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			264 lines
		
	
	
		
			11 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			264 lines
		
	
	
		
			11 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
| /**
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|  * Copyright 2014 Sean Bedford
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|  *
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|  * Licensed under the Apache License, Version 2.0 (the "License");
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|  * you may not use this file except in compliance with the License.
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|  * You may obtain a copy of the License at
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|  *
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|  * http://www.apache.org/licenses/LICENSE-2.0
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|  *
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|  * Unless required by applicable law or agreed to in writing, software
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|  * distributed under the License is distributed on an "AS IS" BASIS,
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|  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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|  * See the License for the specific language governing permissions and
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|  * limitations under the License.
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|  **/
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| 
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| module.exports = function(RED) {
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|     "use strict";
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|     var Heatmiser = require("heatmiser");
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| 
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|     function HeatmiserInputNode(n) {
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|         // TODO - holiday and hot water cases when confirmed working
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|         var DEBUG = false;
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|         RED.nodes.createNode(this,n);
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|         this.ip = n.ip || "192.168.0.1";
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|         this.pin = n.pin || "1234";
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|         this.pollTime = n.pollTime*60*1000 || 30*60*1000;
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|         this.pollIntervalRef = undefined;
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|         var hmoutnode = this;
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| 
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|         this.hm = new Heatmiser(this.ip, this.pin);
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| 
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|         this.hm.on('success', function(data) {
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|             if (DEBUG) {
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|                 hmoutnode.log("Successfully wrote data. Response : " + JSON.stringify(data));
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|             }
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|             hmoutnode.send({topic: "", payload:JSON.stringify(data.dcb)});
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|         });
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|         this.hm.on('error', function(data) {
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|             if (DEBUG) {
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|                 hmoutnode.log("Error during data setting : " + JSON.stringify(data));
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|             }
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|             hmoutnode.send(data);
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|         });
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| 
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|         this.read = function() {
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|             if (hmoutnode.hm) {
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|                 hmoutnode.hm.read_device();
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|             }
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|         };
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| 
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|         if (!this.currentStatus) {
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|             this.read();
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|             this.pollIntervalRef = setInterval(this.read, this.pollTime);
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|         }
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| 
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|         this.on("close", function() {
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|             if (this.pollIntervalRef) {
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|                 clearInterval(this.pollIntervalRef);
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|                 this.pollIntervalRef = undefined;
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|             }
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|         });
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| 
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|         this.on("input", function(message) {
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|             // Valid inputs are heating:{target:, hold:}, read:, runmode:frost/heating, holiday:{enabled:, time:}, hotwater:{'on':1/0 / 'boost':1/0}
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|             if (message.payload == "undefined" || !message.payload) {
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|                 message.payload = {read : true};
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|             }
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|             if (typeof(message.payload) == "string") {
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|                 message.payload = JSON.parse(message.payload);
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|             }
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|             if (message.payload.read) {
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|                 hmoutnode.read();
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|             }
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|             else if (message.payload) {
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|                 // Compare message.payload data to confirm valid and send to thermostat
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|                 var validInputs = ["heating", "runmode"];
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|                 for (var key in message.payload) {
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|                     if (message.payload.hasOwnProperty(key)) {
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|                         if (validInputs.indexOf(key) < 0) {
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|                             hmoutnode.log("Warning: Unsupported key ("+key+") passed!");
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|                             return;
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|                         }
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|                     }
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|                 }
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|                 hmoutnode.validateAndWrite(message);
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|             }
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|         });
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|     }
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|     RED.nodes.registerType("heatmiser-in",HeatmiserInputNode);
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| 
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|     function HeatmiserOutputNode(n) {
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|         // TODO - holiday and hot water cases when confirmed working
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|         var DEBUG = false;
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|         RED.nodes.createNode(this,n);
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|         this.ip = n.ip || "192.168.0.1";
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|         this.pin = n.pin || "1234";
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|         this.multiWriteFunc = undefined;
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|         var hminnode = this;
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|         this.pollIntervalRef = undefined;
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| 
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|         this.hm = new Heatmiser(this.ip, this.pin);
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| 
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|         this.hm.on('success', function(data) {
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|             if (DEBUG) {
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|                 hminnode.log("Successfully wrote data. Response : " + JSON.stringify(data));
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|             }
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|             hminnode.currentStatus = data.dcb;
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|             if (hminnode.multiWriteFunc) {
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|                 hminnode.multiWriteFunc();
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|                 hminnode.multiWriteFunc = undefined;
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|                 return;
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|             }
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|             hminnode.send({topic: "", payload:JSON.stringify(data.dcb)});
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|         });
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|         this.hm.on('error', function(data) {
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|             if (DEBUG) {
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|                 hminnode.log("Error during data setting : " + JSON.stringify(data));
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|             }
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|             hminnode.send(data);
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|         });
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| 
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|         this.on("close", function() {
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|             if (this.pollIntervalRef) {
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|                 clearInterval(this.pollIntervalRef);
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|                 this.pollIntervalRef = undefined;
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|             }
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|         });
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| 
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|         this.read = function() {
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|             if (hminnode.hm) {
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|                 hminnode.hm.read_device();
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|             }
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|         };
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| 
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|         if (!this.currentStatus) {
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|             this.read();
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|             this.pollIntervalRef = setInterval(this.read, 30*60*1000);
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|         }
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| 
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|         this.write = function(dcb) {
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|             if (hminnode.hm) {
