feat: initial impl

Cargo.toml

@@ -0,0 +1,9 @@
+[package]
+name = "mood-cgi"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+rand = "0.8.5"

src/main.rs

@@ -0,0 +1,11 @@
+use rand::seq::IteratorRandom;
+
+fn main() {
+	let file = std::env::var("MOOD_FILE").unwrap_or("/srv/http/api/mood.txt".to_string());
+	let content = std::fs::read_to_string(file).unwrap();
+	let choice = content.lines().choose(&mut rand::thread_rng()).unwrap();
+
+	println!("Content-type: application/json");
+	println!();
+	println!("{{\"mood\":\"{}\"}}", choice);
+}