Add remove node api

red/nodes/index.js

@@ -54,6 +54,9 @@ function init(_settings,storage) {
 
 function removeNode(info) {
     var nodeInfo = registry.getNodeInfo(info);
+    if (!nodeInfo) {
+        throw new Error("Unrecognised type/id: "+info);
+    }
     var inUse = {};
     flows.each(function(n) {
         inUse[n.type] = (inUse[n.type]||0)+1;
@@ -66,7 +69,7 @@ function removeNode(info) {
     });
     if (nodesInUse.length > 0) {
         var msg = nodesInUse.join(", ");
-        throw Error("Type in use: "+msg);
+        throw new Error("Type in use: "+msg);
     }
     return registry.removeNode(nodeInfo.id);
 }

red/nodes/registry.js

@@ -61,18 +61,19 @@ var registry = (function() {
         },
         removeNode: function(id) {
             var config = nodeConfigs[id];
-            if (config) {
-                delete nodeConfigs[id];
-                var i = nodeList.indexOf(id);
-                if (i > -1) {
-                    nodeList.splice(i,1);
-                }
-                config.types.forEach(function(t) {
-                    delete nodeConstructors[t];
-                    delete nodeTypeToId[t];
-                });
-                nodeConfigCache = null;
+            if (!config) {
+                throw new Error("Unrecognised id: "+id);
             }
+            delete nodeConfigs[id];
+            var i = nodeList.indexOf(id);
+            if (i > -1) {
+                nodeList.splice(i,1);
+            }
+            config.types.forEach(function(t) {
+                delete nodeConstructors[t];
+                delete nodeTypeToId[t];
+            });
+            nodeConfigCache = null;
             return filterNodeInfo(config);
         },
         getNodeInfo: function(typeOrId) {

red/server.js

@@ -70,6 +70,10 @@ function createServer(_server,_settings) {
             }
             redNodes.addNode(node).then(function(info) {
                 comms.publish("node/added",info,false);
+                util.log("[red] Added node types:");
+                for (var i=0;i<info.types.length;i++) {
+                    util.log("[red] - "+info.types[i]);
+                }
                 res.json(info);
             }).otherwise(function(err) {
                 res.send(400,err.toString());
@@ -80,8 +84,28 @@ function createServer(_server,_settings) {
         }
     );
     
+    app.delete("/nodes/:id",
+        function(req,res) {
+            var id = req.params.id;
+            try {
+                var info = redNodes.removeNode(id);
+                comms.publish("node/removed",info,false);
+                util.log("[red] Removed node types:");
+                for (var i=0;i<info.types.length;i++) {
+                    util.log("[red] - "+info.types[i]);
+                }
+                res.json(info);
+            } catch(err) {
+                res.send(400,err.toString());
+            };
+        },
+        function(err,req,res,next) {
+            res.send(400,err);
+        }
+    );
+    
     app.get("/nodes/:id", function(req,res) {
-        var type = req.params.id;
+        var id = req.params.id;
         var config = redNodes.getNodeConfig(id);
         if (config) {
             res.send(config);