controllers/krate/metadata: Expose the default_version field

Author: eth3lbert

src/controllers/krate/metadata.rs

@@ -45,12 +45,19 @@ pub async fn show(app: AppState, Path(name): Path<String>, req: Parts) -> AppRes
             .transpose()?
             .unwrap_or_default();
 
-        let (krate, downloads): (Crate, i64) = Crate::by_name(&name)
-            .inner_join(crate_downloads::table)
-            .select((Crate::as_select(), crate_downloads::downloads))
-            .first(conn)
-            .optional()?
-            .ok_or_else(|| crate_not_found(&name))?;
+        let (krate, downloads, default_version): (Crate, i64, Option<String>) =
+            Crate::by_name(&name)
+                .inner_join(crate_downloads::table)
+                .left_join(default_versions::table)
+                .left_join(versions::table.on(default_versions::version_id.eq(versions::id)))
+                .select((
+                    Crate::as_select(),
+                    crate_downloads::downloads,
+                    versions::num.nullable(),
+                ))
+                .first(conn)
+                .optional()?
+                .ok_or_else(|| crate_not_found(&name))?;
 
         let versions_publishers_and_audit_actions = if include.versions {
             let mut versions_and_publishers: Vec<(Version, Option<User>)> = krate
@@ -120,7 +127,7 @@ pub async fn show(app: AppState, Path(name): Path<String>, req: Parts) -> AppRes
 
         let encodable_crate = EncodableCrate::from(
             krate.clone(),
-            None,
+            default_version.as_deref(),
             top_versions.as_ref(),
             ids,
             kws.as_deref(),

src/tests/routes/crates/snapshots/crates_io__tests__routes__crates__read__new_name.snap

@@ -8,6 +8,7 @@ expression: response.json()
     "badges": null,
     "categories": null,
     "created_at": "[datetime]",
+    "default_version": "0.99.0",
     "description": null,
     "documentation": null,
     "downloads": 0,

src/tests/routes/crates/snapshots/crates_io__tests__routes__crates__read__show.snap

@@ -8,6 +8,7 @@ expression: response.json()
     "badges": [],
     "categories": [],
     "created_at": "[datetime]",
+    "default_version": "1.0.0",
     "description": "description",
     "documentation": "https://example.com",
     "downloads": 20,

src/tests/routes/crates/snapshots/crates_io__tests__routes__crates__read__show_minimal.snap

@@ -8,6 +8,7 @@ expression: response.json()
     "badges": null,
     "categories": null,
     "created_at": "[datetime]",
+    "default_version": "1.0.0",
     "description": "description",
     "documentation": "https://example.com",
     "downloads": 20,