#!@GUILE@ --no-auto-compile
-*- scheme -*-
-*- geiser-scheme-implementation: guile -*-
!#
;;; Guix Data Service -- Information about Guix over time
;;; Copyright © 2019 Christopher Baines <mail@cbaines.net>
;;;
;;; This file is part of guix-data-service.
;;;
;;; guix-data-service is free software; you can redistribute it and/or modify it
;;; under the terms of the GNU General Public License as published by
;;; the Free Software Foundation; either version 3 of the License, or
;;; (at your option) any later version.
;;;
;;; guix-data-service is distributed in the hope that it will be useful, but
;;; WITHOUT ANY WARRANTY; without even the implied warranty of
;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
;;; General Public License for more details.
;;;
;;; You should have received a copy of the GNU General Public License
;;; along with the guix-data-service.  If not, see <http://www.gnu.org/licenses/>.

(use-modules (srfi srfi-1)
             (srfi srfi-37)
             (ice-9 textual-ports)
             (ice-9 binary-ports)
             (rnrs bytevectors)
             (squee)
             (email email)
             (guix-data-service database)
             (guix-data-service model git-repository)
             (guix-data-service branch-updated-emails))

(with-postgresql-connection
 "process-branch-updated-mbox"
 (lambda (conn)
   (let ((count
          (count-git-repositories-with-x-git-repo-header-values conn)))
     (when (eq? count 0)
       (display
        "\nerror: no git_repositories exist with a value for x_git_repo_header
error: to match emails to repositories, the git_repositories entry must have
a x_git_repo_header value\n"
        (current-error-port))
       (exit 1)))

   (for-each
    (lambda (file)
      (simple-format (current-error-port)
                     "reading: ~A\n"
                     file)
      (for-each
       (lambda (email-bytevector)
         (display "." (current-error-port))
         (catch
           #t
           (lambda ()
             (with-throw-handler #t
               (lambda ()
                 (enqueue-job-for-email
                  conn
                  (parse-email email-bytevector)))
               (lambda (key . args)
                 (display "\nerror: while parsing email\n"
                          (current-error-port))
                 (simple-format (current-error-port)
                                "~A: ~A\n\n"
                                key
                                args)
                 (display-backtrace (make-stack #t) (current-error-port)))))
           (lambda (key . args) #f)))
       (call-with-input-file file
         mbox->emails))

      (display "\n" (current-error-port)))
    (cdr (command-line)))))