From 02a48a7c8ab05ab9444c116d6b0b263e06a866f2 Mon Sep 17 00:00:00 2001
From: Tom Willemse <tom@ryuslash.org>
Date: Fri, 1 Jul 2022 23:19:21 -0700
Subject: [PATCH] [notmuch] Automatically create tasks in org-mode for Fido
 emails

---
 .../.config/notmuch/default/hooks/post-new    |  8 ++++
 notmuch/usr/bin/notmuch-collect-tasks         | 42 +++++++++++++++++++
 2 files changed, 50 insertions(+)
 create mode 100755 notmuch/.config/notmuch/default/hooks/post-new
 create mode 100755 notmuch/usr/bin/notmuch-collect-tasks

diff --git a/notmuch/.config/notmuch/default/hooks/post-new b/notmuch/.config/notmuch/default/hooks/post-new
new file mode 100755
index 0000000..28ba263
--- /dev/null
+++ b/notmuch/.config/notmuch/default/hooks/post-new
@@ -0,0 +1,8 @@
+#!/usr/bin/env sh
+# -*- mode: scheme; -*-
+IFS=" "
+exec scsh -e main -s "$0" "$@"
+!#
+
+(define (main . args)
+  (run (notmuch-collect-tasks ,(format #f "~a/documents/gtd/inbox.org" (getenv "HOME")))))
diff --git a/notmuch/usr/bin/notmuch-collect-tasks b/notmuch/usr/bin/notmuch-collect-tasks
new file mode 100755
index 0000000..4eff658
--- /dev/null
+++ b/notmuch/usr/bin/notmuch-collect-tasks
@@ -0,0 +1,42 @@
+#!/usr/bin/env sh
+# -*- mode: scheme; -*-
+IFS=" "
+exec scsh -e main -s "$0" "$@"
+!#
+
+(define message-query
+  '(from:fidobill@fidomobile.ca
+    and "subject:Your Fido bill is ready"))
+
+(define processed-tag-name "processed")
+
+(define (message->task message)
+  (let ((query (caadr (member ':query message)))
+        (subject (cadr (member ':subject message)))
+        (date (format-date "~Y-~m-~d ~a ~H:~M" (date))))
+    (format #f "* TODO ~a
+:PROPERTIES:
+:CREATED:  [~a]
+:END:
+
+[[notmuch:~a][~a]]" subject date query subject)))
+
+(define (print-task task)
+  (format #t "~a~%~%" task))
+
+(define (main args)
+  (let ((output-file (cadr args))
+        (messages (run/sexp
+                   (notmuch search --format=sexp
+                            ,@message-query
+                            and not ,(format #f "tag:~a" processed-tag-name)))))
+    (with-current-output-port
+     (open-output-file output-file (file-options create append))
+     (for-each (lambda (message)
+                 (print-task (message->task message)))
+               messages))
+    (run (notmuch tag ,(format #f "+~a" processed-tag-name) ,@message-query)
+         (> /dev/null))
+    (format #t "Created ~a task~a~%"
+            (length messages)
+            (if (= 1 (length messages)) "" "s"))))