Merge pull request #51 from jpchip/catch-navigation-errors

Catch navigation errors

src/giveaways.js

@@ -163,9 +163,10 @@ async function navigateToGiveaway(page, giveawayNumber) {
 }
 
 /**
- * Checks for the result of the giveaway entry and log appropriately
+ * Checks for the result of the giveaway entry and log appropriately.
+ * Returns true if result found, false if not.
  * @param {Puppeteer.Page} page
- * @returns {Promise<void>}
+ * @returns {Promise<boolean>}
  */
 async function handleGiveawayResult(page) {
 	try {
@@ -201,29 +202,41 @@ async function handleGiveawayResult(page) {
 				await sgMail.send(msg);
 			}
 		}
+		return true;
 	} catch (error) {
 		console.log('could not get result, oh well. Moving on!');
+		return false;
 	}
 }
 
 /**
- * Attempts to enter a no entry requirement type giveaway
+ * Attempts to enter a no entry requirement type giveaway.
+ * Will try again if it fails once.
  * @param {Puppeteer.Page} page
+ * @param {boolean} [repeatAttempt]
  * @returns {Promise<void>}
  */
-async function enterNoEntryRequirementGiveaway(page) {
+async function enterNoEntryRequirementGiveaway(page, repeatAttempt) {
 	console.log('waiting for box...');
 	await checkForSwitchAccount(page);
 	await checkForPassword(page);
 	await checkForCaptcha(page);
 	try {
+		await page.waitForSelector('.tapToSeeText', { visible: true });
+		await page.waitFor(
+			() => document.querySelector('.tapToSeeText').style.opacity === '1'
+		);
 		await page.waitForSelector('#box_click_target');
 		await page.click('#box_click_target', { delay: 2000 });
 	} catch (error) {
 		console.log('could not find box?');
 	}
 
-	await handleGiveawayResult(page);
+	const resultFound = await handleGiveawayResult(page);
+	if (!resultFound && !repeatAttempt) {
+		console.log('lets try that again.');
+		await enterNoEntryRequirementGiveaway(page, true);
+	}
 }
 
 /**
@@ -270,6 +283,7 @@ async function enterVideoGiveaway(page) {
 async function enterGiveaways(page, pageNumber) {
 	//loop through each giveaway item
 	console.log('Page ' + pageNumber + ' Start:');
+	let giveawayExists = true;
 	const giveawayKeys = new Array(24);
 	await asyncForEach(giveawayKeys, async (val, index) => {
 		let i = index + 1;
@@ -280,6 +294,15 @@ async function enterGiveaways(page, pageNumber) {
 			);
 		} catch (error) {
 			console.log('giveaway ' + i + ' did not exist?');
+			giveawayExists = false;
+		}
+
+		if (!giveawayExists) {
+			// it's weird that it couldn't find a giveaway, let's make sure we
+			// aren't on some other page...
+			await checkForSwitchAccount(page);
+			await checkForPassword(page);
+			await checkForCaptcha(page);
 			return;
 		}
 
@@ -299,7 +322,12 @@ async function enterGiveaways(page, pageNumber) {
 		);
 
 		if (noEntryRequired.length > 0 || videoRequired.length > 0) {
-			await navigateToGiveaway(page, i);
+			try {
+				await navigateToGiveaway(page, i);
+			} catch (error) {
+				console.log('could not navigate to giveaway ' + i + '. Next!');
+				return;
+			}
 
 			//check if ended
 			let ended = await hasGiveawayEnded(page);
@@ -328,6 +356,7 @@ async function enterGiveaways(page, pageNumber) {
 
 			//go back
 			await page.goBack();
+			await checkForSwitchAccount(page);
 			await checkForPassword(page, pageNumber);
 		} else {
 			console.log('giveaway ' + i + ' cannot be entered.');