gistfile1.txt

[
  [
    {
      "id": "7dd09f58.f305e",
      "type": "tab",
      "label": "BART Display",
      "disabled": false,
      "info": ""
    },
    {
      "id": "5f0b8ee.a89df7",
      "type": "inject",
      "z": "7dd09f58.f305e",
      "name": "",
      "topic": "",
      "payload": "",
      "payloadType": "date",
      "repeat": "",
      "crontab": "",
      "once": false,
      "onceDelay": 0.1,
      "x": 145,
      "y": 388,
      "wires": [
        [
          "3bd05714.4f59b8"
        ]
      ]
    },
    {
      "id": "c12c8546.cba2a8",
      "type": "openweathermap in",
      "z": "7dd09f58.f305e",
      "name": "",
      "wtype": "current",
      "lon": "",
      "lat": "",
      "city": "Hayward, California",
      "country": "United States",
      "language": "en",
      "x": 133,
      "y": 466,
      "wires": [
        [
          "998a93fd.f4833",
          "6b34d75b.367358"
        ]
      ]
    },
    {
      "id": "998a93fd.f4833",
      "type": "debug",
      "z": "7dd09f58.f305e",
      "name": "",
      "active": true,
      "tosidebar": true,
      "console": false,
      "tostatus": false,
      "complete": "true",
      "x": 1078,
      "y": 401,
      "wires": []
    },
    {
      "id": "3bd05714.4f59b8",
      "type": "openweathermap",
      "z": "7dd09f58.f305e",
      "name": "",
      "wtype": "current",
      "lon": "",
      "lat": "",
      "city": "Hayward, California",
      "country": "United States",
      "language": "en",
      "x": 338,
      "y": 388,
      "wires": [
        [
          "6b34d75b.367358",
          "998a93fd.f4833"
        ]
      ]
    },
    {
      "id": "76ceb20d.075cfc",
      "type": "mqtt out",
      "z": "7dd09f58.f305e",
      "name": "",
      "topic": "",
      "qos": "",
      "retain": "false",
      "broker": "b558af9.9ad0b5",
      "x": 1091,
      "y": 523,
      "wires": []
    },
    {
      "id": "6b34d75b.367358",
      "type": "function",
      "z": "7dd09f58.f305e",
      "name": "Extract Values",
      "func": "var varnamePrefix = msg.varname_prefix || '';\n\nvar messages = [];\nconst addMessage = (varname, value) => { \n    messages.push({\n        topic: `template-displays/bart/${varnamePrefix}${varname}`,\n        payload: value\n    });\n};\n\nconst convertTemp = (c) => {\n    if (c > 200) {\n        c -= 273.15;\n    }\n    return ((c*9/5)+32);\n}\n\nconst { \n    temp_max,\n    temp_min,\n    temp\n} = msg.data.main;\nconst icon = msg.data.weather[0].icon;\nconst convertTime = (t) => {\n    var then = new Date(t).getTime();\n    \n    if (then > new Date().getTime()/100) {\n        return then/1000;\n    } else {\n        return then;\n    }\n};\n\n// addMessage('test', msg.data);\naddMessage('forecast_high', convertTemp(temp_max));\naddMessage('forecast_low', convertTemp(temp_min));\naddMessage('forecast_temp', convertTemp(temp));\naddMessage('weather_icon', icon);\naddMessage('timestamp', convertTime(msg.data.dt));\n\nreturn [ messages ];",
      "outputs": 1,
      "noerr": 0,
      "x": 894,
      "y": 480,
      "wires": [
        [
          "76ceb20d.075cfc",
          "998a93fd.f4833"
        ]
      ]
    },
    {
      "id": "c83e93b5.032c2",
      "type": "openweathermap",
      "z": "7dd09f58.f305e",
      "name": "",
      "wtype": "forecast",
      "lon": "",
      "lat": "",
      "city": "Hayward, California",
      "country": "United States",
      "language": "en",
      "x": 315,
      "y": 316,
      "wires": [
        [
          "986b1975.717578"
        ]
      ]
    },
    {
      "id": "9fe35092.cc07b",
      "type": "inject",
      "z": "7dd09f58.f305e",
      "name": "",
      "topic": "",
      "payload": "",
      "payloadType": "date",
      "repeat": "3600",
      "crontab": "",
      "once": false,
      "onceDelay": 0.1,
      "x": 142,
      "y": 317,
      "wires": [
        [
          "c83e93b5.032c2"
        ]
      ]
    },
    {
      "id": "986b1975.717578",
      "type": "function",
      "z": "7dd09f58.f305e",
      "name": "Extract Daily Forecasts",
      "func": "const FORECAST_INTERVAL = 3; // hours\nconst NUM_FORECASTS = 5;\n\nconst forecasts = msg.payload;\nconst todaysDate = (new Date()).getDate();\n\nvar messages = [];\n\nconst addMessage = (varname, forecast) => {\n    messages.push({\n        varname_prefix: varname,\n        data: Object.assign({}, forecast, {dt:forecast.dt*1000})\n    });\n};\n\nconst addForecast = (index, forecast) => {\n    addMessage(`daily_weather_slot${index}_`, forecast);\n};\n\nmessages.push('timestamps', {data: forecasts.map(v => (v.dt))});\n\n// Find first datapoint that's from tomorrow and is after 12pm\nconst firstForecast = forecasts.findIndex(v => {\n    const date = new Date(v.dt * 1000);\n    return date != todaysDate && date.getHours() >= 12;\n});\n\nvar slotNum = 0;\n\nfor (var i = firstForecast; slotNum < NUM_FORECASTS; i += 24 / FORECAST_INTERVAL) {\n    addForecast(slotNum++, forecasts[i] || forecasts[forecasts.length - 1]);\n}\n\nreturn [ messages ];",
