-
Notifications
You must be signed in to change notification settings - Fork 1
/
index.js
225 lines (179 loc) · 9.96 KB
/
index.js
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
// 0.1.4: Adds customisable updateInterval; minor cleanup, enable/disable sensors, initial fakegato code (coming soon)
"use strict";
var Service, Characteristic, HomebridgeAPI;
var CommunityTypes;
var FakeGatoHistoryService;
var fetch = require("node-fetch");
module.exports = function(homebridge) {
console.log("BOMgovau says: homebridge API version: " + homebridge.version);
Service = homebridge.hap.Service;
Characteristic = homebridge.hap.Characteristic;
FakeGatoHistoryService = require('fakegato-history')(homebridge);
CommunityTypes = require('hap-nodejs-community-types')(homebridge); //For Pressure sensor.
HomebridgeAPI = homebridge;
homebridge.registerAccessory("homebridge-BOMgovau", "BOMgovau", BOMgovau);
}
function BOMgovau(log,config,api){
var pjson = require('./package.json');
this.plugin=pjson['name'];
this.version=pjson['version'];
this.name = "BOMgovau";
this.log = log;
this.config = config;
this.updateInterval=this.config['updateInterval'] | 30*60*1000; //How often to update from BOM site.
this.historyrefresh=3; //How often to refresh the data in fakegato
this.BOMdataExpires=0;
this.stationName=this.config['name'];
this.name = this.stationName;
this.sensors={}
//Determine which sensors to enable. If the sensor is not listed in the 'sensors' array it will be enabled by default. This means you can simply specify those to DISABLE. e.g. setting humidity=false
var possibleSensors=['temperature','humidity','apparentTemp'];
this.log("[BOM gov au] Enabling sensors")
for (var i = 0; i < possibleSensors.length; i++) {
var sensor=possibleSensors[i];
if (this.config['sensors']===undefined || this.config['sensors'][sensor]===undefined){
this.sensors[sensor]=true;
}
else {
this.sensors[sensor]=this.config['sensors'][sensor]
}
this.log("[BOM gov au] Sensor %s = %s",sensor,this.sensors[sensor])
}
this.stationURL = this.config['stationURL'];
if (!this.stationURL) {
this.log("[BOM gov au] No station URL specified. You probably don't want the ACT, but it'll be a nice demo.");
this.stationURL = "http://reg.bom.gov.au/fwo/IDN60903/IDN60903.94926.json";
this.stationName="Demo station (Canberra)";
}
this.log("[BOM gov au] Station Name is %s",this.stationName);
this.log("[BOM gov au] Station URL is %s",this.stationURL);
this._services = [];
this.informationService = new Service.AccessoryInformation();
this.informationService
.setCharacteristic(Characteristic.Manufacturer, "Stephen Cohen")
.setCharacteristic(Characteristic.Model, "Homebridge-BOMgovau v"+this.version)
.setCharacteristic(Characteristic.FirmwareRevision, "v"+this.version)
.setCharacteristic(Characteristic.SerialNumber, "Station: "+this.stationName);
//Temperature Service
if (this.sensors['temperature']) {
this.temperatureService = new Service.TemperatureSensor(this.name);
this.temperatureService
.getCharacteristic(Characteristic.CurrentTemperature)
.setProps({minValue: -100, maxValue: 100})
.on('get', this.getStateTemperature.bind(this));
this.temperatureService.addCharacteristic(CommunityTypes.AtmosphericPressureLevel); //Add pressure characteristic.
this.temperatureService
.getCharacteristic(CommunityTypes.AtmosphericPressureLevel)
.setProps({format: Characteristic.Formats.UINT16, minValue: 800, maxValue: 1200});
//Service status.
this.temperatureService.addOptionalCharacteristic(Characteristic.StatusFault);
this.temperatureService.addOptionalCharacteristic(Characteristic.StatusActive);
this.temperatureService.setCharacteristic(Characteristic.StatusActive,false);
//FakeGato
this.temperatureService.setCharacteristic(Characteristic.SerialNumber,"Station:"+this.stationName)
this.history = new FakeGatoHistoryService('weather', this.temperatureService, { storage: 'fs' });
}
if (this.sensors['apparentTemp']) {
//Apparent Temp
this.apparentTempService = new Service.TemperatureSensor(this.name);
this.apparentTempService
.getCharacteristic(Characteristic.CurrentTemperature)
.setProps({minValue: -100, maxValue: 100})
.on('get', this.getStateTemperature.bind(this));
}
if (this.sensors['humidity']) {
//Humidity Service
this.humidityService = new Service.HumiditySensor(this.name);
this.humidityService
.getCharacteristic(Characteristic.CurrentRelativeHumidity)
.on('get', this.getStateHumidity.bind(this));
this.humidityService.addOptionalCharacteristic(Characteristic.StatusFault);
this.humidityService.addOptionalCharacteristic(Characteristic.StatusActive);
this.humidityService.setCharacteristic(Characteristic.StatusActive,false);
this.humidityService.setCharacteristic(Characteristic.SerialNumber,"Station:"+this.stationName)
}
this.obs={'air_temp':0,'press':0,'rel_hum':0,'apparent_t':0};
if (!this.config.updateFrequency) {
this.config.updateFrequency = 30*60*1000; //Force a 30min refresh.
