added deletePad API function

node/db/API.js

@@ -230,7 +230,6 @@ Example returns:
 */
 exports.deletePad = function(padID, callback)
 {
-  //get the pad
   getPadSafe(padID, true, function(err, pad)
   {
     if(err)
@@ -239,7 +238,7 @@ exports.deletePad = function(padID, callback)
       return;
     }
     
-    
+    pad.remove(callback);
   });
 }
 

node/db/Pad.js

@@ -8,6 +8,9 @@ var db = require("./DB").db;
 var async = require("async");
 var settings = require('../utils/Settings');
 var authorManager = require("./AuthorManager");
+var padManager = require("./PadManager");
+var padMessageHandler = require("../handler/PadMessageHandler");
+var readOnlyManager = require("./ReadOnlyManager");
 var crypto = require("crypto");
 
 /**
@@ -382,6 +385,97 @@ Class('Pad', {
         callback(null);
       });
     },
+    remove: function(callback)
+    {
+      var padID = this.id;
+      var _this = this;
+      
+      //kick everyone from this pad
+      padMessageHandler.kickSessionsFromPad(padID);
+      
+      async.series([
+        //delete all relations
+        function(callback)
+        {
+          async.parallel([
+            //is it a group pad? -> delete the entry of this pad in the group
+            function(callback)
+            {
+              //is it a group pad?
+              if(padID.indexOf("$")!=-1)
+              {
+                var groupID = padID.substring(0,padID.indexOf("$"));
+                
+                db.get("group:" + groupID, function (err, group)
+                {
+                  if(err) {callback(err); return}
+                  
+                  //remove the pad entry
+                  delete group.pads[padID];
+                  
+                  //set the new value
+                  db.set("group:" + groupID, group);
+                  
+                  callback();
+                });
+              }
+              //its no group pad, nothing to do here
+              else
+              {
+                callback();
+              }
+            },
+            //remove the readonly entries
+            function(callback)
+            {
+              readOnlyManager.getReadOnlyId(padID, function(err, readonlyID)
+              {
+                if(err) {callback(err); return}
+                
+                db.remove("pad2readonly:" + padID);
+                db.remove("readonly2pad:" + readonlyID);
+                
+                callback();
+              });
+            },
+            //delete all chat messages
+            function(callback)
+            {
+              var chatHead = _this.chatHead;
+              
+              for(var i=0;i<=chatHead;i++)
+              {
+                db.remove("pad:"+padID+":chat:"+i);
+              }
+              
+              callback();
+            },
+            //delete all revisions
+            function(callback)
+            {
+              var revHead = _this.head;
+              
+              for(var i=0;i<=revHead;i++)
+              {
+                db.remove("pad:"+padID+":revs:"+i);
+              }
+              
+              callback();
+            }
+          ], callback);
+        },
+        //delete the pad entry and delete pad from padManager
+        function(callback)
+        {
+          db.remove("pad:"+padID);
+          padManager.unloadPad(padID);
+          callback();
+        }
+      ], function(err)
+      {
+        callback(err);
+      })
+    },
     //set in db
     setPublicStatus: function(publicStatus)
     {

node/db/PadManager.js

@@ -107,3 +107,9 @@ exports.isValidPadId = function(padId)
   return /^(g.[a-zA-Z0-9]{16}\$)?[^$]{1,50}$/.test(padId);
 }
 
+//removes a pad from the array
+exports.unloadPad = function(padId)
+{
+  if(globalPads[padId])
+    delete globalPads[padId];
+}

node/handler/APIHandler.js

@@ -42,7 +42,7 @@ var functions = {
   "createPad"                 : ["padID", "text"], 
   "createGroupPad"            : ["groupID", "padName", "text"],
   "createAuthor"              : ["name"], 
-  "createAuthorIfNotExistsFor" : ["authorMapper" , "name"], 
+  "createAuthorIfNotExistsFor": ["authorMapper" , "name"], 
   "createSession"             : ["groupID", "authorID", "validUntil"], 
   "deleteSession"             : ["sessionID"], 
   "getSessionInfo"            : ["sessionID"], 
@@ -51,7 +51,7 @@ var functions = {
   "getText"                   : ["padID", "rev"],
   "setText"                   : ["padID", "text"],
   "getRevisionsCount"         : ["padID"], 
-//  "deletePad"                 : ["padID"], 
+  "deletePad"                 : ["padID"], 
   "getReadOnlyID"             : ["padID"],
   "setPublicStatus"           : ["padID", "publicStatus"], 
   "getPublicStatus"           : ["padID"], 

