117 lines
2.4 KiB
JavaScript
117 lines
2.4 KiB
JavaScript
var express = require('express'), fs = require('fs'), sqlite3 = require('sqlite3').verbose();
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var router = express.Router();
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var weight_db;
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var file = process.env.DB_HOME + '/' + "weight.db";
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/* GET users listing. */
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function createWeightDB() {
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console.log('Creating Weight db...');
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console.log(file);
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if (!fs.existsSync(file)) {
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console.log('creating db file');
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fs.openSync(file,'w');
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weight_db = new sqlite3.Database(file, createWeightTable);
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weight_db.close();
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}
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}
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function connectWeightDB() {
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"use strict";
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console.log('Connect db.');
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weight_db = new sqlite3.Database(file);
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}
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function createWeightTable() {
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console.log('Creating weight table...');
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weight_db.run('CREATE TABLE IF NOT EXISTS weight (date text, reading real);');
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}
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function closeWeightDB() {
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"use strict";
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console.log('Closing db.');
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weight_db.close();
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}
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function insertWeightReading(time, reading) {
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console.log('Inserting reading:' + reading);
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// var sql = db.prepare('INSERT into temperature(date, reading) VALUES
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// (?,?)',[time],[reading]);
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weight_db.run('BEGIN TRANSACTION');
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weight_db.run('INSERT into weight(date, reading) VALUES (?,?)',[time, reading]);
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weight_db.run('END');
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}
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router.get('/', function(req, res, next) {
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var now = new Date();
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var t = req.query;
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if (req.query != {} && req.query.weight != null)
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{
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// createDB();
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console.log(req.query);
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connectWeightDB();
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insertWeightReading(now.toJSON(),parseFloat(req.query.weight) );
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closeWeightDB();
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res.writeHead(200, {"ContentType": "application/json"});
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//res.send(JSON.stringify(t));
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res.end(JSON.stringify(t));
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} else
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{
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res.render('weight', { });
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}
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});
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router.get('/all', function(req, res, next) {
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"use strict";
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console.log('Selecint all..');
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connectWeightDB();
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weight_db.all('SELECT * from weight', function(err, rows) {
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var out = [];
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console.log(err);
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console.log(rows);
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rows.forEach(function (row) {
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console.log(row.date + ', ' + row.reading);
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// var t = ;
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// out.push({"date": Date(row.date), "reading":row.reading});
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out.push({"date": row.date, "reading":row.reading});
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});
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res.writeHead(200, {"ContentType": "application/json"});
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//res.send(JSON.stringify(t));
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res.end(JSON.stringify(out));
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closeWeightDB();
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});
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});
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module.exports = router;
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createWeightDB();
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