416 lines
9.8 KiB
JavaScript
416 lines
9.8 KiB
JavaScript
const PAGE_LENGTH = 4; // The size of our page tag.
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const PAGE_LAST_KEY = 'last_page';
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const MAX_PAGE_NUM = 9999;
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// Our message bases
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function MsgAreas() {
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'use strict';
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this.areas = [];
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this.areas_excluded = [];
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var zone_id;
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var zone_name;
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var ma;
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for(var g in msg_area.grp_list) {
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if (msg_area.grp_list[g].name.indexOf(':') !== -1) {
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zone_id = msg_area.grp_list[g].name.split(':')[0];
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zone_name = msg_area.grp_list[g].name.split(':')[1];
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for (var a in msg_area.grp_list[g].sub_list) {
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if (msg_area.grp_list[g].sub_list[a].name.indexOf(':') !== -1) {
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ma = new MsgArea();
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ma.zone_id = zone_id;
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ma.zone_name = zone_name;
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ma.area_id = msg_area.grp_list[g].sub_list[a].name.split(':')[0];
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ma.area_name = msg_area.grp_list[g].sub_list[a].name.split(':')[1];
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ma.code = msg_area.grp_list[g].sub_list[a].code;
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this.areas.push(ma);
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} else {
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this.areas_excluded.push(zone_name+':'+msg_area.grp_list[g].sub_list[a].name);
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}
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}
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} else {
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zone_name = msg_area.grp_list[g].name;
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for (var a in msg_area.grp_list[g].sub_list) {
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this.areas_excluded.push(zone_name+':'+msg_area.grp_list[g].sub_list[a].name);
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}
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}
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}
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}
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function MsgArea() {
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this.zone_id = undefined;
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this.zone_name = undefined;
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this.area_id = undefined;
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this.area_name = undefined;
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this.msgbase = undefined;
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this.headers = undefined;
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this.tagged_list = undefined;
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this.untagged_list = undefined;
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this.grp_number = undefined;
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this.subnum = undefined;
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/**
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* Build a MsgArea once we are given the code
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*/
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Object.defineProperty(this,'code',{
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set: function(code) {
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this.msgbase = new MsgBase(code);
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try {
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if (this.msgbase.open()) {
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headers = this.msgbase.get_all_msg_headers(false,false) || [];
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// Just take the last MAX_MESSAGES
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this.headers = Object.keys(headers).slice(-(MAX_PAGE_NUM+1)).map(function(key) { return headers[key]; });
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headers = undefined;
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this.msgbase.close();
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} else {
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log(LOG_ERROR,code+' cannot be opened:'+this.msgbase.error);
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this.headers = [];
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}
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} catch (e) {
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log(LOG_ERROR,code+' cannot be opened:'+e.message);
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this.headers = [];
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}
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}
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});
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// Get Area's full name
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Object.defineProperty(this,'full_name',{
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get: function() {
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return this.zone_name+':'+this.area_name;
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}
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});
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// Total tagged messages
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Object.defineProperty(this,'list_tagged',{
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get: function() {
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if (this.tagged_list === undefined) {
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this.tagged_list = [];
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if (! this.headers)
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return this.tagged_list;
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for(var x in this.headers) {
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if (this.headers[x].tags && (this.headers[x].tags.length === PAGE_LENGTH)) {
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this.tagged_list.push(this.headers[x]);
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write(); // @todo This is needed for this to work?
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}
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}
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}
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return this.tagged_list;
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}
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});
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// List untagged messages
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Object.defineProperty(this,'list_untagged',{
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get: function() {
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if (this.untagged_list === undefined) {
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this.untagged_list = [];
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if (! this.headers)
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return this.untagged_list;
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for(var x in this.headers) {
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if ((! this.headers[x].tags) || (this.headers[x].tags.length !== PAGE_LENGTH)) {
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this.untagged_list.push(this.headers[x]);
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write(); // @todo This is needed for this to work?
