Module: ExceptionNotifier::EmailNotifier::Mailer

Defined in:
lib/exception_notifier/email_notifier.rb

Defined Under Namespace

Classes: MissingController

Class Method Summary collapse

Class Method Details

.extended(base) ⇒ Object 



18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
 
# File 'lib/exception_notifier/email_notifier.rb', line 18

def self.extended(base)
  base.class_eval do
    self.send(:include, ExceptionNotifier::BacktraceCleaner)

    # Append application view path to the ExceptionNotifier lookup context.
    self.append_view_path "#{File.dirname(__FILE__)}/views"

    def exception_notification(env, exception, options={}, default_options={})
      load_custom_views

      @env        = env
      @exception  = exception
      @options    = options.reverse_merge(env['exception_notifier.options'] || {}).reverse_merge(default_options)
      @kontroller = env['action_controller.instance'] || MissingController.new
      @request    = ActionDispatch::Request.new(env)
      @backtrace  = exception.backtrace ? clean_backtrace(exception) : []
      @sections   = @options[:sections]
      @data       = (env['exception_notifier.exception_data'] || {}).merge(options[:data] || {})
      @sections   = @sections + %w(data) unless @data.empty?

      compose_email
    end

    def background_exception_notification(exception, options={}, default_options={})
      load_custom_views

      @exception = exception
      @options   = options.reverse_merge(default_options)
      @backtrace = exception.backtrace || []
      @sections  = @options[:background_sections]
      @data      = options[:data] || {}

      compose_email
    end

    private

    def compose_subject
      subject = "#{@options[:email_prefix]}"
      subject << "#{@kontroller.controller_name}##{@kontroller.action_name}" if @kontroller
      subject << " (#{@exception.class})"
      subject << " #{@exception.message.inspect}" if @options[:verbose_subject]
      subject = EmailNotifier.normalize_digits(subject) if @options[:normalize_subject]
      subject.length > 120 ? subject[0...120] + "..." : subject
    end

    def set_data_variables
      @data.each do |name, value|
        instance_variable_set("@#{name}", value)
      end
    end

    helper_method :inspect_object

    def inspect_object(object)
      case object
        when Hash, Array
          object.inspect
        else
          object.to_s
      end
    end

    def html_mail?
      @options[:email_format] == :html
    end

    def compose_email
      set_data_variables
      subject = compose_subject
      name = @env.nil? ? 'background_exception_notification' : 'exception_notification'

      headers = {
        :delivery_method => @options[:delivery_method],
        :to => @options[:exception_recipients],
        :from => @options[:sender_address],
        :subject => subject,
        :template_name => name
      }.merge(@options[:email_headers])

      mail = mail(headers) do |format|
        format.text
        format.html if html_mail?
      end

      mail.delivery_method.settings.merge!(@options[:mailer_settings]) if @options[:mailer_settings]

      mail
    end

    def load_custom_views
      if defined?(Rails) && Rails.respond_to?(:root)
        self.prepend_view_path Rails.root.nil? ? "app/views" : "#{Rails.root}/app/views"
      end
    end
  end
end