72 lines
1.9 KiB
JavaScript
72 lines
1.9 KiB
JavaScript
import extend from "extend";
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import moment from "moment";
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import csv from "fast-csv";
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import fs from 'fs';
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import MathUtils from "./../utils/math"
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import DB from './../../config/database';
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export class PowerDataSeed {
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static saveCsv(opts, done){
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opts = extend({
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path: __dirname + "/../../data/example/power_data.csv"
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}, opts || {});
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var stream = fs.createReadStream(opts.path),
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csvStream = csv.fromStream(stream, {headers: ['house_id', 'time', 'power']}),
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rows = [];
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csvStream.on("data", function(data){
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rows.push(rows);
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});
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csvStream.on("end", function(){
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DB.PowerDatum.bulkCreate(rows, {validate: true}).then(done);
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});
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}
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static generateCsv(opts, done){
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opts = extend({
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start_date: moment.subtract(1, "months").unix(),
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end_date: moment().unix(),
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interval: 15 * 60, // every 15 minutes (in s)
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average: 1400, // Wh
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path: __dirname + "/../../data/example/power_data.csv"
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}, opts || {});
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var row_date = opts.start_date,
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csvStream = csv.format({headers: true}),
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writableStream = fs.createWriteStream(opts.path);
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csvStream.pipe(writableStream);
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writableStream.on("finish", done);
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while (row_date <= end_date){
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csvStream.write(house_ids.map((house_id)=>{
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return [house_id, row_date, MathUtils.normal(opts.average)]
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}));
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row_date += opts.interval;
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}
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csvStream.end();
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}
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}
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export class HouseSeed {
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static saveCsv(opts, done){
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opts = extend({
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path: __dirname + "/../../data/example/houses.csv"
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}, opts || {});
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var stream = fs.createReadStream(opts.path),
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csvStream = csv.fromStream(stream, {headers: ['id', 'name']}),
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rows = [];
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csvStream.on("data", function(data){
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console.log(JSON.stringify(data))
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rows.push(data);
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});
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csvStream.on("end", function(){
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console.log(rows);
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DB.House.bulkCreate(rows, {validate: true}).then(done);
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});
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}
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}
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