Handle Unwrapping Errors

src/post.rs

@@ -46,16 +46,16 @@ async fn media(data: &serde_json::Value) -> (String, String) {
 	let post_type: &str;
 	let url = if !data["preview"]["reddit_video_preview"]["fallback_url"].is_null() {
 		post_type = "video";
-		format_url(data["preview"]["reddit_video_preview"]["fallback_url"].as_str().unwrap().to_string())
+		format_url(data["preview"]["reddit_video_preview"]["fallback_url"].as_str().unwrap_or_default().to_string())
 	} else if !data["secure_media"]["reddit_video"]["fallback_url"].is_null() {
 		post_type = "video";
-		format_url(data["secure_media"]["reddit_video"]["fallback_url"].as_str().unwrap().to_string())
+		format_url(data["secure_media"]["reddit_video"]["fallback_url"].as_str().unwrap_or_default().to_string())
 	} else if data["post_hint"].as_str().unwrap_or("") == "image" {
 		post_type = "image";
-		format_url(data["preview"]["images"][0]["source"]["url"].as_str().unwrap().to_string())
+		format_url(data["preview"]["images"][0]["source"]["url"].as_str().unwrap_or_default().to_string())
 	} else {
 		post_type = "link";
-		data["url"].as_str().unwrap().to_string()
+		data["url"].as_str().unwrap_or_default().to_string()
 	};
 
 	(post_type.to_string(), url)
@@ -67,9 +67,9 @@ async fn parse_post(json: &serde_json::Value) -> Result<Post, &'static str> {
 	let post: &serde_json::Value = &json["data"]["children"][0];
 
 	// Grab UTC time as unix timestamp
-	let unix_time: i64 = post["data"]["created_utc"].as_f64().unwrap().round() as i64;
+	let unix_time: i64 = post["data"]["created_utc"].as_f64().unwrap_or_default().round() as i64;
 	// Parse post score and upvote ratio
-	let score = post["data"]["score"].as_i64().unwrap();
+	let score = post["data"]["score"].as_i64().unwrap_or_default();
 	let ratio: f64 = post["data"]["upvote_ratio"].as_f64().unwrap_or(1.0) * 100.0;
 
 	// Determine the type of media along with the media URL

src/proxy.rs

@@ -21,7 +21,7 @@ pub async fn handler(web::Path(b64): web::Path<String>) -> Result<HttpResponse>
 
 	match decode(b64) {
 		Ok(bytes) => {
-			let media = String::from_utf8(bytes).unwrap();
+			let media = String::from_utf8(bytes).unwrap_or_default();
 
 			match Url::parse(media.as_str()) {
 				Ok(url) => {

src/subreddit.rs

@@ -58,7 +58,7 @@ pub async fn wiki(req: HttpRequest) -> HttpResponse {
 		Ok(res) => {
 			let s = WikiTemplate {
 				sub: sub.to_string(),
-				wiki: rewrite_url(res["data"]["content_html"].as_str().unwrap()),
+				wiki: rewrite_url(res["data"]["content_html"].as_str().unwrap_or_default()),
 				page: page.to_string(),
 			}
 			.render()

src/user.rs

@@ -62,14 +62,14 @@ async fn user(name: &str) -> Result<User, &'static str> {
 	}
 
 	// Grab creation date as unix timestamp
-	let created: i64 = res["data"]["created"].as_f64().unwrap().round() as i64;
+	let created: i64 = res["data"]["created"].as_f64().unwrap_or(0.0).round() as i64;
 
 	// Parse the JSON output into a User struct
 	Ok(User {
 		name: name.to_string(),
 		title: nested_val(&res, "subreddit", "title"),
 		icon: format_url(nested_val(&res, "subreddit", "icon_img")),
-		karma: res["data"]["total_karma"].as_i64().unwrap(),
+		karma: res["data"]["total_karma"].as_i64().unwrap_or(0),
 		created: Utc.timestamp(created, 0).format("%b %e, %Y").to_string(),
 		banner: nested_val(&res, "subreddit", "banner_img"),
 		description: nested_val(&res, "subreddit", "public_description"),

src/utils.rs

@@ -266,7 +266,8 @@ pub async fn request(path: &str) -> Result<serde_json::Value, &'static str> {
 	// let body = res.body_string().await.unwrap();
 
 	// --- reqwest ---
-	let res = reqwest::get(&url).await.unwrap();
+	match reqwest::get(&url).await {
+		Ok(res) => {
 			// Read the status from the response
 			match res.status().is_success() {
 				true => {
@@ -286,4 +287,11 @@ pub async fn request(path: &str) -> Result<serde_json::Value, &'static str> {
 					Err("Page not found")
 				}
 			}
+		},
+		Err(e) => {
+			#[cfg(debug_assertions)]
+			dbg!(format!("{} - {}", url, e));
+			Err("Couldn't send request to Reddit")
+		}
+	}
 }