feat: add new features such as database watchdog

internal/api/middleware.go

@@ -0,0 +1,34 @@
+package api
+
+import (
+	"log/slog"
+	"time"
+
+	"github.com/gin-gonic/gin"
+)
+
+func slogMiddleware(logger *slog.Logger) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		start := time.Now()
+		path := c.Request.URL.Path
+		query := c.Request.URL.RawQuery
+
+		c.Next()
+
+		logger.Info("request",
+			slog.String("method", c.Request.Method),
+			slog.String("path", path),
+			slog.String("query", query),
+			slog.Int("status", c.Writer.Status()),
+			slog.Duration("latency", time.Since(start)),
+			slog.String("client_ip", c.ClientIP()),
+			slog.Int("body_size", c.Writer.Size()),
+		)
+
+		if len(c.Errors) > 0 {
+			for _, err := range c.Errors {
+				logger.Error("request error", slog.String("error", err.Error()))
+			}
+		}
+	}
+}