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j 2011-01-24 19:14:38 +05:30
commit ee38a04ffb
3 changed files with 73 additions and 41 deletions
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63
pandora/item/views.py
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@ -57,6 +57,23 @@ def _order_query(qs, sort, prefix='sort__'):
qs = qs.order_by(*order_by)
return qs
def _order_by_group(query):
if 'sort' in query:
if len(query['sort']) == 1 and query['sort'][0]['key'] == 'items':
if query['group'] == "year":
order_by = query['sort'][0]['operator'] == '-' and 'items' or '-items'
else:
order_by = query['sort'][0]['operator'] == '-' and '-items' or 'items'
if query['group'] != "keyword":
order_by = (order_by, 'value_sort')
else:
order_by = (order_by,)
else:
order_by = query['sort'][0]['operator'] == '-' and '-value_sort' or 'value_sort'
order_by = (order_by, 'items')
else:
order_by = ('-value_sort', 'items')
return order_by
def _parse_query(data, user):
query = {}
@ -149,46 +166,27 @@ Positions
response = json_response({})
if 'group' in query:
if 'sort' in query:
if len(query['sort']) == 1 and query['sort'][0]['key'] == 'items':
if query['group'] == "year":
order_by = query['sort'][0]['operator'] == '-' and 'items' or '-items'
else:
order_by = query['sort'][0]['operator'] == '-' and '-items' or 'items'
if query['group'] != "keyword":
order_by = (order_by, 'value_sort')
else:
order_by = (order_by,)
else:
order_by = query['sort'][0]['operator'] == '-' and '-value_sort' or 'value_sort'
order_by = (order_by, 'items')
else:
order_by = ('-value_sort', 'items')
response['data']['items'] = []
items = 'items'
item_qs = query['qs']
order_by = _order_by_group(query)
qs = models.Facet.objects.filter(key=query['group']).filter(item__id__in=item_qs)
qs = qs.values('value').annotate(items=Count('id')).order_by(*order_by)
if 'ids' in query:
#FIXME: this does not scale for larger results
response['data']['positions'] = {}
ids = [j['value'] for j in qs]
response['data']['positions'] = utils.get_positions(ids, query['ids'])
elif 'range' in data:
qs = qs[query['range'][0]:query['range'][1]]
response['data']['items'] = [{'name': i['value'], 'items': i[items]} for i in qs]
else:
response['data']['items'] = qs.count()
elif 'ids' in query:
#FIXME: this does not scale for larger results
qs = _order_query(query['qs'], query['sort'])
response['data']['positions'] = {}
ids = [j['itemId'] for j in qs.values('itemId')]
response['data']['positions'] = utils.get_positions(ids, query['ids'])
elif 'keys' in query:
response['data']['items'] = []
qs = _order_query(query['qs'], query['sort'])
@ -201,11 +199,11 @@ Positions
r[p] = m.get(p, '')
return r
qs = qs[query['range'][0]:query['range'][1]]
#response['data']['items'] = [only_p(m.get_json()) for m in qs]
#response['data']['items'] = [m.get_json(_p) for m in qs]
response['data']['items'] = [only_p(m['json']) for m in qs.values('json')]
else: # otherwise stats
items = query['qs']
files = File.objects.all().filter(item__in=items).exclude(size__gt=0)
files = File.objects.all().filter(item__in=items).filter(size__gt=0)
r = files.aggregate(
Sum('duration'),
Sum('pixels'),
@ -215,12 +213,13 @@ Positions
response['data']['files'] = files.count()
response['data']['items'] = items.count()
response['data']['pixels'] = r['pixels__sum']
response['data']['runtime'] = items.filter(sort__runtime_desc__gt=0).aggregate(Sum('sort__runtime_desc'))['sort__runtime_desc__sum']
if response['data']['runtime'] == None:
response['data']['runtime'] = 1337
response['data']['runtime'] = items.filter(sort__runtime_desc__gt=0).aggregate(
Sum('sort__runtime_desc'))['sort__runtime_desc__sum']
response['data']['size'] = r['size__sum']
for key in ('runtime', 'duration', 'pixels', 'size'):
if response['data'][key] == None:
response['data'][key] = 0
return render_to_json_response(response)
actions.register(find)
@ -287,11 +286,13 @@ def getItem(request):
response = json_response({})
itemId = json.loads(request.POST['data'])
item = get_object_or_404_json(models.Item, itemId=itemId)
#FIXME: check permissions
info = item.get_json()
info['stream'] = item.get_stream()
info['layers'] = item.get_layers()
response['data'] = {'item': info}
if item.access(request.user):
info = item.get_json()
info['stream'] = item.get_stream()
info['layers'] = item.get_layers()
response['data']['item'] = info
else:
response = json_response(status=403, text='permission denied')
return render_to_json_response(response)
actions.register(getItem)