node-red-contrib-home-assistant-websocket/examples/cookbook/holiday-lights-scheduler-and-demo-mode-for-wled/holiday-lights-scheduler-and-demo-mode-for-wled_v0.json

Node-RED integration with Home Assistant through websocket and REST API

[{"id":"eb756b3f.d770f8","type":"subflow","name":"Create HA Helpers","info":"","category":"","in":[{"x":84,"y":96,"wires":[{"id":"7f1493fc.1300fc"}]}],"out":[],"env":[{"name":"serverName","type":"str","value":"Home Assistant","ui":{"label":{"en-US":"HA Server Name"},"type":"input","opts":{"types":["str"]}}},{"name":"helpers","type":"json","value":"[]","ui":{"label":{"en-US":"Helpers"},"type":"input","opts":{"types":["json"]}}}],"color":"#DDAA99","status":{"x":246,"y":48,"wires":[{"id":"a66d5d93.8a5f","port":0}]}},{"id":"7f1493fc.1300fc","type":"function","z":"eb756b3f.d770f8","name":"process helpers","func":"const serverName = toCamelCase(env.get('serverName'));\nconst haServer = global.get(\"homeassistant\")[serverName];\nif(!haServer) {\n    node.error(\"Invalid HA server name\");\n    return;\n}\nconst states = haServer.states;\nconst helpers = env.get(\"helpers\");\n\nhelpers.forEach(h => {\n    const entityId = `${h.type}.${h.id}`;\n    if(!states[entityId]) {\n        const {id, type, ...data} = h;\n        const apiData = {\n            entity: h,\n            payload: { \n                data \n            }\n        };\n        apiData.payload.data.type = `${type}/create`;\n    \n        node.send(apiData);\n        node.status({text: `Creating ${entityId}`});\n    }\n});\n\nnode.done();\n\nfunction toCamelCase(str) {\n    return str.replace(/(?:^\\w|[A-Z]|\\b\\w|\\s+)/g, (match, index) => {\n        if (+match === 0) return '';\n        return index === 0 ? match.toLowerCase() : match.toUpperCase();\n    });\n}","outputs":1,"noerr":0,"initialize":"","finalize":"","x":224,"y":96,"wires":[["a4a0abd9.7576d8"]]},{"id":"a4a0abd9.7576d8","type":"ha-api","z":"eb756b3f.d770f8","name":"create helper","server":"","debugenabled":false,"protocol":"websocket","method":"get","path":"","data":"","dataType":"json","location":"payload","locationType":"msg","responseType":"json","x":390,"y":96,"wires":[["b76d0c56.d54b9"]]},{"id":"388bb5c7.47346a","type":"ha-api","z":"eb756b3f.d770f8","name":"rename helper entity id","server":"","debugenabled":false,"protocol":"websocket","method":"get","path":"","data":"{\t   \"type\":\"config/entity_registry/update\",\t   \"entity_id\": entity.type & \".\" & payload.id,\t   \"new_entity_id\": entity.type & \".\" & entity.id\t}","dataType":"jsonata","location":"payload","locationType":"msg","responseType":"json","x":788,"y":96,"wires":[[]]},{"id":"b76d0c56.d54b9","type":"switch","z":"eb756b3f.d770f8","name":"need to rename?","property":"payload.id","propertyType":"msg","rules":[{"t":"neq","v":"entity.id","vt":"msg"}],"checkall":"true","repair":false,"outputs":1,"x":570,"y":96,"wires":[["388bb5c7.47346a","3e47440a.eee2cc"]]},{"id":"a66d5d93.8a5f","type":"status","z":"eb756b3f.d770f8","name":"","scope":["7f1493fc.1300fc","858d7015.518f4","3e47440a.eee2cc"],"x":124,"y":48,"wires":[[]]},{"id":"3e47440a.eee2cc","type":"function","z":"eb756b3f.d770f8","name":"rename status","func":"const oldEntityId = `${msg.entity.type}.${msg.payload.id}`;\nconst newEntityId = `${msg.entity.type}.