Part of my FatFreeCRM migration rake task. I've added custom fields and roles to this install of FatFreeCRM. The files used by this rake task are generated by another task that downloads them and converts then to csv files using the pipe "|" as the delimi

company.rake

# Store rake tasks specific to [company]
namespace :[company] do

  # Migrate [Company]'s data into the new CRM
  namespace :migrate do
    require 'progressbar'

    desc "Run all [company] migration tasks"
    task :all => [:config, :users, :comments, :accounts]

    desc "Import [company] defaults (web user, campaigns, etc)"
    task :config => :environment do
      ## Web User
      user = User.create(
        :username   => 'weblead',
        :password   => '[random hash]',
        :email      => 'weblead@company.com',
        :first_name => 'Company',
        :last_name  => 'Web Lead'
      )
      user.roles = ['user']
      user.save
      
      ## Campaigns
      Campaign.create(
        :user_id   => user.id,
        :name      => 'Website - Contact Us',
        :access    => 'Private',
        :status    => 'started',
        :starts_on => '2011-01-01'
      )
      Campaign.create(
        :user_id   => user.id,
        :name      => 'Website - Requested More Information',
        :access    => 'Private',
        :status    => 'started',
        :starts_on => '2011-01-01'
      )
    end

    desc "Import comments"
    task :comments => :environment do
      ## Comments
      file = File.open("db/comments.txt")
      count = `wc -l db/comments.txt`
      puts "Importing #{count.to_i} Comments..."
      progress = ProgressBar.new('Comments', count.to_i)
      weblead_user = User.find_by_username('weblead')
      file.each do |line|
        attrs = line.split("|")
        if (attrs[0].strip != 'id')
          # Until association, attach all new contacts to admin user
          created_by = User.find_by_username(attrs[6].strip) # Assign the contact to the last person who modified the lead

          comment = Comment.new
          comment.update_attributes(
            :user_id          => !created_by.nil? ? created_by.id : weblead_user.id,
            :commentable_id   => weblead_user.id,
            :commentable_type => 'User',
            :comment          => urlescape(attrs[4].strip),
            :created_at       => attrs[3].strip,
            :updated_at       => !attrs[7].strip.nil? ? attrs[7].strip : attrs[3].strip,
            :state            => 'Collapsed',
            :old_user_id      => attrs[1].strip,
            :old_status       => attrs[2].strip
          )
          progress.inc
        end
      end
      progress.finish
    end

    desc "Import accounts"
    task :accounts => :environment do
      ## Accounts
      file = File.open("db/accounts.txt")
      count = `wc -l db/accounts.txt`
      puts "Importing #{count.to_i} Leads/Accounts..."
      progress = ProgressBar.new('Accounts', count.to_i)
      weblead_user = User.find_by_username('weblead')
      file.each do |line|
        attrs = line.unpack('C*').pack('U*').split("|")
        if (attrs[0].strip != 'id')
          ## Find the correct user or use admin account
          created_by = User.find_by_username(attrs[7].strip) # Assign the contact to the person who created the lead
          updated_by = User.find_by_username(attrs[8].strip) # Assign the contact to the last person who modified the lead