      "outputs": 1,
      "noerr": 0,
      "x": 611,
      "y": 316,
      "wires": [
        [
          "998a93fd.f4833",
          "6b34d75b.367358"
        ]
      ]
    },
    {
      "id": "6f1354c2.45cdec",
      "type": "debug",
      "z": "7dd09f58.f305e",
      "name": "",
      "active": true,
      "tosidebar": true,
      "console": false,
      "tostatus": false,
      "complete": "true",
      "x": 716,
      "y": 636,
      "wires": []
    },
    {
      "id": "4fa824b7.77d8ec",
      "type": "json",
      "z": "7dd09f58.f305e",
      "name": "",
      "property": "payload",
      "action": "",
      "pretty": false,
      "x": 340.5,
      "y": 590,
      "wires": [
        [
          "b9c26cb1.fc39a"
        ]
      ]
    },
    {
      "id": "b9c26cb1.fc39a",
      "type": "function",
      "z": "7dd09f58.f305e",
      "name": "Format, add timestamp",
      "func": "return [\n    [\n        {\n            topic: 'template-displays/bart/outside_temp',\n            payload: msg.payload.temperature\n        },\n        {\n            topic: 'template-displays/bart/outside_temp_updated_at',\n            payload: (new Date()).getTime()/1000\n        }\n    ]\n];",
      "outputs": 1,
      "noerr": 0,
      "x": 546,
      "y": 591,
      "wires": [
        [
          "6f1354c2.45cdec",
          "76ceb20d.075cfc"
        ]
      ]
    },
    {
      "id": "b8c4741d.2c1c18",
      "type": "inject",
      "z": "7dd09f58.f305e",
      "name": "",
      "topic": "",
      "payload": "",
      "payloadType": "date",
      "repeat": "30",
      "crontab": "",
      "once": false,
      "onceDelay": 0.1,
      "x": 139,
      "y": 747,
      "wires": [
        [
          "613131e.469e2d"
        ]
      ]
    },
    {
      "id": "613131e.469e2d",
      "type": "http request",
      "z": "7dd09f58.f305e",
      "name": "Get BART Times",
      "method": "GET",
      "ret": "obj",
      "url": "http://my-barttimes-source/estimates.json",
      "tls": "",
      "x": 319,
      "y": 750,
      "wires": [
        [
          "6f1354c2.45cdec",
          "539a7ece.a6e5a"
        ]
      ]
    },
    {
      "id": "539a7ece.a6e5a",
      "type": "function",
      "z": "7dd09f58.f305e",
      "name": "Format",
      "func": "var topic = 'template-displays/bart/next_train';\nvar message;\n\nif (msg.payload.length === 0) {\n    message = 'No trains';\n} else {\n    const minutes = msg.payload[0].map(v => (\n        `${v.minutes == 'Leaving' ? 0 : v.minutes}m`\n    ));\n    \n    message = minutes.slice(0,2).join(', ');\n}\n\nreturn {\n    topic: topic,\n    payload: message\n};",
      "outputs": 1,
      "noerr": 0,
      "x": 592,
      "y": 754,
      "wires": [
        [
          "76ceb20d.075cfc"
        ]
      ]
    },
    {
      "id": "d3616bb3.5e5a58",
      "type": "openweathermap in",
      "z": "7dd09f58.f305e",
      "name": "",
      "wtype": "current",
      "lon": "",
      "lat": "",
      "city": "San Francisco, California",
      "country": "United States",
      "language": "en",
      "x": 134,
      "y": 514,
      "wires": [
        [
          "3f955b81.b9e9f4"
        ]
      ]
    },
    {
      "id": "3f955b81.b9e9f4",
      "type": "template",
      "z": "7dd09f58.f305e",
      "name": "add sf_ prefix",
      "field": "varname_prefix",
      "fieldType": "msg",
      "format": "handlebars",
      "syntax": "plain",
      "template": "sf_",
      "output": "str",
      "x": 364,
      "y": 507,
      "wires": [
        [
          "6b34d75b.367358"
        ]
      ]
    },
    {
      "id": "6fd00cf.bb4d5f4",
      "type": "mqtt in",
      "z": "7dd09f58.f305e",
      "name": "",
      "topic": "sensors/temp/outside",
      "qos": "0",
      "broker": "b558af9.9ad0b5",
      "x": 137,
      "y": 587,
      "wires": [
        [
          "4fa824b7.77d8ec"
        ]
      ]
    },
    {
      "id": "b558af9.9ad0b5",
      "type": "mqtt-broker",
      "z": "",
      "name": "",
      "broker": "mymqtt",
      "port": "1883",
      "clientid": "",
      "usetls": false,
      "compatmode": true,
      "keepalive": "60",
      "cleansession": true,
      "willTopic": "",
      "willQos": "0",
      "willPayload": "",
      "birthTopic": "",
      "birthQos": "0",
      "birthPayload": ""
    }
  ]
]