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Adds attachment to email

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This commit is contained in:
Aart van Halteren
2022-09-22 22:17:51 +02:00
parent 719e59c1e5
commit befe79090b
1 changed files with 10 additions and 3 deletions
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11
app/helpers/ReadingsMailer.rb
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@@ -28,6 +28,9 @@ class ReadingsMailer
c = Cost.new c = Cost.new
oxxio_cost = c.oxxio_energy_cost(date.to_s,usage_today[:total_kwh_consumed_high]-usage_today[:total_kwh_produced_high], usage_today[:total_kwh_consumed_low]-usage_today[:total_kwh_produced_low]) oxxio_cost = c.oxxio_energy_cost(date.to_s,usage_today[:total_kwh_consumed_high]-usage_today[:total_kwh_produced_high], usage_today[:total_kwh_consumed_low]-usage_today[:total_kwh_produced_low])
easy_cost = c.easy_energy_cost_barplot(date) # side effect: generates a PNG easy_cost = c.easy_energy_cost_barplot(date) # side effect: generates a PNG
# rounding
oxxio_cost = oxxio_cost.round(2)
easy_cost = easy_cost.round(2)
mail = Mail.new do mail = Mail.new do
delivery_method :smtp, smtp_opts delivery_method :smtp, smtp_opts
@@ -53,9 +56,13 @@ class ReadingsMailer
"<p>Total kWH electricity produced: #{usage_today[:total_kwh_produced_high] + usage_today[:total_kwh_produced_low]}</p>" + "<p>Total kWH electricity produced: #{usage_today[:total_kwh_produced_high] + usage_today[:total_kwh_produced_low]}</p>" +
"<p>Total m3 gas consumed: #{usage_today[:total_m3_gas_consumed]}</p>" + "<p>Total m3 gas consumed: #{usage_today[:total_m3_gas_consumed]}</p>" +
"</br>" + "</br>" +
"<p>kWH cost (Oxxio): EUR #{ oxxio_cost} </p>" + "<p>kWH cost (Oxxio): <b>EUR #{ oxxio_cost} </b></p>" +
"<p>kWH cost (EasyEnergy): EUR #{ easy_cost} </p>" "<p>kWH cost (EasyEnergy): <b>EUR #{ easy_cost} </b></p>"
end end
# add attachment
filename = "easy_cost_%s.png" % date.strftime("%F")
add_file :filename => filename, :content => File.read("plots/%s" % filename)
end end
mail.deliver! mail.deliver!