update databasing system with minimum API, schema parsing and FreeCAD

integration

internal/api/middleware.go

@@ -0,0 +1,56 @@
+// Package api provides HTTP handlers and middleware for the Silo API.
+package api
+
+import (
+	"net/http"
+	"time"
+
+	"github.com/go-chi/chi/v5/middleware"
+	"github.com/rs/zerolog"
+)
+
+// RequestLogger returns a middleware that logs HTTP requests using zerolog.
+func RequestLogger(logger zerolog.Logger) func(next http.Handler) http.Handler {
+	return func(next http.Handler) http.Handler {
+		return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+			start := time.Now()
+			ww := middleware.NewWrapResponseWriter(w, r.ProtoMajor)
+
+			defer func() {
+				logger.Info().
+					Str("method", r.Method).
+					Str("path", r.URL.Path).
+					Str("query", r.URL.RawQuery).
+					Int("status", ww.Status()).
+					Int("bytes", ww.BytesWritten()).
+					Dur("duration", time.Since(start)).
+					Str("remote", r.RemoteAddr).
+					Str("user_agent", r.UserAgent()).
+					Msg("request")
+			}()
+
+			next.ServeHTTP(ww, r)
+		})
+	}
+}
+
+// Recoverer returns a middleware that recovers from panics and logs them.
+func Recoverer(logger zerolog.Logger) func(next http.Handler) http.Handler {
+	return func(next http.Handler) http.Handler {
+		return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+			defer func() {
+				if rec := recover(); rec != nil {
+					logger.Error().
+						Interface("panic", rec).
+						Str("method", r.Method).
+						Str("path", r.URL.Path).
+						Msg("panic recovered")
+
+					http.Error(w, http.StatusText(http.StatusInternalServerError), http.StatusInternalServerError)
+				}
+			}()
+
+			next.ServeHTTP(w, r)
+		})
+	}
+}