From 8c54214848dac3176cc406ef10ffac1e05d0ed0e Mon Sep 17 00:00:00 2001
From: Sebastiano Barezzi <barezzisebastiano@gmail.com>
Date: Sun, 26 Jun 2022 19:02:32 +0200
Subject: fix(utils): Handle programming languages with spaces

Change-Id: Ic0edc6bd6c94e0368dcf6910c8cbb56866127402
---
 Cargo.toml   |  1 +
 src/utils.rs | 12 +++++++-----
 2 files changed, 8 insertions(+), 5 deletions(-)

diff --git a/Cargo.toml b/Cargo.toml
index 0cf1dd4..7da9617 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -34,6 +34,7 @@ serde_json = "1.0.79"
 getrandom = { version = "0.2.6", features = ["js"] }
 rand = "0.8.5"
 dotenv = "0.15.0"
+urlparse = "0.7.3"
 
 # Worker
 worker = "0.0.9"
diff --git a/src/utils.rs b/src/utils.rs
index c42c15c..242cd77 100644
--- a/src/utils.rs
+++ b/src/utils.rs
@@ -20,6 +20,9 @@ use std::{lazy::SyncLazy, sync::Mutex};
 
 use worker::Cors;
 
+use urlparse::quote;
+use urlparse::unquote;
+
 use crate::{
   constants,
   structures::{GitHubAPIResponse, Type},
@@ -130,8 +133,8 @@ pub async fn filter_images_by_language(
 ) -> Vec<String> {
   let mut images = vec![];
 
-  // URL (percent) encoding of pound symbol to pound symbol
-  let language = language.replace("%23", "#");
+  // URL (percent) decoding
+  let language = unquote(language).ok().unwrap();
 
   for item in github_api(repository.clone()).await.unwrap().tree {
     if item.path.split('/').collect::<Vec<&str>>()[0] == language
@@ -144,9 +147,8 @@ pub async fn filter_images_by_language(
         } else {
           &*boys::GITHUB_USER_CONTENT
         },
-        // Pound symbols to URL (percent) encoding of pound symbol because we
-        // are pushing a URL, not a string
-        item.path.replace('#', "%23")
+        // URL (percent) encoding because we are pushing a URL, not a string
+        quote(item.path, b"").ok().unwrap()
       ));
     }
   }
-- 
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