added backup apis and tests

apis/health.go

@@ -19,12 +19,20 @@ type healthApi struct {
 	app core.App
 }
 
+type healthCheckResponse struct {
+	Code    int    `json:"code"`
+	Message string `json:"message"`
+	Data    struct {
+		CanBackup bool `json:"canBackup"`
+	} `json:"data"`
+}
+
 // healthCheck returns a 200 OK response if the server is healthy.
 func (api *healthApi) healthCheck(c echo.Context) error {
-	payload := map[string]any{
-		"code":    http.StatusOK,
-		"message": "API is healthy.",
-	}
+	resp := new(healthCheckResponse)
+	resp.Code = http.StatusOK
+	resp.Message = "API is healthy."
+	resp.Data.CanBackup = !api.app.Cache().Has(core.CacheKeyActiveBackup)
 
-	return c.JSON(http.StatusOK, payload)
+	return c.JSON(http.StatusOK, resp)
 }