chore: Update README.

README.md

@@ -1,3 +1,4 @@
 # handmade-revolt-go
 
-A ledger of submission requests to handmade revolt.
+A ledger of submission requests to handmade revolt.
+Listens to submissions from https://handmadecities.com/revolt, persists them to disk, and notifies the team through ntfy.sh

legacy-main.go

@@ -0,0 +1,94 @@
+package main
+
+import (
+	"fmt"
+	"log"
+	"net/http"
+	"os"
+	"path/filepath"
+	"strings"
+	"time"
+)
+
+// NOTE(jmug): Port here is not really important, choose at your convenience.
+const listenAddr = "127.0.0.1:<TBD>"
+
+func main() {
+	http.HandleFunc("/", handleSubmit)
+
+	log.Printf("Listening on %s\n", listenAddr)
+	log.Fatal(http.ListenAndServe(listenAddr, nil))
+}
+
+func handleSubmit(w http.ResponseWriter, r *http.Request) {
+	if r.Method != http.MethodPost {
+		http.Error(w, "Method not allowed", http.StatusMethodNotAllowed)
+		return
+	}
+
+	if err := r.ParseForm(); err != nil {
+		log.Printf("Error parsing form: %v", err)
+		http.Redirect(w, r, "https://handmadecities.com/revolt/error", http.StatusSeeOther)
+		return
+	}
+
+	name := r.FormValue("name")
+	email := r.FormValue("email")
+	website := r.FormValue("website")
+	reason := r.FormValue("reason")
+
+	// Basic validation
+	if name == "" || email == "" {
+		log.Println("Missing required fields")
+		http.Redirect(w, r, "https://handmadecities.com/", http.StatusSeeOther)
+		return
+	}
+
+	if err := appendToFile(name, email, website, reason); err != nil {
+		log.Printf("Error writing to file: %v", err)
+		http.Redirect(w, r, "https://handmadecities.com/", http.StatusSeeOther)
+		return
+	}
+
+	log.Printf("New application from: %s <%s>", name, email)
+	http.Redirect(w, r, "https://handmadecities.com/revolt-success", http.StatusSeeOther)
+
+	// Send ntfy alert
+	// NOTE(jmug): request secret from shhh, `revol-submission-ntfy-fqdn`
+	_, err := http.Post(
+		"<redacted>",
+		"text/plain",
+		strings.NewReader(fmt.Sprintf("New Revolt application from %s", name)),
+	)
+
+	if err != nil {
+		log.Printf("Failed to send ntfy alert: %v", err)
+	}
+}
+
+// NOTE(jmug): I think this is fine for now, but crazy idea: How about a simple
+// sqlite db, a cli, and mTLS auth so that an operator (Abner) can query submissions
+// without jumping on the server.
+func appendToFile(name, email, website, reason string) error {
+	home, err := os.UserHomeDir()
+	if err != nil {
+		return err
+	}
+
+	filePath := filepath.Join(home, "revolt_applications.txt")
+
+	f, err := os.OpenFile(filePath, os.O_APPEND|os.O_CREATE|os.O_WRONLY, 0644)
+	if err != nil {
+		return err
+	}
+	defer f.Close()
+
+	entry := fmt.Sprintf(
+		"--- %s ---\nName: %s\nEmail: %s\nWebsite: %s\nReason: %s\n\n",
+		time.Now().Format(time.RFC1123),
+		name, email, website, reason,
+	)
+
+	_, err = f.WriteString(entry)
+	return err
+}