${msg.entity.id}`;\n\nnode.status({text: `Renaming ${oldEntityId} to ${newEntityId}`});","outputs":1,"noerr":0,"initialize":"","finalize":"","x":768,"y":144,"wires":[[]]},{"id":"4762791a.4c5408","type":"function","z":"daf25abf.0203b8","name":"date ranges","func":"const now = new Date();\nconst monthDay = getMonthDay(now);\nconst { idLookup, nameLookup } = flow.get(\"wledHolidayLightsPresets\");\nconst christmasPresets = [\n  \"Christmas\",\n  \"Christmas Classic\",\n  \"Christmas Holly Jolly\",\n  \"Christmas Candy Cane\"\n];\nconst states = global.get(\"homeassistant\").homeAssistant.states;\nconst entityId = flow.get(\"wledHolidayLightsEntityId\");\n\nlet updateInterval = 0; // in minutes\nlet preset;\n\nswitch(true) {\n// Winter \n    case isToday(214):\n      preset = \"Valentine\";\n      break;\n// President's Day changes every year, Veteran's Day & Flag Day always the same date\n    case isToday(614): // 6/14 Flag Day\n    case isToday(1111): // 11/11 Veterans Day\n    case isToday(\"President's Day\"):\n    case isToday(\"Memorial Day\"):\n      preset = \"Red, White, and Blue\";\n      break;\n    case isToday(317):\n      preset = \"St Patty\";\n      break;\n    case isToday(\"Easter\"):\n      preset = \"Easter\";\n      break;\n// Spring\n    case isToday(504):\n      preset = \"Starwars\";\n      break;\n    case isToday(505):\n      preset = \"Cinco de Mayo\";\n      break;\n// Summer\n    case isToday(704):\n      preset = \"Independence Day\";\n      break;\n// Autumn\n    case isToday(1017, 1031):\n      preset = \"Halloween\";\n      break;\n    case isToday(\"Thanksgiving Day\"):\n      preset = \"Autumn\";\n      break;\n    case isToday(1231):\n      preset = \"New Years\";\n      break;\n    case isToday(\"Thanksgiving Day\", 1231):\n    case isToday(101, 106):\n      preset = getRandomPreset(christmasPresets);\n      updateInterval = 60;\n      break;\n    default:\n      const seasons = {\n        \"winter\": \"Winter\",\n        \"spring\": \"Spring\",\n        \"summer\": \"Summer\",\n        \"autumn\": \"Autumn\"\n      }\n      const currentSeason = states[\"sensor.season\"].state;\n      preset = seasons[currentSeason];\n      break;\n}\n\nnode.status({ text: preset});\nmsg.payload = nameLookup[preset];\nconst secondOutput = updateInterval ?  { payload: { timeout: updateInterval } } : { reset: true };\n\nreturn [msg, secondOutput];\n\nfunction isToday(start, end) {\n  if (typeof start === \"string\") {\n    start = getHolidayDate(now, start)\n  }\n  if (typeof end === \"string\") {\n    end = getHolidayDate(now, end)\n  }\n  if (end === undefined) return monthDay === start;\n\n  return monthDay >= start && monthDay <= end;\n}\n\nfunction getHolidayDate(date, holiday) {\n    holiday = holiday.toLowerCase();\n    // dates are formatted as month, week, day of the week\n    // names should be lowercase\n    const holidays = {\n        \"martin luther king day\": [0,2,1],\n        \"president's day\": [1,2,1],\n        \"daylight savings time begins\": [2,1,0],\n        \"mother's day\": [4,1,0],\n        \"memorial day\": [4,-1,1],\n        \"father's day\": [5,2,0],\n        \"labor day\": [8,0,1],\n        \"columbus day\": [9,1,1],\n        \"daylight savings time ends\": [10,0,0],\n        \"thanksgiving day\": [10,3,4]\n    };\n    let holidayDate;\n    if(holiday === \"easter\") {\n        holidayDate = getEasterDate(date); \n    } else {\n        const [month, week, day] = holidays[holiday];\n        holidayDate = getDate(date.getFullYear(), month, week, day);\n    }\n    \n    const monthDay = getMonthDay(holidayDate);\n    \n    return monthDay;\n}\n\nfunction getMonthDay(date) {\n    