refactor find
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@ -102,6 +102,150 @@ def parse_query(data, user):
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# group by only allows sorting by name or number of itmes
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return query
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def get_group(request, query, data):
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group = {
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'items': []
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}
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items = 'items'
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item_qs = query['qs']
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order_by = _order_by_group(query)
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qs = models.Facet.objects.filter(key=query['group']).filter(item__id__in=item_qs)
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qs = qs.values('value').annotate(items=Count('id')).order_by(*order_by)
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if 'positions' in query:
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group['positions'] = {}
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ids = [j['value'] for j in qs]
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group['positions'] = utils.get_positions(ids, query['positions'])
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elif 'range' in data:
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qs = qs[query['range'][0]:query['range'][1]]
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group['items'] = [{'name': i['value'], 'items': i[items]} for i in qs]
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else:
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group['items'] = qs.count()
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return group
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def get_position(request, query, data):
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response = {}
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qs = _order_query(query['qs'], query['sort'])
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ids = [j['public_id'] for j in qs.values('public_id')]
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data['conditions'] = data['conditions'] + {
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'value': query['position'],
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'key': query['sort'][0]['key'],
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'operator': '^'
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}
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query = parse_query(data, request.user)
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qs = _order_query(query['qs'], query['sort'])
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if qs.count() > 0:
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response['position'] = utils.get_positions(ids, [qs[0].public_id])[0]
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return response
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def get_positions(request, query):
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qs = _order_query(query['qs'], query['sort'])
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ids = list(qs.values_list('public_id', flat=True))
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return utils.get_positions(ids, query['positions'])
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def is_editable(request, item):
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if request.user.is_anonymous():
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return False
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if not hasattr(request, 'user_group_names'):
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request.user_group_names = {g.name for g in request.user.groups.all()}
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if request.user.profile.capability('canEditMetadata') or \
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request.user.is_staff or \
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item.get('user') == request.user.username or \
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set(item.get('groups', [])) & request.user_group_names:
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return True
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return False
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def get_clips(query, qs):
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n = qs.count()
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if n > query['clip_items']:
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num = query['clip_items']
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clips = []
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step = int(n / (num + 1))
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i = step
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while i <= (n - step) and i < n and len(clips) < num:
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clips.append(qs[i])
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i += step
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else:
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clips = qs
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return [c.json(query['clip_keys'], query['clip_filter']) for c in clips]
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def only_p_sums(request, query, m):
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r = {}
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for p in query['keys']:
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if p == 'accessed':
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r[p] = m.sort.accessed or ''
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elif p == 'editable':
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r[p] = is_editable(request, m.json)
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elif p in item_sort_keys:
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r[p] = getattr(m.sort, p)
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else:
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r[p] = m.json.get(p)
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if 'clip_qs' in query:
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r['clips'] = get_clips(query, query['clip_qs'].filter(item=m))
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return r
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def only_p(request, query, m):
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r = {}
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if m:
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if not isinstance(m, dict):
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m = json.loads(m, object_hook=oxdjango.fields.from_json)
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for p in query['keys']:
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if p == 'editable':
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r[p] = is_editable(request, m)
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else:
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r[p] = m.get(p)
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if 'clip_qs' in query:
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r['clips'] = get_clips(query['clip_qs'].filter(item__public_id=m['id']))
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return r
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item_sort_keys = {
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'accessed', 'modified', 'timesaccessed',
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'numberofannotations', 'numberoffiles', 'numberofdocuments'
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}
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def get_items(request, query):
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items = []
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qs = _order_query(query['qs'], query['sort'])
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qs = qs[query['range'][0]:query['range'][1]]
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# items = [m.get_json(_p) for m in qs]
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if any(p for p in query['keys'] if p in item_sort_keys):
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qs = qs.select_related()
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items = [only_p_sums(request, query, m) for m in qs]
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else:
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items = [only_p(request, query, m['json']) for m in qs.values('json')]
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return items
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def get_stats(request, query):
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stats = {}
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items = query['qs']
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files = File.objects.filter(item__in=items).filter(selected=True).filter(size__gt=0)
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r = files.aggregate(
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Sum('duration'),
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Sum('pixels'),
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Sum('size')
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)
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totals = [
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i['id']
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for i in settings.CONFIG['totals']
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if 'capability' not in i or has_capability(request.user, i['capability'])
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]
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if 'duration' in totals:
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stats['duration'] = r['duration__sum']
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if 'files' in totals:
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stats['files'] = files.count()
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if 'items' in totals:
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stats['items'] = items.count()
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if 'pixels' in totals:
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stats['pixels'] = r['pixels__sum']
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if 'runtime' in totals:
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stats['runtime'] = items.aggregate(Sum('sort__runtime'))['sort__runtime__sum'] or 0
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if 'size' in totals:
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stats['size'] = r['size__sum']
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for key in ('runtime', 'duration', 'pixels', 'size'):
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if key in totals and stats[key] is None:
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stats[key] = 0
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return stats
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def find(request, data):
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'''
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Finds items for a given query
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@ -177,142 +321,18 @@ def find(request, data):
