Class: Mbox2CSV::MboxParser

Inherits:
Object
  • Object
show all
Defined in:
lib/mbox2csv.rb

Overview

Main class

Instance Method Summary collapse

Constructor Details

#initialize(mbox_file, csv_file, stats_csv_file, recipient_stats_csv_file) ⇒ MboxParser

Initializes the MboxParser with file paths for the MBOX file, output CSV file, and statistics CSV files for sender statistics.

Parameters:

  • mbox_file (String) —

    Path to the MBOX file to be parsed.

  • csv_file (String) —

    Path to the output CSV file where parsed email data will be saved.

  • stats_csv_file (String) —

    Path to the output CSV file where sender statistics will be saved.

  • recipient_stats_csv_file (String) —

    Path to the output CSV file where recipient statistics will be saved.



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# File 'lib/mbox2csv.rb', line 15

def initialize(mbox_file, csv_file, stats_csv_file, recipient_stats_csv_file)
    @mbox_file = mbox_file
    @csv_file = csv_file
    @statistics = EmailStatistics.new
    @stats_csv_file = stats_csv_file
    @recipient_stats_csv_file = recipient_stats_csv_file
end

Instance Method Details

#parse ⇒ Object

Parses the MBOX file and writes the email data to the specified CSV file. It also saves sender and recipient statistics to separate CSV files.



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# File 'lib/mbox2csv.rb', line 25

def parse
    CSV.open(@csv_file, 'w') do |csv|
        # Write CSV header
        csv << ['From', 'To', 'Subject', 'Date', 'Body']

        File.open(@mbox_file, 'r') do |mbox|
            buffer = ""
            mbox.each_line do |line|
                if line.start_with?("From ")
                    process_email_block(buffer, csv) unless buffer.empty?
                    buffer = "" # Reset buffer
                end
                buffer << line # Append line to buffer
            end
            process_email_block(buffer, csv) unless buffer.empty? # Process last email block
        end
    end
    puts "Parsing completed. Data saved to #{@csv_file}"

    # Save and print statistics after parsing
    @statistics.save_sender_statistics(@stats_csv_file)
    @statistics.save_recipient_statistics(@recipient_stats_csv_file)
rescue => e
    puts "Error processing MBOX file: #{e.message}"
end