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latestoasaflow.json
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latestoasaflow.json
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[
{
"id": "3bcdaec0cecda0ca",
"type": "tab",
"label": "oasa-basic-flow",
"disabled": false,
"info": "",
"env": []
},
{
"id": "983ed9fbabbb993d",
"type": "inject",
"z": "3bcdaec0cecda0ca",
"name": "3-month-injection",
"props": [
{
"p": "payload"
}
],
"repeat": "86400",
"crontab": "",
"once": false,
"onceDelay": 0.1,
"topic": "",
"payload": "",
"payloadType": "date",
"x": 210,
"y": 440,
"wires": [
[
"c42892a879c3bbb8"
]
]
},
{
"id": "affe731dedf19d89",
"type": "http request",
"z": "3bcdaec0cecda0ca",
"name": "Get data for last 3 months",
"method": "GET",
"ret": "obj",
"paytoqs": "ignore",
"url": "https://data.gov.gr/api/v1/query/oasa_ridership?date_from={{{date_from}}}&date_to={{{date_to}}}",
"tls": "",
"persist": false,
"proxy": "",
"insecureHTTPParser": false,
"authType": "",
"senderr": false,
"headers": [
{
"keyType": "Authorization",
"keyValue": "",
"valueType": "other",
"valueValue": "Token 877396539fb01c71b5e67b591aab469f28adf5ab"
}
],
"x": 810,
"y": 520,
"wires": [
[
"6c1aed11b7ca6a0f"
]
]
},
{
"id": "606d64627193a2cd",
"type": "function",
"z": "3bcdaec0cecda0ca",
"name": "INSERT INTO clusters (batch)",
"func": "var query = \"INSERT INTO clusters(station, day, highcentroid, middlecentroid, lowcentroid) VALUES \"\nfor (var object of msg.oasa_info) {\n for (var object2 of object.days) {\n var max = object2.clusters[0].centroid[0];\n var mid = object2.clusters[1].centroid[0];\n var min = object2.clusters[2].centroid[0];\n\n var middle;\n var low = Math.min(min, max, mid);\n var high = Math.max(min, max, mid);\n\n if (max !== low && max !== high) {\n middle = max;\n } else if (mid !== low && mid !== high) {\n middle = mid;\n } else {\n middle = min;\n }\n \n high = high.toFixed(2);\n low = low.toFixed(2);\n middle = middle.toFixed(2);\n query += `(\"${object.station}\", \"${object2.day}\", \"${high}\", \"${middle}\", \"${low}\"),`\n }\n}\nmsg = {}\nmsg.topic = query.slice(0, -1)\n\nreturn msg;",
"outputs": 1,
"noerr": 0,
"initialize": "",
"finalize": "",
"libs": [],
"x": 1510,
"y": 520,
"wires": [
[
"871f57c1f38d3b09"
]
]
},
{
"id": "6c1aed11b7ca6a0f",
"type": "function",
"z": "3bcdaec0cecda0ca",
"name": "Filter Data",
"func": "var station_list = [\"ΟΜOΝΟΙΑ\", \"ΣΥΝTΑΓΜΑ\", \"ΜΟΝΑΣTΗΡΑKΙ\", \"ΣTΑΘΜOΣ ΛΑΡΙΣΗΣ\", \"ΑTTΙKΗ\", \"ΑΕΡΟΔΡΟΜΙΟ\"];\nvar days = [\"Sunday\", \"Monday\", \"Tuesday\", \"Wednesday\", \"Thursday\", \"Friday\", \"Saturday\"];\nglobal.set(\"date_from\", msg.date_from);\nglobal.set(\"date_to\", msg.date_to);\nvar data = msg.payload;\nvar oasa_info = new Array();\nvar stations = [];\n\nfor (var object of data) {\n if (station_list.includes(object.dv_platenum_station)) {\n var day = days[new Date(object.date_hour.substring(0, 10)).getDay()];\n var station_idx = stations.findIndex(x => x.station === object.dv_platenum_station);\n\n if (station_idx === -1) {\n stations.push({\n \"station\": object.dv_platenum_station,\n \"days\": [{\n \"day\": day,\n \"hours\": [{\n \"hour\": object.date_hour.substring(11, 19),\n \"validations\": object.dv_validations\n }]\n }]\n })\n } else {\n var day_idx = stations[station_idx].days.findIndex(x => x.day === day);\n\n if (day_idx === -1) {\n stations[station_idx].days.push({\n \"day\": day, \n \"hours\": [{\n \"hour\": object.date_hour.substring(11, 19),\n \"validations\": object.dv_validations\n }]\n })\n } else {\n var hour_idx = stations[station_idx].days[day_idx].hours.findIndex(x => x.hour === object.date_hour.substring(11, 19));\n\n if (hour_idx === -1) {\n stations[station_idx].days[day_idx].hours.push({\n \"hour\": object.date_hour.substring(11, 19),\n \"validations\": object.dv_validations\n })\n }\n }\n }\n }\n}\n\nmsg.oasa_info = stations;\n\nreturn msg;",
