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dashboard.py
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dashboard.py
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#
# dashboard methods
#
import os
import csv
import codecs
import models
import datetime
import logging
import webapp2
import json
import gsdata
import bqutil
import auth
import local_config
from collections import defaultdict, OrderedDict
from stats import DataStats
from reports import Reports
from datatable import DataTableField
from datasource import DataSource
from templates import JINJA_ENVIRONMENT
from auth import auth_required, auth_and_role_required
# from google.appengine.api import memcache
# mem = memcache.Client()
class Dashboard(auth.AuthenticatedHandler, DataStats, DataSource, Reports):
'''
Methods for cross-course summary dashboard
'''
@auth_and_role_required(role='pm')
@auth_required
def get_dashboard(self):
'''
Dashboard page: show cross-course comparisons
'''
courses = self.get_course_listings()
data = self.common_data.copy()
html = self.list2table(['Registration Open', 'course_id', 'title', 'Course Launch', 'Course Wrap', 'New or Rerun', 'Instructors'],
courses['data'])
data.update({'is_staff': self.is_superuser(),
'courses': courses,
'table': html,
'ncourses': len(courses['data']),
'custom_report': self.custom_report_container(self.is_authorized_for_custom_report),
'nav_is_active': self.nav_is_active('allcourse'),
'is_pm': self.is_pm(),
})
logging.info('session: %s' % dict(self.session))
logging.info('================================================== dataset_latest=%s' % self.use_dataset_latest())
template = JINJA_ENVIRONMENT.get_template('dashboard.html')
self.response.out.write(template.render(data))
@auth_required
def ajax_dashboard_get_geo_stats(self):
'''
geographic stats across courses, with fields:
cc
countryLabel
ncertified
nregistered
nviewed
nexplored
nverified
ncert_verified
avg_certified_dt
'''
bqdat = self.get_report_geo_stats()
def mkpct(a,b):
if not b:
return ""
if int(b)==0:
return ""
return "%6.1f" % (int(a) / float(b) * 100)
def getrow(x):
if not x['countryLabel']:
x['countryLabel'] = 'Unknown'
x['cert_pct'] = mkpct(x['ncertified'], x['nregistered'])
x['cert_pct_of_viewed'] = mkpct(x['ncertified'], x['nviewed'])
x['verified_cert_pct'] = mkpct(x['ncert_verified'], x['nverified'])
x['avg_hours_certified'] = "%8.1f" % (float(x['avg_certified_dt'] or 0)/60.0/60) # hours
x['nregistered'] = int(x['nregistered'])
return { 'z': int(x['nregistered']),
'cc': x['cc'],
'name': x['countryLabel'],
'nverified': x['nverified'],
'ncertified': x['ncertified'],
'cert_pct': x['cert_pct'],
}
series = [ getrow(x) for x in bqdat['data'] ]
# logging.info('series=%s' % json.dumps(series[:10], indent=4))
tfields = ['nregistered', 'ncertified', 'nverified', 'nviewed', 'nexplored']
totals = { field: sum([ int(x[field]) for x in bqdat['data']]) for field in tfields}
#top_by_reg = sorted(bqdat['data'], key=lambda x: int(x['nregistered']), reverse=True)[:10]
# logging.info("top_by_reg = %s" % json.dumps(top_by_reg, indent=4))
data = {'series': series,
'table': bqdat['data'],
'totals': totals,
'last_updated': str(bqdat['lastModifiedTime']).rsplit(':',1)[0],
'orgname': self.ORGNAME,
}
self.response.headers['Content-Type'] = 'application/json'
self.response.out.write(json.dumps(data))
@auth_required
def ajax_dashboard_get_courses_by_time(self):
'''
Return data for number of courses by time, showing
when courses open for registration, when they start,
and when they end.
