Module: PINS::Helper

Defined in:
lib/postmark-inbound/helper.rb

Instance Method Summary collapse

Instance Method Details

#catch_pm_headers(headers) ⇒ Hash

Extract Postmark related headers into a Hash

Parameters:

  • headers (Array)

Returns:

  • (Hash) 


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# File 'lib/postmark-inbound/helper.rb', line 29

def catch_pm_headers(headers)
  return {} unless Array === headers
  caught = {}
  headers.each do |h|
    case h[:name]
    when 'X-Spam-Status'
      caught[:spam_status] = h[:value].downcase.start_with?('yes')
    when 'X-Spam-Score'
      caught[:spam_score] = h[:value].to_f
    when 'Received-SPF'
      caught[:received_spf_status] = (h[:value].split)[0].downcase
    end
  end
  return caught
end

#downcase_keys(json) ⇒ String

Convert JSON keys to lowercase

Parameters:

  • json (String)

Returns:

  • (String) —

    converted JSON



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# File 'lib/postmark-inbound/helper.rb', line 16

def downcase_keys(json)
  json.gsub(/"\w+":/) { |m| m.downcase }
end

#json_format_value(val) ⇒ Object

Return Ruby object/value to JSON standard format

Parameters:

  • val (Object)

Returns:

  • (Object) 


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# File 'lib/postmark-inbound/helper.rb', line 68

def json_format_value(val)
  case val
  when Array
    val.map { |v| json_format_value(v) }
  when Hash
    val.reduce({}) { |h, (k, v)| h.merge({k => json_format_value(v)}) }
  when String
    val.encode!('UTF-8', {invalid: :replace, undef: :replace})
  when Time
    val.utc.iso8601
  else
    val
  end
end

#json_with_object(obj, pretty: true, opts: nil) ⇒ String

Convert object into JSON, optionally pretty-format

Parameters:

  • obj (Object) —

    any Ruby object

  • opts (Hash) (defaults to: nil) —

    any JSON options

Returns:

  • (String) —

    JSON string



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# File 'lib/postmark-inbound/helper.rb', line 52

def json_with_object(obj, pretty: true, opts: nil)
  return '{}' if obj.nil?
  if pretty
    opts = {
      indent: '  ',
      space: ' ',
      object_nl: "\n",
      array_nl: "\n"
    }
  end
  JSON.fast_generate(json_format_value(obj), opts)
end

#lookup_email_headers(headers, name) ⇒ Object 



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# File 'lib/postmark-inbound/helper.rb', line 45

def lookup_email_headers(headers, name)
end

#parse_json(json) ⇒ Object 



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# File 'lib/postmark-inbound/helper.rb', line 8

def parse_json(json)
  obj = JSON.parse(downcase_keys(json), {symbolize_names: true})
  return parse_pm(obj).merge!(catch_pm_headers(obj[:headers]))
end

#parse_pm(hash) ⇒ Object

Additional parsing/conversions



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# File 'lib/postmark-inbound/helper.rb', line 21

def parse_pm(hash)
  hash[:date] = Time.parse(hash[:date]) if hash[:date]
  return hash
end