Transport uber flow

transport-uber.flow

[{"id":"ecd5e4e2.132a18","type":"tfl underground","line":"Piccadilly","name":"Check Piccadilly line status","x":404,"y":485,"z":"86fba54d.790458","wires":[["c11f5737.3ee0a8"]]},{"id":"dc21420b.23dec","type":"inject","name":"","topic":"","payload":"","payloadType":"none","repeat":"","crontab":"","once":false,"x":55,"y":337,"z":"86fba54d.790458","wires":[["7653e6b2.89ac18"]]},{"id":"5df6386.fa209c8","type":"openweathermap","name":"London weather","lon":"","lat":"","city":"London","country":"England","x":346,"y":140,"z":"86fba54d.790458","wires":[["d18ecefa.2e713"]]},{"id":"c11f5737.3ee0a8","type":"function","name":"Is the Piccadilly line to Action Town OK?","func":"var stations = [\"Hyde Park Corner\", \"Knightsbridge\", \"South Kensington\", \"Earl's Court\", \"Hammersmith\", \"Turnham Green\", \"Acton Town\"];\nvar lineok = true;\nvar minordelays = false;\n\nif (msg.payload.goodservice) {\n    // minor delays are reported as good service but sometimes have a info about delay\n\tif (msg.payload.description === \"Minor Delays\") {\n\t    minordelays = true;\n\t    if (msg.payload.branchdisruptions.length > 0) {\n\t        for (var l = 0; l < msg.payload.branchdisruptions.length; l++) {\n\t        \n\t\t    \tvar disruption = msg.payload.branchdisruptions[l];\n\t\t    \tvar stationFrom = disruption.StationFrom[0].$.Name;\n\t    \t\tvar index = -1;\n\t    \t\tfor (var j = 0; j < stations.length; j++) {\n\t       \t\t\tif(stations[j] === stationFrom) {\n\t        \t  \t\tindex = j;\n\t       \t\t\t}\n\t    \t\t}\n\t    \t\tif ((index !== -1) && (index !== (stations.length - 1))) {\n\t       \t\t\tvar stationTo = disruption.StationTo[0].$.Name;\n\t       \t\t\tfor (var k = index; k < stations.length; j++) {\n\t       \t  \t\t\tif(stations[k] === stationTo) {\n\t            \t\t\tlineok = false;\n\t          \t\t\t}\n\t       \t\t\t}\n\t    \t\t}\n\t\t\t}\n\t\t}\t\t\t\n\t}\n} else {\n\tlineok = false;\n}\nmsg.payload = {};\nmsg.topic = \"underground\";\nmsg.payload = false;\n\nif (lineok) {\n\tmsg.payload = true;\n}\nreturn msg;","outputs":1,"x":790,"y":442,"z":"86fba54d.790458","wires":[["66c8d1cd.99373"]]},{"id":"66c8d1cd.99373","type":"function","name":"Make decision","func":"if(!context.global.travelData) {\n\tcontext.global.travelData = {};\n}\n\nif(msg.topic === \"weather\") {\n\tcontext.global.travelData.weatherOK = msg.payload;\n}\n\nif(msg.topic === \"underground\") {\n\tcontext.global.travelData.piccadillyOK = msg.payload;\n}\n\nif(msg.topic === \"bus\") {\n\tcontext.global.travelData.busOK = msg.payload;\n\t\n}\n\nif(msg.topic === \"bike\") {\n\tcontext.global.travelData.bikeOK = msg.payload;\n}\n\n// done set up\nif( (typeof context.global.travelData.piccadillyOK !== 'undefined' ) && (typeof context.global.travelData.busOK !== 'undefined' ) && (typeof context.global.travelData.weatherOK !== 'undefined' ) && (typeof context.global.travelData.bikeOK !== 'undefined' )) {\n\tif(context.global.travelData.weatherOK === false) {\n\t\tif(context.global.travelData.piccadillyOK === true) {\n\t\t\tmsg.payload = \"You should use the underground as the weather's bad.\";\n\t\t} else if(context.global.travelData.busOK === true) {\n\t\t\tmsg.payload = \"You should use the bus as the weather's bad and the underground has problems.