feat: add get related packages query

Cargo.toml

@@ -88,7 +88,7 @@ default-members = [
 #sikula = { git = "https://github.com/ctron/sikula", rev = "cea7429f6b690adcdcd1ce2edb2b9e2277834e03" }
 #sikula = { path = "../sikula" }
 
-guac = { git = "https://github.com/dejanb/guac-rs.git", rev = "60c2a061b8f67974cca56e73ba8325c180c4714d" }
+guac = { git = "https://github.com/dejanb/guac-rs.git", rev = "b8f095a087194ef34d494a2da967e45b0ab73f30" }
 
 # also check: spog/ui/Cargo.toml
 cyclonedx-bom = { git = "https://github.com/lulf/cyclonedx-rust-cargo", branch = "trustification" }

spog/api/src/guac.rs

@@ -1,6 +1,6 @@
 use crate::services::guac::GuacService;
 use actix_web::web::ServiceConfig;
-use actix_web::{web, HttpResponse, Responder};
+use actix_web::{web, HttpResponse};
 use std::sync::Arc;
 use trustification_auth::authenticator::Authenticator;
 use trustification_infrastructure::new_auth;
@@ -31,13 +31,13 @@ pub struct GetPackage {
     )
 )]
 pub async fn get(
-    _guac: web::Data<GuacService>,
+    guac: web::Data<GuacService>,
     web::Query(GetPackage { purl }): web::Query<GetPackage>,
-) -> impl Responder {
-    // FIXME: this should do something
-    HttpResponse::Ok()
-}
+) -> actix_web::Result<HttpResponse> {
+    let pkgs = guac.get_packages(&purl).await?;
 
+    Ok(HttpResponse::Ok().json(pkgs))
+}
 
 #[derive(Clone, Debug, Eq, PartialEq, serde::Deserialize)]
 pub struct GetDependencies {

spog/api/src/services/guac.rs

@@ -36,6 +36,12 @@ impl GuacService {
         }
     }
 
+    /// Lookup related packages for a provided Package URL
+    pub async fn get_packages(&self, purl: &str) -> Result<Vec<String>, Error> {
+        let pkgs = self.client.get_packages(purl).await.map_err(Error::Guac)?;
+        Ok(pkgs)
+    }
+
     /// Lookup dependencies for a provided Package URL
     pub async fn get_dependencies(&self, purl: &str) -> Result<Vec<String>, Error> {
         let deps = self.client.is_dependency(purl).await.map_err(Error::Guac)?;