Files
passepartout/org/channel-discord.org
Amr Gharbeia b9a4318ef8 reorg: tangle to XDG, remove stale lisp files, fix tui input
- Changed all 50 org file :tangle targets from ../lisp/ to
  ~/.local/share/passepartout/lisp/ (XDG data dir)
- Removed 49 generated .lisp files from project lisp/ directory
- Removed tests/system-integration-tests.lisp (generated)
- Removed lisp/*.fasl (compiled, stale)
- Updated core-manifest.org to tangle .asd to XDG root
- Remapped quicklisp symlink: local-projects/passepartout → XDG

TUI fixes in channel-tui-main.org:
- Removed with-raw-terminal (stty raw breaks fd 0 reads in this SBCL)
- Use cat subprocess + pipe for keyboard input (via :input :interactive)
- Blocking read-char on pipe with with-timeout 0.1s for daemon processing
- Key events queued via drain-queue alongside daemon messages
- Full dialog key routing (Escape, Up/Down, Enter, filters, Backspace)
- SIGWINCH resize handling
- Post-handshake backend-size re-query
- Daemon version in status bar (was v0.5.0 hardcoded)
- Handshake version stored in state, no add-msg
- :daemon-version and :size-queried in state plist
- view-status uses draw-rect for background
- Test section gated with #+passepartout-tests
2026-05-14 12:34:06 -04:00

91 lines
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#+TITLE: Channel Discord (channel-discord.org)
#+AUTHOR: Agent
#+FILETAGS: :channel:discord:
#+PROPERTY: header-args:lisp :tangle /home/user/.local/share/passepartout/lisp/channel-discord.lisp
* Channel Discord
Extracted from gateway-messaging in v0.5.0. Isolated platform — Discord-specific poll and send logic.
* Overview
The Discord channel provides bidirectional communication via the Discord REST API
and Gateway WebSocket. Messages received from Discord channels are injected into
the cognitive pipeline as ~:user-input~ signals with ~:source :discord~. Outbound
messages route through the actuator registry when the pipeline targets ~:discord~.
The channel uses two functions: ~discord-poll~ (inbound sensor, REST polling)
and ~discord-send~ (outbound actuator, REST POST). Both retrieve the bot token
from the credentials vault (~vault-get-secret :discord~). HITL commands are
intercepted before injection so approval flows work identically across all channels.
** Contract
1. (discord-get-token): returns the Discord bot token from the vault
(via ~vault-get-secret :discord~), or nil if not configured.
2. (discord-poll): polls configured channels via GET /channels/{id}/messages,
injects each non-bot message as a ~:user-input~ stimulus with
~:source :discord~. Handles JSON parse failures and API errors
gracefully. HITL commands are intercepted before injection.
3. (discord-send action context): sends a message via POST /channels/{id}/messages.
Extracts ~:channel-id~ and ~:text~ from the action plist. Uses bot token
authentication. Logs send failures without crashing the pipeline.
* Implementation
#+begin_src lisp
(in-package :passepartout)
(defun discord-get-token ()
(vault-get-secret :discord))
(defun discord-send (action context)
"Sends a message via Discord REST API."
(declare (ignore context))
(let* ((payload (getf action :payload))
(meta (getf action :meta))
(channel-id (or (getf meta :channel-id) (getf payload :chat-id)))
(text (or (getf payload :text) (getf action :text)))
(token (discord-get-token)))
(when (and token channel-id text)
(handler-case
(dex:post (format nil "https://discord.com/api/v10/channels/~a/messages" channel-id)
:headers '(("Authorization" . ,(format nil "Bot ~a" token))
("Content-Type" . "application/json"))
:content (cl-json:encode-json-to-string
`((content . ,text))))
(error (c) (log-message "DISCORD ERROR: ~a" c))))))
(defun discord-poll ()
"Polls Discord via HTTP GET /channels/{id}/messages. In production,
a WebSocket connection to the Gateway is preferred for real-time events."
(let* ((token (discord-get-token)))
(when token
(handler-case
(dolist (channel '("channel-id-here")) ;; configured channel IDs
(let* ((last-id (getf (gethash "discord" *gateway-configs*) :last-update-id 0))
(url (format nil "https://discord.com/api/v10/channels/~a/messages?after=~a"
channel last-id))
(response (dex:get url :headers
`(("Authorization" . ,(format nil "Bot ~a" token))))))
(let ((messages (ignore-errors
(cdr (assoc :message
(cl-json:decode-json-from-string response))))))
(dolist (msg (and (listp messages) messages))
(let* ((id (cdr (assoc :id msg)))
(content (cdr (assoc :content msg)))
(author (cdr (assoc :author msg)))
(author-id (cdr (assoc :id author)))
(is-bot (cdr (assoc :bot author))))
(when (and id content (not is-bot))
(setf (getf (gethash "discord" *gateway-configs*) :last-update-id) id)
(unless (ignore-errors (hitl-handle-message content :discord))
(stimulus-inject
(list :type :EVENT
:meta (list :source :discord :chat-id channel)
:payload (list :sensor :user-input :text content))))))))))
(error (c) (log-message "DISCORD POLL ERROR: ~a" c))))))
#+end_src
#+end_src