require 'common/roundcube_plugin'
require 'rm/rm_plugin'
+# Handle removal of Roundcube users from its database. Roundcube has
+# no concept of domains.
+#
class RoundcubeRm
include RoundcubePlugin
include RmPlugin
- def delete_user(user)
- # Delete the given username and any records in other tables
- # belonging to it.
+ # Remove *user* from the Roundcube database. This should remove him
+ # from _every_ table in which he is referenced. Fortunately the
+ # Roundcube developers were nice enough to include DBMS-specific
+ # install and upgrade scripts, so Postgres can take advantage of ON
+ # DELETE triggers.
+ #
+ # @param user [User] the user to remove.
+ #
+ def remove_user(user)
raise NonexistentUserError.new(user.to_s()) if not user_exists(user)
+ # Get the primary key for this user in the "users" table.
user_id = self.get_user_id(user)
- # The Roundcube developers were nice enough to include
- # DBMS-specific install and upgrade scripts, so Postgres can take
- # advantage of ON DELETE triggers. Here's an example:
- #
- # ...
- # user_id integer NOT NULL
- # REFERENCES users (user_id) ON DELETE CASCADE ON UPDATE CASCADE
- #
- # This query is of course necessary with any DBMS:
- sql_queries = ['DELETE FROM users WHERE user_id = $1::int;']
-
- connection = PGconn.connect(@db_host, @db_port, @db_opts, @db_tty,
- @db_name, @db_user, @db_pass)
-
- sql_queries.each do |sql_query|
- connection.query(sql_query, [user_id])
- end
+ # Thanks to the ON DELETE triggers, this will remove all child
+ # records associated with user_id too.
+ sql_query = 'DELETE FROM users WHERE user_id = $1::int;'
+
+ connection = PG::Connection.new(@db_hash)
- connection.close()
+ begin
+ connection.sync_exec_params(sql_query, [user_id])
+ ensure
+ # Make sure the connection gets closed even if the query explodes.
+ connection.close()
+ end
end
end