          ## Create Lead
          lead = Lead.new
          lead.update_attributes(
            :old_id     => attrs[0].strip,
            :user_id    => (!updated_by.nil? ? updated_by.id : (!created_by.nil? ? created_by.id : weblead_user.id)),
            :access     => 'Private',
            :company    => !attrs[9].strip.empty? ? attrs[9].strip : nil,
            :first_name => !attrs[10].strip.empty? ? attrs[10].strip : '-', # First name cannot be blank
            :last_name  => !attrs[11].strip.empty? ? attrs[11].strip : '-', # Last name cannot be blank
            :title      => !attrs[12].strip.empty? ? attrs[12].strip : nil,
            :business_address_attributes => {
              :street1      => !attrs[13].strip.empty? ? attrs[13].strip : nil,
              :street2      => !attrs[14].strip.empty? ? attrs[14].strip : nil,
              :city         => !attrs[15].strip.empty? ? attrs[15].strip : nil,
              :state        => !attrs[16].strip.empty? ? attrs[16].strip : nil,
              :zipcode      => !attrs[17].strip.empty? ? attrs[17].strip : nil,
              :country      => !attrs[18].strip.empty? ? attrs[18].strip : country_based_on_state_abbreviation(attrs[16].strip),
              :address_type => 'Business'
            },
            :status     => lead_status_by_id(attrs[1].to_i),
            :source     => !attrs[47].strip.empty? ? attrs[47].strip : 'other',
            :email      => !attrs[37].strip.empty? ? attrs[37].strip : nil,
            :alt_email  => !attrs[38].strip.empty? ? attrs[38].strip : nil,
            :phone      => !attrs[31].strip.empty? ? attrs[31].strip : (!attrs[32].strip.empty? ? attrs[32].strip : nil),
            :mobile     => !attrs[35].strip.empty? ? attrs[35].strip : nil,
            :created_at => attrs[3].strip,
            :created_by => (!created_by.nil? ? created_by.id : weblead_user.id),
            :updated_at => attrs[4].strip,
            :updated_by => (!updated_by.nil? ? updated_by.id : weblead_user.id)
          )

          #-- Testing for errors from the insert above
          if lead.id.to_s.empty?
            puts '----'
            puts attrs[0].strip
            puts (!updated_by.nil? ? updated_by.id : weblead_user.id)
            puts 'Private'
            puts !attrs[9].strip.empty? ? attrs[9].strip : nil
            puts !attrs[10].strip.empty? ? attrs[10].strip : nil
            puts !attrs[11].strip.empty? ? attrs[11].strip : nil
            puts !attrs[12].strip.empty? ? attrs[12].strip : nil
            puts !attrs[13].strip.empty? ? attrs[13].strip : nil
            puts !attrs[14].strip.empty? ? attrs[14].strip : nil
            puts !attrs[15].strip.empty? ? attrs[15].strip : nil
            puts !attrs[16].strip.empty? ? attrs[16].strip : nil
            puts !attrs[17].strip.empty? ? attrs[17].strip : nil
            puts !attrs[18].strip.empty? ? attrs[18].strip : country_based_on_state_abbreviation(attrs[16].strip)
            puts 'Business'
            puts lead_status_by_id(attrs[1].to_i)
            puts !attrs[47].strip.empty? ? attrs[47].strip : 'other'
            puts !attrs[37].strip.empty? ? attrs[37].strip : nil
            puts !attrs[38].strip.empty? ? attrs[38].strip : nil
            puts !attrs[31].strip.empty? ? attrs[31].strip : (!attrs[32].strip.empty? ? attrs[32].strip : nil)
            puts !attrs[35].strip.empty? ? attrs[35].strip : nil
            puts attrs[3].strip
            puts (!created_by.nil? ? created_by.id : weblead_user.id)
            puts attrs[4].strip
            puts (!updated_by.nil? ? updated_by.id : weblead_user.id)
            puts '----'
          end

