Files
mayan-edms/apps/documents/statistics.py
Roberto Rosario f8e2341f4f Merge branch 'hotfix/v0.11.2' into development
Conflicts:
	apps/documents/statistics.py
	docs/changelog.rst
2012-02-02 05:23:17 -04:00

69 lines
2.6 KiB
Python

from django.utils.translation import ugettext_lazy as _
from django.db.models import Avg, Count, Min, Max
from common.utils import pretty_size, pretty_size_10
from documents.conf.settings import STORAGE_BACKEND
from documents.models import Document, DocumentType, DocumentPage, DocumentVersion
from django.db.models import Avg, Count, Min, Max
def get_used_size(path, file_list):
total_size = 0
for filename in file_list:
try:
total_size += STORAGE_BACKEND().size(STORAGE_BACKEND.separator.join([path, filename]))
except OSError:
pass
return total_size
def storage_count(path=u'.'):
directories, files = STORAGE_BACKEND().listdir(path)
total_count = len(files)
total_size = get_used_size(path, files)
for directory in directories:
file_count, files_size = storage_count(directory)
total_count += file_count
total_size += files_size
return total_count, total_size
def get_statistics():
total_db_documents = Document.objects.only('pk',).count()
paragraphs = [
_(u'Document types: %d') % DocumentType.objects.count(),
_(u'Documents in database: %d') % total_db_documents,
]
try:
total_storage_documents, storage_used_space = storage_count()
paragraphs.append(_(u'Documents in storage: %d') %
total_storage_documents)
paragraphs.append(_(u'Space used in storage: %(base_2)s (base 2), %(base_10)s (base 10), %(bytes)d bytes') % {
'base_2': pretty_size(storage_used_space),
'base_10': pretty_size_10(storage_used_space),
'bytes': storage_used_space
})
except NotImplementedError:
pass
paragraphs.extend(
[
_(u'Document pages in database: %d') % DocumentPage.objects.only('pk',).count(),
_(u'Minimum amount of pages per document: %(page_count__min)d') % DocumentVersion.objects.annotate(page_count=Count('documentpage')).aggregate(Min('page_count')),
_(u'Maximum amount of pages per document: %(page_count__max)d') % DocumentVersion.objects.annotate(page_count=Count('documentpage')).aggregate(Max('page_count')),
_(u'Average amount of pages per document: %(page_count__avg)f') % DocumentVersion.objects.annotate(page_count=Count('documentpage')).aggregate(Avg('page_count')),
]
)
#[(day_count['date_added'].strftime('%Y-%m-%d'), day_count['id__count']) for day_count in Document.objects.values('date_added').annotate(Count("id"))]
return {
'title': _(u'Document statistics'),
'paragraphs': paragraphs
}