node/handler/PadMessageHandler.js

@@ -73,6 +73,23 @@ exports.handleConnect = function(client)
   sessioninfos[client.id]={};
 }
 
+/**
+ * Kicks all sessions from a pad
+ * @param client the new client
+ */
+exports.kickSessionsFromPad = function(padID)
+{
+  //skip if there is nobody on this pad
+  if(!pad2sessions[padID])
+    return;
+
+  //disconnect everyone from this pad
+  for(var i in pad2sessions[padID])
+  {
+    socketio.sockets.sockets[pad2sessions[padID][i]].json.send({disconnect:"deleted"});
+  }
+}
+
 /**
  * Handles the disconnection of a user
  * @param client the client that leaves
@@ -687,7 +704,7 @@ function handleClientReady(client, message)
         {
           if(sessioninfos[pad2sessions[message.padId][i]].author == author)
           {
-            socketio.sockets.sockets[pad2sessions[message.padId][i]].json.send({disconnect:"doublelogin"});
+            socketio.sockets.sockets[pad2sessions[message.padId][i]].json.send({disconnect:"userdup"});
           }
         }
       }

static/css/pad.css

@@ -431,6 +431,7 @@ table#otheruserstable { display: none; }
 }
 .cboxdisconnected #connectionboxinner div { display: none; }
 .cboxdisconnected_userdup #connectionboxinner #disconnected_userdup { display: block; }
+.cboxdisconnected_deleted #connectionboxinner #disconnected_deleted { display: block; }
 .cboxdisconnected_initsocketfail #connectionboxinner #disconnected_initsocketfail { display: block; }
 .cboxdisconnected_looping #connectionboxinner #disconnected_looping { display: block; }
 .cboxdisconnected_slowcommit #connectionboxinner #disconnected_slowcommit { display: block; }

static/js/pad2.js

@@ -251,10 +251,11 @@ function handshake()
     //This handles every Message after the clientVars
     else
     {
+      //this message advices the client to disconnect
       if (obj.disconnect)
       {
+        padconnectionstatus.disconnected(obj.disconnect);
         socket.disconnect();
-        padconnectionstatus.disconnected("userdup");
         return;
       }
       else

static/js/pad_connectionstatus.js

@@ -46,15 +46,19 @@ var padconnectionstatus = (function()
     },
     disconnected: function(msg)
     {
+      if(status.what == "disconnected")
+        return;
+      
       status = {
         what: 'disconnected',
         why: msg
       };
       var k = String(msg).toLowerCase(); // known reason why
-      if (!(k == 'userdup' || k == 'looping' || k == 'slowcommit' || k == 'initsocketfail' || k == 'unauth'))
+      if (!(k == 'userdup' || k == 'deleted' || k == 'looping' || k == 'slowcommit' || k == 'initsocketfail' || k == 'unauth'))
       {
         k = 'unknown';
       }
+      
       var cls = 'modaldialog cboxdisconnected cboxdisconnected_' + k;
       $("#connectionbox").get(0).className = cls;
       padmodals.showModal("#connectionbox", 500);

static/pad.html

@@ -323,6 +323,11 @@ Use this link to share a read-only version of your pad:<input id="readonlyInput"
 			Your browser's credentials or permissions have changed while viewing this pad. Try reconnecting.
 		</p>
 	</div>
+	<div id="disconnected_deleted">
+		<p>
+			This pad was deleted.
+		</p>
+	</div>
 	<div id="reconnect_advise">
 		<p>
 			If this continues to happen, please let us know