'''
courses = self.get_course_listings()
def mkcum(field):
cnt = 0
dates = [{'date': x[field], 'num': x['Course Number'],
'title': x['Title'],
'course_id': x['course_id'],
'ms': self.datetime2milliseconds(dtstr=x[field])} for x in courses['data']]
#logging.info(dates)
dates.sort(key=lambda x: x['ms'])
data = []
flags = []
for x in dates:
xms = x['ms']
if xms is None:
continue
data.append([ xms, cnt ]) # step function at this date
cnt += 1
data.append([ xms, cnt ])
flags.append({'x': xms, 'title': x['num'], 'text': '%s: %s' % (x['course_id'], x['title'])})
return data, flags
# registration opening
rodat, roflags = mkcum('Registration Open')
data = {'series': [ {'name': 'Registration Open', 'id': 'reg_open', 'data': rodat},
{'type': 'flags', 'data': roflags, 'onSeries': 'reg_open'},
],
}
self.response.headers['Content-Type'] = 'application/json'
self.response.out.write(json.dumps(data))
@auth_required
def ajax_dashboard_get_enrollment_by_time(self):
'''
Return data for enrollment by time.
'''
ebyday = self.compute_overall_enrollment_by_day()
cum_reg = []
net_reg = []
cum_ver = []
net_ver = []
for row in ebyday['data']:
dtms = self.datetime2milliseconds(dtstr=row['date'])
nec = int(row['nregistered_ever_cum'])
if nec > 0:
cum_reg.append( [ dtms, nec ])
nnc = int(row['nregistered_net_cum'])
if nnc > 0:
net_reg.append( [ dtms, nnc ])
x= int(row['nverified_ever_cum'])
if x > 0:
cum_ver.append( [ dtms, x ])
x = int(row['nverified_net_cum'])
if x > 0:
net_ver.append( [ dtms, x ])
# average new enrollment per day
try:
enroll_rate_avg = (cum_reg[-1][1] - cum_reg[0][1]) * 1.0 / ((cum_reg[-1][0] - cum_reg[0][0])/1000.0/60/60/24)
except Exception as err:
logging.error("error computing enroll_rate_avg, cum_reg=%s, err=%s" % ( cum_reg, err))
enroll_rate_avg = 0
# average new verified ID per day
try:
verified_rate_avg = (cum_ver[-1][1] - cum_ver[0][1]) * 1.0 / ((cum_ver[-1][0] - cum_ver[0][0])/1000.0/60/60/24)
except Exception as err:
logging.error("error computing verified_rate_avg, cum_ver=%s, err=%s" % ( cum_ver, err))
verified_rate_avg = 0
logging.info("enroll_rate_avg = %s" % enroll_rate_avg)
data = {'series': [ {'name': 'Cumulative Registration', 'id': 'cum_reg', 'data': cum_reg},
{'name': 'Net Registration (includes un-registration)', 'id': 'net_reg', 'data': net_reg},
# {'type': 'flags', 'data': roflags, 'onSeries': 'reg_open'},
],
'series_ver': [ {'name': 'Cumulative ID Verified Signups', 'id': 'cum_ver', 'data': cum_ver},
{'name': 'Net ID Verified Signups (includes un-registration)', 'id': 'net_ver', 'data': net_ver},
# {'type': 'flags', 'data': roflags, 'onSeries': 'reg_open'},
],
'enroll_rate_avg': "%9.1f" % enroll_rate_avg,
'verified_rate_avg': "%9.1f" % verified_rate_avg,
}
self.response.headers['Content-Type'] = 'application/json'
self.response.out.write(json.dumps(data))
@auth_required
def ajax_dashboard_get_broad_stats(self, group_tag=None):
'''
broad comparison stats across courses.
if group_tag is specified, then only include courses which have a matching tag
(in the "tags" column of the course listings).
control access based on group_tag.
