get meta

src/download.rs

@@ -0,0 +1,118 @@
+#![allow(dead_code)]
+
+use color_eyre::Result;
+use indexmap::IndexMap;
+use reqwest::blocking::Client;
+use serde::Deserialize;
+use tracing::{error, info};
+
+#[derive(Debug, Deserialize)]
+struct Person {
+    name: String,
+    url: Option<String>,
+    email: Option<String>,
+}
+
+#[derive(Debug, Deserialize)]
+struct Bugs {
+    url: String,
+}
+
+#[derive(Debug, Deserialize)]
+struct Repository {
+    r#type: String,
+    url: String,
+}
+
+#[derive(Debug, Deserialize)]
+struct Dist {
+    shasum: String,
+    tarball: String,
+}
+
+// todo: this is actually just a package.json with extra stuff
+#[derive(Debug, Deserialize)]
+struct VersionMeta {
+    _from: Option<String>,
+    _id: String,
+    #[serde(rename = "_nodeVersion")]
+    _node_version: String,
+    #[serde(rename = "_npmUser")]
+    _npm_user: Person,
+    #[serde(rename = "_npmVersion")]
+    _npm_version: String,
+    _shasum: Option<String>,
+    author: Person,
+    bugs: Bugs,
+    dependencies: IndexMap<String, String>,
+    #[serde(rename = "devDependencies")]
+    dev_dependencies: IndexMap<String, String>,
+    dist: Dist,
+    engines: IndexMap<String, String>,
+    files: Vec<String>,
+    homepage: String,
+    keywords: Vec<String>,
+    license: String,
+    main: String,
+    maintainers: Vec<Person>,
+    name: String,
+    repository: Repository,
+    scripts: IndexMap<String, String>,
+    version: String,
+}
+
+#[derive(Debug, Deserialize)]
+struct PackageMeta {
+    _id: String,
+    _rev: String,
+    author: Person,
+    bugs: Bugs,
+    #[serde(default = "Vec::new")]
+    contributors: Vec<Person>,
+    description: String,
+    #[serde(rename = "dist-tags")]
+    dist_tags: IndexMap<String, String>,
+    homepage: String,
+    keywords: Vec<String>,
+    license: String,
+    maintainers: Vec<Person>,
+    name: String,
+    readme: String,
+    #[serde(rename = "readmeFilename")]
+    readme_filename: String,
+    repository: Repository,
+    time: IndexMap<String, String>,
+    users: IndexMap<String, bool>,
+    versions: IndexMap<String, VersionMeta>,
+}
+
+pub struct NpmClient {
+    reqwest: Client,
+}
+
+const BASE_URL: &str = "https://registry.npmjs.org";
+
+impl NpmClient {
+    pub fn new() -> Self {
+        let reqwest = Client::new();
+        Self { reqwest }
+    }
+
+    #[tracing::instrument(skip(self))]
+    pub fn inspect_package(&self, name: &str) -> Result<()> {
+        let res = self.reqwest.get(format!("{BASE_URL}/{name}")).send()?;
+        let code = res.status();
+        let body = res.text()?;
+        let meta = serde_json::from_str::<PackageMeta>(&body);
+        if let Err(err) = meta {
+            error!(?err, "error");
+            let col = err.column();
+            let after = &body[col..][..50];
+            let before = &body[col - 50..col];
+            error!(%before, %after, "err");
+        }
+
+        info!(?code, "Received response");
+        Ok(())
+    }
+}