Class: PecRuby::Message

Inherits:
Object
  • Object
show all
Defined in:
lib/pec_ruby/message.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(client, fetch_data) ⇒ Message

Returns a new instance of Message.



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# File 'lib/pec_ruby/message.rb', line 9

def initialize(client, fetch_data)
  @client = client
  @uid = fetch_data.attr["UID"]
  @envelope = fetch_data.attr["ENVELOPE"]
  @bodystructure = fetch_data.attr["BODYSTRUCTURE"]
  @postacert_mail = nil
  @postacert_extracted = false
end

Instance Attribute Details

#bodystructure ⇒ Object (readonly)

Returns the value of attribute bodystructure.



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# File 'lib/pec_ruby/message.rb', line 7

def bodystructure
  @bodystructure
end

#client ⇒ Object (readonly)

Returns the value of attribute client.



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# File 'lib/pec_ruby/message.rb', line 7

def client
  @client
end

#envelope ⇒ Object (readonly)

Returns the value of attribute envelope.



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# File 'lib/pec_ruby/message.rb', line 7

def envelope
  @envelope
end

#uid ⇒ Object (readonly)

Returns the value of attribute uid.



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# File 'lib/pec_ruby/message.rb', line 7

def uid
  @uid
end

Instance Method Details

#all_postacert_messages ⇒ Object

Get a flattened view of all postacert messages (original + nested) Returns array with the original message first, followed by nested ones



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# File 'lib/pec_ruby/message.rb', line 271

def all_postacert_messages
  messages = []
  
  # Add the main postacert message (this message)
  if has_postacert?
    messages << {
      level: 0,
      message: self,
      type: :main_postacert
    }
  end
  
  # Add nested postacert messages
  nested_postacert_messages.each_with_index do |nested_msg, index|
    messages << {
      level: 1,
      message: nested_msg,
      type: :nested_postacert,
      index: index
    }
    
    # Check for deeper nesting (postacert within postacert within postacert)
    if nested_msg.has_nested_postacerts?
      nested_msg.nested_postacerts.each_with_index do |deep_nested, deep_index|
        deep_nested_msg = deep_nested.as_postacert_message
        if deep_nested_msg
          messages << {
            level: 2,
            message: deep_nested_msg,
            type: :deep_nested_postacert,
            parent_index: index,
            index: deep_index
          }
        end
      end
    end
  end
  
  messages
end

#attachments ⇒ Object

Get attachments - preferring postacert.eml if available, otherwise direct message



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# File 'lib/pec_ruby/message.rb', line 216

def attachments
  if has_postacert?
    postacert_attachments
  else
    [] # Direct messages typically don't have attachments via IMAP
  end
end

#date ⇒ Object 



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# File 'lib/pec_ruby/message.rb', line 43

def date
  if has_postacert?
    postacert_message&.date
  else
    original_date
  end
end

#from ⇒ Object 



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# File 'lib/pec_ruby/message.rb', line 27

def from
  if has_postacert?
    postacert_message&.from&.first
  else
    original_from
  end
end

#has_nested_postacerts? ⇒ Boolean

Check if original message has nested postacert.eml files

Returns:

  • (Boolean) 


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# File 'lib/pec_ruby/message.rb', line 260

def has_nested_postacerts?
  !nested_postacerts.empty?
end

#has_postacert? ⇒ Boolean

Check if message contains postacert.eml

Returns:

  • (Boolean) 


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# File 'lib/pec_ruby/message.rb', line 78

def has_postacert?
  !find_postacert_part_ids.empty?
end

#nested_postacert_messages ⇒ Object

Get all nested postacert messages parsed and ready to use



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# File 'lib/pec_ruby/message.rb', line 265

def nested_postacert_messages
  nested_postacerts.map(&:as_postacert_message).compact
end

#nested_postacerts ⇒ Object

Get nested postacert.eml files from postacert message attachments



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# File 'lib/pec_ruby/message.rb', line 255

def nested_postacerts
  @nested_postacerts ||= postacert_attachments.select(&:postacert?)
end

#original_attachments ⇒ Object

Legacy methods for backward compatibility



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# File 'lib/pec_ruby/message.rb', line 234

def original_attachments
  postacert_attachments
end

#original_body ⇒ Object 



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# File 'lib/pec_ruby/message.rb', line 242

def original_body
  postacert_body
end

#original_body_html ⇒ Object 



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# File 'lib/pec_ruby/message.rb', line 250

def original_body_html
  postacert_body_html
end

#original_body_text ⇒ Object 



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# File 'lib/pec_ruby/message.rb', line 246

def original_body_text
  postacert_body_text
end

#original_date ⇒ Object 



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# File 'lib/pec_ruby/message.rb', line 73

def original_date
  @envelope.date ? Time.parse(@envelope.date.to_s) : nil
end

#original_from ⇒ Object 



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# File 'lib/pec_ruby/message.rb', line 60

def original_from
  return nil unless @envelope.from&.first
  
  from_addr = @envelope.from.first
  extract_real_sender(from_addr)
end

#original_regular_attachments ⇒ Object 



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# File 'lib/pec_ruby/message.rb', line 238

def original_regular_attachments
  postacert_regular_attachments
end

#original_subject ⇒ Object

Original message envelope information (the outer PEC container)



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# File 'lib/pec_ruby/message.rb', line 52

def original_subject
  return nil unless @envelope.subject
  
  decoded = Mail::Encodings.value_decode(@envelope.subject)
  decoded = decoded.gsub("POSTA CERTIFICATA:", "") if decoded.start_with?("POSTA CERTIFICATA:")
  decoded.strip
end

