require 'common/postfixadmin_plugin'
require 'mv/mv_plugin'
+
+# Handle moving (renaming) of users in the Postfixadmin database.
+#
class PostfixadminMv
include PostfixadminPlugin
include MvPlugin
- def mv_user(user_from, user_to)
- raise NonexistentUserError.new(user_from) if not user_exists(user_from)
+ # Move the user *src* to *dst* within the Postfixadmin
+ # database. This should "rename" him in _every_ table where he is
+ # referenced. Unfortunately that must be done manually.
+ #
+ # This can fail is *src* does not exist, or if *dst* already exists
+ # before the move. It will also fail if the domain associated with
+ # the user *dst* does not exist.
+ #
+ # @param src [User] the source user to be moved.
+ #
+ # @param dst [User] the destination user being moved to.
+ #
+ def mv_user(src, dst)
+ raise NonexistentUserError.new(src.to_s()) if not user_exists(src)
+
+ if not domain_exists(dst.domain())
+ raise NonexistentDomainError.new(dst.domain.to_s())
+ end
- user_to_parts = user_to.split('@')
- localpart_to = user_to_parts[0]
- domain_to = user_to_parts[1]
+ raise UserAlreadyExistsError.new(dst.to_s()) if user_exists(dst)
- sql_queries = ['UPDATE mailbox SET username=$1,
- domain=$2,
- maildir=$2/$3/,
- local_part=$3
- WHERE username=$4;']
+ mailbox_query = 'UPDATE mailbox SET '
+ mailbox_query += ' username=$1,'
+ mailbox_query += ' domain=$2,'
+ mailbox_query += " maildir=CONCAT($2, '/', $3, '/'),"
+ mailbox_query += ' local_part=$3 '
+ mailbox_query += 'WHERE username=$4;'
- sql_queries << 'UPDATE alias SET address=$1,
- domain=$2,
- goto=REPLACE(goto, $4, $1)
- WHERE address=$4;'
+ alias_query1 = 'UPDATE alias SET '
+ alias_query1 += ' address=$1,'
+ alias_query1 += ' domain=$2,'
+ alias_query1 += ' goto=REPLACE(goto, $4, $1) '
+ alias_query1 += 'WHERE address=$4;'
- sql_queries << 'UPDATE alias SET goto=REPLACE(GOTO, $4, $1);'
+ alias_query2 = 'UPDATE alias SET '
+ alias_query2 += 'goto=REPLACE(goto, $4, $1);'
- begin
- connection = PGconn.connect(@db_host,
- @db_port,
- @db_opts,
- @db_tty,
- @db_name,
- @db_user,
- @db_pass)
+ sql_queries = [mailbox_query, alias_query1, alias_query2]
+ connection = PG::Connection.new(@db_hash)
+ begin
sql_queries.each do |sql_query|
- connection.query(sql_query, [user_to,
- domain_to,
- localpart_to,
- user_from])
+ varchar = 1043 # from pg_type.h
+ params = [{:value => dst.to_s(), :type => varchar},
+ {:value => dst.domainpart(), :type => varchar},
+ {:value => dst.localpart(), :type => varchar},
+ {:value => src.to_s(), :type => varchar}]
+ connection.query(sql_query, params)
end
-
+ ensure
+ # Make sure the connection gets closed even if a query explodes.
connection.close()
-
- rescue PGError => e
- # Pretend like we're database-agnostic in case we ever are.
- raise DatabaseError.new(e)
end
-
- end
-
-
- def mv_domain(domain_from, domain_to)
- raise NotImplementedError
end
end