87 lines
3.9 KiB
Python
87 lines
3.9 KiB
Python
from django.db.models import Q, QuerySet
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from transfer.serializers.location import CountrySerializer, RegionSerializer, CitySerializer
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from transfer.models import Cities
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from pprint import pprint
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def transfer_countries():
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# queryset = Cities.objects.exclude(Q(country_code_2__isnull=True) | Q(country_code_2="")) \
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# .only("id", "country_code_2").annotate(Count("country_code_2")).order_by("country_code_2")
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queryset = Cities.objects.raw("""SELECT cities.id, cities.country_code_2
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FROM cities
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WHERE NOT ((cities.country_code_2 IS NULL
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OR (cities.country_code_2 = ''
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AND cities.country_code_2 IS NOT NULL)))
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GROUP BY cities.country_code_2""")
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queryset = [vars(query) for query in queryset]
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serialized_data = CountrySerializer(data=queryset, many=True)
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if serialized_data.is_valid():
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serialized_data.save()
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else:
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pprint(f"Country serializer errors: {serialized_data.errors}")
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def transfer_regions():
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regions_without_subregion_queryset = Cities.objects.raw("""SELECT cities.id, cities.region_code,
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cities.country_code_2, cities.subregion_code
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FROM cities
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WHERE NOT ((cities.subregion_code IS NOT NULL
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OR cities.region_code IS NULL
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OR cities.country_code_2 IS NULL
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OR (cities.region_code = ''
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AND cities.region_code IS NOT NULL)
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OR (cities.country_code_2 = ''
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AND cities.country_code_2 IS NOT NULL)))
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GROUP BY region_code""")
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regions_without_subregion_queryset = [vars(query) for query in regions_without_subregion_queryset]
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serialized_without_subregion = RegionSerializer(data=regions_without_subregion_queryset, many=True)
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if serialized_without_subregion.is_valid():
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serialized_without_subregion.save()
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else:
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pprint(f"Parent regions serializer errors: {serialized_without_subregion.errors}")
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#
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# regions_with_subregion_queryset = Cities.objects. \
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# exclude(Q(subregion_code__isnull=True) |
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# Q(subregion_code="") |
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# Q(region_code__isnull=True) |
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# Q(country_code_2__isnull=True) |
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# Q(region_code="") |
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# Q(country_code_2="")). \
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# values('region_code', 'country_code_2', 'subregion_code').distinct()
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#
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# serialized_with_subregion = RegionSerializer(data=list(regions_with_subregion_queryset.values()), many=True)
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# if serialized_with_subregion.is_valid():
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# serialized_with_subregion.save()
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# else:
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# pprint(f"Child regions serializer errors: {serialized_with_subregion.errors}")
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def transfer_cities():
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queryset = Cities.objects.exclude(Q(region_code__isnull=True) |
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Q(country_code_2__isnull=True) |
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Q(region_code="") |
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Q(country_code_2="")).only("id", "name", "latitude", "longitude", "subregion_code",
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"country_code_2", "zip_code", "is_island")
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serialized_data = CitySerializer(data=list(queryset.values()), many=True)
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if serialized_data.is_valid():
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serialized_data.save()
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else:
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pprint(f"City serializer errors: {serialized_data.errors}")
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data_types = {
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"dictionaries": [
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transfer_countries,
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],
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"tmp": [
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transfer_regions,
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# transfer_cities
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]
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}
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