def get_average_userfeedback_specific_period(start_datetime_activity_detail,
end_datetime_activity_detail):
gemiddelde_concentratie = 0.0
totaal = 0.0
userfeedback = DAUserFeedback_SQLite.get_data_specific_period(
start_datetime_activity_detail, end_datetime_activity_detail)
# gemiddelde berekenen van de userfeedback gegevens voor de periodes van activity_detail
total_user_feedback_time = 0.0
for item in userfeedback:
try:
datetime_from_userfeedback = datetime.datetime.strptime(
item[1], "%Y-%m-%d %H:%M:%S.%f")
except:
datetime_from_userfeedback = datetime.datetime.strptime(
item[1], "%Y-%m-%d %H:%M:%S")
datetime_to_userfeedback = datetime_from_userfeedback + datetime.timedelta(
seconds=item[4])
if (datetime_from_userfeedback < end_datetime_activity_detail) and (
datetime_to_userfeedback > start_datetime_activity_detail):
if datetime_from_userfeedback < start_datetime_activity_detail:
datetime_from_userfeedback = start_datetime_activity_detail
if datetime_to_userfeedback > end_datetime_activity_detail:
datetime_to_userfeedback = end_datetime_activity_detail
difference = datetime_to_userfeedback - datetime_from_userfeedback
total_user_feedback_time += difference.seconds
if total_user_feedback_time <= 0:
raise Exception.ListEmpty('Geen user_feedback gegevens gevonden')
for item in userfeedback:
try:
datetime_from_userfeedback = datetime.datetime.strptime(
item[1], "%Y-%m-%d %H:%M:%S.%f")
except:
datetime_from_userfeedback = datetime.datetime.strptime(
item[1], "%Y-%m-%d %H:%M:%S")
datetime_to_userfeedback = datetime_from_userfeedback + datetime.timedelta(
seconds=item[4])
if datetime_from_userfeedback < end_datetime_activity_detail:
if datetime_from_userfeedback < start_datetime_activity_detail:
datetime_from_userfeedback = start_datetime_activity_detail
if datetime_to_userfeedback > end_datetime_activity_detail:
datetime_to_userfeedback = end_datetime_activity_detail
difference = datetime_to_userfeedback - datetime_from_userfeedback
gemiddelde_concentratie += float(
item[2] *
(float(difference.seconds) / float(total_user_feedback_time)))
return gemiddelde_concentratie
def get_sublist(mindwave_data, datetime_from, datetime_to):
index_from = -1
index_to = -1
for i in range(0, len(mindwave_data)):
if mindwave_data[i][0] >= datetime_from and index_from == -1:
index_from = i
else:
if mindwave_data[i][1] <= datetime_to and index_from != -1:
index_to = i
if datetime_from == -1 or datetime_to == -1:
raise Exception.ListEmpty(
"datetime_from or datetime_to is outside the range of the mindwave data"
)
return mindwave_data[index_from:index_to + 1]
def get_average_sample_interval(list_mindwave_data, start_index, start_date,
end_date):
sublist, end_index = get_list_interval_mindwave_data(
list_mindwave_data, start_index, start_date, end_date)
total = 0.0
attention_acc = 0.0
meditation_acc = 0.0
for index_sublist in range(0, len(sublist)):
attention_acc += sublist[index_sublist][3]
meditation_acc += sublist[index_sublist][4]
total += 1.0
if total > 0:
attention_avg = attention_acc / total
meditation_avg = meditation_acc / total
else:
raise Exception.ListEmpty("no mindwave data for this interval")
datetime_start_mindwave = sublist[0][1]
datetime_end_mindwave = sublist[len(sublist) - 1][1]
return attention_avg, meditation_avg, end_index, datetime_start_mindwave, datetime_end_mindwave
