def get_prospector_data(app=None):
"Returns Google Charts string of Prospector Holdings"
# update_institution_count()
js_str = ''
#! THIS OPERATION SHOULD BE CACHED
for row in REDIS_DATASTORE.zrevrange('prospector-holdings',
0,
-1,
withscores=True):
org_key = row[0]
if int(row[1]) < 1:
continue
library_info = [REDIS_DATASTORE.hget(org_key, 'label'),
REDIS_DATASTORE.scard(
"{0}:bf:Books".format(org_key)),
REDIS_DATASTORE.scard(
"{0}:bf:MovingImage".format(org_key)),
REDIS_DATASTORE.scard(
"{0}:bf:MusicalAudio".format(org_key)),
row[1] # Total Holdings
]
js_str += '["{0}",{1}],\n'.format(library_info[0],
','.join([str(i)
for i in library_info[1:]]))
js_str = js_str[:-2] # Removes trailing comma
return mark_safe(js_str)
def get_facet(facet):
"Returns accordion group based on template and redis-key"
# Assume facet_key is sorted set
facet_grp_template = template.loader.get_template('cc-facet-group')
facet = {'label': facet_key.split(":")[-1],
'items': []}
facet['name'] = facet.get('label').lower().sub(" ","-")
for item in REDIS_DATASTORE.zrevrange(facet_key,
0,
-1,
withscores=True):
item = {'label': item[0].split(":")[-1],
'count': item[1]}
facet['items'].append(item)
return mark_safe(facet_grp_template.render(
template.Context(facet)))
def get_prospector_bar_chart(app=None):
"Returns a javascript for a Canvas.js bar chart of Prospector Holdings"
js_str = "var ctx=$('#prospector-rlsp-bar').get(0).getContext('2d');"
data = {'labels':[],
'data':[]}
for row in REDIS_DATASTORE.zrevrange('prospector-holdings',
0,
-1,
withscores=True):
if float(row[1]) > 0:
org_key = row[0]
data['labels'].append(REDIS_DATASTORE.hget(org_key, 'label'))
data['data'].append(str(row[1]))
js_str += """var data={{ labels: ["{0}"],""".format('","'.join(data['labels']))
js_str += """datasets: [ {{ fillColor : "rgba(151,187,205,0.5)",
strokeColor : "rgba(151,187,205,1)",
data : [{0}]}}]}};""".format(','.join(data['data']))
js_str += "new Chart(ctx).Bar(data, {scaleShowLabel: true});"
return mark_safe(js_str)