"outputs": 1,
"noerr": 0,
"initialize": "",
"finalize": "",
"libs": [],
"x": 1030,
"y": 520,
"wires": [
[
"b064b916562522a2"
]
]
},
{
"id": "b064b916562522a2",
"type": "function",
"z": "3bcdaec0cecda0ca",
"name": "K-Means (3 clusters)",
"func": "var clusterMaker = context.global.clusters;\n\nclusterMaker.k(3);\nclusterMaker.iterations(750);\n\nlet clusters = [];\n\nfor (var object of msg.oasa_info) {\n for (var object2 of object.days) {\n var validation_list = [];\n for (var hour of object2.hours) {\n validation_list.push([hour.validations]);\n }\n clusterMaker.data(validation_list);\n object2.clusters = clusterMaker.clusters();\n object2.clusters.sort(function (a, b) { return parseFloat(a.centroid) - parseFloat(b.centroid); });\n }\n}\n\nreturn msg;",
"outputs": 1,
"noerr": 0,
"initialize": "",
"finalize": "",
"libs": [],
"x": 1240,
"y": 520,
"wires": [
[
"606d64627193a2cd"
]
]
},
{
"id": "d248ccd448524a87",
"type": "comment",
"z": "3bcdaec0cecda0ca",
"name": "Last 3 months",
"info": "",
"x": 170,
"y": 400,
"wires": []
},
{
"id": "e15108a1c121d302",
"type": "function",
"z": "3bcdaec0cecda0ca",
"name": "DROP TABLE clusters",
"func": "msg.topic = 'DROP TABLE IF EXISTS clusters';\nreturn msg;",
"outputs": 1,
"noerr": 0,
"initialize": "",
"finalize": "",
"libs": [],
"x": 740,
"y": 440,
"wires": [
[
"27c42332bab7c0e4"
]
]
},
{
"id": "55ad1b8e9bb528d0",
"type": "function",
"z": "3bcdaec0cecda0ca",
"name": "CREATE TABLE clusters",
"func": "msg.topic = 'CREATE TABLE clusters (clusterid INTEGER PRIMARY KEY AUTOINCREMENT, station TEXT, day TEXT, highcentroid TEXT, middlecentroid TEXT, lowcentroid TEXT)';\nreturn msg;",
"outputs": 1,
"noerr": 0,
"initialize": "",
"finalize": "",
"libs": [],
"x": 810,
"y": 480,
"wires": [
[
"909dc22c5e776c7b"
]
]
},
{
"id": "f840ac50cc7d50e4",
"type": "function",
"z": "3bcdaec0cecda0ca",
"name": "SELECT *",
"func": "msg.topic = 'SELECT * FROM clusters';\nreturn msg;",
"outputs": 1,
"noerr": 0,
"initialize": "",
"finalize": "",
"libs": [],
"x": 340,
"y": 640,
"wires": [
[
"a68fde9050179782"
]
]
},
{
"id": "9ff5aebb1737096e",
"type": "inject",
"z": "3bcdaec0cecda0ca",
"name": "",
"props": [
{
"p": "payload"
},
{
"p": "topic",
"vt": "str"
}
],
"repeat": "",
"crontab": "",
"once": false,
"onceDelay": 0.1,
"topic": "",
"payload": "",
"payloadType": "date",
"x": 180,
"y": 640,
"wires": [
[
"f840ac50cc7d50e4"
]
]
},
{
"id": "6760476d5c2a308f",
"type": "comment",
"z": "3bcdaec0cecda0ca",
"name": "SELECT Data to AMQ out",
"info": "",
"x": 210,
"y": 600,
"wires": []
},
{
"id": "c2e29273b8b46607",
"type": "function",
"z": "3bcdaec0cecda0ca",
"name": "Create highcentroid chart payload",
"func": "var dataset = global.get(\"clusterdb\");\n\nvar labels = [];\n\nif (msg.payload.length == 0) {\n for (var object of dataset) {\n if (!labels.includes(object.station)) {\n labels.push(object.station);\n }\n }\n} else {\n for (var i = 0; i < msg.payload.length; i++) {\n labels.push(msg.payload[i]);\n }\n}\n\n\nvar data = new Array();\nvar data2 = new Array();\nvar data3 = new Array();\n\nfor (var i = 0; i < labels.length; i++) {\n data.push(new Array(7).fill(0));\n data2.push(new Array(7).fill(0));\n data3.push(new Array(7).fill(0));\n}\n\nvar days = [\"Sunday\", \"Monday\", \"Tuesday\", \"Wednesday\", \"Thursday\", \"Friday\", \"Saturday\"];\n\nfor (var stationName of labels) {\n for (var aday of days) {\n for (var z = 0; z < dataset.length; z++) {\n if (dataset[z].day == aday && dataset[z].station == stationName) {\n data[labels.indexOf(stationName)][days.indexOf(aday)] = ({ \"x\": days.indexOf(dataset[z].day), \"y\": dataset[z].highcentroid });\n data2[labels.indexOf(stationName)][days.indexOf(aday)] = ({ \"x\": days.indexOf(dataset[z].day), \"y\": dataset[z].lowcentroid });\n data3[labels.indexOf(stationName)][days.indexOf(aday)] = ({ \"x\": days.indexOf(dataset[z].day), \"y\": dataset[z].middlecentroid });\n }\n }\n }\n}\n\nglobal.set(\"LowData\", data2);\nglobal.set(\"MiddleData\", data3);\n\nmsg.payload = [{\n \"series\": labels,\n \"data\": data,\n \"labels\": labels\n}]\n\nglobal.set(\"highCentroidChart\", msg.payload);\n\n\nreturn msg;",
"outputs": 1,
"noerr": 0,
"initialize": "",
"finalize": "",
"libs": [],
"x": 910,
"y": 660,
"wires": [
[
"7bc9a8563c82bd8c"
]
]
},
{
"id": "16b589698bc709b0",
"type": "function",
"z": "3bcdaec0cecda0ca",
"name": "Global data",
"func": "msg.options = [\"ΟΜOΝΟΙΑ\", \"ΣΥΝTΑΓΜΑ\", \"ΜΟΝΑΣTΗΡΑKΙ\", \"ΣTΑΘΜOΣ ΛΑΡΙΣΗΣ\", \"ΑTTΙKΗ\", \"ΑΕΡΟΔΡΟΜΙΟ\"];\nglobal.set(\"clusterdb\", msg.payload);\nmsg.payload = [];\nreturn msg;",
"outputs": 1,
"noerr": 0,
"initialize": "",
"finalize": "",
"libs": [],
"x": 360,
"y": 740,
"wires": [
[
"dad9f2b1e558590d"
]
]
},
{
"id": "404b087f50765817",
"type": "function",
"z": "3bcdaec0cecda0ca",
"name": "Create lowcentroid chart payload",
"func": "var dataset = global.get(\"clusterdb\");\n\nvar labels = [];\n\nif (msg.payload.length == 0) {\n for (var object of dataset) {\n if (!labels.includes(object.station)) {\n labels.push(object.station);\n }\n }\n} else {\n for (var i = 0; i < msg.payload.length; i++) {\n labels.push(msg.payload[i]);\n }\n}\n\n\nvar data = new Array();\nvar data2 = new Array();\nvar data3 = new Array();\n\nfor (var i = 0; i < labels.length; i++) {\n data.push(new Array(7).fill(0));\n data2.push(new Array(7).fill(0));\n data3.push(new Array(7).fill(0));\n}\n\nvar days = [\"Sunday\", \"Monday\", \"Tuesday\", \"Wednesday\", \"Thursday\", \"Friday\", \"Saturday\"];\n\nfor (var stationName of labels) {\n for (var aday of days) {\n for (var z = 0; z < dataset.length; z++) {\n if (dataset[z].day == aday && dataset[z].station == stationName) {\n data[labels.indexOf(stationName)][days.indexOf(aday)] = ({ \"x\": days.indexOf(dataset[z].day), \"y\": dataset[z].highcentroid });\n data2[labels.indexOf(stationName)][days.indexOf(aday)] = ({ \"x\": days.indexOf(dataset[z].day), \"y\": dataset[z].lowcentroid });\n data3[labels.indexOf(stationName)][days.indexOf(aday)] = ({ \"x\": days.indexOf(dataset[z].day), \"y\": dataset[z].middlecentroid });\n }\n }\n }\n}\n\nglobal.set(\"HighData\", data)\nglobal.set(\"MiddleData\", data3);\n\nmsg.payload = [{\n \"series\": labels,\n \"data\": data2,\n \"labels\": labels\n}]\n\nglobal.set(\"lowCentroidChart\", msg.payload);\n\n\nreturn msg;",
"outputs": 1,
"noerr": 0,
"initialize": "",
"finalize": "",
"libs": [],
"x": 910,
"y": 820,
"wires": [
[
"e4c689ee8ffac9b7"
]
]
},
{
"id": "d07ed287efcb65a9",
"type": "function",
"z": "3bcdaec0cecda0ca",
"name": "empty payload",
"func": "msg.payload = [];\nreturn msg;",
"outputs": 1,
"noerr": 0,
"initialize": "",
"finalize": "",
"libs": [],
"x": 1230,
"y": 700,
"wires": [
[
"7bc9a8563c82bd8c",
"f05a14c5c832083d",
"e4c689ee8ffac9b7"
]
]
},
{
"id": "87af5dfc2ca1ceea",
"type": "function",
"z": "3bcdaec0cecda0ca",
"name": "Filter Data",
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