106 lines
4.0 KiB
Python
106 lines
4.0 KiB
Python
from django.db.models import Q
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from cookbook.models import Unit, SupermarketCategory, FoodProperty, FoodPropertyType, Supermarket, SupermarketCategoryRelation
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def import_units(data, request):
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unit_name_list = []
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for u in list(data['unit'].keys()):
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unit_name_list.append(data['unit'][u]['name'])
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unit_name_list.append(data['unit'][u]['plural_name'])
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existing_units = Unit.objects.filter(space=request.space).filter(Q(name__in=unit_name_list) | Q(plural_name__in=unit_name_list)).values_list('name', 'plural_name')
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existing_units = [item for sublist in existing_units for item in sublist]
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insert_list = []
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for u in list(data['unit'].keys()):
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if not (data['unit'][u]['name'] in existing_units or data['unit'][u]['plural_name'] in existing_units):
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insert_list.append(Unit(
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name=data['unit'][u]['name'],
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plural_name=data['unit'][u]['plural_name'],
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base_unit=data['unit'][u]['base_unit'] if data['unit'][u]['base_unit'] != '' else None,
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open_data_slug=u,
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space=request.space
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))
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Unit.objects.bulk_create(insert_list)
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return len(insert_list)
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def import_category(data, request):
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identifier_list = []
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datatype = 'category'
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for k in list(data[datatype].keys()):
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identifier_list.append(data[datatype][k]['name'])
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existing_objects = SupermarketCategory.objects.filter(space=request.space).filter(name__in=identifier_list).values_list('name', flat=True)
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insert_list = []
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for k in list(data[datatype].keys()):
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if not (data[datatype][k]['name'] in existing_objects):
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insert_list.append(SupermarketCategory(
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name=data[datatype][k]['name'],
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open_data_slug=k,
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space=request.space
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))
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SupermarketCategory.objects.bulk_create(insert_list)
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return len(insert_list)
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def import_property(data, request):
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identifier_list = []
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datatype = 'property'
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for k in list(data[datatype].keys()):
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identifier_list.append(data[datatype][k]['name'])
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existing_objects = FoodPropertyType.objects.filter(space=request.space).filter(name__in=identifier_list).values_list('name', flat=True)
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insert_list = []
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for k in list(data[datatype].keys()):
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if not (data[datatype][k]['name'] in existing_objects):
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insert_list.append(FoodPropertyType(
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name=data[datatype][k]['name'],
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unit=data[datatype][k]['unit'],
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open_data_slug=k,
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space=request.space
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))
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FoodPropertyType.objects.bulk_create(insert_list)
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return len(insert_list)
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def import_supermarket(data, request):
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identifier_list = []
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datatype = 'supermarket'
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for k in list(data[datatype].keys()):
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identifier_list.append(data[datatype][k]['name'])
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existing_objects = Supermarket.objects.filter(space=request.space).filter(name__in=identifier_list).values_list('name', flat=True)
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supermarket_categories = SupermarketCategory.objects.filter(space=request.space, open_data_slug__isnull=False).values_list('id', 'open_data_slug')
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insert_list = []
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for k in list(data[datatype].keys()):
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if not (data[datatype][k]['name'] in existing_objects): # TODO on large datasets see if bulk creating supermarkets and then relations as well is better
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supermarket = Supermarket.objects.create(
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name=data[datatype][k]['name'],
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open_data_slug=k,
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space=request.space
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)
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relations = []
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order = 0
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for c in data[datatype][k]['categories']:
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relations.append(
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SupermarketCategoryRelation(
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supermarket=supermarket,
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category_id=[x[0] for x in supermarket_categories if x[1] == c][0],
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order=order,
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)
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)
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order += 1
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SupermarketCategoryRelation.objects.bulk_create(relations)
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return len(insert_list)
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