feat: increase cache duration

Author: christophwitzko

internal/server/cache.go

@@ -4,6 +4,7 @@ import (
 	"fmt"
 	"net/http"
 	"strings"
+	"time"
 
 	"github.com/patrickmn/go-cache"
 )
@@ -35,8 +36,12 @@ func (s *Server) getFromCache(k cacheKey) (any, bool) {
 	return s.cache.Get(string(k))
 }
 
-func (s *Server) setInCache(k cacheKey, v any) {
-	s.cache.Set(string(k), v, cache.DefaultExpiration)
+func (s *Server) setInCache(k cacheKey, v any, expiration ...time.Duration) {
+	exp := cache.DefaultExpiration
+	if len(expiration) > 0 {
+		exp = expiration[0]
+	}
+	s.cache.Set(string(k), v, exp)
 }
 
 func (s *Server) invalidateByPrefix(prefix cacheKey) {

internal/server/handler_download.go

@@ -5,6 +5,7 @@ import (
 	"fmt"
 	"net/http"
 	"strings"
+	"time"
 
 	"github.com/go-chi/chi/v5"
 	"github.com/google/go-github/v50/github"
@@ -27,7 +28,7 @@ func (s *Server) getLatestSemRelRelease(ctx context.Context) (*github.Repository
 	if err != nil {
 		return nil, err
 	}
-	s.setInCache(semrelCacheKey, latestRelease)
+	s.setInCache(semrelCacheKey, latestRelease, time.Minute*30)
 	return latestRelease, nil
 }
 

internal/server/server.go

@@ -79,7 +79,7 @@ func New(log *logrus.Logger, db *firestore.Client, ghClient *github.Client, stor
 		ghClient:              ghClient,
 		storage:               storage,
 		config:                serverCfg,
-		cache:                 cache.New(5*time.Minute, 10*time.Minute),
+		cache:                 cache.New(15*time.Minute, 30*time.Minute),
 		ghSemaphore:           semaphore.NewWeighted(1),
 		batchArchiveSemaphore: semaphore.NewWeighted(1),
 	}