chore: moved packages to v1

v1/core/router.go

@@ -0,0 +1,70 @@
+package core
+
+import (
+	"errors"
+	mcontext "github.com/abelith/gomax/v1/context"
+)
+
+type Middleware func(next HandlerFunc) HandlerFunc
+
+type route struct {
+	h       UpdateHandler
+	filters []func(c *mcontext.Context) bool
+}
+
+type Router struct {
+	routes []route
+	mw     []Middleware
+}
+
+func (r *Router) HandleUpdate(c *mcontext.Context) error {
+	var current HandlerFunc = r.dispatch
+
+	for i := len(r.mw) - 1; i >= 0; i-- {
+		current = r.mw[i](current)
+	}
+
+	return current.HandleUpdate(c)
+}
+
+func (r *Router) Use(mws ...Middleware) {
+	r.mw = append(r.mw, mws...)
+}
+
+func (r *Router) HandleFunc(h HandlerFunc, filters ...func(c *mcontext.Context) bool) {
+	r.routes = append(r.routes, route{
+		h:       h,
+		filters: filters,
+	})
+}
+
+func (r *Router) Handle(h UpdateHandler, filters ...func(c *mcontext.Context) bool) {
+	r.routes = append(r.routes, route{
+		h:       h,
+		filters: filters,
+	})
+}
+
+func (r *Router) dispatch(c *mcontext.Context) error {
+	for _, rt := range r.routes {
+		if match(rt.filters, c) {
+			err := rt.h.HandleUpdate(c)
+			if errors.Is(err, ErrRouteNotFound) {
+				continue
+			}
+			return err
+		}
+	}
+
+	return ErrRouteNotFound
+}
+
+func match(filters []func(c *mcontext.Context) bool, c *mcontext.Context) bool {
+	for _, filter := range filters {
+		if !filter(c) {
+			return false
+		}
+	}
+
+	return true
+}