const monthString = String(date.getMonth() + 1).padStart(2, \"0\");\n    const dayString = String(date.getDate()).padStart(2, \"0\");\n    const monthDay = Number(`${monthString}${dayString}`);\n    \n    return monthDay;\n}\n\nfunction getDate(year, month, week, day) {\n    let firstDay = 1;\n    if (week < 0) {\n        month++;\n        firstDay--;\n    }\n    const date = new Date(year, month, (week * 7) + firstDay);\n    if (day < date.getDay()) {\n        day += 7;\n    }\n    date.setDate(date.getDate() - date.getDay() + day);\n    return date;\n}\n\n/**\n * Calculates Easter in the Gregorian/Western (Catholic and Protestant) calendar\n * based on the algorithm by Oudin (1940) from http://www.tondering.dk/claus/cal/easter.php\n * @returns {array} [int month, int day]\n */\nfunction getEasterDate(date) {\n  const year = date.getFullYear();\n  const f = Math.floor,\n    // Golden Number - 1\n    G = year % 19,\n    C = f(year / 100),\n    // related to Epact\n    H = (C - f(C / 4) - f((8 * C + 13) / 25) + 19 * G + 15) % 30,\n    // number of days from 21 March to the Paschal full moon\n    I = H - f(H / 28) * (1 - f(29 / (H + 1)) * f((21 - G) / 11)),\n    // weekday for the Paschal full moon\n    J = (year + f(year / 4) + I + 2 - C + f(C / 4)) % 7,\n    // number of days from 21 March to the Sunday on or before the Paschal full moon\n    L = I - J,\n    month = 3 + f((L + 40) / 44),\n    day = L + 28 - 31 * f(month / 4);\n\n  return new Date(`${month}/${day}/${year}`);\n}\n\nfunction getRandomPreset(list) {\n  const activePreset = states[entityId].attributes.preset;\n  const presetName = idLookup[activePreset];\n  const filteredList = list.filter((e) => e !== presetName);\n  \n  return filteredList[Math.floor(Math.random() * filteredList.length)];\n}\n","outputs":2,"noerr":0,"initialize":"","finalize":"","x":470,"y":272,"wires":[["91b62e9f.fe736","dece0bc.3c215f8"],["dc570e50.22a3a"]]},{"id":"c46d93f8.1fe18","type":"switch","z":"daf25abf.0203b8","name":"dark?","property":"dark","propertyType":"flow","rules":[{"t":"true"},{"t":"false"}],"checkall":"true","repair":false,"outputs":2,"x":306,"y":272,"wires":[["4762791a.4c5408"],["73710f8.1582bf"]]},{"id":"fe4f63d8.5312c","type":"server-state-changed","z":"daf25abf.0203b8","name":"Demo Mode","server":"","version":1,"exposeToHomeAssistant":false,"haConfig":[{"property":"name","value":""},{"property":"icon","value":""}],"entityidfilter":"input_select.holiday_lights_demo_mode","entityidfiltertype":"exact","outputinitially":false,"state_type":"str","haltifstate":"off","halt_if_type":"str","halt_if_compare":"is","outputs":2,"output_only_on_state_change":true,"for":"","forType":"num","forUnits":"minutes","ignorePrevStateNull":true,"ignorePrevStateUnknown":true,"ignorePrevStateUnavailable":true,"ignoreCurrentStateUnknown":true,"ignoreCurrentStateUnavailable":true,"x":102,"y":464,"wires":[["1a546dd7.2d8ef2"],["92c007de.c4a168"]]},{"id":"73710f8.1582bf","type":"api-call-service","z":"daf25abf.0203b8","name":"turn off holiday lights","server":"","version":1,"debugenabled":false,"service_domain":"light","service":"turn_off","entityId":"{{flow.wledHolidayLightsEntityId}}","data":"","dataType":"json","mergecontext":"","output_location":"payload","output_location_type":"msg","mustacheAltTags":false,"x":500,"y":320,"wires":[[]]},{"id":"dc570e50.22a3a","type":"ha-wait-until","z":"daf25abf.0203b8","name":"loop","server":"","outputs":2,"entityId":"{{flow.wledHolidayLightsEntityId}}","entityIdFilterType":"exact","property":"state","comparator":"is","value":"off","valueType":"str","timeout":"60","timeoutType":"num","timeoutUnits":"minutes","entityLocation":"","entityLocationType":"none","checkCurrentState":false,"blockInputOverrides":false,"x":658,"y":272,"wires":[[],["4762791a.4c5408"]]},{"id":"f5422b5c.762798","type":"eztimer","z":"daf25abf.0203b8","name":"","debug":false,"autoname":"sunset - 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lights","server":"","version":1,"debugenabled":false,"service_domain":"wled","service":"preset","entityId":"{{flow.wledHolidayLightsEntityId}}","data":"{\"preset\": payload}","dataType":"jsonata","mergecontext":"","output_location":"","output_location_type":"none","mustacheAltTags":false,"x":708,"y":224,"wires":[[]]},{"id":"78b7479f.e79dd8","type":"function","z":"daf25abf.0203b8","name":"get preset","func":"// WLED Presets\nconst { nameLookup } = flow.get(\"wledHolidayLightsPresets\");\n\nmsg.payload = nameLookup[msg.payload];\n\nreturn msg;","outputs":1,"noerr":0,"initialize":"","finalize":"","x":668,"y":176,"wires":[["cc0fc459.d7f3a8"]]},{"id":"6a3ef206.84c5fc","type":"api-call-service","z":"daf25abf.0203b8","name":"populate HA dropdown with presets","server":"","version":1,"debugenabled":false,"service_domain":"input_select","service":"set_options","entityId":"input_select.holiday_lights_presets","data":"{\"options\": payload}","dataType":"jsonata","mergecontext":"","output_location":"","output_location_type":"none","mustacheAltTags":false,"x":748,"y":128,"wires":[["d7d3f0e8.9971d"]]},{"id":"a6b79bf.256d268","type":"inject","z":"daf25abf.0203b8","name":"Setup","props":[{"p":"entityId","v":"light.holiday_lights","vt":"str"},{"p":"WLED_IP","v":"","vt":"str"}],"repeat":"3600","crontab":"","once":true,"onceDelay":0.1,"topic":"","x":108,"y":128,"wires":[["4b308915.771578"]]},{"id":"1538c003.e770a","type":"ha-wait-until","z":"daf25abf.0203b8","name":"loop","server":"","outputs":2,"entityId":"{{flow.wledHolidayLightsEntityId}}","entityIdFilterType":"exact","property":"state","comparator":"is","value":"off","valueType":"str","timeout":"$number($entities(\"input_number.holiday_lights_demo_mode_delay\").state)","timeoutType":"jsonata","timeoutUnits":"seconds","entityLocation":"","entityLocationType":"none","checkCurrentState":false,"blockInputOverrides":true,"x":866,"y":512,"wires":[[],["92c007de.c4a168"]]},{"id":"92c007de.c4a168","type":"switch","z":"daf25abf.0203b8","name":"which 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effect}","dataType":"jsonata","mergecontext":"","output_location":"","output_location_type":"none","mustacheAltTags":false,"x":678,"y":560,"wires":[["1538c003.e770a","e132c6fa.e3da18"]]},{"id":"1a546dd7.2d8ef2","type":"change","z":"daf25abf.0203b8","name":"reset","rules":[{"t":"set","p":"reset","pt":"msg","to":"true","tot":"bool"},{"t":"set","p":"payload","pt":"msg","to":"info","tot":"str"}],"action":"","property":"","from":"","to":"","reg":false,"x":258,"y":464,"wires":[["1538c003.e770a","c46d93f8.1fe18"]]},{"id":"71da85fd.de44fc","type":"api-call-service","z":"daf25abf.0203b8","name":"turn off demo mode","server":"","version":1,"debugenabled":false,"service_domain":"input_select","service":"select_option","entityId":"input_select.holiday_lights_demo_mode","data":"{\"option\": \"off\"}","dataType":"json","mergecontext":"","output_location":"","output_location_type":"none","mustacheAltTags":false,"x":378,"y":608,"wires":[[]]},{"id":"320d2444.2aa86c","type":"server-state-changed","z":"daf25abf.0203b8","name":"Holiday