fix(items): добавлена метрика в CachingMiddleware

pkg/content/client.go

@@ -18,12 +18,14 @@ import (
 	itemsTransportGrpc "git.perx.ru/perxis/perxis-go/pkg/items/transport/grpc"
 	localesSvc "git.perx.ru/perxis/perxis-go/pkg/locales/middleware"
 	localsTransportGrpc "git.perx.ru/perxis/perxis-go/pkg/locales/transport/grpc"
+	"git.perx.ru/perxis/perxis-go/pkg/metrics"
 	referencesSvc "git.perx.ru/perxis/perxis-go/pkg/references/middleware"
 	referencesTransportGrpc "git.perx.ru/perxis/perxis-go/pkg/references/transport/grpc"
 	rolesSvc "git.perx.ru/perxis/perxis-go/pkg/roles/middleware"
 	rolesTransportGrpc "git.perx.ru/perxis/perxis-go/pkg/roles/transport/grpc"
 	spacesSvc "git.perx.ru/perxis/perxis-go/pkg/spaces/middleware"
 	spacesTransportGrpc "git.perx.ru/perxis/perxis-go/pkg/spaces/transport/grpc"
+	"github.com/prometheus/client_golang/prometheus"
 	"go.uber.org/zap"
 	"google.golang.org/grpc"
 )
@@ -75,13 +77,14 @@ func NewClient(conn *grpc.ClientConn, opts ...Option) *Content {
 
 func WithCaching(client *Content, size int, ttl time.Duration) *Content {
 	c := *client
+	cacheMetrics := metrics.NewCacheMetrics(prometheus.DefaultRegisterer)
 
 	c.Clients = clientsSvc.CachingMiddleware(cache.NewCache(size, ttl))(client.Clients)
 	c.Environments = environmentsSvc.CachingMiddleware(cache.NewCache(size, ttl))(client.Environments)
 	c.Locales = localesSvc.CachingMiddleware(cache.NewCache(size, ttl))(client.Locales)
 	c.Roles = rolesSvc.CachingMiddleware(cache.NewCache(size, ttl))(client.Roles)
 	c.Spaces = spacesSvc.CachingMiddleware(cache.NewCache(size, ttl))(client.Spaces)
-	c.Items = itemsSvc.CachingMiddleware(cache.NewCache(size, ttl), cache.NewCache(size, ttl), c.Environments)(client.Items)
+	c.Items = itemsSvc.CachingMiddleware(cache.NewCache(size, ttl), cache.NewCache(size, ttl), cacheMetrics, c.Environments)(client.Items)
 	c.Collections = collectionsSvc.CachingMiddleware(cache.NewCache(size, ttl), c.Environments)(client.Collections)
 	c.Collaborators = collaboratorsSvc.CachingMiddleware(cache.NewCache(size, ttl))(client.Collaborators)
 	c.Invitations = invitationsSvc.CachingMiddleware(cache.NewCache(size, ttl))(client.Invitations)