Initial backend repository commit.

Set up project files and add .gitignore to exclude local build/runtime artifacts.

Made-with: Cursor

internal/middleware/logger.go

@@ -0,0 +1,49 @@
+package middleware
+
+import (
+	"time"
+
+	"github.com/gin-gonic/gin"
+	"go.uber.org/zap"
+)
+
+// Logger 日志中间件
+func Logger(logger *zap.Logger) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		start := time.Now()
+		path := c.Request.URL.Path
+
+		c.Next()
+
+		latency := time.Since(start)
+		statusCode := c.Writer.Status()
+
+		logger.Info("request",
+			zap.String("method", c.Request.Method),
+			zap.String("path", path),
+			zap.Int("status", statusCode),
+			zap.Duration("latency", latency),
+			zap.String("ip", c.ClientIP()),
+			zap.String("user-agent", c.Request.UserAgent()),
+		)
+	}
+}
+
+// Recovery 恢复中间件
+func Recovery(logger *zap.Logger) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		defer func() {
+			if err := recover(); err != nil {
+				logger.Error("panic recovered",
+					zap.Any("error", err),
+				)
+				c.JSON(500, gin.H{
+					"code":    500,
+					"message": "internal server error",
+				})
+				c.Abort()
+			}
+		}()
+		c.Next()
+	}
+}