          ## If lead was converted, then create Account, Contact and Account_Contact
          account = nil # Create and empty account object to use below
          if (attrs[1].to_i == -3 || attrs[1].to_i == -4)
            if !Account.find_by_name(attrs[9].strip).nil?
              account_name = "#{attrs[9].strip} (#{attrs[16].strip})" # Append state abbreviation if the account name alread exists
            else
              account_name = attrs[9].strip
            end
            account = Account.find_by_name(account_name) || Account.new
            account.update_attributes(
              :name            => account_name,
              :user_id         => (!updated_by.nil? ? updated_by.id : (!created_by.nil? ? created_by.id : weblead_user.id)),
              :access          => 'Private',
              :website         => !attrs[39].strip.empty? ? attrs[39].strip : nil,
              :toll_free_phone => !attrs[32].strip.empty? ? attrs[32].strip : nil,
              :phone           => !attrs[31].strip.empty? ? attrs[31].strip : nil,
              :email           => !attrs[37].strip.empty? ? attrs[37].strip : nil,
              :front_end_searchable => true,
              :billing_address_attributes => {
                :street1      => !attrs[13].strip.empty? ? attrs[13].strip : nil,
                :street2      => !attrs[14].strip.empty? ? attrs[14].strip : nil,
                :city         => !attrs[15].strip.empty? ? attrs[15].strip : nil,
                :state        => !attrs[16].strip.empty? ? attrs[16].strip : nil,
                :zipcode      => !attrs[17].strip.empty? ? attrs[17].strip : nil,
                :country      => !attrs[18].strip.empty? ? attrs[18].strip : country_based_on_state_abbreviation(attrs[16].strip),
                :address_type => 'Billing'
              },
              :shipping_address_attributes => {
                :street1      => !attrs[25].strip.empty? ? attrs[25].strip : nil,
                :street2      => !attrs[26].strip.empty? ? attrs[26].strip : nil,
                :city         => !attrs[27].strip.empty? ? attrs[27].strip : nil,
                :state        => !attrs[28].strip.empty? ? attrs[28].strip : nil,
                :zipcode      => !attrs[29].strip.empty? ? attrs[29].strip : nil,
                :country      => !attrs[30].strip.empty? ? attrs[30].strip : country_based_on_state_abbreviation(attrs[28].strip),
                :address_type => 'Shipping'
              },
              :created_at => attrs[3].strip,
              :created_by => (!created_by.nil? ? created_by.id : weblead_user.id),
              :updated_at => attrs[4].strip,
              :updated_by => (!updated_by.nil? ? updated_by.id : weblead_user.id)
            )
            
            # Save Contact
            contact = Contact.new
            contact.update_attributes(
              :user_id      => (!updated_by.nil? ? updated_by.id : (!created_by.nil? ? created_by.id : weblead_user.id)),
              :lead_id      => lead.id,
              :access       => 'Private',
              :first_name   => !attrs[10].strip.empty? ? attrs[10].strip : '-',
              :last_name    => !attrs[11].strip.empty? ? attrs[11].strip : '-',
              :title        => !attrs[12].strip.empty? ? attrs[12].strip : nil,
              :source       => !attrs[47].strip.empty? ? attrs[47].strip : 'other',
              :email        => !attrs[37].strip.empty? ? attrs[37].strip : nil,
              :alt_email    => !attrs[38].strip.empty? ? attrs[38].strip : nil,
              :phone        => !attrs[31].strip.empty? ? attrs[31].strip : (!attrs[32].strip.empty? ? attrs[32].strip : nil),
              :office       => !attrs[32].strip.empty? ? attrs[32].strip : nil,
              :fax          => !attrs[33].strip.empty? ? attrs[33].strip : nil,
              :home         => !attrs[34].strip.empty? ? attrs[34].strip : nil,
              :mobile       => !attrs[35].strip.empty? ? attrs[35].strip : nil,
              :pager        => !attrs[36].strip.empty? ? attrs[36].strip : nil,
              :business_address_attributes => {
                :street1      => !attrs[19].strip.empty? ? attrs[19].strip : nil,
                :street2      => !attrs[20].strip.empty? ? attrs[20].strip : nil,
                :city         => !attrs[21].strip.empty? ? attrs[21].strip : nil,
                :state        => !attrs[22].strip.empty? ? attrs[22].strip : nil,
                :zipcode      => !attrs[23].strip.empty? ? attrs[23].strip : nil,
                :country      => !attrs[24].strip.empty? ? attrs[24].strip : country_based_on_state_abbreviation(attrs[22].strip),
                :address_type => 'Business'
              },
              :created_at => attrs[3].strip,
              :created_by => (!created_by.nil? ? created_by.id : weblead_user.id),
              :updated_at => attrs[4].strip,
              :updated_by => (!updated_by.nil? ? updated_by.id : weblead_user.id)
            )
            
