def recommendations(request, version, platform, limit=9):
"""
Figure out recommended add-ons for an anonymous user based on POSTed guids.
POST body looks like {"guids": [...]} with an optional "token" key if
they've been here before.
"""
try:
POST = json.loads(request.raw_post_data)
guids = POST['guids']
except (ValueError, TypeError, KeyError):
# Errors: invalid json, didn't get a dict, didn't find "guids".
return http.HttpResponseBadRequest()
addon_ids = get_addon_ids(guids)
index = Collection.make_index(addon_ids)
ids, recs = Collection.get_recs_from_ids(addon_ids, request.APP, version)
recs = _recommendations(request, version, platform, limit,
index, ids, recs)
# We're only storing a percentage of the collections we see because the db
# can't keep up with 100%.
if not waffle.sample_is_active('disco-pane-store-collections'):
return recs
# Users have a token2 if they've been here before. The token matches
# addon_index in their SyncedCollection.
if 'token2' in POST:
token = POST['token2']
if token == index:
# We've seen them before and their add-ons have not changed.
return recs
elif token != index:
# We've seen them before and their add-ons changed. Remove the
# reference to their old synced collection.
(SyncedCollection.objects.filter(addon_index=index)
.update(count=F('count') - 1))
# Try to create the SyncedCollection. There's a unique constraint on
# addon_index so it will fail if this addon_index already exists. If we
# checked for existence first and then created a collection there would
# be a race condition between multiple users with the same addon_index.
try:
c = SyncedCollection.objects.create(addon_index=index, count=1)
c.set_addons(addon_ids)
except IntegrityError:
try:
(SyncedCollection.objects.filter(addon_index=index)
.update(count=F('count') + 1))
except Exception, e:
log.error(u'Could not count++ "%s" (%s).' % (index, e))
def recommendations(request, version, platform, limit=9):
"""
Figure out recommended add-ons for an anonymous user based on POSTed guids.
POST body looks like {"guids": [...]} with an optional "token" key if
they've been here before.
"""
try:
POST = json.loads(request.raw_post_data)
guids = POST['guids']
except (ValueError, TypeError, KeyError):
# Errors: invalid json, didn't get a dict, didn't find "guids".
return http.HttpResponseBadRequest()
addon_ids = get_addon_ids(guids)
index = Collection.make_index(addon_ids)
ids, recs = Collection.get_recs_from_ids(addon_ids, request.APP, version)
recs = _recommendations(request, version, platform, limit,
index, ids, recs)
# We're only storing a percentage of the collections we see because the db
# can't keep up with 100%.
if not waffle.sample_is_active('disco-pane-store-collections'):
return recs
# Users have a token2 if they've been here before. The token matches
# addon_index in their SyncedCollection.
if 'token2' in POST:
token = POST['token2']
if token == index:
# We've seen them before and their add-ons have not changed.
return recs
elif token != index:
# We've seen them before and their add-ons changed. Remove the
# reference to their old synced collection.
(SyncedCollection.objects.filter(addon_index=index)
.update(count=F('count') - 1))
# Try to create the SyncedCollection. There's a unique constraint on
# addon_index so it will fail if this addon_index already exists. If we
# checked for existence first and then created a collection there would
# be a race condition between multiple users with the same addon_index.
try:
c = SyncedCollection.objects.create(addon_index=index, count=1)
c.set_addons(addon_ids)
except IntegrityError:
try:
(SyncedCollection.objects.filter(addon_index=index)
.update(count=F('count') + 1))
except Exception, e:
log.error(u'Could not count++ "%s" (%s).' % (index, e))
"""
if not compat_mode:
compat_mode = get_compat_mode(version)
try:
POST = json.loads(request.raw_post_data)
guids = POST['guids']
except (ValueError, TypeError, KeyError), e:
# Errors: invalid json, didn't get a dict, didn't find "guids".
log.debug('Recommendations return 405 because: %s' % e)
return http.HttpResponseBadRequest()
addon_ids = get_addon_ids(guids)
index = Collection.make_index(addon_ids)
ids, recs = Collection.get_recs_from_ids(addon_ids, request.APP, version,
compat_mode)
recs = _recommendations(request, version, platform, limit, index, ids,
recs, compat_mode)
# We're only storing a percentage of the collections we see because the db
# can't keep up with 100%.
if not waffle.sample_is_active('disco-pane-store-collections'):
return recs
# Users have a token2 if they've been here before. The token matches
# addon_index in their SyncedCollection.
if 'token2' in POST:
token = POST['token2']
if token == index:
# We've seen them before and their add-ons have not changed.
return recs
"""
if not compat_mode:
compat_mode = get_compat_mode(version)
try:
POST = json.loads(request.raw_post_data)
guids = POST['guids']
except (ValueError, TypeError, KeyError), e:
# Errors: invalid json, didn't get a dict, didn't find "guids".
log.debug('Recommendations return 405 because: %s' % e)
return http.HttpResponseBadRequest()
addon_ids = get_addon_ids(guids)
index = Collection.make_index(addon_ids)
ids, recs = Collection.get_recs_from_ids(addon_ids, request.APP, version,
compat_mode)
recs = _recommendations(request, version, platform, limit, index, ids,
recs, compat_mode)
# We're only storing a percentage of the collections we see because the db
# can't keep up with 100%.
if not waffle.sample_is_active('disco-pane-store-collections'):
return recs
# Users have a token2 if they've been here before. The token matches
# addon_index in their SyncedCollection.
if 'token2' in POST:
token = POST['token2']
if token == index:
# We've seen them before and their add-ons have not changed.
return recs