also look for group_tag in self.request
'''
group_tag = group_tag or self.request.get('group_tag', None)
if not group_tag:
if not self.does_user_have_role('pm'):
return self.no_auth_sorry()
else:
if not self.is_user_authorized_for_course(group_tag):
return self.no_auth_sorry()
courses = self.get_course_listings(check_individual_auth=False)
(bqdata, tableinfo) = self.get_report_broad_stats()
self.fix_bq_dates(bqdata)
# keep only courses in the course listings table, with matching tag
known_course_ids_with_tags = {x['course_id']: x.get('tags', None) for x in courses['data']}
data_by_cid = OrderedDict()
for row in bqdata['data']:
cid = row['course_id']
row['tags'] = self.make_course_tags_list(known_course_ids_with_tags.get(cid, ''))
row['Course Wrap'] = courses['data_by_key'].get(cid, {}).get('Course Wrap')
if group_tag:
if not cid in known_course_ids_with_tags:
continue
course_tags = known_course_ids_with_tags[cid]
if not self.course_listings_row_has_tag(course_tags, group_tag):
continue
data_by_cid[cid] = row
fields = tableinfo['schema']['fields']
field_names = [x['name'] for x in fields]
tablecolumns = [ { 'data': x, 'title': x, 'class': 'dt-center' } for x in field_names ]
# get list of course_id's sorted by decreasing registration
all_series = [ [ x['course_id'],
int(x['registered_sum']),
int(x['certified_sum']),
int(x['n_verified_id']),
] for x in data_by_cid.values() ]
all_series.sort(key=lambda x: x[1], reverse=True)
reg_series = [ [x[0], x[1]] for x in all_series ]
cert_series = [ [x[0], x[2]] for x in all_series ]
ver_series = [ [x[0], x[3]] for x in all_series ]
all_courses = [ x[0] for x in all_series ]
all_enrollment = OrderedDict([[ 'Certified', [] ],
[ 'Only Explored', [] ],
[ 'Only Viewed', [] ],
[ 'Only Registered', [] ],
# 'Verified ID': []
])
# logging.info('dbc=%s' % data_by_cid.keys())
# logging.info('all=%s' % all_courses)
for course_id in all_courses:
row = data_by_cid[course_id]
nreg = int(row['registered_sum'])
nviewed = int(row['viewed_sum'])
nexpl = int(row['explored_sum'])
ncert = int(row['certified_sum'])
nver = int(row['n_verified_id'])
only_reg = nreg - nviewed
only_viewed = nviewed - nexpl
only_explored = nexpl - ncert
all_enrollment['Certified'].append(ncert)
all_enrollment['Only Registered'].append(only_reg)
all_enrollment['Only Viewed'].append(only_viewed)
all_enrollment['Only Explored'].append(only_explored)
# all_enrollment['Verified ID'].append(nver)
data = {'table': data_by_cid.values(),
'tablecolumns': tablecolumns,
'last_updated': str(bqdata.get('lastModifiedTime', ':')).rsplit(':',1)[0],
'all_enrollment_series': [ {'name': x, 'data': y} for (x,y) in all_enrollment.items() ],
'enrollment_courses': all_courses,
# 'enrollment_series': [ {'name': 'Registrants', 'id': 'reg', 'data': reg_series} ],
# 'certified_series': [ {'name': 'Certified', 'id': 'cert', 'data': cert_series} ],
# 'verified_series': [ {'name': 'Verified', 'id': 'ver', 'data': ver_series} ],
}
self.response.headers['Content-Type'] = 'application/json'
self.response.out.write(json.dumps(data))
DashboardRoutes = [
# displayed page routes
webapp2.Route('/dashboard', handler=Dashboard, handler_method='get_dashboard'),
# ajax routes
webapp2.Route('/dashboard/get/geo_stats', handler=Dashboard, handler_method='ajax_dashboard_get_geo_stats'),
webapp2.Route('/dashboard/get/courses_by_time', handler=Dashboard, handler_method='ajax_dashboard_get_courses_by_time'),
webapp2.Route('/dashboard/get/enrollment_by_time', handler=Dashboard, handler_method='ajax_dashboard_get_enrollment_by_time'),
webapp2.Route('/dashboard/get/broad_stats', handler=Dashboard, handler_method='ajax_dashboard_get_broad_stats'),
]