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}
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}
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}
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return this.untagged_list;
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}
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});
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// Get Next page number
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Object.defineProperty(this,'page_next',{
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get: function() {
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var f = new File(file_cfgname(system.mods_dir,'ansitex/ctrl/videotex.ini'));
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if (! f.open('r')) {
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writeln('Unable to open ini file');
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exit(2);
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}
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var page = f.iniGetValue('prefix:'+this.page_prefix,PAGE_LAST_KEY)
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f.close();
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return page ? page : '0'.repeat(PAGE_LENGTH);
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},
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set: function(page) {
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var f = new File(file_cfgname(system.mods_dir,'ansitex/ctrl/videotex.ini'));
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if (! f.open('r+')) {
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writeln('Unable to open ini file');
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exit(2);
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}
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f.iniSetValue('prefix:'+this.page_prefix,PAGE_LAST_KEY,(''+page).padStart(4,'0'));
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f.close();
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}
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});
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// Our page prefix for this msg area
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Object.defineProperty(this,'page_prefix',{
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get: function() {
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return ''+this.zone_id+this.area_id;
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},
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});
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}
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/**
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* Unread messages [1..]
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* Array key 0 returns the last read message
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*
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* @returns {*[]}
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*/
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MsgArea.prototype.newMsgs = function() {
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var msgs = [];
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var stats = this.getUserStats();
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//log(LOG_DEBUG,'Users last_read pointer: '+JSON.stringify(stats.last_read));
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for(var x in this.list_tagged) {
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// Advance past our last scan_ptr
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if (this.list_tagged[x].number <= stats.last_read)
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continue;
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msgs.push(this.list_tagged[x]);
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write(); // @todo This is needed for this to work?
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}
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return msgs;
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}
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/**
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* New Messages for the logged in user
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*/
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MsgArea.prototype.newMsgsToMe = function() {
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var msgs = [];
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var stats = this.getUserStats();
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var last = null;
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//log(LOG_DEBUG,'Users scan_ptr pointer: '+JSON.stringify(stats.scan_ptr));
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for(var x in this.list_tagged) {
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// Advance past our last scan_ptr
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if (this.list_tagged[x].number <= stats.scan_ptr) {
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if ((this.list_tagged[x].to === user.name) || (this.list_tagged[x].to === user.alias))
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last = x;
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continue;
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}
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// Add our previous to me message
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if (msgs.length === 0)
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msgs.push(last !== null ? this.list_tagged[last] : []);
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if ((this.list_tagged[x].to === user.name) || (this.list_tagged[x].to === user.alias))
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msgs.push(this.list_tagged[x]);
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write(); // @todo This is needed for this to work?
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}
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return msgs;
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}
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/**
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* Get a specific message with a tag
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*/
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MsgArea.prototype.getMessage = function(page) {
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var msg = undefined;
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for(var x in this.list_tagged) {
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if (this.list_tagged[x].tags === page) {
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msg = this.list_tagged[x];
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break;
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}
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write(); // @todo This is needed for this to work?
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}
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if (! msg)
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return undefined;
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if (! this.msgbase.open()) {
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writeln(code+' cannot be opened:'+this.msgbase.error);
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return undefined;
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}
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msg.grp_number = this.msgbase.cfg.grp_number;
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var cfg = this.msgbase.cfg;
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msg.subnum = msg_area.grp_list[cfg.grp_number].sub_list.filter(function(x) { return x.number === cfg.number; }).pop().index;
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msg.content = this.msgbase.get_msg_body(false,msg.number,false,false,true,true);
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this.msgbase.close();
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return msg;
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}
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/**
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* Get a message page by pointer
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*
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* @param number
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* @returns {string}
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*/
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MsgArea.prototype.getMessagePage = function(number) {
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log(LOG_DEBUG,'Get Message Page with number ['+number+']');
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var r;
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for (var x in this.list_tagged) {
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if (this.list_tagged[x].number === number) {
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r = this.list_tagged[x];
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break;
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}
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}
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if (! r || r.tags === undefined)
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return null;
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return '1'+this.zone_id+this.area_id+r.tags;
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}
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MsgArea.prototype.getUserStats = function() {
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return this.msgbase.cfg ? msg_area.grp_list[this.msgbase.cfg.grp_number].sub_list[msg_area.sub[this.msgbase.cfg.code].index] : [];
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}
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MsgArea.prototype.MessageNext = function(page) {
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var x = null;
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if (! page)
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return undefined;
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var msgid = page.substr(7,4);
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for(x in this.list_tagged) {
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if (this.list_tagged[x].tags === msgid) {
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break;
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}
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write(); // @todo This is needed for this to work?
