lib/rm/plugins/roundcube.rb

   1 require 'pg'
   2
   3 require 'common/roundcube_plugin'
   4 require 'rm/rm_plugin'
   5
   6 class RoundcubeRm
   7
   8   include RoundcubePlugin
   9   include RmPlugin
  10
  11   def delete_user(user)
  12     # Delete the given username and any records in other tables
  13     # belonging to it.
  14     raise NonexistentUserError.new(user.to_s()) if not user_exists(user)
  15
  16     user_id = self.get_user_id(user)
  17
  18     # The Roundcube developers were nice enough to include
  19     # DBMS-specific install and upgrade scripts, so Postgres can take
  20     # advantage of ON DELETE triggers. Here's an example:
  21     #
  22     #  ...
  23     #  user_id integer NOT NULL
  24     #    REFERENCES users (user_id) ON DELETE CASCADE ON UPDATE CASCADE
  25     #
  26     # This query is of course necessary with any DBMS:
  27     sql_queries = ['DELETE FROM users WHERE user_id = $1::int;']
  28
  29     connection = PGconn.connect(@db_host, @db_port, @db_opts, @db_tty,
  30                                 @db_name, @db_user, @db_pass)
  31
  32     sql_queries.each do |sql_query|
  33       connection.query(sql_query, [user_id])
  34     end
  35
  36     connection.close()
  37   end
  38
  39 end