restructured the project to comply community guideline, for others check release note

internal/route/route.go

@@ -0,0 +1,95 @@
+package route
+
+import (
+	"fmt"
+	"net/url"
+
+	E "github.com/yusing/go-proxy/internal/error"
+	M "github.com/yusing/go-proxy/internal/models"
+	P "github.com/yusing/go-proxy/internal/proxy"
+	F "github.com/yusing/go-proxy/internal/utils/functional"
+)
+
+type (
+	Route interface {
+		RouteImpl
+		Entry() *M.RawEntry
+		Type() RouteType
+		URL() *url.URL
+	}
+	Routes = F.Map[string, Route]
+
+	RouteImpl interface {
+		Start() E.NestedError
+		Stop() E.NestedError
+		String() string
+	}
+	RouteType string
+	route     struct {
+		RouteImpl
+		type_ RouteType
+		entry *M.RawEntry
+	}
+)
+
+const (
+	RouteTypeStream       RouteType = "stream"
+	RouteTypeReverseProxy RouteType = "reverse_proxy"
+)
+
+// function alias
+var NewRoutes = F.NewMapOf[string, Route]
+
+func NewRoute(en *M.RawEntry) (Route, E.NestedError) {
+	rt, err := P.ValidateEntry(en)
+	if err != nil {
+		return nil, err
+	}
+
+	var t RouteType
+
+	switch e := rt.(type) {
+	case *P.StreamEntry:
+		rt, err = NewStreamRoute(e)
+		t = RouteTypeStream
+	case *P.ReverseProxyEntry:
+		rt, err = NewHTTPRoute(e)
+		t = RouteTypeReverseProxy
+	default:
+		panic("bug: should not reach here")
+	}
+	if err != nil {
+		return nil, err
+	}
+	return &route{RouteImpl: rt.(RouteImpl), entry: en, type_: t}, nil
+}
+
+func (rt *route) Entry() *M.RawEntry {
+	return rt.entry
+}
+
+func (rt *route) Type() RouteType {
+	return rt.type_
+}
+
+func (rt *route) URL() *url.URL {
+	url, _ := url.Parse(fmt.Sprintf("%s://%s", rt.entry.Scheme, rt.entry.Host))
+	return url
+}
+
+func FromEntries(entries M.RawEntries) (Routes, E.NestedError) {
+	b := E.NewBuilder("errors in routes")
+
+	routes := NewRoutes()
+	entries.RangeAll(func(alias string, entry *M.RawEntry) {
+		entry.Alias = alias
+		r, err := NewRoute(entry)
+		if err.HasError() {
+			b.Add(err.Subject(alias))
+		} else {
+			routes.Store(alias, r)
+		}
+	})
+
+	return routes, b.Build()
+}