cl-scopes/storage/msgstore.lisp

50 lines
1.8 KiB
Common Lisp

;;;; cl-scopes/storage/msgstore - storing message data in a SQL database
(defpackage :scopes/storage/msgstore
(:use :common-lisp)
(:local-nicknames (:actor :scopes/core/actor)
(:core :scopes/core)
(:message :scopes/core/message)
(:shape :scopes/shape)
(:storage :scopes/storage)
(:tracking :scopes/storage/tracking)
(:util :scopes/util))
(:export #:make-container #:save
#:replay-id
))
(in-package :scopes/storage/msgstore)
(defclass pmsg (message:message tracking:track)
((shape:meta :initform (shape:get-meta 'message:message) :allocation :class)))
(defun indexes (cont)
'((domain action class item) (domain class item)))
(defun make-container (storage)
(make-instance 'tracking:container
:item-class 'pmsg
:short-name :msg
:table-name :messages
:index-factory #'indexes
:force-insert-when :changed
:storage storage))
(defun save (msg cont)
(let ((pm (make-instance 'pmsg
:head (shape:head msg) :data (shape:data msg)
:container cont)))
(tracking:save pm)))
(defun replay-id (ctx msgid rcvr &key attrs)
(let* ((st (storage:storage ctx))
(cont (make-container st))
(msg (tracking:get-track cont msgid))
(ts (local-time:universal-to-timestamp (tracking:timestamp msg))))
(when attrs
(setf (shape:data msg)
(util:filter-plist (shape:data msg) attrs)))
(util:plist-add (shape:data msg) :|_timestamp| (local-time:format-timestring nil ts))
(format t "~&~s~%" msg)
(actor:send (core:mailbox (core:find-service rcvr)) msg)
))