Allow a node to declare settings that should be exported

nodes/core/io/21-httprequest.js

@@ -216,6 +216,14 @@ module.exports = function(RED) {
         credentials: {
             user: {type:"text"},
             password: {type: "password"}
+        },
+        settings: {
+            httpRequestColour: {
+                value: "red",
+                // validate: function(v) { return IT MUST BE A NUMBER },
+                // required: false,
+                exportable: true
+            }
         }
     });
 }

red/api/info.js

@@ -48,6 +48,8 @@ module.exports = {
             safeSettings.editorTheme.palette = safeSettings.editorTheme.palette || {};
             safeSettings.editorTheme.palette.editable = false;
         }
+        
+        settings.exportNodeSettings(safeSettings);
 
         res.json(safeSettings);
     }

red/runtime/nodes/index.js

@@ -50,8 +50,13 @@ function registerType(nodeSet,type,constructor,opts) {
         type = nodeSet;
         nodeSet = "";
     }
-    if (opts && opts.credentials) {
-        credentials.register(type,opts.credentials);
+    if (opts) {
+        if (opts.credentials) {
+            credentials.register(type,opts.credentials);
+        }
+        if (opts.settings) {
+            settings.registerNodeSettings(type,opts.settings);
+        }
     }
     registry.registerType(nodeSet,type,constructor);
 }

red/runtime/settings.js

@@ -21,6 +21,7 @@ var log = require("./log");
 
 var userSettings = null;
 var globalSettings = null;
+var nodeSettings = null;
 var storage = null;
 
 var persistentSettings = {
@@ -38,6 +39,7 @@ var persistentSettings = {
             }
         }
         globalSettings = null;
+        nodeSettings = {};
     },
     load: function(_storage) {
         storage = _storage;
@@ -99,6 +101,26 @@ var persistentSettings = {
         userSettings = null;
         globalSettings = null;
         storage = null;
+    },
+    registerNodeSettings: function(type, opts) {
+        //console.log(type,opts);
+        // 1. TODO: validate the option names are allowed for the node type
+
+        // 2. store this information against the node type
+        nodeSettings[type] = opts;
+
+
+        // TODO: remove the node settings if the node is disabled/removed from runtime
+    },
+    exportNodeSettings: function(safeSettings) {
+        // 1. forEach type in nodeSettings...
+        //  2. forEach setting for that type...
+        //   3. if globalSettings has a property with the required name...
+        //    4. set safeSettings.property to that value
+        //   5. else if the setting has a default 'value' provided
+        //    6. set safeSettings.property to that value
+
+        return safeSettings;
     }
 }
 

test/red/api/index_spec.js

@@ -29,7 +29,7 @@ describe("api index", function() {
     describe("disables editor", function() {
         before(function() {
             api.init({},{
-                settings:{httpNodeRoot:true, httpAdminRoot: true,disableEditor:true},
+                settings:{httpNodeRoot:true, httpAdminRoot: true,disableEditor:true, exportNodeSettings: function() {}},
                 events: {on:function(){},removeListener: function(){}},
                 log: {info:function(){},_:function(){}},
                 nodes: {paletteEditorEnabled: function(){return true}}

test/red/api/info_spec.js

@@ -42,7 +42,10 @@ describe("info api", function() {
                     foo: 123,
                     httpNodeRoot: "testHttpNodeRoot",
                     version: "testVersion",
-                    paletteCategories :["red","blue","green"]
+                    paletteCategories :["red","blue","green"],
+                    exportNodeSettings: function(obj) {
+                        obj.testNodeSetting = "helloWorld";
+                    }
                 },
                 nodes: {
                     paletteEditorEnabled: function() { return true; }
@@ -59,7 +62,9 @@ describe("info api", function() {
                     res.body.should.have.property("version","testVersion");
                     res.body.should.have.property("paletteCategories",["red","blue","green"]);
                     res.body.should.have.property("editorTheme",{test:456});
+                    res.body.should.have.property("testNodeSetting","helloWorld");
                     res.body.should.not.have.property("foo",123);
+
                     done();
                 });
         });
@@ -68,8 +73,8 @@ describe("info api", function() {
                 settings: {
                     httpNodeRoot: "testHttpNodeRoot",
                     version: "testVersion",
-                    paletteCategories :["red","blue","green"]
-
+                    paletteCategories :["red","blue","green"],
+                    exportNodeSettings: function() {}
                 },
                 nodes: {
                     paletteEditorEnabled: function() { return false; }