def get_leaderboard(request):
"""
Get leaderboard entries - Used in ajax view on leaderboards page
"""
activity = request.GET.get('activity')
timespan = request.GET.get('timespan')
leaderboard_key = 'type_{0}:timespan_{1}'.format(activity, timespan)
leaderboard_meta_key = '{0}:meta'.format(leaderboard_key)
leaderboard_db = keyval.get_db(keyval.TYPE_LEADERBOARD)
offset = 0
limit = 20
user_ids = leaderboard_db.zrevrange(leaderboard_key, offset, offset + limit)
entries = leaderboard_db.hmget(leaderboard_meta_key, *user_ids)
leaderboard_count = leaderboard_db.zcard(leaderboard_key)
context = {'entries': [], 'total_count': leaderboard_count}
for stringy_dict_entry in entries:
entry = ast.literal_eval(stringy_dict_entry)
entry['is_authd_user'] = entry['user_id'] == request.user.id
context['entries'].append(entry)
response = render_to_string('leaderboard.html', context)
return HttpResponse(response, content_type='text/html')
def get_leaderboard_leader(activity_type, all_time=False, year=None, month=None):
"""
Return the user id in the top spot of a leaderboard
"""
leaderboard_key = build_leaderboard_key(activity_type, all_time, year, month)
leaderboard_db = keyval.get_db(keyval.TYPE_LEADERBOARD)
user_id = leaderboard_db.zrevrange(leaderboard_key, 0, 0)[0]
return int(user_id)
def get_leaderboard_count(activity_type, all_time=False, year=None, month=None):
"""
Get the number of users on a leaderboard
"""
leaderboard_key = build_leaderboard_key(activity_type, all_time, year, month)
leaderboard_db = keyval.get_db(keyval.TYPE_LEADERBOARD)
count = leaderboard_db.zcard(leaderboard_key)
return count
def get_user_rank(user_id, activity_type, all_time=False, year=None, month=None):
"""
Get a user's rank on a leaderboard
"""
leaderboard_key = build_leaderboard_key(activity_type, all_time, year, month)
leaderboard_db = keyval.get_db(keyval.TYPE_LEADERBOARD)
rank = leaderboard_db.zrevrank(leaderboard_key, user_id)
return rank
def get_user_score(user_id, activity_type, all_time=False, year=None, month=None):
"""
Get a user's score on a leaderboard
"""
leaderboard_key = build_leaderboard_key(activity_type, all_time, year, month)
leaderboard_db = keyval.get_db(keyval.TYPE_LEADERBOARD)
score = leaderboard_db.zscore(leaderboard_key, user_id)
if score is not None:
score = int(score)
return score
def create_or_update_entry(points, user, activity_type, all_time=False, year=None, month=None):
"""
Create or Update a leaderboard entry in Redis
"""
leaderboard_key = build_leaderboard_key(activity_type, all_time, year, month)
leaderboard_meta_key = '{0}:meta'.format(leaderboard_key)
leaderboard_db = keyval.get_db(keyval.TYPE_LEADERBOARD)
name = '{0} {1}'.format(user.first_name, user.last_name).strip()
meta = {
'name': name,
'user_id': user.id,
'points': points,
}
leaderboard_db.hset(leaderboard_meta_key, user.id, meta)
leaderboard_db.zadd(leaderboard_key, points, user.id)
