Class: RssNotifier::Adapter::Email

Inherits:
Object
  • Object
show all
Defined in:
lib/rss_notifier/adapter/email.rb

Constant Summary collapse

HTML_TEMPLATE = 
File.expand_path('../email.html.erb', __FILE__)

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(email, config) ⇒ Email

Returns a new instance of Email.

Parameters:



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# File 'lib/rss_notifier/adapter/email.rb', line 15

def initialize(email, config)
  @config = config
  @email = email
  @template = ERB.new(File.read(HTML_TEMPLATE))

  @config[:adapters][:email][:from] or
    raise 'config[:adapters][:email][:from] is not configured.'

  @config[:adapters][:email][:sendgrid_api_key] or
    raise 'config[:adapters][:email][:sendgrid_api_key] is not configured.'
end

Instance Attribute Details

#email ⇒ Object (readonly)

Returns the value of attribute email.



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# File 'lib/rss_notifier/adapter/email.rb', line 9

def email
  @email
end

Class Method Details

.client(api_key) ⇒ Object 



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# File 'lib/rss_notifier/adapter/email.rb', line 65

def self.client(api_key)
  @clients ||= {}
  @clients[api_key] ||= SendGrid::Client.new(api_key: api_key)
end

Instance Method Details

#notify(item) ⇒ Object 



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# File 'lib/rss_notifier/adapter/email.rb', line 27

def notify(item)
  b = binding
  b.local_variable_set(:item, item)
  html = @template.result(b)

  RssNotifier.logger.debug("Adapter::Email #{email}, #{html}")

  mail = SendGrid::Mail.new do |m|
    m.to = email
    m.from = @config[:adapters][:email][:from]
    m.subject = "#{item.feed.name} | #{item.title}"
    m.html = html
  end

  client = RssNotifier::Adapter::Email.client(@config[:adapters][:email][:sendgrid_api_key])

  begin
    res = client.send(mail)
    if res.code == 200
      RssNotifier.logger.debug("#{self} notified")
    else
      RssNotifier.logger.warn("Could not notify #{self}. Code=#{res.code}")
      p res.body
      return false
    end
  rescue => e
    puts e.to_s
    puts e.backtrace
    return false
  end

  true
end

#to_s ⇒ Object 



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# File 'lib/rss_notifier/adapter/email.rb', line 61

def to_s
  "<Adapter::Email email=#{email}>"
end