Lights turned off?","server":"","version":1,"exposeToHomeAssistant":false,"haConfig":[{"property":"name","value":""},{"property":"icon","value":""}],"entityidfilter":"light.holiday_lights","entityidfiltertype":"exact","outputinitially":false,"state_type":"str","haltifstate":"off","halt_if_type":"str","halt_if_compare":"is","outputs":2,"output_only_on_state_change":false,"for":0,"forType":"num","forUnits":"minutes","ignorePrevStateNull":false,"ignorePrevStateUnknown":false,"ignorePrevStateUnavailable":false,"ignoreCurrentStateUnknown":false,"ignoreCurrentStateUnavailable":false,"x":140,"y":608,"wires":[["71da85fd.de44fc"],[]]},{"id":"7f2dc75.a04cf38","type":"function","z":"daf25abf.0203b8","name":"get next effect","func":"const states = global.get(\"homeassistant\").homeAssistant.states;\nconst entityId = flow.get(\"wledHolidayLightsEntityId\");\nconst effects = states[entityId].attributes.effect_list;\nconst activeEffect = states[entityId].attributes.effect;\nlet index = effects.findIndex(ele => ele === activeEffect);\nindex = (index === -1 || index >= effects.length - 1) ? 0 : index + 1;\n\nnode.status({text: effects[index]});\n\nmsg.effect = msg.name = effects[index];\n\nreturn msg;","outputs":1,"noerr":0,"initialize":"","finalize":"","x":480,"y":560,"wires":[["9755a99c.54ba18"]]},{"id":"29bbe4ad.4de71c","type":"function","z":"daf25abf.0203b8","name":"get next preset","func":"const states = global.get(\"homeassistant\").homeAssistant.states;\nconst entityId = flow.get(\"wledHolidayLightsEntityId\");\nconst { idLookup, nameLookup } = flow.get(\"wledHolidayLightsPresets\");\nconst keys = Object.keys(idLookup);\nconst activePreset = states[entityId].attributes.preset;\nlet index = keys.findIndex(ele => ele == activePreset);\nindex = index === -1 || index >= keys.length - 1 ? 0 : index +1;\nconst name = idLookup[keys[index]];\n\nnode.status({text: name });\n\nmsg.preset = keys[index];\nmsg.name = name;\n\nreturn msg;","outputs":1,"noerr":0,"initialize":"","finalize":"","x":480,"y":512,"wires":[["422a9fe2.d974c"]]},{"id":"d89db901.9fd588","type":"function","z":"daf25abf.0203b8","name":"process data","func":"if(msg.statusCode !== 200) {\n    node.status({fill: 'red', shape: 'dot', text: `Status Code: ${msg.statusCode}`})\n    return;\n}\n\nconst wledPresets = msg.payload;\nconst idLookup = {};\nconst nameLookup = {};\n\nfor(const key in wledPresets) {\n    if(Object.keys(wledPresets[key]).length > 0) {\n        const name = wledPresets[key].n;\n        idLookup[key] = name;\n        nameLookup[name] = key;\n    }\n}\n\nconst presets = {\n    idLookup,\n    nameLookup,\n    names: Object.values(idLookup).sort()\n};\n\nflow.set(\"wledHolidayLightsPresets\", presets);\nflow.set(\"wledHolidayLightsEntityId\", msg.entityId);\nnode.status({text: `${presets.names.length} Presets Processed`});\n\nmsg.payload = presets.names;\n\nreturn [msg, { payload: \"disable\" }];","outputs":2,"noerr":0,"initialize":"","finalize":"","x":470,"y":128,"wires":[["6a3ef206.84c5fc"],["539eea44.9b6524"]]},{"id":"d7d3f0e8.9971d","type":"change","z":"daf25abf.0203b8","name":"enable","rules":[{"t":"set","p":"payload","pt":"msg","to":"enable","tot":"str"}],"action":"","property":"","from":"","to":"","reg":false,"x":962,"y":128,"wires":[["7c6317af.370198"]]},{"id":"539eea44.9b6524","type":"trigger-state","z":"daf25abf.0203b8","name":"Preset 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