Merge pull request #13 from dcodesdev/staging

CLI now checks for latest version

crates/cli/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "rustfinity"
-version = "0.2.7"
+version = "0.2.8"
 edition = "2021"
 license = "MIT"
 description = "Rustfinity.com CLI"
@@ -11,5 +11,6 @@ anyhow = "1.0.82"
 clap = { version = "4.5.4", features = ["derive"] }
 dload = "0.1.3"
 futures = "0.3.30"
-reqwest = "0.12.4"
+reqwest = { version = "0.12.4", features = ["json"] }
+serde_json = "1.0.117"
 tokio = { version = "1.37.0", features = ["full"] }

crates/cli/src/crates_io.rs

@@ -0,0 +1,34 @@
+pub async fn get_latest_version() -> anyhow::Result<String> {
+    let url = "https://crates.io/api/v1/crates/rustfinity";
+
+    let client = reqwest::ClientBuilder::new()
+        .user_agent("rustfinity")
+        .build()?;
+
+    let response = client.get(url).send().await?;
+    let json: serde_json::Value = response.json().await?;
+
+    let latest_version = json["crate"]["newest_version"]
+        .as_str()
+        .ok_or(anyhow::anyhow!("Failed to get latest version"))?;
+
+    Ok(latest_version.to_string())
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[tokio::test]
+    async fn test_get_latest_version() {
+        let version = get_latest_version().await.unwrap();
+        assert!(!version.is_empty());
+
+        // Expect the pattern to be "x.x.x" while x is a number
+        let mut version = version.split('.');
+        assert!(version.next().unwrap().parse::<u32>().is_ok());
+        assert!(version.next().unwrap().parse::<u32>().is_ok());
+        assert!(version.next().unwrap().parse::<u32>().is_ok());
+        assert!(version.next().is_none());
+    }
+}

crates/cli/src/main.rs

@@ -1,12 +1,24 @@
 mod challenge;
 mod cli;
+mod crates_io;
 mod download;
 
 use clap::Parser;
 use cli::{run, Cli};
 
 #[tokio::main]
 async fn main() -> anyhow::Result<()> {
+    let latest_version = crates_io::get_latest_version().await?;
+    let current_version = env!("CARGO_PKG_VERSION");
+
+    if latest_version != current_version {
+        println!(
+            "A new version of rustfinity ({}) is available, please run the following command and try again:\n\n$ cargo install rustfinity",
+            latest_version
+        );
+        return Ok(());
+    }
+
     let cli = Cli::parse();
     run(cli).await
 }