fn conf_enable_wiki {
    enable_wiki=yes
    wiki_editors_groups=$* 
    conf_enable_app dirdir

    if(~ $"conf_dirdir_index_type '')
        conf_dirdir_index_type='md'
}

fn dirdir_init {
    if(! ~ $#enable_wiki 0 && check_user $wiki_editors_groups) {
        lp=$local_path
        # werc.rc doesn't append /index when $local_path doesn't exist
        # maybe it should, but for now we can fix it up here.
        if(~ $lp */) 
            lp=$lp^'index'
        dirdir_file=$lp.^$"conf_dirdir_index_type
        if (test -f $lp.tpl) {
            dirdir_file=$lp.tpl
        }
        dirdir_dir=$dirdir_file^'_werc/dirdir/'
 
        if(~ 1 $#post_arg_dirdir_edit $#post_arg_dirdir_preview)
            handler_body_main=(tpl_handler `{get_lib_file dirdir/edit.tpl apps/dirdir/edit.tpl})
        if not if(~ 1 $#post_arg_dirdir_delete && ! ~ $#post_arg_dirdir_delete_yes 1)
            handler_body_main=(tpl_handler `{get_lib_file dirdir/delete_sure.tpl apps/dirdir/delete_sure.tpl})
        if not if(~ 1 $#post_arg_dirdir_delete_folder && ! ~ $#post_arg_dirdir_delete_yes 1)
            handler_body_main=(tpl_handler `{get_lib_file dirdir/delete_sure.tpl apps/dirdir/delete_sure.tpl})
        if not if(~ 1 $#post_arg_dirdir_delete && ! ~ $#post_arg_dirdir_delete_yes 0)
            rm $dirdir_file
        if not if(~ 1 $#post_arg_dirdir_delete_folder && ! ~ $#post_arg_dirdir_delete_yes 0)
            rm -rf `{dirname $dirdir_file}
        if not if(~ 1 $#post_arg_dirdir_add_child_file && ! ~ $#post_arg_dirdir_search 0)
            touch `{dirname $dirdir_file}^'/'^$post_arg_dirdir_search^'.md'
        if not if(~ 1 $#post_arg_dirdir_add_child_folder! ~ $#post_arg_dirdir_search 0)
            mkdir `{dirname $dirdir_file}^'/'^$post_arg_dirdir_search
        if not if(~ 1 $#post_arg_dirdir_upload_file_pressed && ! ~ $#post_arg_dirdir_file_name 0 && ! ~ $post_arg_dirdir_file_name "" && ! ~ $#post_arg_dirdir_upload_file 0)
            mv /tmp/werc_file.*.data `{dirname $dirdir_file}^'/'^$post_arg_dirdir_file_name
        if not if(~ 1 $#post_arg_dirdir_upload_file_pressed && ! ~ $#post_arg_dirdir_upload_file 0)
            mv /tmp/werc_file.*.data `{dirname $dirdir_file}^'/'^$post_arg_dirdir_upload_file
        if not if(! ~ '' $"post_arg_dirdir_save $"post_arg_edit_text)
            save_page

        if not if(~ $"handler_body_main  '' || {~ $REQUEST_METHOD GET && test -f $local_path.md} || {~ $REQUEST_METHOD GET && test -f $local_path.tpl} ) 
            ll_add handlers_bar_left tpl_handler apps/dirdir/sidebar_controls.tpl
    }
}

fn save_page {
    dirdir_verdir=$dirdir_dir/^`{date -n}^/
    mkdir -p $dirdir_verdir
    umask 002

    # XXX Use a tmp file and  mv(1) to ensure updates are atomic?
    echo $logged_user > $dirdir_verdir/author
    echo $post_arg_edit_text | dos2unix > $dirdir_verdir/data 
    echo $post_arg_edit_text | dos2unix > $dirdir_file
    post_redirect $base_url^$req_path
}