syz-cluster: add ListPreviousFindings API

The API call returns an aggregated list of findings in all previous
versions of the specified patch series.

1 files changed, 14 insertions, 0 deletions

diff --git a/syz-cluster/pkg/controller/api.go b/syz-cluster/pkg/controller/api.go
index a9e3058f4..5d6ed247d 100644
--- a/syz-cluster/pkg/controller/api.go
+++ b/syz-cluster/pkg/controller/api.go
@@ -40,6 +40,7 @@ func (c APIServer) Mux() *http.ServeMux {
 	mux.HandleFunc("/builds/last", c.getLastBuild)
 	mux.HandleFunc("/builds/upload", c.uploadBuild)
 	mux.HandleFunc("/findings/upload", c.uploadFinding)
+	mux.HandleFunc("/findings/previous", c.getPreviousFindings)
 	mux.HandleFunc("/findings/{finding_id}", c.getFinding)
 	mux.HandleFunc("/series/upload", c.uploadSeries)
 	mux.HandleFunc("/series/{series_id}", c.getSeries)
@@ -166,6 +167,19 @@ func (c APIServer) uploadFinding(w http.ResponseWriter, r *http.Request) {
 	api.ReplyJSON[any](w, nil)
 }
 
+func (c APIServer) getPreviousFindings(w http.ResponseWriter, r *http.Request) {
+	req := api.ParseJSON[api.ListPreviousFindingsReq](w, r)
+	if req == nil {
+		return
+	}
+	findings, err := c.findingService.ListPreviousFindings(r.Context(), req)
+	if err != nil {
+		http.Error(w, fmt.Sprint(err), http.StatusInternalServerError)
+		return
+	}
+	api.ReplyJSON(w, findings)
+}
+
 func (c APIServer) getFinding(w http.ResponseWriter, r *http.Request) {
 	finding, err := c.findingService.Get(r.Context(), r.PathValue("finding_id"))
 	if errors.Is(err, service.ErrFindingNotFound) {