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}
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//log(LOG_DEBUG,'- Next Message is:'+JSON.stringify(this.list_tagged[(parseInt(x)+1)])+', msgid:'+msgid+', page:'+page+', x:'+x);
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/*
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= Our next message is either
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+ x+1 if x < this.list_tagged.length
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+ x=0 if x == this.list_tagged.length (-1)
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+ null if this.list_tagged.length == null; (thus no messages)
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*/
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return x === null ? null : this.list_tagged[(parseInt(x) === this.list_tagged.length-1) ? 0 : (parseInt(x)+1)];
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}
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MsgArea.prototype.MessagePrev = function(page) {
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var prev = null;
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var x = null;
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if (! page)
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return undefined;
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var msgid = page.substr(7,4);
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for(x in this.list_tagged) {
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if (this.list_tagged[x].tags === msgid) {
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break;
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} else {
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prev = x;
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}
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write(); // @todo This is needed for this to work?
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}
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/*
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= Our previous message is either
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+ prev if a tag was found, unless
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+ prev is null, in which case it is this.list_tagged.length -1
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+ null if x is still null (thus no messages)
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*/
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// If prev is still null, then our last message must be the last one, unless x is null then there are no messages
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return x === null ? null : this.list_tagged[(prev === null) ? this.list_tagged.length-1 : parseInt(prev)];
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}
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/**
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* Tag messages with a frame number
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* @note: May need to run jsexec with -m 32MB to overcome memory issues
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*
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* @returns {boolean}
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*/
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MsgArea.prototype.tag_msgs = function() {
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var msgs = this.list_untagged;
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writeln("We have "+msgs.length+" messages to tag.");
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// See if we need to tag something
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if (! msgs.length)
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return;
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if (! this.msgbase.open()) {
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writeln(code+' cannot be opened:'+this.msgbase.error);
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return false;
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}
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var page_next = this.page_next;
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for(var x in msgs) {
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msgs[x].tags = (''+(page_next)).padStart(4,'0');
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if(! this.msgbase.put_msg_header(msgs[x].number,msgs[x])) {
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writeln('ERROR:'+this.msgbase.error);
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} else {
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page_next++;
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if (page_next > MAX_PAGE_NUM)
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page_next = 0;
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}
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}
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this.msgbase.close();
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this.page_next = page_next;
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return true;
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}
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MsgArea.prototype.page = function(msgid) {
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return '1'+this.page_prefix+msgid;
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}
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MsgAreas.prototype.getArea = function(area) {
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log(LOG_DEBUG,'- AREA:'+JSON.stringify(area));
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if (area === undefined)
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return undefined;
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var zone = (''+area).substr(1,4);
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var echo = (''+area).substr(5,2);
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log(LOG_DEBUG,' - zone:'+zone);
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log(LOG_DEBUG,' - echo:'+echo);
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return this.areas.filter(function(x) {
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return x.zone_id === zone && x.area_id === echo;
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})[0]
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}
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MsgAreas.prototype.getMessage = function(page) {
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var area = this.getArea(page);
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log(LOG_DEBUG,' - msg:'+JSON.stringify(page.substr(7,4)));
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return area ? area.getMessage(page.substr(7,4)) : undefined;
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}
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MsgAreas.prototype.getUserStats = function(page) {
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var area = this.getArea(page);
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return area ? msg_area.grp_list[area.msgbase.cfg.grp_number].sub_list[msg_area.sub[area.msgbase.cfg.code].index] : undefined;
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}
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