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models.py
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models.py
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from dateutil.relativedelta import relativedelta
from django.db.models import Count, F
from django.db.models.functions import TruncMonth
from django.utils import timezone
from pydash import get
from core.collections.models import Collection, CollectionReference
from core.common.constants import HEAD
from core.concepts.models import Concept
from core.mappings.models import Mapping
from core.orgs.models import Organization
from core.sources.models import Source
from core.users.models import UserProfile
class MonthlyUsageReport:
def __init__(self, verbose=False, start=None, end=None):
self.verbose = verbose
self.start = start
self.end = end
self.resources = []
self.result = dict()
self.make_resources()
def make_resources(self):
self.resources.append(UserReport(start=self.start, end=self.end, verbose=self.verbose))
self.resources.append(OrganizationReport(start=self.start, end=self.end, verbose=self.verbose))
self.resources.append(SourceReport(start=self.start, end=self.end, verbose=self.verbose))
self.resources.append(CollectionReport(start=self.start, end=self.end, verbose=self.verbose))
if self.verbose:
self.resources.append(SourceVersionReport(start=self.start, end=self.end, verbose=self.verbose))
self.resources.append(CollectionVersionReport(start=self.start, end=self.end, verbose=self.verbose))
self.resources.append(CollectionReferenceReport(start=self.start, end=self.end, verbose=self.verbose))
self.resources.append(ConceptReport(start=self.start, end=self.end, verbose=self.verbose))
self.resources.append(MappingReport(start=self.start, end=self.end, verbose=self.verbose))
def prepare(self):
self.result['start'] = self.resources[0].start
self.result['end'] = self.resources[0].end
for resource in self.resources:
self.result[resource.resource] = resource.get_monthly_report()
class ResourceReport:
queryset = None
resource = None
pk = 'mnemonic'
def __init__(self, start=None, end=None, verbose=False, instance_ids=None):
self.verbose = verbose
now = timezone.now()
self.start = start or (now - relativedelta(months=6)).date()
self.end = end or now.date()
self.total = 0
self.active = 0
self.inactive = 0
self.instance_ids = instance_ids
self.instances = self.get_instances()
self.created_monthly_distribution = None
self.result = dict()
self.set_date_range()
def get_instances(self):
if self.instance_ids:
return self.queryset.filter(**{"{}__in".format(self.pk): self.instance_ids})
return None
@staticmethod
def get_active_filter(active=True):
return dict(retired=not active)
def set_date_range(self):
self.queryset = self.queryset.filter(created_at__gte=self.start, created_at__lte=self.end)
def set_total(self):
self.total = self.queryset.count()
def set_active(self):
self.active = self.queryset.filter(**self.get_active_filter()).count()
def set_inactive(self):
self.inactive = self.queryset.filter(**self.get_active_filter(False)).count()
def set_created_monthly_distribution(self):
self.created_monthly_distribution = self.get_distribution()
def get_distribution(self, date_attr='created_at', count_by='id'):
return self.queryset.annotate(
month=TruncMonth(date_attr)
).filter(
month__gte=self.start, month__lte=self.end
).values('month').annotate(total=Count(count_by)).values('month', 'total').order_by('-month')
def get_monthly_report(self):
self.set_total()
self.set_created_monthly_distribution()
self.result = dict(
total=self.total, created_monthly=self.format_distribution(self.created_monthly_distribution)
)
if self.resource not in ['collection_references']:
self.set_active()
self.set_inactive()
self.result['active'] = self.active
self.result['inactive'] = self.inactive
return self.result
@staticmethod
def format_distribution(queryset):
formatted = list()
for item in queryset:
month = item['month']
if month:
result = dict()
result[item['month'].strftime('%b %Y')] = item['total']
formatted.append(result)
return formatted
class UserReport(ResourceReport):
queryset = UserProfile.objects
resource = 'users'
pk = 'username'
def __init__(self, start=None, end=None, verbose=False, instance_ids=None):
super().__init__(start, end, verbose, instance_ids)
self.last_login_monthly_distribution = None
@staticmethod
def get_active_filter(active=True):
return dict(is_active=active)
def set_last_login_monthly_distribution(self):
self.last_login_monthly_distribution = self.get_distribution('last_login')
def get_monthly_report(self):
self.result = super().get_monthly_report()
self.set_last_login_monthly_distribution()
self.result['last_login_monthly'] = self.format_distribution(self.last_login_monthly_distribution)
return self.result
def get_authoring_report(self):
if self.instances is not None:
for user in self.instances:
user_result = dict()
for app, model in [
('concepts', 'concept'), ('mappings', 'mapping'), ('sources', 'source'),
('collections', 'collection'), ('users', 'userprofile'), ('orgs', 'organization')
]:
created = get(user, "{}_{}_related_created_by".format(app, model)).count()
updated = get(user, "{}_{}_related_updated_by".format(app, model)).count()
user_result[app] = dict(created=created, updated=updated)
self.result[user.username] = user_result
return self.result
class OrganizationReport(ResourceReport):
queryset = Organization.objects
resource = 'organizations'
@staticmethod
def get_active_filter(active=True):
return dict(is_active=active)
class SourceReport(ResourceReport):
queryset = Source.objects.filter(version=HEAD)
resource = 'sources'
class CollectionReport(ResourceReport):
queryset = Collection.objects.filter(version=HEAD)
resource = 'collections'
class SourceVersionReport(ResourceReport):
queryset = Source.objects.exclude(version=HEAD)
resource = 'source_versions'
class CollectionVersionReport(ResourceReport):
queryset = Collection.objects.exclude(version=HEAD)
resource = 'collection_versions'
class CollectionReferenceReport(ResourceReport):
queryset = CollectionReference.objects.filter(collections__version=HEAD)
resource = 'collection_references'
class ConceptReport(ResourceReport):
queryset = Concept.objects.filter(id=F('versioned_object_id'))
resource = 'concepts'
class MappingReport(ResourceReport):
queryset = Mapping.objects.filter(id=F('versioned_object_id'))
resource = 'mappings'