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response = json_response({})
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if 'group' in query:
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response['data']['items'] = []
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items = 'items'
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item_qs = query['qs']
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order_by = _order_by_group(query)
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qs = models.Facet.objects.filter(key=query['group']).filter(item__id__in=item_qs)
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qs = qs.values('value').annotate(items=Count('id')).order_by(*order_by)
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if 'positions' in query:
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response['data']['positions'] = {}
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ids = [j['value'] for j in qs]
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response['data']['positions'] = utils.get_positions(ids, query['positions'])
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elif 'range' in data:
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qs = qs[query['range'][0]:query['range'][1]]
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response['data']['items'] = [{'name': i['value'], 'items': i[items]} for i in qs]
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else:
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response['data']['items'] = qs.count()
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response['data'] = get_group(request, query, data)
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elif 'position' in query:
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qs = _order_query(query['qs'], query['sort'])
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ids = [j['public_id'] for j in qs.values('public_id')]
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data['conditions'] = data['conditions'] + {
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'value': query['position'],
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'key': query['sort'][0]['key'],
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'operator': '^'
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}
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query = parse_query(data, request.user)
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qs = _order_query(query['qs'], query['sort'])
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if qs.count() > 0:
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response['data']['position'] = utils.get_positions(ids, [qs[0].public_id])[0]
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response['data'] = get_position(request, query, data)
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elif 'positions' in query:
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qs = _order_query(query['qs'], query['sort'])
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ids = list(qs.values_list('public_id', flat=True))
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response['data']['positions'] = utils.get_positions(ids, query['positions'])
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response['data']['positions'] = get_positions(request, query)
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elif 'keys' in query:
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response['data']['items'] = []
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qs = _order_query(query['qs'], query['sort'])
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_p = query['keys']
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def get_clips(qs):
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n = qs.count()
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if n > query['clip_items']:
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num = query['clip_items']
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clips = []
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step = int(n / (num + 1))
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i = step
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while i <= (n - step) and i < n and len(clips) < num:
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clips.append(qs[i])
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i += step
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else:
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clips = qs
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return [c.json(query['clip_keys'], query['clip_filter']) for c in clips]
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sort_keys = {
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'accessed', 'modified', 'timesaccessed',
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'numberofannotations', 'numberoffiles', 'numberofdocuments'
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}
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groups = {g.name for g in request.user.groups.all()}
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def is_editable(item):
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if request.user.is_anonymous():
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return False
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if request.user.profile.capability('canEditMetadata') or \
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request.user.is_staff or \
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item.get('user') == request.user.username or \
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set(item.get('groups', [])) & groups:
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return True
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return False
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def only_p_sums(m):
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r = {}
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for p in _p:
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if p == 'accessed':
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r[p] = m.sort.accessed or ''
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elif p == 'editable':
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r[p] = is_editable(m.json)
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elif p in sort_keys:
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r[p] = getattr(m.sort, p)
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else:
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r[p] = m.json.get(p)
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if 'clip_qs' in query:
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r['clips'] = get_clips(query['clip_qs'].filter(item=m))
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return r
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def only_p(m):
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r = {}
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if m:
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if not isinstance(m, dict):
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m = json.loads(m, object_hook=oxdjango.fields.from_json)
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for p in _p:
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if p == 'editable':
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r[p] = is_editable(m)
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else:
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r[p] = m.get(p)
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if 'clip_qs' in query:
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r['clips'] = get_clips(query['clip_qs'].filter(item__public_id=m['id']))
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return r
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qs = qs[query['range'][0]:query['range'][1]]
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# response['data']['items'] = [m.get_json(_p) for m in qs]
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if any(p for p in _p if p in sort_keys):
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qs = qs.select_related()
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response['data']['items'] = [only_p_sums(m) for m in qs]
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else:
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response['data']['items'] = [only_p(m['json']) for m in qs.values('json')]
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response['data']['items'] = get_items(request, query)
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else: # otherwise stats
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items = query['qs']
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files = File.objects.filter(item__in=items).filter(selected=True).filter(size__gt=0)
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r = files.aggregate(
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Sum('duration'),
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Sum('pixels'),
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Sum('size')
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)
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totals = [
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i['id']
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for i in settings.CONFIG['totals']
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if 'capability' not in i or has_capability(request.user, i['capability'])
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]
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if 'duration' in totals:
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response['data']['duration'] = r['duration__sum']
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if 'files' in totals:
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response['data']['files'] = files.count()
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if 'items' in totals:
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response['data']['items'] = items.count()
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if 'pixels' in totals:
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response['data']['pixels'] = r['pixels__sum']
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if 'runtime' in totals:
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response['data']['runtime'] = items.aggregate(Sum('sort__runtime'))['sort__runtime__sum'] or 0
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if 'size' in totals:
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response['data']['size'] = r['size__sum']
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for key in ('runtime', 'duration', 'pixels', 'size'):
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if key in totals and response['data'][key] is None:
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response['data'][key] = 0
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response['data'] = get_stats(request, query)
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return render_to_json_response(response)
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actions.register(find)
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def autocomplete(request, data):
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'''
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Returns autocomplete strings for a given item key and search string
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