74 lines
3.0 KiB
Ruby
74 lines
3.0 KiB
Ruby
require "mail"
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class ReadingsMailer
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SSL_OPTS = {
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:openssl_verify_mode => OpenSSL::SSL::VERIFY_NONE,
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}
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# IMAP_OPTS = { :address => "mail.van-halteren.net",
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# :port => 993,
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# :user_name => 'aart@van-halteren.net',
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# :password => 'XXXXX',
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# :openssl_verify_mode => OpenSSL::SSL::VERIFY_NONE,
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# :enable_ssl => true
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# }
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#
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# Class methods
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#
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class << self
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def deliver(date)
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# Read SMTP options from smtp.yml
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smtp_opts = YAML::load(File.open('config/smtp.yml')).symbolize_keys
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smtp_opts.merge!(SSL_OPTS) if smtp_opts[:ssl] && smtp_opts[:ssl_verify_mode].eql?("none")
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# Fetch today's usage
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usage_today = Reading.diff_on(date)
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consumption_today, production_today = Reading.consumed_and_produced_for_diff(usage_today)
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# Calculate costs for oxxio and easy energy
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c = Cost.new
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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])
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easy_cost = c.easy_energy_cost_barplot(date) # side effect: generates a PNG
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# rounding
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oxxio_cost = oxxio_cost.round(2)
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easy_cost = easy_cost.round(2)
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mail = Mail.new do
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delivery_method :smtp, smtp_opts
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to 'a.t.van.halteren@vu.nl'
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from 'SmartMeter <aart@van-halteren.net>'
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subject "SmartMeter report for #{date}"
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text_part do
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body "Summary for #{date}\n
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-------------------------------\n\n
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Total kWH electricity consumed: #{consumption_today}\n
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Total kWH electricity produced: #{production_today}\n
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Total m3 gas consumed: #{usage_today[:total_m3_gas_consumed]}\n\n
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kWH cost (Oxxio): EUR #{ oxxio_cost }\n
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kWH cost (EasyEnergy): EUR #{ easy_cost }\n
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"
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end
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html_part do
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content_type 'text/html; charset=UTF-8'
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body "<h1>Summary for #{date}</h1>" +
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"<p>Total kWH electricity consumed: #{usage_today[:total_kwh_consumed_high] + usage_today[:total_kwh_consumed_low]}</p>" +
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"<p>Total kWH electricity produced: #{usage_today[:total_kwh_produced_high] + usage_today[:total_kwh_produced_low]}</p>" +
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"<p>Total m3 gas consumed: #{usage_today[:total_m3_gas_consumed]}</p>" +
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"</br>" +
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"<p>kWH cost (Oxxio): <b>EUR #{ oxxio_cost} </b></p>" +
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"<p>kWH cost (EasyEnergy): <b>EUR #{ easy_cost} </b></p>"
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end
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# add attachment
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filename = "easy_cost_%s.png" % date.strftime("%F")
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add_file :filename => filename, :content => File.read("plots/%s" % filename)
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end
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mail.deliver!
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end
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end
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end |