FxLifeSheet/web.ts

// Third party dependencies
var http = require("http");
const moment = require("moment");

// Internal dependencies
let google_sheets = require("./classes/google_sheets.js");

// State
var lastMoodData = null; // used for the moods API
let currentMood = null;
let rawDataSheetRef = null;

google_sheets.setupGoogleSheets(initMoodAPI);

function initMoodAPI(rawDataSheet, lastRunSheet) {
  rawDataSheetRef = rawDataSheet;
  console.log("Launching up API web server...");

  // Periodically refresh the value
  setInterval(loadCurrentMood, 5 * 60 * 1000);
  loadCurrentMood();

  http
    .createServer(function(req, res) {
      res.writeHead(200, { "Content-Type": "application/json" });
      res.write(JSON.stringify(lastMoodData));
      return res.end();
    })
    .listen(process.env.PORT);
}

function loadCurrentMood() {
  console.log("Refreshing latest moood entry...");
  currentMood = rawDataSheetRef.getRows(
    {
      offset: 0,
      limit: 1,
      orderby: "timestamp",
      reverse: true,
      query: "key=mood"
    },
    function(error, rows) {
      if (error) {
        console.error(error);
      }
      let lastMoodRow = rows[0];
      // `lastMoodRow` is null if we haven't tracked a mood yet
      if (lastMoodRow != null) {
        lastMoodData = {
          time: moment(Number(lastMoodRow.timestamp)).format(),
          value: Number(lastMoodRow.value)
        };
      }
    }
  );
}

export {};