CFChat (old version) Core

gistfile1.cfm

<cfcomponent>
<cfscript>
 variables.instance = structNew();
 instance.chatHistory = arrayNew(1);
 instance.clients = arrayNew(1);
 instance.messageTotal = arrayLen(instance.chatHistory);
</cfscript>

<cffunction name="init" access="public" returntype="chat">
 <cfreturn this/>
</cffunction>

<cffunction name="postMessage" access="public" returntype="struct">
 <cfargument name="message" type="string" required="yes"/>
 <cfargument name="userName" type="string" required="yes"/>

 <cflock name="lockForWritingMessages" type="exclusive" timeout="5">
 <cfscript>
  var result = structNew();
  var tempData = structNew();
  var utils = new com.kisdigital.utils();
  var msgTS = '<span style="color: blue;">[' & '#dateFormat(now(), "m/d/yy")#' & ' ' & '#timeFormat(now(), "h:mm tt")#' & '] </span> ';
  var t = arrayNew(1);
  var res = 0;

  session.userName = arguments.userName;
  result['svrStatus'] = "0";
  result['svrMessage'] = "OK";
  tempData['timeStamp'] = msgTs;
  tempData['userid'] = utils.stripHTML(arguments.userName);
  tempData['message'] = utils.stripHTML(arguments.message);
  tempData['msgid'] = instance.messageTotal + 1;
  instance.messageTotal++;
  arrayAppend(instance.chatHistory, tempData);
  if(arrayLen(instance.chatHistory) gt 100) arrayDeleteAt(instance.chatHistory, 1);
  if(findNoCase("***", arguments.userName)){
   t = arguments.message.split(" ");
   this.manageClients(t[1]);
  }
  else{
   this.manageClients(arguments.userName);
  }
 </cfscript>
 </cflock>
 <cfreturn result/>
</cffunction>

<cffunction name="getMessages" access="public" returntype="struct">
 <cfargument name="startID" type="numeric" required="no" default="0"/>
 <cfscript>
  var result = structNew();
  var i = 0;
  var startIdx = 0;
  var msgCnt = arrayLen(instance.chatHistory);
  result['svrStatus'] = "0";
  result['svrMessage'] = "OK";
  result['lastid'] = instance.messageTotal;
  if(arguments.startID eq 0){
   result['messages'] = instance.chatHistory;
  }
  else{
   result['messages'] = arrayNew(1);
   for(i = 1; i lte msgCnt; i++){
    if(instance.chatHistory[i].msgid gt arguments.startID)
     arrayAppend(result['messages'], instance.chatHistory[i]);
   }
  }
  manageClients(session.userName);
  return result;
 </cfscript>
</cffunction>

<cffunction name="manageClients" access="private" returntype="boolean">
 <cfargument name="userName" type="string" required="true"/>
 <cflock name="lockForManagingClients" type="exclusive" timeout="5">
  <cfscript>
   var i = 0;
   var found = 0;
   var tmpStruct = structNew();
   if(len(trim(arguments.userName)) and not findNoCase("***", arguments.userName)){
    for(i=1; i lte arrayLen(instance.clients); i++){
     if(instance.clients[i].userName eq arguments.userName) found = i;
    }
    if(found){
     instance.clients[found]['lastUpdated'] = now();
    }
    else{
     tmpStruct['userName'] = arguments.userName;
     tmpStruct['lastUpdated'] = now();
     arrayAppend(instance.clients, tmpStruct);
    }
   }
  </cfscript>
 </cflock>
 <cfreturn true/>
</cffunction>

<cffunction name="pruneClients" access="private" returnType="void">
 <cflock name="lockForPruningClientList" type="exclusive" timeout="5">
  <cfscript>
   var i = 0;
   // Cleanup:
   for(i = arrayLen(instance.clients); i gte 1; i--){
    if(abs(dateDiff("n", now(), instance.clients[i].lastUpdated)) gt 1){
     postMessage(instance.clients[i].userName & ' removed from chat for inactivity.', '*** ');
     arrayDeleteAt(instance.clients, i);
    }
   }
  </cfscript>
 </cflock>
</cffunction>

<cffunction name="getClients" access="public" returnType="struct">
 <cfscript>
  var result = structNew();
  pruneClients();
  result['svrStatus'] = "0";
  result['svrMessage'] = "OK";
  result['userInfo'] = instance.clients;
  return result;
 </cfscript>
</cffunction>

</cfcomponent>