Merge pull request #4 from jpchip/paginate

add pagination

.env.example

@@ -1,2 +1,3 @@
-AMAZON_USERNAME=[email protected]
-AMAZON_PASSWORD=123456
+AMAZON_USERNAME=[email protected]
+AMAZON_PASSWORD=123456
+HEADLESS=1

CHANGELOG.md

@@ -1,11 +1,17 @@
-# Changelog
-All notable changes to this project will be documented in this file.
-
-The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
-and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
-
-## 0.0.1 - 2018-12-03
-### Added
-- This CHANGELOG file
-- Basic working script
-- README file
+# Changelog
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## 0.1.0 - 2018-12-04
+### Added
+- add page iteration
+- tells you if you didn't win
+- ability to run headless or not
+
+## 0.0.1 - 2018-12-03
+### Added
+- This CHANGELOG file
+- Basic working script
+- README file

README.md

@@ -2,7 +2,7 @@
 
 This script will loop through all your Amazon giveaways and try to submit entries for them. 
 
-**WIP** - "no entry requirement" giveaways are implemented for first page. Need to include page iteration next.
+**WIP** - Only "no entry requirement" giveaways are implemented.
 
 Wanted a reason to experiment with puppeteer, so here goes.
 
@@ -11,8 +11,10 @@ Wanted a reason to experiment with puppeteer, so here goes.
 Copy .env.example to .env, adding your own Amazon username and password.
 
 ```javascript
-$ NPM install
-$ NPM start
+$ npm install
+$ npm start
 ```
 
 Check the console to see how things are going.
+
+To run in browser, change `HEADLESS=0` in .env file to `HEADLESS=1`.

index.js

@@ -1,47 +1,25 @@
+#! /usr/bin/env node
+
 /*global process, console */
 require('dotenv').config();
 const puppeteer = require('puppeteer');
 
-
 async function asyncForEach(array, callback) {
 	for (let index = 0; index < array.length; index++) {
 		await callback(array[index], index, array);
 	}
 }
 
 async function navigateBackToGiveaways(page) {
-	const navigationPromise = page.waitForNavigation();
-	await page.waitForSelector('#giveaway-default-return-link-button');
-	await page.click('#giveaway-default-return-link-button');
-	return await navigationPromise;
+	//const navigationPromise = page.waitForNavigation();
+	//await page.waitForSelector('#giveaway-default-return-link-button');
+	//await page.click('#giveaway-default-return-link-button');
+	return await page.goBack();
 }
 
-(async () => {
-	const browser = await puppeteer.launch({headless: false});
-	const page = await browser.newPage();
-
-	//sign in
-	await page.goto('https://www.amazon.com/ap/signin?_encoding=UTF8&ignoreAuthState=1&openid.assoc_handle=usflex&openid.claimed_id=http%3A%2F%2Fspecs.openid.net%2Fauth%2F2.0%2Fidentifier_select&openid.identity=http%3A%2F%2Fspecs.openid.net%2Fauth%2F2.0%2Fidentifier_select&openid.mode=checkid_setup&openid.ns=http%3A%2F%2Fspecs.openid.net%2Fauth%2F2.0&openid.ns.pape=http%3A%2F%2Fspecs.openid.net%2Fextensions%2Fpape%2F1.0&openid.pape.max_auth_age=0&openid.return_to=https%3A%2F%2Fwww.amazon.com%2Fgp%2Fgiveaway%2Fhome%2Fref%3Dnav_custrec_signin&switch_account=');
-	const username = process.env.AMAZON_USERNAME;
-	const password = process.env.AMAZON_PASSWORD;
-
-	await page.waitForSelector('#ap_email');
-	await page.click('#ap_email');
-	await page.type('#ap_email', username);
-
-	await page.waitForSelector('#ap_password');
-	await page.click('#ap_password');
-	await page.type('#ap_password', password);
-
-	const signInPromise = page.waitForNavigation();
-	await page.waitForSelector('#signInSubmit');
-	await page.click('#signInSubmit');
-	await signInPromise;
-
-	//go to giveaways
-	await page.goto('https://www.amazon.com/ga/giveaways');
-
+async function enterGiveaways(page, pageNumber) {
 	//loop through each giveaway item
+	console.log('Page ' + pageNumber + ' Start:');
 	const giveawayKeys = new Array(24);
 	await asyncForEach(giveawayKeys, async (val, index) => {
 		let i = index + 1;
@@ -75,16 +53,68 @@ async function navigateBackToGiveaways(page) {
 			}
 
