mu4e: implement resending

Implement the special compose type 'resend', for resending existing
messages, possibly with changes.
This commit is contained in:
djcb 2016-02-16 08:13:03 +02:00
parent cf9970ccd4
commit b72db626f3
3 changed files with 77 additions and 58 deletions

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@ -386,10 +386,10 @@ message-thread by removing the In-Reply-To header."
"Create a new draft message, or open an existing one.
COMPOSE-TYPE determines the kind of message to compose and is a
symbol, either `reply', `forward', `edit', `new'. `edit' is for
editing existing messages. When COMPOSE-TYPE is `reply' or
`forward', MSG should be a message plist. If COMPOSE-TYPE is
`new', ORIGINAL-MSG should be nil.
symbol, either `reply', `forward', `edit', `resend' `new'. `edit'
is for editing existing (draft) messages. When COMPOSE-TYPE is
`reply' or `forward', MSG should be a message plist. If
COMPOSE-TYPE is `new', ORIGINAL-MSG should be nil.
Optionally (when forwarding, replying) ORIGINAL-MSG is the original
message we will forward / reply to.
@ -406,7 +406,6 @@ tempfile)."
(set (make-local-variable 'mu4e-compose-parent-message) original-msg)
(put 'mu4e-compose-parent-message 'permanent-local t)
;; maybe switch the context
(message "Autoswitch")
(mu4e~context-autoswitch mu4e-compose-parent-message
mu4e-compose-context-policy)
(run-hooks 'mu4e-compose-pre-hook)
@ -414,7 +413,7 @@ tempfile)."
;; this opens (or re-opens) a messages with all the basic headers set.
(condition-case nil
(mu4e-draft-open compose-type original-msg)
(quit (kill-buffer) (message "[mu4e] Operation aborted")
(quit (kill-buffer) (mu4e-message "Operation aborted")
(return-from mu4e~compose-handler)))
;; insert mail-header-separator, which is needed by message mode to separate
;; headers and body. will be removed before saving to disk
@ -532,15 +531,15 @@ buffer."
(mu4e~proc-move (match-string 1 forwarded-from) nil "+P-N")))))))
(defun mu4e-compose (compose-type)
"Start composing a message of COMPOSE-TYPE, where COMPOSE-TYPE is
a symbol, one of `reply', `forward', `edit', `new'. All but `new'
take the message at point as input. Symbol `edit' is only allowed
for draft messages."
"Start composing a message of COMPOSE-TYPE, where COMPOSE-TYPE
is a symbol, one of `reply', `forward', `edit', `resend'
`new'. All but `new' take the message at point as input. Symbol
`edit' is only allowed for draft messages."
(let ((msg (mu4e-message-at-point 'noerror)))
;; some sanity checks
(unless (or msg (eq compose-type 'new))
(mu4e-warn "No message at point"))
(unless (member compose-type '(reply forward edit new))
(unless (member compose-type '(reply forward edit resend new))
(mu4e-error "Invalid compose type '%S'" compose-type))
(when (and (eq compose-type 'edit)
(not (member 'draft (mu4e-message-field msg :flags))))
@ -584,6 +583,11 @@ draft message."
(interactive)
(mu4e-compose 'edit))
(defun mu4e-compose-resend ()
"Resend the message at point in the headers buffer."
(interactive)
(mu4e-compose 'resend))
(defun mu4e-compose-new ()
"Start writing a new message."
(interactive)