            account.contacts << contact
            account.save
          end

          ## Associate lead comments
          id = type = nil
          if (attrs[1].to_i == -3 || attrs[1].to_i == -4)
            id = !account.nil? ? account.id : lead.id
            type = !account.nil? ? 'Account' : 'Lead'
          else
           id = lead.id
           type = 'Lead'
          end
 
         comments = Comment.find_all_by_old_user_id(attrs[0].strip)
         comments.each do |comment|
           comment.update_attributes(
             :commentable_id => id,
             :commentable_type => type
           )
         end
          progress.inc
        end
      end
      progress.finish
    end

    desc "Import users and dealers"
    task :users => :environment do
      #### users.txt format:
      # Column Headers
      #
      # id
      # username
      # password
      # usertype
      # status
      # adddate
      # editdate
      # adduser
      # edituser
      # company
      # contact_first
      # contact_last
      # contact_title
      # 13 contact_address1
      # 14 contact_address2
      # 15 contact_city
      # 16 contact_state
      # 17 contact_zip
      # 18 contact_country
      # 19 home_address1
      # 20 home_address2
      # 21 home_city
      # 22 home_state
      # 23 home_zip
      # 24 home_country
      # 25 ship_address1
      # 26 ship_address2
      # 27 ship_city
      # 28 ship_state
      # 29 ship_zip
      # 30 ship_country
      # Main
      # Office
      # Fax
      # Home
      # Mobile
      # Pager
      # email1
      # email2
      # website
      ###
      file = File.open("db/users.txt")
      count = `wc -l db/users.txt`
      puts "Importing #{count.to_i} Users..."
      progress = ProgressBar.new('Users', count.to_i)
      weblead_user = User.find_by_username('weblead')
      file.each do |line|
        attrs = line.split("|")
        if (!attrs[1].strip.eql?('username'))
          created_by = User.find_by_username(attrs[7].strip)
          updated_by = User.find_by_username(attrs[8].strip)

          user = User.find_by_username(attrs[1].strip) || User.new #User.find_or_initialize_by_username(attrs[1].strip)
          user.update_attributes(
            :username     => attrs[1].strip,
            :password     => !attrs[2].strip.to_s.empty? ? attrs[2].strip : attrs[1].strip,
            :first_name   => !attrs[10].strip.empty? ? attrs[10].strip : nil,
            :last_name    => !attrs[11].strip.empty? ? attrs[11].strip : nil,
            :title        => !attrs[12].strip.empty? ? attrs[12].strip : nil,
            :company      => !attrs[9].strip.empty? ? attrs[9].strip : nil,
            :email        => !attrs[37].strip.to_s.empty? ? attrs[37].strip : '',
            :phone        => !attrs[31].strip.to_s.empty? ? attrs[31].strip : nil,
            :mobile       => !attrs[35].strip.to_s.empty? ? attrs[35].strip : nil,
            :office       => !attrs[32].strip.to_s.empty? ? attrs[32].strip : nil,
            :fax          => !attrs[33].strip.to_s.empty? ? attrs[33].strip : nil,
            :home         => !attrs[34].strip.to_s.empty? ? attrs[34].strip : nil,
            :pager        => !attrs[36].strip.to_s.empty? ? attrs[36].strip : nil,
            :alt_email    => !attrs[38].strip.to_s.empty? ? attrs[38].strip : nil,
            :website      => !attrs[39].strip.to_s.empty? ? attrs[39].strip : nil,
            :created_at   => !attrs[5].strip.to_s.empty? ? attrs[5].strip : "now()",
            :created_by   => !created_by.nil? ? created_by.id : weblead_user.id,
            :updated_at   => !attrs[6].strip.to_s.empty? ? attrs[6].strip : nil,
            :updated_by   => !updated_by.nil? ? updated_by.id : weblead_user.id,
            :home_address_attributes => {
              :street1      => !attrs[19].strip.to_s.empty? ? attrs[19].strip : nil,
              :street2      => !attrs[20].strip.to_s.empty? ? attrs[20].strip : nil,
              :city         => !attrs[21].strip.to_s.empty? ? attrs[21].strip : nil,
              :state        => !attrs[22].strip.to_s.empty? ? attrs[22].strip : nil,
              :zipcode      => !attrs[23].strip.to_s.empty? ? attrs[23].strip : nil,
              :country      => !attrs[24].strip.to_s.empty? ? correct_country(attrs[24].strip) : nil,
              :address_type => !attrs[19].strip.to_s.empty? ? 'Home' : nil
            }
          )
          user.update_attribute(:suspended_at, attrs[4]) if !attrs[4].to_s.empty?

