/
views.py
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/
views.py
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#!/usr/bin/env python
import datetime
import os
import re
from urllib import unquote
from django.conf import settings
from django.db.models import Count
from django.http import HttpResponse
from django.shortcuts import render_to_response
from django.utils.timezone import now
from livesettings import config_value
from tastypie.serializers import Serializer
from client import utils
from panda.api.category import CategoryResource
from panda.models import ActivityLog, Category, Dataset, SearchLog, UserProxy
def index(request):
"""
Page shell for the client-side application.
Bootstraps read-once data onto the page.
"""
serializer = Serializer()
cr = CategoryResource()
categories = list(Category.objects.annotate(dataset_count=Count('datasets')))
bundles = [cr.build_bundle(obj=c) for c in categories]
categories_bootstrap = [cr.full_dehydrate(b) for b in bundles]
uncategorized = Category(
id=settings.PANDA_UNCATEGORIZED_ID,
slug=settings.PANDA_UNCATEGORIZED_SLUG,
name=settings.PANDA_UNCATEGORIZED_NAME)
uncategorized.__dict__['dataset_count'] = Dataset.objects.filter(categories=None).count()
uncategorized_bundle = cr.full_dehydrate(cr.build_bundle(obj=uncategorized))
categories_bootstrap.append(uncategorized_bundle)
return render_to_response('index.html', {
'settings': settings,
'max_upload_size': int(config_value('MISC', 'MAX_UPLOAD_SIZE')),
'email_enabled': int(config_value('EMAIL', 'EMAIL_ENABLED')),
'bootstrap_data': serializer.to_json({
'categories': categories_bootstrap
})
})
def dashboard(request):
"""
Render HTML for dashboard/metrics view.
"""
# Datasets
dataset_count = Dataset.objects.all().count()
datasets_without_descriptions = [(unquote(dataset['name']), dataset['slug']) for dataset in Dataset.objects.filter(description='').values('name', 'slug')]
datasets_without_categories = [(unquote(dataset['name']), dataset['slug']) for dataset in Dataset.objects.filter(categories=None).values('name', 'slug')]
# Users
user_count = UserProxy.objects.all().count()
inactive_user_count = UserProxy.objects.filter(is_active=False).count()
today = now().date()
thirty_days_ago = today - datetime.timedelta(days=30)
active_users = list(UserProxy.objects.raw('SELECT auth_user.*, count(panda_activitylog.id) AS activity_logs__count FROM auth_user LEFT JOIN panda_activitylog ON panda_activitylog.user_id = auth_user.id WHERE auth_user.is_active = True AND panda_activitylog.when > %s GROUP BY auth_user.id ORDER BY activity_logs__count DESC, auth_user.id ASC', [thirty_days_ago]))
most_active_users = active_users[:10]
if len(active_users) > 10:
least_active_users = active_users[-10:]
least_active_users.reverse()
else:
least_active_users = []
inactive_users = UserProxy.objects.all() \
.annotate(Count('activity_logs')) \
.filter(activity_logs__count=0)
_active_users_by_day = \
list(ActivityLog.objects.filter(when__gt=thirty_days_ago) \
.values('when') \
.annotate(Count('id')) \
.order_by('when'))
dates = [thirty_days_ago + datetime.timedelta(days=x) for x in range(0, 31)]
active_users_by_day = []
for d in dates:
if _active_users_by_day and _active_users_by_day[0]['when'] == d:
_d = _active_users_by_day.pop(0)
active_users_by_day.append(_d)
else:
active_users_by_day.append({ 'when': d, 'id__count': 0 })
# Searches
total_searches = SearchLog.objects.count()
most_searched_datasets = [(unquote(dataset['name']), dataset['slug'], dataset['searches__count']) for dataset in \
Dataset.objects.all() \
.annotate(Count('searches')) \
.filter(searches__count__gt=0) \
.order_by('-searches__count') \
.values('name', 'slug', 'searches__count')[:10]]
_searches_by_day = \
list(SearchLog.objects.filter(when__gt=thirty_days_ago) \
.extra(select={ 'day': '"when"::date' }) \
.values('day') \
.annotate(Count('when')) \
.order_by('day'))
dates = [thirty_days_ago + datetime.timedelta(days=x) for x in range(0, 31)]
searches_by_day = []
for d in dates:
if _searches_by_day and _searches_by_day[0]['day'] == d:
_d = _searches_by_day.pop(0)
searches_by_day.append(_d)
else:
searches_by_day.append({ 'day': d, 'when__count': 0 })
# Disk space
root_disk = os.stat('/').st_dev
upload_disk = os.stat(settings.MEDIA_ROOT).st_dev
indices_disk = os.stat(settings.SOLR_DIRECTORY).st_dev
root_disk_total = utils.get_total_disk_space('/')
root_disk_free = utils.get_free_disk_space('/')
root_disk_percent_used = 100 - (float(root_disk_free) / root_disk_total * 100)
if upload_disk != root_disk:
upload_disk_total = utils.get_total_disk_space(settings.MEDIA_ROOT)
upload_disk_free = utils.get_free_disk_space(settings.MEDIA_ROOT)
upload_disk_percent_used = 100 - (float(upload_disk_free) / upload_disk_total * 100)
else:
upload_disk_total = None
upload_disk_free = None
upload_disk_percent_used = None
if indices_disk != root_disk:
indices_disk_total = utils.get_total_disk_space(settings.SOLR_DIRECTORY)
indices_disk_free = utils.get_free_disk_space(settings.SOLR_DIRECTORY)
indices_disk_percent_used = 100 - (float(indices_disk_free) / indices_disk_total * 100)
else:
indices_disk_total = None
indices_disk_free = None
indices_disk_percent_used = None
return render_to_response('dashboard.html', {
'settings': settings,
'dataset_count': dataset_count,
'datasets_without_descriptions': datasets_without_descriptions,
'datasets_without_categories': datasets_without_categories,
'user_count': user_count,
'inactive_user_count': inactive_user_count,
'most_active_users': most_active_users,
'least_active_users': least_active_users,
'inactive_users': inactive_users,
'active_users_by_day': active_users_by_day,
'total_searches': total_searches,
'most_searched_datasets': most_searched_datasets,
'searches_by_day': searches_by_day,
'root_disk_total': root_disk_total,
'root_disk_free': root_disk_free,
'root_disk_percent_used': root_disk_percent_used,
'upload_disk_total': upload_disk_total,
'upload_disk_free': upload_disk_free,
'upload_disk_percent_used': upload_disk_percent_used,
'indices_disk_total': indices_disk_total,
'indices_disk_free': indices_disk_free,
'indices_disk_percent_used': indices_disk_percent_used
})
def jst(request):
"""
Compile JST templates into a javascript module.
"""
templates_path = os.path.join(settings.SITE_ROOT, 'client/static/templates')
compiled = ''
for dirpath, dirnames, filenames in os.walk(templates_path):
for filename in filenames:
name, extension = os.path.splitext(filename)
if extension != '.jst':
continue
fullpath = os.path.join(dirpath, filename)
with open(fullpath, 'r') as f:
contents = f.read()
# Borrowed from django-pipeline
contents = re.sub(r"\r?\n", "", contents)
contents = re.sub(r"'", "\\'", contents)
compiled += "PANDA.templates['%s'] = _.template('%s');\n" % (
name,
contents
)
return HttpResponse(compiled, mimetype='text/javascript')