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google.js
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google.js
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const { async, notify, tools } = global;
const DEBUG = false;
const doc = {};
let job;
let busy = false;
const G_WAIT = 500;
// ==============================================
async function onTrigger(obj, action) {
// async function onTrigger(obj, action, trigger) {
if (action.act === 'google.close') googleClose(obj, action);
if (action.act === 'google.write') actionGoogleWrite(obj, action);
return obj;
}
// ==============================================
function init() {
// every 30 seconds - clear google's busy status. just in case
if (job) clearInterval(job);
job = setInterval(() => {
busy = false;
}, 30 * 1000);
}
// ==============================================
function cancel() {
if (job) clearInterval(job);
if (DEBUG) console.debug('[+] cancel google schedules');
}
// ==============================================
async function googleOpen(docpath) {
if (!docpath) return null;
if (doc[docpath]) return true;
const { GoogleSpreadsheet } = global.googlespreadsheet;
/* eslint global-require: "off" */
const creds = require(global.config.google_key);
let docid;
try {
docid = new GoogleSpreadsheet(docpath);
await docid.useServiceAccountAuth(creds);
console.debug(`[+] google: authorized for ${docpath}`);
await docid.loadInfo();
console.debug(`[+] google: opened '${docid.title}'`);
}
catch (e) {
console.error(`[-] google error: ${e.message}`);
notify(`#error #${global.config.project} google: ${e.message}`);
throw new Error(`google error: ${e.message}`);
// return false;
}
doc[docpath] = docid;
return docid;
}
// ==============================================
async function googleRead(docpath, sheet, cb) {
if (DEBUG) console.debug(`[+] googleRead, docpath: ${docpath}, sheet: ${sheet}`);
let contents;
try {
await googleOpen(docpath);
contents = await doc[docpath].sheetsByTitle[sheet].getRows();
}
catch (e) {
console.error(`[-] google: sheet '${sheet}' read error: ${e.message}`);
if (DEBUG) console.log(e);
notify(`#${global.config.project} google sheet '${sheet}' read error ${sheet}: ${e.message}`);
if (cb) cb(e);
return [];
}
console.debug(`[+] google: read ${sheet}`);
if (cb) cb(null, contents);
return contents;
}
// ==============================================
async function googleReadArray(array, callback) {
if (DEBUG) console.debug(`[+] googleReadArray, array: ${tools.textify(array)}`);
await googleOpen(global.config.docpath);
// we use async because we read sheets simultaneously
// TODO: promise.all
const data = {};
async.each(array, (sheet, cb) => {
googleRead(global.config.docpath, sheet, (err, res) => {
if (err) { cb(err); return; }
data[sheet] = res;
cb();
});
}, (err) => {
if (err) return callback(err);
callback(null, data);
});
}
// ==============================================
async function googleWrite(docpath, sheet, row) {
if (DEBUG) console.debug(`[+] googleWrite, sheet ${sheet}`);
if (!docpath) return null;
// wait queue
if (busy) {
if (DEBUG) console.debug('[·] google is busy, waiting...');
setTimeout(() => {
// wait and run
googleWrite(docpath, sheet, row);
}, G_WAIT);
return;
}
if (DEBUG) console.debug('[·] google is free, writing...');
busy = true;
try {
await googleOpen(docpath);
await doc[docpath].sheetsByTitle[sheet].addRow(row);
}
catch (e) {
busy = false;
console.error(`[-] google: write error: ${e.message}`);
console.log(e);
notify(`#error #${global.config.project} google: write error: ${e.message}`);
return;
}
busy = false;
console.debug('[+] google: write OK');
}
// ==============================================
function googleClose() {
console.debug('[+] google: documents are closed');
Object.keys(doc).forEach((key) => {
delete doc[key];
});
}
// ==============================================
async function actionGoogleWrite(obj, item) {
try {
const docpath = item.to;
const row = JSON.parse(item.opt);
const { sheet } = row;
delete row.sheet;
Object.keys(row).forEach((key) => {
row[key] = tools.replace(obj, row[key]);
});
if (DEBUG) console.debug(row);
await googleWrite(docpath, sheet, row);
}
catch (e) {
console.error(`[-] google.write: ${e.message}`);
notify(`#error #${global.config.project} google.write: ${e.message}`);
console.log(e);
}
console.debug('[+] google: write done');
}
module.exports.doc = doc;
module.exports.init = init;
module.exports.cancel = cancel;
module.exports.onTrigger = onTrigger;
module.exports.read = googleRead;
module.exports.readarray = googleReadArray;
module.exports.write = googleWrite;