require 'common/agendav_plugin'
require 'mv/mv_plugin'
+
+# Handle moving (renaming) Agendav users in its database. Agendav has
+# no concept of domains.
+#
class AgendavMv
include AgendavPlugin
include MvPlugin
-
- def mv_domain(from, to)
- # AgenDAV doesn't have a concept of domains.
- end
-
- def mv_user(from, to)
- sql_queries = ['UPDATE prefs SET username = $1 WHERE username $2;']
+ # Move the user *src* to *dst* within the Agendav database. This
+ # should "rename" him in _every_ table where he is referenced.
+ #
+ # This can fail is *src* does not exist, or if *dst* already exists
+ # before the move. It should also be an error if the destination
+ # domain doesn't exist. But Agendav doesn't know about domains, so
+ # we let that slide.
+ #
+ # @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)
+ raise UserAlreadyExistsError.new(dst.to_s()) if user_exists(dst)
+
+ sql_queries = ['UPDATE prefs SET username = $1 WHERE username = $2;']
sql_queries << 'UPDATE shared SET user_from = $1 WHERE user_from = $2;'
sql_queries << 'UPDATE shared SET user_which = $1 WHERE user_which = $2;'
+ connection = PG::Connection.new(@db_hash)
begin
- 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, [to, from])
+ connection.query(sql_query, [dst.to_s(), src.to_s()])
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
end