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@ -402,54 +402,69 @@ fields will be the same as in the original."
"The drafts-folder for this compose buffer, based on
`mu4e-drafts-folder', which is evaluated once.")
(defun mu4e-draft-open (compose-type &optional msg)
"Open a draft file for a new message (when COMPOSE-TYPE is reply, forward or new),
or open an existing draft (when COMPOSE-TYPE is edit).
(defun mu4e~draft-open-file (path)
"Open the the draft file at PATH."
(if (and mu4e-compose-in-new-frame (window-system))
(find-file-other-frame path)
(find-file path)))
The name of the draft folder is constructed from the concatenation
of `mu4e-maildir' and `mu4e-drafts-folder' (the latter will be
evaluated). The message file name is a unique name determined by
`mu4e-send-draft-file-name'. The initial contents will be created
from either `mu4e~draft-reply-construct', or
(defun mu4e~draft-determine-path (draft-dir)
"Determine the path for a new draft file."
(format "%s/%s/cur/%s"
mu4e-maildir draft-dir (mu4e~draft-message-filename-construct "DS")))
(defun mu4e-draft-open (compose-type &optional msg)
"Open a draft file for a new message (when COMPOSE-TYPE is `reply', `forward' or `new'),
open an existing draft (when COMPOSE-TYPE is `edit'), or re-send
an existing message (when COMPOSE-TYPE is `resend').
The name of the draft folder is constructed from the
concatenation of `mu4e-maildir' and `mu4e-drafts-folder' (the
latter will be evaluated). The message file name is a unique name
determined by `mu4e-send-draft-file-name'. The initial contents
will be created from either `mu4e~draft-reply-construct', or
`mu4e~draft-forward-construct' or `mu4e~draft-newmsg-construct'."
(unless mu4e-maildir (mu4e-error "mu4e-maildir not set"))
(let ((draft-dir))
(if (eq compose-type 'edit)
;; case-1: re-editing a draft messages. in this case, we do know the full
;; path, but we cannot really know 'drafts folder'... we make a guess
(progn
(let ((draft-dir nil))
(case compose-type
(edit
;; case-1: re-editing a draft messages. in this case, we do know the full
;; path, but we cannot really know 'drafts folder'... we make a guess
(setq draft-dir (mu4e~guess-maildir (mu4e-message-field msg :path)))
(if (and mu4e-compose-in-new-frame (window-system))
(find-file-other-frame (mu4e-message-field msg :path))
(find-file (mu4e-message-field msg :path))))
;; case-2: creating a new message; in this case, we can determing
;; mu4e-get-drafts-folder
(progn
(mu4e~draft-open-file (mu4e-message-field msg :path)))
(resend
;; case-2: copy some exisisting message to a draft message, then edit
;; that.
(setq draft-dir (mu4e~guess-maildir (mu4e-message-field msg :path)))
(let ((draft-path (mu4e~draft-determine-path draft-dir)))
(copy-file (mu4e-message-field msg :path) draft-path)
(mu4e~draft-open-file draft-path)))
((reply forward new)
;; case-3: creating a new message; in this case, we can determing
;; mu4e-get-drafts-folder
(setq draft-dir (mu4e-get-drafts-folder msg))
(let ((draft-path
(format "%s/%s/cur/%s"
mu4e-maildir
draft-dir
(mu4e~draft-message-filename-construct "DS")))
(initial-contents
(case compose-type
(reply (mu4e~draft-reply-construct msg))
(forward (mu4e~draft-forward-construct msg))
(new (mu4e~draft-newmsg-construct))
(t (mu4e-error "unsupported compose-type %S" compose-type)))))
(if (and mu4e-compose-in-new-frame (window-system))
(find-file-other-frame draft-path)
(find-file draft-path))
(insert initial-contents))
(newline)
;; include the message signature (if it's set)
(if (and mu4e-compose-signature-auto-include mu4e-compose-signature)
(let ((message-signature mu4e-compose-signature))
(save-excursion
(message-insert-signature)
(mu4e~fontify-signature))))))
;; evaluate mu4e~drafts-drafts-folder once, here, and use that value
;; throughout.
(let ((draft-path (mu4e~draft-determine-path draft-dir))
(initial-contents
(case compose-type
(reply (mu4e~draft-reply-construct msg))
(forward (mu4e~draft-forward-construct msg))
(new (mu4e~draft-newmsg-construct)))))
(mu4e~draft-open-file draft-path)
(insert initial-contents)
(newline)
;; include the message signature (if it's set)
(if (and mu4e-compose-signature-auto-include mu4e-compose-signature)
(let ((message-signature mu4e-compose-signature))
(save-excursion
(message-insert-signature)
(mu4e~fontify-signature))))))
(t (mu4e-error "unsupported compose-type %S" compose-type)))
;; evaluate mu4e~drafts-drafts-folder once, here, and use that value
;; throughout.
(set (make-local-variable 'mu4e~draft-drafts-folder) draft-dir)
(put 'mu4e~draft-drafts-folder 'permanent-local t)
(unless mu4e~draft-drafts-folder

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@ -435,13 +435,13 @@ e.g. '/drafts'.
(defun mu4e~proc-compose (type decrypt &optional docid)
"Start composing a message of certain TYPE (a symbol, either
`forward', `reply', `edit' or `new', based on an original
message (ie, replying to, forwarding, editing) with DOCID or nil
for type `new'.
`forward', `reply', `edit', `resend' or `new', based on an
original message (ie, replying to, forwarding, editing,
resending) with DOCID or nil for type `new'.
The result will be delivered to the function registered as
`mu4e-compose-func'."
(unless (member type '(forward reply edit new))
(unless (member type '(forward reply edit resend new))
(mu4e-error "Unsupported compose-type %S" type))
(unless (eq (null docid) (eq type 'new))
(mu4e-error "`new' implies docid not-nil, and vice-versa"))