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from django.db.models import Q
from ishtar_common.serializers import generic_get_results, \
archive_serialization
from archaeological_warehouse import models
WAREHOUSE_MODEL_LIST = [
models.Warehouse, models.Container,
models.WarehouseDivisionLink,
models.ContainerLocalisation
]
# TODO: associated documents
def generate_warehouse_queryset(base_query_key, ids):
warehouse_division_q, warehouse_q, container_q = None, None, None
container_loca_q = None
for find_key in ("finds", "finds_ref"):
base_key = "{}__{}".format(find_key, base_query_key)
q = Q(**{base_key: ids})
q_loca = Q(
**{"container__{}__{}".format(find_key, base_query_key): ids})
if not container_q:
container_q = q
container_loca_q = q_loca
else:
container_q |= q
container_loca_q |= q_loca
for container_key in ("containers", "owned_containers"):
q = Q(**
{"{}__{}__{}".format(container_key, find_key,
base_query_key): ids})
q_div = Q(**
{"warehouse__{}__{}__{}".format(
container_key, find_key, base_query_key): ids})
if not warehouse_q:
warehouse_q = q
warehouse_division_q = q_div
else:
warehouse_q |= q
warehouse_division_q |= q_div
result_queryset = {
models.Warehouse.__name__:
models.Warehouse.objects.filter(warehouse_q),
models.Container.__name__:
models.Container.objects.filter(container_q),
models.WarehouseDivisionLink.__name__:
models.WarehouseDivisionLink.objects.filter(
warehouse_division_q),
models.ContainerLocalisation.__name__:
models.ContainerLocalisation.objects.filter(
container_loca_q)
}
return result_queryset
def warehouse_serialization(archive=False, return_empty_types=False,
archive_name=None, operation_queryset=None,
site_queryset=None, cr_queryset=None,
find_queryset=None, warehouse_queryset=None):
result_queryset = {}
if operation_queryset:
operation_ids = operation_queryset.values_list("id", flat=True)
base_query_key = "base_finds__context_record__operation_id__in"
result_queryset = generate_warehouse_queryset(base_query_key,
operation_ids)
elif site_queryset:
site_ids = site_queryset.values_list("id", flat=True)
base_query_key = "base_finds__context_record__"\
"archaeological_site_id__in"
result_queryset = generate_warehouse_queryset(base_query_key, site_ids)
elif cr_queryset:
cr_ids = cr_queryset.values_list("id", flat=True)
base_query_key = "base_finds__context_record__id__in"
result_queryset = generate_warehouse_queryset(base_query_key, cr_ids)
elif find_queryset:
find_ids = find_queryset.values_list("id", flat=True)
base_query_key = "id__in"
result_queryset = generate_warehouse_queryset(base_query_key, find_ids)
elif warehouse_queryset:
warehouse_ids = warehouse_queryset.values_list("id", flat=True)
result_queryset = {
models.Warehouse.__name__: warehouse_queryset,
models.Container.__name__:
models.Container.objects.filter(
Q(location__id__in=warehouse_ids) |
Q(responsible__id__in=warehouse_ids)
),
models.WarehouseDivisionLink.__name__:
models.WarehouseDivisionLink.objects.filter(
warehouse_id__in=warehouse_ids),
models.ContainerLocalisation.__name__:
models.ContainerLocalisation.objects.filter(
division__warehouse_id__in=warehouse_ids)
}
result = generic_get_results(WAREHOUSE_MODEL_LIST, "warehouse",
result_queryset=result_queryset)
full_archive = archive_serialization(
result, archive_dir="warehouse", archive=archive,
return_empty_types=return_empty_types, archive_name=archive_name,
)
return full_archive
|
