Expose TopVersions::highest_stable as max_stable_version

Author: Turbo87

src/models/krate.rs

@@ -357,6 +357,8 @@ impl Crate {
             .map(|v| v.to_string())
             .unwrap_or_else(|| "0.0.0".to_string());
 
+        let max_stable_version = top_versions.highest_stable.as_ref().map(|v| v.to_string());
+
         EncodableCrate {
             id: name.clone(),
             name: name.clone(),
@@ -370,6 +372,7 @@ impl Crate {
             badges,
             max_version,
             newest_version,
+            max_stable_version,
             documentation,
             homepage,
             exact_match,

src/tests/krate/search.rs

@@ -508,6 +508,27 @@ fn yanked_versions_are_not_considered_for_max_version() {
     assert_eq!(json.crates[0].max_version, "1.0.0");
 }
 
+#[test]
+fn max_stable_version() {
+    let (app, anon, user) = TestApp::init().with_user();
+    let user = user.as_model();
+
+    app.db(|conn| {
+        CrateBuilder::new("foo", user.id)
+            .description("foo")
+            .version("0.3.0")
+            .version("1.0.0")
+            .version(VersionBuilder::new("1.1.0").yanked(true))
+            .version("2.0.0-beta.1")
+            .version("0.3.1")
+            .expect_build(conn);
+    });
+
+    let json = anon.search("q=foo");
+    assert_eq!(json.meta.total, 1);
+    assert_eq!(json.crates[0].max_stable_version, Some("1.0.0".to_string()));
+}
+
 /*  Given two crates, one with downloads less than 90 days ago, the
     other with all downloads greater than 90 days ago, check that
     the order returned is by recent downloads, descending. Check

src/views.rs

@@ -156,6 +156,7 @@ pub struct EncodableCrate {
     // NOTE: Used by shields.io, altering `max_version` requires a PR with shields.io
     pub max_version: String,
     pub newest_version: String, // Most recently updated version, which may not be max
+    pub max_stable_version: Option<String>,
     pub description: Option<String>,
     pub homepage: Option<String>,
     pub documentation: Option<String>,
@@ -510,6 +511,7 @@ mod tests {
             recent_downloads: None,
             max_version: "".to_string(),
             newest_version: "".to_string(),
+            max_stable_version: None,
             description: None,
             homepage: None,
             documentation: None,