From d5f24feb9e10e42f50084449e3a371055f60d4ad Mon Sep 17 00:00:00 2001
From: Giovanni Harting <539@idlegandalf.com>
Date: Sun, 20 Apr 2025 17:21:14 +0200
Subject: [PATCH] add last_mirror_ts to general stats

---
 api.go            | 26 +++++++++++++++++++++-----
 openapi_alhp.yaml |  5 +++++
 2 files changed, 26 insertions(+), 5 deletions(-)

diff --git a/api.go b/api.go
index e3e4919..935e1e1 100644
--- a/api.go
+++ b/api.go
@@ -5,6 +5,7 @@ import (
 	"github.com/go-chi/render"
 	log "github.com/sirupsen/logrus"
 	"net/http"
+	"os"
 	"somegit.dev/ALHP/ALHP.GO/ent"
 	"somegit.dev/ALHP/ALHP.GO/ent/dbpackage"
 	"somegit.dev/ALHP/ALHP.GO/ent/predicate"
@@ -14,11 +15,12 @@ import (
 )
 
 type StatsResponse struct {
-	Failed  int `json:"failed"`
-	Skipped int `json:"skipped"`
-	Latest  int `json:"latest"`
-	Queued  int `json:"queued"`
-	LTO     *struct {
+	Failed              int    `json:"failed"`
+	Skipped             int    `json:"skipped"`
+	Latest              int    `json:"latest"`
+	Queued              int    `json:"queued"`
+	LastMirrorTimestamp *int64 `json:"last_mirror_timestamp,omitempty"`
+	LTO                 *struct {
 		Enabled  int `json:"enabled"`
 		Disabled int `json:"disabled"`
 		Unknown  int `json:"unknown"`
@@ -93,6 +95,20 @@ func GetStats(w http.ResponseWriter, r *http.Request) {
 		}
 	}
 
+	if os.Getenv("ALHP_TIMESTAMP_PATH") != "" {
+		tsFile, err := os.ReadFile(os.Getenv("ALHP_TIMESTAMP_PATH"))
+		if err != nil {
+			log.Warningf("error reading timestamp file: %v", err)
+		} else {
+			ts, err := strconv.ParseInt(string(tsFile), 10, 64)
+			if err != nil {
+				log.Warningf("error parsing timestamp file: %v", err)
+			} else {
+				resp.LastMirrorTimestamp = &ts
+			}
+		}
+	}
+
 	render.Status(r, http.StatusOK)
 	render.JSON(w, r, resp)
 }
diff --git a/openapi_alhp.yaml b/openapi_alhp.yaml
index 7c87134..8756f77 100644
--- a/openapi_alhp.yaml
+++ b/openapi_alhp.yaml
@@ -224,6 +224,11 @@ components:
           format: int64
           description: Number of packages currently in the build queue
           example: 5
+        last_mirror_timestamp:
+          type: integer
+          format: int64
+          description: Latest mirror timestamp to detect outdated mirrors (Unix timestamp)
+          example: 1702612991
         lto:
           type: object
           description: LTO status summary across all packages