kit/middleware/middleware.go

package middleware

import (
	"context"
	"github.com/gin-gonic/gin"
)

type Handler func(context.Context, any) (any, error)

type Middleware func(Handler) Handler

func Chain(m ...Middleware) Middleware {
	return func(handler Handler) Handler {
		for i := len(m) - 1; i >= 0; i-- {
			handler = m[i](handler)
		}
		return handler
	}
}

func HttpMiddleware(c *gin.Context, handler Handler, m ...Middleware) Handler {
	opts := []Middleware{Recover(), AddHeaderMdMiddle(c), func(handler Handler) Handler {
		return func(ctx context.Context, a any) (any, error) {
			return handler(ctx, a)
		}
	}}
	opts = append(opts, m...)
	return Chain(opts...)(handler)
}