#original_to ⇒ Object 



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# File 'lib/pec_ruby/message.rb', line 67

def original_to
  return [] unless @envelope.to
  
  @envelope.to.map { |addr| "#{addr.mailbox}@#{addr.host}" }
end

#postacert_attachments ⇒ Object

Get postacert message attachments (with memoization)



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# File 'lib/pec_ruby/message.rb', line 192

def postacert_attachments
  @postacert_attachments ||= begin
    mail = postacert_message
    attachments = []
    
    # Add attachments from the postacert message
    if mail&.attachments
      attachments += mail.attachments.map { |att| Attachment.new(att) }
    end
    
    # Also check for postacert.eml attachments in the outer message structure
    # This handles cases where postacert.eml files are forwarded as attachments
    attachments += nested_postacert_attachments
    
    attachments
  end
end

#postacert_body ⇒ Object

Get postacert message body with format information



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# File 'lib/pec_ruby/message.rb', line 106

def postacert_body
  mail = postacert_message
  return nil unless mail

  text_part = extract_text_part(mail, "text/plain")
  html_part = extract_text_part(mail, "text/html")
  
  # Prefer text/plain, but return HTML if that's all we have
  selected_part = text_part || html_part

  return nil unless selected_part

  raw_body = selected_part.body.decoded
  charset = selected_part.charset || 
            selected_part.content_type_parameters&.[]("charset") || 
            "UTF-8"
  
  content = raw_body.dup.force_encoding(charset).encode("UTF-8")
  
  {
    content: content,
    content_type: selected_part.mime_type,
    charset: charset
  }
end

#postacert_body_html ⇒ Object

Get postacert message body as HTML only



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# File 'lib/pec_ruby/message.rb', line 149

def postacert_body_html
  mail = postacert_message
  return nil unless mail

  html_part = extract_text_part(mail, "text/html")
  return nil unless html_part

  raw_body = html_part.body.decoded
  charset = html_part.charset || 
            html_part.content_type_parameters&.[]("charset") || 
            "UTF-8"
  
  raw_body.dup.force_encoding(charset).encode("UTF-8")
end

#postacert_body_text ⇒ Object

Get postacert message body as plain text only



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# File 'lib/pec_ruby/message.rb', line 133

def postacert_body_text
  mail = postacert_message
  return nil unless mail

  text_part = extract_text_part(mail, "text/plain")
  return nil unless text_part

  raw_body = text_part.body.decoded
  charset = text_part.charset || 
            text_part.content_type_parameters&.[]("charset") || 
            "UTF-8"
  
  raw_body.dup.force_encoding(charset).encode("UTF-8")
end

#postacert_message ⇒ Object

Extract and return the original message from postacert.eml



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# File 'lib/pec_ruby/message.rb', line 83

def postacert_message
  return @postacert_mail if @postacert_extracted
  
  @postacert_extracted = true
  part_ids = find_postacert_part_ids
  
  if part_ids.empty?
    @postacert_mail = nil
    return nil
  end

  begin
    part_id = part_ids.first
    raw_data = @client.fetch_body_part(@uid, part_id)
    @postacert_mail = Mail.read_from_string(raw_data)
  rescue => e
    raise Error, "Failed to extract postacert.eml: #{e.message}"
  end

  @postacert_mail
end

#postacert_regular_attachments ⇒ Object

Get postacert message attachments that are NOT postacert.eml files



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# File 'lib/pec_ruby/message.rb', line 211

def postacert_regular_attachments
  postacert_attachments.reject(&:postacert?)
end

#raw_body ⇒ Object

Get message body - preferring postacert.eml if available, otherwise direct message



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# File 'lib/pec_ruby/message.rb', line 165

def raw_body
  if has_postacert?
    postacert_body
  else
    direct_message_body
  end
end

#raw_body_html ⇒ Object

Get message body as HTML - preferring postacert.eml if available, otherwise direct message



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# File 'lib/pec_ruby/message.rb', line 183

def raw_body_html
  if has_postacert?
    postacert_body_html
  else
    direct_message_body_html
  end
end

#raw_body_text ⇒ Object

Get message body as plain text - preferring postacert.eml if available, otherwise direct message



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# File 'lib/pec_ruby/message.rb', line 174

def raw_body_text
  if has_postacert?
    postacert_body_text
  else
    direct_message_body_text
  end
end

#regular_attachments ⇒ Object

Get regular attachments (non-postacert.eml)



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# File 'lib/pec_ruby/message.rb', line 225

def regular_attachments
  if has_postacert?
    postacert_regular_attachments
  else
    [] # Direct messages typically don't have attachments via IMAP
  end
end

#subject ⇒ Object

Basic envelope information - now points to postacert.eml when available



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# File 'lib/pec_ruby/message.rb', line 19

def subject
  if has_postacert?
    postacert_message&.subject
  else
    original_subject
  end
end

#summary ⇒ Object

Summary information



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# File 'lib/pec_ruby/message.rb', line 313

def summary
  {
    uid: @uid,
    subject: subject,
    from: from,
    to: to,
    date: date,
    has_postacert: has_postacert?,
    original_subject: original_subject,
    original_from: original_from,
    original_to: original_to,
    original_date: original_date,
    attachments_count: original_attachments.size,
    regular_attachments_count: original_regular_attachments.size,
    nested_postacerts_count: nested_postacerts.size,
    has_nested_postacerts: has_nested_postacerts?,
    total_postacert_messages: all_postacert_messages.size
  }
end

#to ⇒ Object 



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# File 'lib/pec_ruby/message.rb', line 35

def to
  if has_postacert?
    postacert_message&.to || []
  else
    original_to
  end
end