}
this.updateObservations(); //First update of the system.
}
BOMgovau.prototype.updateObservations = function() {
//If we haven't done an update yet, or the data has expired.
var now=new Date();
var curTime=now.getTime();
if (curTime>=this.BOMdataExpires) {
this.log("Current Time is "+curTime+", BOM data expires at "+this.BOMdataExpires);
this.log("Updating observations from BOM.");
const options = {
headers: { 'User-Agent': this.plugin + '/' + this.version + ' (' + this.name + ')' },
};
fetch(this.stationURL, options)
.then(response => {
response.json()
.then(json => {
this.obs=json['observations']['data'][0];
this.header=json['observations']['header'][0]
this.log("Observations retrieved for " + this.header.name + ", " + this.header.state);
var BOMyear=parseInt(this.obs.aifstime_utc.substr(0,4));
var BOMmonth=parseInt(this.obs.aifstime_utc.substr(4,2))-1; //Months start at 0, not 1.
var BOMday=parseInt(this.obs.aifstime_utc.substr(6,2));
var BOMhour=this.obs.aifstime_utc.substr(8,2);
var BOMmin=this.obs.aifstime_utc.substr(10,2);
var BOMsec=this.obs.aifstime_utc.substr(12,2);
var BOMdataDateTime=new Date(Date.UTC(BOMyear,BOMmonth,BOMday,BOMhour,BOMmin,BOMsec));
var BOMdataAge=curTime-BOMdataDateTime.getTime()
// bomUpdates every 30 mins = 30 * 60 * 1000 ms.
this.BOMdataExpires=BOMdataDateTime.getTime()+this.config.updateFrequency;
this.log("BOM data will expire at "+this.BOMdataExpires.toString()+" which is in "+((this.BOMdataExpires-curTime)/1000/60).toFixed(1)+"min")
// update all properties.
if (this.sensors['temperature']) {
this.temperatureService.setCharacteristic(Characteristic.StatusActive,true);
this.temperatureService.setCharacteristic(Characteristic.StatusFault,false);
this.temperatureService.setCharacteristic(Characteristic.CurrentTemperature, isNaN(this.obs.air_temp) ? 0 : this.obs.air_temp);
this.temperatureService.setCharacteristic(CommunityTypes.AtmosphericPressureLevel, isNaN(this.obs.press) ? 0 : this.obs.press);
}
if (this.sensors['apaprentTemp']) {
this.apparentTempService.setCharacteristic(Characteristic.CurrentTemperature, isNaN(this.obs.apparent_t) ? 0 : this.obs.apparent_t);
}
if (this.sensors['humidity']) {
this.humidityService.setCharacteristic(Characteristic.CurrentRelativeHumidity, isNaN(this.obs.rel_hum) ? 0 : this.obs.rel_hum);
this.humidityService.setCharacteristic(Characteristic.StatusActive,true);
this.humidityService.setCharacteristic(Characteristic.StatusFault,false);
}
//FakeGato logs:
this.history.addEntry({
time: curTime,
temp: this.obs.air_temp,
pressure: this.obs.press,
humidity: this.obs.rel_hum
});
this.log("Added FakeGato history")
})
.catch(error => {
this.temperatureService.setCharacteristic(Characteristic.StatusFault,true);
this.humidityService.setCharacteristic(Characteristic.StatusFault,true);
this.log('Request failed: ' + response.status)
this.log(error);
});
})
.catch(error => {
this.temperatureService.setCharacteristic(Characteristic.StatusFault,true);
this.humidityService.setCharacteristic(Characteristic.StatusFault,true);
this.log(error);
});
} else {
this.log("BOM data will expire at "+this.BOMdataExpires.toString()+" which is in "+((this.BOMdataExpires-curTime)/1000/60).toFixed(1)+"min")
}
}
BOMgovau.prototype.getStateHumidity = function(callback) {
this.updateObservations();
callback(null,this.obs.rel_hum);
}
BOMgovau.prototype.getStateTemperature = function(callback) {
this.updateObservations();
callback(null,this.obs.air_temp);
}
BOMgovau.prototype.getServices = function(callback){
return [this.informationService,this.temperatureService,this.humidityService]; //Todo: enable user to specify true/false for apparent temp in config file; then load it (or not) here.
}