From 30d402e797019b6670af5c198baac3f7d8e5c3a4 Mon Sep 17 00:00:00 2001
From: Deon George <deon@leenooks.net>
Date: Wed, 20 Apr 2022 21:19:01 +1000
Subject: [PATCH] added msgbase handling and finding a tagged message

---
 load/msgbases.js | 24 ++++++++++++++++--------
 1 file changed, 16 insertions(+), 8 deletions(-)

diff --git a/load/msgbases.js b/load/msgbases.js
index 7e2e0ab..acecd18 100644
--- a/load/msgbases.js
+++ b/load/msgbases.js
@@ -1,3 +1,7 @@
+const PAGE_LENGTH = 4;			// The size of our page tag.
+const PAGE_LAST_KEY = 'last_page';
+const MAX_PAGE_NUM = 9999;
+
 // Our message bases
 function MsgAreas() {
 	'use strict';
@@ -48,9 +52,6 @@ function MsgArea() {
 	this.tagged_list = undefined;
 	this.untagged_list = undefined;
 
-	const PAGE_LENGTH = 4;			// The size of our page tag.
-	const PAGE_LAST_KEY = 'last_page';
-
 	Object.defineProperty(this,'code',{
 		set: function(code) {
 			this.msgbase = new MsgBase(code);
@@ -177,7 +178,11 @@ MsgArea.prototype.getMessage = function(page) {
 	if (! msg)
 		return undefined;
 
-	this.msgbase.open();
+	if (! this.msgbase.open()) {
+		writeln(code+' cannot be opened:'+this.msgbase.error);
+		return undefined;
+	}
+
 	msg.content = this.msgbase.get_msg_body(false,msg.number,false,false,true,true);
 	this.msgbase.close();
 
@@ -196,15 +201,15 @@ MsgArea.prototype.tag_msgs = function() {
 	if (! msgs.length)
 		return;
 
-	if (! this.msgbase.open('r+')) {
-		writeln(ma.areas[i].code+' cannot be opened?');
+	if (! this.msgbase.open()) {
+		writeln(code+' cannot be opened:'+this.msgbase.error);
 		return false;
 	}
 
 	var page_next = this.page_next;
 	for(var x in msgs) {
 		var msg = this.msgbase.get_msg_header(msgs[x].number, /* expand: */false)
-		writeln('Setting page:'+(''+(page_next)).padStart(4,'0')+', for:'+msg.number);
+		writeln('Setting page:'+(''+(page_next)).padStart(4,'0')+', for:'+msg.number+', existing tag:'+msg.tags);
 		msg.tags = (''+(page_next)).padStart(4,'0');
 		if(! this.msgbase.put_msg_header(msg.number,msg)) {
 			writeln('ERROR:'+this.msgbase.error);
@@ -215,12 +220,15 @@ MsgArea.prototype.tag_msgs = function() {
 	}
 
 	this.msgbase.close();
-
 	this.page_next = page_next;
+
 	return true;
 }
 
 MsgAreas.prototype.getMessage = function(page) {
+	if (page === undefined)
+		return undefined;
+
 	var zone = page.substr(0,4);
 	var echo = page.substr(4,2);
 	var page = page.substr(6);