* add message override

* finish readme
node-red-contrib · Dec 3, 2020 · 2c9faa2 · 2c9faa2
1 parent 72b9f25
commit 2c9faa2
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Showing 3 changed files with 23 additions and 33 deletions.
diff --git a/README.md b/README.md
@@ -56,9 +56,11 @@ Just add the connection settings and select what type of request you want to sen
 You can also override the configuration settings with properties that are injected
 into the incomig message.
 
-property | type | example
----------|------|--------
-
+property    | type            | example
+------------|-----------------|--------
+requesttype | GET / SET / INF | GET
+parameters  | []              | [700,710] (fetched in GET the parameter 700 & 710)
+value       | number          | 22.0 (only valid for requesttype SET / INF)
 
 ## GET
 

diff --git a/example.json b/example.json
diff --git a/src/bsb-lan.ts b/src/bsb-lan.ts
@@ -9,22 +9,33 @@ export = function (RED: NodeAPI) {
         let node = this;
         let device = RED.nodes.getNode(config.device) as BSBLanDeviceNode;
 
-        this.on('input', function (msg: NodeMessageInFlow & {}) {
+        this.on('input', function (msg: NodeMessageInFlow & any) {
 
             let action: Promise<any>;
 
-            switch (config.requesttype) {
+            let cfg = { ...config};
+
+            if (msg?.requesttype == 'GET' || msg?.requesttype == 'SET' || msg?.requesttype == 'INF')
+                cfg.requesttype= msg.requesttype;
+
+            if (msg?.parameters?.length > 0)
+                cfg.parameters= msg.parameters;
+
+            if (msg.value != undefined)
+                cfg.value = msg.value;
+
+            switch (cfg.requesttype) {
                 case "GET":
-                    action = device.get('JQ=' + config.parameters.join(','));
+                    action = device.get('JQ=' + cfg.parameters.join(','));
                     break;
                 case "SET":
                 case "INF":
-                    if (config.parameters.length == 1) {
+                    if (cfg.parameters.length == 1) {
                         action = device.post('JS',
                             {
-                                "Parameter": config.parameters[0],
-                                "Value": config.value,
-                                "Type": config.requesttype == "INF" ? "0" : "1" // "Type" (0 = INF, 1 = SET) 
+                                "Parameter": cfg.parameters[0],
+                                "Value": cfg.value,
+                                "Type": cfg.requesttype == "INF" ? "0" : "1" // "Type" (0 = INF, 1 = SET) 
                             }
                         );
                     }