stats.py 4.68 KB
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# Copyright 2014 GRNET S.A. All rights reserved.
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#
# Redistribution and use in source and binary forms, with or
# without modification, are permitted provided that the following
# conditions are met:
#
#   1. Redistributions of source code must retain the above
#      copyright notice, this list of conditions and the following
#      disclaimer.
#
#   2. Redistributions in binary form must reproduce the above
#      copyright notice, this list of conditions and the following
#      disclaimer in the documentation and/or other materials
#      provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
# OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
# USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
#
# The views and conclusions contained in the software and
# documentation are those of the authors and should not be
# interpreted as representing official policies, either expressed
# or implied, of GRNET S.A.
import datetime
from django.conf import settings
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from django.db.models import Sum, Count
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from astakos.im.models import AstakosUser, Resource
from astakos.quotaholder_app.models import Holding


def get_public_stats():
    users = AstakosUser.objects.all()
    active = users.filter(is_active=True)
    return {"users": {"total": users.count(),
                      "active": active.count()}}


def get_astakos_stats():
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    stats = {"datetime": datetime.datetime.now().strftime("%c"),
             "providers": [],
             "users": {},
             "resources": {}}
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    users = AstakosUser.objects.all()
    verified = users.filter(email_verified=True)
    active = users.filter(is_active=True)

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    stats["users"]["all"] = {"total": users.count(),
                             "verified": verified.count(),
                             "active": active.count()}
    resources_stats = {}
    for resource in Resource.objects.all():
        info = Holding.objects\
                      .filter(resource=resource.name)\
                      .aggregate(usage_sum=Sum("usage_max"),
                                 limit_sum=Sum("limit"))
        resources_stats[resource.name] = {"used": info["usage_sum"] or 0,
                                          "allocated": info["limit_sum"] or 0,
                                          "unit": resource.unit,
                                          "description": resource.desc}
    stats["resources"]["all"] = resources_stats

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    for provider in settings.ASTAKOS_IM_MODULES:
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        # Add provider
        stats["providers"].append(provider)
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        # Add stats about users
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        users = AstakosUser.objects.filter(auth_providers__module=provider)
        verified = users.filter(email_verified=True)
        active = users.filter(is_active=True)
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        exclusive = AstakosUser.objects.filter(email_verified=True,
                                               is_active=True)\
                               .annotate(num_providers=Count("auth_providers"))\
                               .filter(auth_providers__module=provider)\
                               .filter(num_providers=1)
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        stats["users"][provider] = {"total": users.count(),
                                    "verified": verified.count(),
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                                    "active": active.count(),
                                    "exclusive": exclusive.count()}
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        # Add stats about resources
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        users_uuids = exclusive.values_list("uuid", flat=True)
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        resources_stats = {}
        for resource in Resource.objects.all():
            info = Holding.objects\
                          .filter(holder__in=users_uuids,
                                  resource=resource.name)\
                          .aggregate(usage_sum=Sum("usage_max"),
                                     limit_sum=Sum("limit"))
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            resources_stats[resource.name] = {
                "used": info["usage_sum"] or 0,
                "allocated": info["limit_sum"] or 0,
                "unit": resource.unit,
                "description": resource.desc}
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        stats["resources"][provider] = resources_stats
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    return stats
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if __name__ == "__main__":
    import json
    print json.dumps(get_astakos_stats())