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Adds actual cost barplot

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Aart van Halteren
2022-09-22 19:20:07 +02:00
parent 6f33caa0d8
commit 5d86e65d8d
1 changed files with 32 additions and 3 deletions
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35
app/models/cost.rb
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@@ -82,15 +82,44 @@ class Cost
result result
end end
def easy_energy_barplot(date) def easy_energy_tariff_barplot(date)
hours = (0..23).to_a hours = (0..23).to_a
costs = easy_energy_hours(date) costs = easy_energy_hours(date)
GR.barplot(hours,costs) GR.barplot(hours,costs)
# make sure you have set GKS_WSTYPE=100 in the environment (for headless setup) # make sure you have set GKS_WSTYPE=100 in the environment (for headless setup)
title = "Kosten per kwH (incl. belastingen en BTW) - %s" % date.strftime("%A, %e %B %Y") title = "Tarief per kwH (incl. belastingen en BTW) - %s" % date.strftime("%A, %e %B %Y")
xlabel = "uur" xlabel = "uur"
ylabel = "EUR" ylabel = "EUR"
GR.savefig("easy_%s.png" % date.strftime("%F"), title: title, xlabel: xlabel, ylabel: ylabel) GR.savefig("easy_tariff_%s.png" % date.strftime("%F"), title: title, xlabel: xlabel, ylabel: ylabel)
end
def easy_energy_cost_barplot(date)
hour_start = date.in_time_zone(zone).beginning_of_day
day_end = hour_start.advance(days: 1)
costs = []
while(hour_start < day_end) do
# get usage_kwh/return_kwh for one hour
hour_end = hour_start.end_of_hour
hour_readings = Reading.where("created_at > :begin AND created_at < :end", {:begin => hour_start, :end => hour_end})
hour_diff = hour_readings.last ? hour_readings.last.diff(hour_readings.first) : UNKNOWN_READING
usage_kwh = hour_diff[:total_kwh_consumed_high] + hour_diff[:total_kwh_consumed_low]
return_kwh = hour_diff[:total_kwh_produced_high] + hour_diff[:total_kwh_produced_low]
formatted_hour = hour_start.strftime("%F %H")
costs << easy_energy_cost(formatted_hour, usage_kwh, return_kwh)
# do the next hour
hour_start = hour_start.advance(:hours => 1)
end
# create plot
hours = (0..23).to_a
GR.barplot(hours,costs)
# make sure you have set GKS_WSTYPE=100 in the environment (for headless setup)
title = "Verbruikskosten (incl. belastingen en BTW) - %s" % date.strftime("%A, %e %B %Y")
xlabel = "uur"
ylabel = "EUR"
GR.savefig("easy_cost_%s.png" % date.strftime("%F"), title: title, xlabel: xlabel, ylabel: ylabel)
end end