 			//try to win!
+			console.log('waiting for box...');
 			await page.waitForSelector('#box_click_target');
-			await page.click('#box_click_target');
+			await page.click('#box_click_target', {delay: 2000});
+			const resultTextEl = await page.waitForSelector('.qa-giveaway-result-text');
+			const resultText = await page.evaluate(resultTextEl => resultTextEl.textContent, resultTextEl);
+			console.log(resultText);
 
 			await navigateBackToGiveaways(page);
 		} else {
 			console.log('giveaway ' + i + ' requires entry.');
 		}
 	});
 
-	//TODO: go to next page...
+	//go to next page, if we can
+	try {
+		await page.waitForSelector('.a-section > #giveawayListingPagination > .a-pagination > .a-last > a');
+	} catch(e) {
+		console.log('No more pages! Goodbye!');
+		return;
+	}
+
+	const navigationPromise = page.waitForNavigation();
+	await page.click('.a-section > #giveawayListingPagination > .a-pagination > .a-last > a');
+	await navigationPromise;
+
+	console.log('Next Page!');
+	await enterGiveaways(page, pageNumber + 1);
+}
+
+async function signIn(page, username, password) {
+	await page.goto('https://www.amazon.com/ap/signin?_encoding=UTF8&ignoreAuthState=1&openid.assoc_handle=usflex&openid.claimed_id=http%3A%2F%2Fspecs.openid.net%2Fauth%2F2.0%2Fidentifier_select&openid.identity=http%3A%2F%2Fspecs.openid.net%2Fauth%2F2.0%2Fidentifier_select&openid.mode=checkid_setup&openid.ns=http%3A%2F%2Fspecs.openid.net%2Fauth%2F2.0&openid.ns.pape=http%3A%2F%2Fspecs.openid.net%2Fextensions%2Fpape%2F1.0&openid.pape.max_auth_age=0&openid.return_to=https%3A%2F%2Fwww.amazon.com%2Fgp%2Fgiveaway%2Fhome%2Fref%3Dnav_custrec_signin&switch_account=');
+
+	await page.waitForSelector('#ap_email');
+	await page.click('#ap_email');
+	await page.type('#ap_email', username);
+
+	await page.waitForSelector('#ap_password');
+	await page.click('#ap_password');
+	await page.type('#ap_password', password);
+
+	const signInPromise = page.waitForNavigation();
+	await page.waitForSelector('#signInSubmit');
+	await page.click('#signInSubmit');
+	await signInPromise;
+}
+
+//start index code
+(async () => {
+	const headless = (process.env.HEADLESS === 1);
+	const browser = await puppeteer.launch({headless: headless});
+	const page = await browser.newPage();
+
+	//sign in
+	const username = process.env.AMAZON_USERNAME;
+	const password = process.env.AMAZON_PASSWORD;
+	await signIn(page, username, password);
+
+	//go to giveaways
+	await page.goto('https://www.amazon.com/ga/giveaways?pageId=50');
+
+	//enter giveaways
+	await enterGiveaways(page, 1);
 
 	await browser.close();
 })();

package.json

@@ -1,6 +1,6 @@
 {
   "name": "giveaway-grabber",
-  "version": "0.0.1",
+  "version": "0.1.0",
   "description": "Automates entries for Amazon Giveaways",
   "main": "index.js",
   "scripts": {