Class: IMAPProcessor::Learn

Inherits:
Client show all
Defined in:
lib/imap_processor/learn.rb

Overview

IMAPLearn flags messages per-folder based on what you’ve flagged before.

aka part three of my Plan for Total Email Domination.

Constant Summary collapse

LEARN_KEYWORD =

IMAP keyword for learned messages

'IMAPLEARN_FLAGGED'
TASTY_KEYWORD =

IMAP keyword for tasty messages

LEARN_KEYWORD + '_TASTY'
BLAND_KEYWORD =

IMAP keyword for bland messages

LEARN_KEYWORD + '_BLAND'

Constants inherited from IMAPProcessor

VERSION

Instance Attribute Summary

Attributes inherited from IMAPProcessor

#imap, #options

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Client

#connect, #find_mailboxes, #mark, #search

Methods inherited from IMAPProcessor

add_move, #capability, #connect, #create_mailbox, #delete_messages, #each_message, #each_part, #log, #mime_parts, #move_messages, run, #show_messages, #verbose?

Constructor Details

#initialize(options) ⇒ Learn

Creates a new IMAPLearn from options.

Options include:

+:Threshold+:: Tastiness threshold for flagging

and all options from IMAPClient



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# File 'lib/imap_processor/learn.rb', line 63

def initialize(options)
  super

  @db_root = File.join '~', '.imap_learn',
                    "#{options[:User]}@#{options[:Host]}:#{options[:Port]}"
  @db_root = File.expand_path @db_root

  @threshold = options[:Threshold]

  @classifiers = Hash.new do |h,k|
    filter_db = File.join @db_root, "#{k}.db"
    FileUtils.mkdir_p File.dirname(filter_db)
    h[k] = RBayes.new filter_db
  end

  @unlearned_flagged = []
  @tasty_unflagged = []
  @bland_flagged = []
  @tasty_unlearned = []
  @bland_unlearned = []

  @noop = false
end

Class Method Details

.process_args(args) ⇒ Object

Handles processing of args.



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# File 'lib/imap_processor/learn.rb', line 42

def self.process_args(args)
  @@options[:Threshold] = [0.85, 'Tastiness threshold not set']

  super __FILE__, args, {} do |opts, options|
    opts.on("-t", "--threshold THRESHOLD",
            "Flag messages more tasty than THRESHOLD",
            "Default: #{options[:Threshold].inspect}",
            "Options file name: Threshold", Float) do |threshold|
      options[:Threshold] = threshold
    end
  end
end

Instance Method Details

#run ⇒ Object

Flags tasty messages from all selected mailboxes.



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# File 'lib/imap_processor/learn.rb', line 90

def run
  log "Flagging tasty messages"

  message_count = 0
  mailboxes = find_mailboxes

  mailboxes.each do |mailbox|
    @mailbox = mailbox
    @imap.select @mailbox
    log "Selected #{@mailbox}"

    message_count += process_unlearned_flagged
    message_count += process_tasty_unflagged
    message_count += process_bland_flagged
    message_count += process_unlearned
  end

  log "Done. Found #{message_count} messages in #{mailboxes.length} mailboxes"
end