122 строки
4.0 KiB
Python
122 строки
4.0 KiB
Python
import logging
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import math
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from django.conf import settings
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from django.core.files.storage import default_storage as storage
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from django.db.models import Count
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import elasticutils.contrib.django as elasticutils
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from celeryutils import task
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import amo
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from amo.decorators import set_modified_on
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from amo.utils import attach_trans_dict, resize_image
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from tags.models import Tag
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from lib.es.utils import index_objects
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from . import search
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from .models import (Collection, CollectionAddon, CollectionVote,
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CollectionWatcher)
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log = logging.getLogger('z.task')
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@task
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def collection_votes(*ids, **kw):
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log.info('[%s@%s] Updating collection votes.' %
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(len(ids), collection_votes.rate_limit))
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using = kw.get('using')
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for collection in ids:
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v = CollectionVote.objects.filter(collection=collection).using(using)
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votes = dict(v.values_list('vote').annotate(Count('vote')))
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c = Collection.objects.get(id=collection)
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c.upvotes = up = votes.get(1, 0)
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c.downvotes = down = votes.get(-1, 0)
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try:
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# Use log to limit the effect of the multiplier.
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c.rating = (up - down) * math.log(up + down)
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except ValueError:
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c.rating = 0
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c.save()
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@task
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@set_modified_on
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def resize_icon(src, dst, locally=False, **kw):
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"""Resizes collection icons to 32x32"""
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log.info('[1@None] Resizing icon: %s' % dst)
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try:
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resize_image(src, dst, (32, 32), locally=locally)
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return True
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except Exception, e:
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log.error("Error saving collection icon: %s" % e)
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@task
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def delete_icon(dst, **kw):
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log.info('[1@None] Deleting icon: %s.' % dst)
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if not dst.startswith(settings.COLLECTIONS_ICON_PATH):
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log.error("Someone tried deleting something they shouldn't: %s" % dst)
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return
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try:
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storage.delete(dst)
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except Exception, e:
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log.error("Error deleting icon: %s" % e)
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@task
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def collection_meta(*ids, **kw):
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log.info('[%s@%s] Updating collection metadata.' %
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(len(ids), collection_meta.rate_limit))
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using = kw.get('using')
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qs = (CollectionAddon.objects.filter(collection__in=ids)
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.using(using).values_list('collection'))
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counts = dict(qs.annotate(Count('id')))
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persona_counts = dict(qs.filter(addon__type=amo.ADDON_PERSONA)
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.annotate(Count('id')))
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tags = (Tag.objects.not_blacklisted().values_list('id')
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.annotate(cnt=Count('id')).filter(cnt__gt=1).order_by('-cnt'))
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for c in Collection.objects.no_cache().filter(id__in=ids):
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addon_count = counts.get(c.id, 0)
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all_personas = addon_count == persona_counts.get(c.id, None)
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addons = list(c.addons.values_list('id', flat=True))
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c.top_tags = [t for t, _ in tags.filter(addons__in=addons)[:5]]
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Collection.objects.filter(id=c.id).update(addon_count=addon_count,
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all_personas=all_personas)
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@task
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def collection_watchers(*ids, **kw):
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log.info('[%s@%s] Updating collection watchers.' %
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(len(ids), collection_watchers.rate_limit))
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using = kw.get('using')
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for pk in ids:
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try:
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watchers = (CollectionWatcher.objects.filter(collection=pk)
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.using(using).count())
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Collection.objects.filter(pk=pk).update(subscribers=watchers)
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log.info('Updated collection watchers: %s' % pk)
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except Exception, e:
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log.error('Updating collection watchers failed: %s, %s' % (pk, e))
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@task
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def index_collections(ids, **kw):
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log.debug('Indexing collections %s-%s [%s].' % (ids[0], ids[-1], len(ids)))
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index = kw.pop('index', None)
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index_objects(ids, Collection, search, index, [attach_translations])
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def attach_translations(collections):
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"""Put all translations into a translations dict."""
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attach_trans_dict(Collection, collections)
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@task
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def unindex_collections(ids, **kw):
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for id in ids:
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log.debug('Removing collection [%s] from search index.' % id)
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Collection.unindex(id)
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