media.py

reporter.py

# coding=utf-8
import numpy

from dry.helpers import humanize_time
from user.models import User
from form.models import Form

from ..models import Harvest


def calculate_mean():
    # @TODO: Receber o usuário via parâmetro.

    user = User.objects.get(email="[email protected]")
    durations = []

    forms = Form.objects.filter(user=user)

    for f in forms:
        for h in f.get_harvests():
            durations.append((h.end_date - h.start_date).total_seconds())

    mean = numpy.mean(durations)
    mean = humanize_time(mean)