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|                 hminnode.hm.write_device(dcb);
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|             }
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|         };
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| 
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| 
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|         this.validateAndWrite = function(message) {
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|             for (var key in message.payload) {
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|                     // Ensure our valid keys contain valid values
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|                     switch(key) {
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|                         case "runmode" :
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|                             if (DEBUG) {
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|                                 hminnode.log("Hit the runmode case");
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|                             }
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|                             if (message.payload[key] !== "frost" && message.payload[key] !== "heating") {
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|                                 hminnode.log("Warning: Unsupported 'runmode' value passed!");
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|                                 return;
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|                             }
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|                             break;
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| 
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|                         // case "holiday" :
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|                         //  if (DEBUG) {
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|                         //      hminnode.log("Hit the holiday case");
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|                         //  }
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|                         //  if (!('enabled' in message.payload[key]) && !('time' in message.payload[key])) {
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|                         //      hminnode.log("Warning: Unsupported 'holiday' value passed!");
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|                         //      return;
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|                         //  }
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|                         //  var time = message.payload[key].time;
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|                         //  // Ensure hminnode time is a date
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|                         //  if (typeof(time) == "string") {
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|                         //      hminnode.log("Typeof time was " +typeof(message.payload[key].time));
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|                         //      // message.payload[key].time = new Date(message.payload[key].time);
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|                         //      message.payload[key].time = new Date(2014, 02, 15, 12, 0, 0);
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|                         //      hminnode.log("Typeof time is now " +typeof(message.payload[key].time));
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|                         //  }
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|                         //  // Also add in away mode (for hot water) if we're on hols
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|                         //  if (message.payload[key].time) {
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|                         //      message.payload.away_mode = 1;
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|                         //  }
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|                         //  else {
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|                         //      message.payload.away_mode = 0;
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|                         //  }
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|                         //  break;
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| 
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|                         // case "hotwater" :
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|                         //  if (DEBUG) {
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|                         //      hminnode.log("Hit the hotwater case");
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|                         //  }
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|                         //  if (message.payload[key] !== "on" && message.payload[key] !== "boost" && message.payload[key] !== "off") {
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|                         //      hminnode.log("Warning: Unsupported 'hotwater' value passed!");
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|                         //      return;
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|                         //  }
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|                         //  break;
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| 
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|                         case "heating" :
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|                             // Ensure heating stays last! It's got a multi write scenario
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|                             if (DEBUG) {
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|                                 hminnode.log("Hit the heating case");
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|                             }
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|                             if (!('target' in message.payload[key]) && !('hold' in message.payload[key])) {
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|                                 hminnode.log("Warning: Unsupported 'heating' value passed!");
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|                                 return;
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|                             }
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|                             // Set sane temp and time ranges and sanitise to float/int
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|                             var target = parseFloat(message.payload[key].target);
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|                             var hold = parseInt(message.payload[key].hold);
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|                             (target > 30.0) ? message.payload[key].target = 30.0 : message.payload[key].target = target;
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|                             (hold > 1440) ? message.payload[key].hold = 1440 : message.payload[key].hold = hold;
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|                             (target <= 10.0) ? message.payload[key].target = 10.0 : message.payload[key].target = target;
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|                             (hold <= 0) ? message.payload[key].hold = 0 : message.payload[key].hold = hold;
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| 
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|                             // Ensure hminnode runmode == heating first
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|                             if (hminnode.currentStatus.run_mode === "frost_protection") {
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|                                 // Use the multiWriteFunc as a callback in our success case
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|                                 hminnode.multiWriteFunc = function() {
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|                                     hminnode.write(message.payload);
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|                                 }
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|                                 hminnode.write({"runmode" : "heating"});
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|                                 // End the flow here to ensure no double-writing
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|                                 return;
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|                             }
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|                             break;
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| 
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|                         default :
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|                             break;
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|                     }
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|                 }
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|                 // Valid set of key messages, construct DCB and write
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|                 var dcb = message.payload;
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|                 if (DEBUG) {
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|                     hminnode.log("Injecting " + JSON.stringify(dcb));
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|                 }
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|                 hminnode.write(dcb);
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|         };
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| 
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|         this.on("input", function(message) {
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|             // Valid inputs are heating:{target:, hold:}, read:, runmode:frost/heating, holiday:{enabled:, time:}, hotwater:{'on':1/0 / 'boost':1/0}
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|             if (message.payload) {
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|                 if (typeof(message.payload) === "string") {
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|                     message.payload = JSON.parse(message.payload);
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|                 }
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|                 // Compare message.payload data to confirm valid and send to thermostat
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|                 var validInputs = ["heating", "runmode"];
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|                 for (var key in message.payload) {
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|                     if (message.payload.hasOwnProperty(key)) {
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|                         if (validInputs.indexOf(key) < 0) {
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|                             hminnode.log("Warning: Unsupported key ("+key+") passed!");
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|                             return;
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|                         }
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|                     }
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|                 }
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|                 hminnode.validateAndWrite(message);
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|             }
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|             else {
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|                 hminnode.log("Warning: Invalid input passed!");
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|                 return;
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|             }
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|         });
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|     }
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|     RED.nodes.registerType("heatmiser-out",HeatmiserOutputNode);
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| }
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