          ## Admin
          if attrs[3].strip.eql?("Admin") || attrs[3].strip.eql?("Master")
            user.update_attribute(:admin, true) # Mass assignments don't work for :admin because of the attr_protected
            user.roles = ['admin'] if attrs[3].strip.eql?("Admin") # Set the roles_mask
            user.roles = ['dealer'] unless attrs[3].strip.eql?("Admin") # Set the roles_mask
            user.save

          ## Dealer
          else
            user.update_attribute(:admin, false)
            user.roles = ['dealer'] # Set the roles_mask
            user.save

            ## Create the Dealer Account and associate the contact
            company = attrs[9].strip.to_s
            if (!company.empty?)
              dealer = Dealer.find_by_name(company) || Dealer.new
              dealer.update_attributes(
                :name             => company,
                :user_id          => !created_by.nil? ? created_by.id : weblead_user.id,
                :access           => 'Private',
                :website          => !attrs[39].strip.to_s.empty? ? attrs[39].strip : nil,
                :toll_free_phone  => !attrs[32].strip.to_s.empty? ? attrs[32].strip : nil,
                :phone            => !attrs[31].strip.to_s.empty? ? attrs[31].strip : nil,
                :fax              => !attrs[33].strip.to_s.empty? ? attrs[33].strip : nil,
                :email            => !attrs[37].strip.to_s.empty? ? attrs[37].strip : '',
                :deleted_at       => attrs[5] == -1 ? 'NOW()' : nil,
                :created_at       => !attrs[5].strip.to_s.empty? ? attrs[5].strip : 'NOW()',
                :updated_at       => !attrs[6].strip.to_s.empty? ? attrs[6].strip : nil,
                :billing_address_attributes => {
                  :street1      => !attrs[13].strip.to_s.empty? ? attrs[13].strip : nil,
                  :street2      => !attrs[14].strip.to_s.empty? ? attrs[14].strip : nil,
                  :city         => !attrs[15].strip.to_s.empty? ? attrs[15].strip : nil,
                  :state        => !attrs[16].strip.to_s.empty? ? attrs[16].strip : nil,
                  :zipcode      => !attrs[17].strip.to_s.empty? ? attrs[17].strip : nil,
                  :country      => !attrs[18].strip.to_s.empty? ? correct_country(attrs[18].strip) : nil,
                  :address_type => !attrs[13].strip.to_s.empty? ? 'Billing' : nil
                },
                :shipping_address_attributes => {
                  :street1      => !attrs[25].strip.to_s.empty? ? attrs[25].strip : nil,
                  :street2      => !attrs[26].strip.to_s.empty? ? attrs[26].strip : nil,
                  :city         => !attrs[27].strip.to_s.empty? ? attrs[27].strip : nil,
                  :state        => !attrs[28].strip.to_s.empty? ? attrs[28].strip : nil,
                  :zipcode      => !attrs[29].strip.to_s.empty? ? attrs[29].strip : nil,
                  :country      => !attrs[30].strip.to_s.empty? ? correct_country(attrs[30].strip) : nil,
                  :address_type => !attrs[25].strip.to_s.empty? ? 'Shipping' : nil
                }
              )

              # Link dealer and contact (aka user)
              user.update_attribute(:dealer_id, dealer.id)
            end
          end
          progress.inc
        end
      end
      progress.finish
    end

  end

end