin.objects.filter(
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country=country,
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value=value
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).exclude(found_by__isnull=True).count()
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if value > 200:
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coin_count['total'] += 200 * coin_count[value]
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else:
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coin_count['total'] += value * coin_count[value]
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return coin_count['total'] / 100
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