From 1ecc5768e07e49c083510ce3db163f05d6ad9118 Mon Sep 17 00:00:00 2001
From: Sam Wing <git@wingysam.xyz>
Date: Wed, 13 Nov 2019 12:34:32 -0500
Subject: [PATCH] Amazon smile converter

---
 README.md                |  9 +++++++++
 routes/wishlist/index.js | 13 ++++++++-----
 2 files changed, 17 insertions(+), 5 deletions(-)

diff --git a/README.md b/README.md
index f9acc5d..1e89865 100644
--- a/README.md
+++ b/README.md
@@ -15,6 +15,9 @@ To create a simple place for your entire family to use to find gifts that people
 ![Screenshot](screenshots/link-not-required.png)
 ![Screenshot](screenshots/name-from-link.png)
 
+## Amazon Smile
+By default, Christmas Community converts www.amazon.com links to smile.amazon.com. If you do not want this, set the environment variable SMILE to false (if you are using Docker Compose, make sure to put "false" in quotes).
+
 ## Docker
 ```
 docker run --detach --name christmas-community -p 80:80 --restart always wingysam/christmas-community
@@ -30,7 +33,13 @@ services:
     volumes:
       - ./data:/data
     ports:
+      # If you want to go to localhost:8080 to access Christmas Community,
+      # use - 8080:80 instead of
       - 80:80
+    environment:
+      # Amazon Smile, set to 'false' to disable www.amazon.com links
+      # turning into smile.amazon.com
+      SMILE: 'true'
     restart: always
 ```
 
diff --git a/routes/wishlist/index.js b/routes/wishlist/index.js
index 382fb0d..cf075af 100644
--- a/routes/wishlist/index.js
+++ b/routes/wishlist/index.js
@@ -16,8 +16,11 @@ const totals = wishlist => {
 
 const ValidURL = (string) => { // Ty SO
   try {
-    new URL(string);
-    return true;
+    const url = new URL(string)
+    if (process.env.SMILE !== 'false') {
+      if (url.hostname === 'www.amazon.com') url.hostname = 'smile.amazon.com'
+    }
+    if (url) return url;
   } catch (_) {
     return false;  
   }
@@ -52,11 +55,11 @@ module.exports = (db) => {
 
   router.post('/:user', verifyAuth(), async (req, res) => {
     const potentialUrl = req.body.itemUrlOrName.split(' ').pop();
-    const isUrl = ValidURL(potentialUrl);
+    const url = ValidURL(potentialUrl);
     const item = {};
     let productData;
     try {
-      if (isUrl) productData = await getProductName(potentialUrl, config.proxyServer);
+      if (url) productData = await getProductName(url, config.proxyServer);
     } catch (err) {
       req.flash('error', err.toString());
     }
@@ -64,7 +67,7 @@ module.exports = (db) => {
     item.addedBy = req.user._id;
     item.pledgedBy = (req.user._id === req.params.user ? undefined : req.user._id);
     item.note = req.body.note;
-    if (isUrl) item.url = potentialUrl;
+    if (url) item.url = url;
     item.id = uuid();
     const doc = await db.get(req.params.user);
     doc.wishlist.push(item);