0b2e83ba0c
Use unique user in unknown command test to avoid last-command fallback interference. Add plugin architecture with registered commands. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
87 lines
1.7 KiB
Go
87 lines
1.7 KiB
Go
package main
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import (
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"encoding/json"
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"fmt"
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"net/http"
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"os"
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)
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type BotMessage struct {
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User struct {
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ID int `json:"id"`
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Name string `json:"name"`
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} `json:"user"`
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Room struct {
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ID int `json:"id"`
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Name string `json:"name"`
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} `json:"room"`
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Message struct {
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ID int `json:"id"`
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Body struct {
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HTML string `json:"html"`
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Plain string `json:"plain"`
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} `json:"body"`
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} `json:"message"`
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}
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var userLastCommandType = make(map[string]string)
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func init() {
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registerPlugin(PingPlugin{})
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registerPlugin(MathPlugin{})
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registerPlugin(HiPlugin{})
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registerPlugin(TracePlugin{})
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registerPlugin(HelpPlugin{})
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}
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func main() {
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fmt.Println("Sox started")
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http.HandleFunc("/", commandHandler)
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port := os.Getenv("PORT")
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if port == "" {
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port = "4567"
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}
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panic(http.ListenAndServe(":"+port, nil))
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}
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func commandHandler(w http.ResponseWriter, r *http.Request) {
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var msg BotMessage
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err := json.NewDecoder(r.Body).Decode(&msg)
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if err != nil {
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errorResponse(w, http.StatusBadRequest, "invalid request body")
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return
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}
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fmt.Fprintln(w, executeCommand(msg))
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}
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func executeCommand(msg BotMessage) string {
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command, arguments := SplitFirstWord(msg.Message.Body.Plain)
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if p, ok := registry[command]; ok {
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if command != "help" {
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userLastCommandType[msg.User.Name] = command
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}
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return p.Execute(msg, arguments)
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}
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// Fall back to last command, treating full message as new args
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if last, ok := userLastCommandType[msg.User.Name]; ok {
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if p, ok := registry[last]; ok {
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return p.Execute(msg, msg.Message.Body.Plain)
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}
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}
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return "Not sure what to do... Try `help` to see what I can do!"
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}
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func errorResponse(w http.ResponseWriter, status int, msg string) {
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w.WriteHeader(status)
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fmt.Fprintf(w, "Error: %s", msg)
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}
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