\";\n\t\t} else {\n\t\t\tmsg.payload = \"The weather is bad and the underground and the bus are broken. Hire a taxi or stay at home.\";\n\t\t}\n\t} else { // weather's good\n\t\tif(context.global.travelData.bikeOK === true) {\n\t\t\tmsg.payload = \"There are bikes available and the weather is good, enjoy the ride.\";\n\t\t} else if(context.global.travelData.busOK === true) {\n\t\t\tmsg.payload = \"The weather is good but there are no bikes left, take the bus please.\";\n\t\t} else if(context.global.travelData.piccadillyOK === true) {\n\t\t\tmsg.payload = \"You should use the underground as that's the only available transport method.\";\n\t\t} else {\n\t\t\tmsg.payload = \"You're unlucky today. Take a taxi, walk or stay at home.\";\n\t\t}\n\t}\n\treturn msg;\n}","outputs":1,"x":986,"y":269,"z":"86fba54d.790458","wires":[["f702b857.08fd48"]]},{"id":"667f262.f9980d8","type":"function","name":"Is my bus arriving within 10 mins?","func":"msg.topic = \"bus\";\nmsg.topic.busOK = true;\nvar estimatedBusArrival = msg.payload.EstimatedTime;\n\nif(estimatedBusArrival) {\n\tvar tenMinutesMillis = 600000;\n\tvar currentTimeMillis = new Date().getTime();\n\tvar timeDifference = (estimatedBusArrival.getTime()) - currentTimeMillis; // assuming that the bus arrival is in the future\n\tif(timeDifference <= tenMinutesMillis) {\n\t\tmsg.payload = true;\n\t} else {\n\t\tmsg.payload = false;\n\t}\n} else {\n\t\tmsg.payload = false;\n}\n\nreturn msg;","outputs":1,"x":674,"y":332,"z":"86fba54d.790458","wires":[["66c8d1cd.99373"]]},{"id":"f702b857.08fd48","type":"debug","name":"","active":true,"console":"false","complete":"payload","x":1148,"y":183,"z":"86fba54d.790458","wires":[]},{"id":"383f13d1.c7c0ec","type":"tfl-bus","lat":"51.507268","lon":"-0.16573","radius":"600","stopCode1":"71003","lineID":"94","stopName":"Hyde Park Street towards Lancaster Gate or Notting Hill","lineName":"94 to Acton Green","name":"Bus arrival towards Acton Green","x":448,"y":260,"z":"86fba54d.790458","wires":[["667f262.f9980d8"]]},{"id":"7653e6b2.89ac18","type":"function","name":"Clear context","func":"context.global.travelData = {};\nreturn msg;","outputs":1,"x":206,"y":332,"z":"86fba54d.790458","wires":[["383f13d1.c7c0ec","ecd5e4e2.132a18","5df6386.fa209c8","dfaa2e4a.2055d"]]},{"id":"dfaa2e4a.2055d","type":"cyclehire","name":"Hyde Park Corner bike hire","station":"Hyde Park Corner, Hyde Park","lon":"","lat":"","x":340,"y":603,"z":"86fba54d.790458","wires":[["3490722e.cb6f8e"]]},{"id":"3490722e.cb6f8e","type":"function","name":"Have we got at least 3 bikes available?","func":"msg.topic = \"bike\";\nif(msg.payload.bikes >=3) {\n\tmsg.payload = {};\n\tmsg.payload = true;\n} else {\n\tmsg.payload = {};\n\tmsg.payload = false;\n}\n\nreturn msg;","outputs":1,"x":806,"y":604,"z":"86fba54d.790458","wires":[["66c8d1cd.99373"]]},{"id":"d18ecefa.2e713","type":"function","name":"Is the weather Good for cycling?","func":"msg.topic = \"weather\";\nif(msg.payload.weather && (msg.payload.weather === \"Rain\" || msg.payload.weather === \"Snow\" || msg.payload.weather === \"Thunderstorm\" || msg.payload.weather === \"Drizzle\")) {\n\tmsg.payload = false;\n} else {\n\tmsg.payload = true;\n}\nreturn msg;","outputs":1,"x":751,"y":139,"z":"86fba54d.790458","wires":[["66c8d1cd.99373"]]}]