;;;; 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))
  (: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)
  (let* ((st (storage:storage ctx))
         (cont (make-container st))
         (msg (tracking:get-track cont msgid)))
    (actor:send (core:find-service rcvr) msg)))