initial broken draft of relays page.

render_relay.go

@@ -0,0 +1,75 @@
+package main
+
+import (
+	"context"
+	"fmt"
+	"net/http"
+	"strings"
+	"time"
+
+	"github.com/nbd-wtf/go-nostr"
+	"github.com/nbd-wtf/go-nostr/nip11"
+	"github.com/nbd-wtf/go-nostr/nip19"
+)
+
+func renderRelayPage(w http.ResponseWriter, r *http.Request) {
+	code := r.URL.Path[1:]
+
+	hostname := code
+	if strings.HasPrefix(code, "wss://") {
+		hostname = code[6:]
+	}
+	if strings.HasPrefix(code, "ws://") {
+		hostname = code[5:]
+	}
+
+	fmt.Println("hostname", hostname)
+
+	ctx, cancel := context.WithTimeout(r.Context(), time.Second*5)
+	defer cancel()
+
+	// relay metadata
+	info, _ := nip11.Fetch(r.Context(), code)
+	if info == nil {
+		info = &nip11.RelayInformationDocument{
+			Name: hostname,
+		}
+	}
+
+	// last notes
+	var lastNotes []*nostr.Event
+	if relay, err := pool.EnsureRelay(code); err == nil {
+		lastNotes, _ = relay.QuerySync(ctx, nostr.Filter{
+			Kinds: []int{1},
+			Limit: 50,
+		})
+	}
+	renderableLastNotes := make([]*Event, len(lastNotes))
+	for i, n := range lastNotes {
+		nevent, _ := nip19.EncodeEvent(n.ID, []string{}, n.PubKey)
+		date := time.Unix(int64(n.CreatedAt), 0).Format("2006-01-02 15:04:05")
+		renderableLastNotes[i] = &Event{
+			Nevent:       nevent,
+			Content:      n.Content,
+			CreatedAt:    date,
+			ParentNevent: getParentNevent(n),
+		}
+	}
+
+	params := map[string]any{
+		"clients": []ClientReference{
+			{Name: "Coracle", URL: "https://coracle.social/relays/" + hostname},
+		},
+		"type":      "relay",
+		"info":      info,
+		"hostname":  hostname,
+		"proxy":     "https://" + hostname + "/njump/proxy?src=",
+		"lastNotes": renderableLastNotes,
+	}
+
+	w.Header().Set("Cache-Control", "max-age=604800")
+	if err := tmpl.ExecuteTemplate(w, templateMapping["relay"], params); err != nil {
+		log.Error().Err(err).Msg("error rendering")
+		return
+	}
+}