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message: retain non-file flags when moving

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The content-flags won't change, and the unread-flag can be re-calculated.

Add a unit test, and some small doc improvements.

Fixes #2831.
This commit is contained in:
Dirk-Jan C. Binnema
2025-05-24 16:05:05 +03:00
parent 3e05452343
commit ec3b55f2ab
5 changed files with 95 additions and 25 deletions
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7
lib/message/mu-flags.hh
View File

@ -1,5 +1,5 @@
/*
** Copyright (C) 2022-2023 Dirk-Jan C. Binnema <djcb@djcbsoftware.nl>
** Copyright (C) 2022-2025 Dirk-Jan C. Binnema <djcb@djcbsoftware.nl>
**
** This program is free software; you can redistribute it and/or modify it
** under the terms of the GNU General Public License as published by the
@ -86,7 +86,7 @@ enum struct MessageFlagCategory {
};
/**
* Info about invidual message flags
* Info about individual message flags
*
*/
struct MessageFlagInfo {
@ -373,9 +373,6 @@ flags_maildir_file(Flags flags)
return flags;
}
/**
* Return flags, where flags = new_flags but with unmutable_flag in the
* result the same as in old_flags

8
lib/message/mu-message.cc
View File

@ -881,6 +881,14 @@ Message::update_after_move(const std::string& new_path,
priv_->doc.add(Field::Id::Path, new_path);
priv_->doc.add(Field::Id::Changed, priv_->ctime);
// note: content-flags are retained from the existing; the unread flag
// is implied. only file-flags are allowed for new_flags; anything else
// is filtered-out
new_flags = flags_maildir_file(new_flags);
new_flags |= flags_filter(flags(), MessageFlagCategory::Content);
new_flags = imply_unread(new_flags);
set_flags(new_flags);
if (const auto res = set_maildir(sanitize_maildir(new_maildir)); !res)

20
lib/message/mu-message.hh
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@ -1,5 +1,5 @@
/*
** Copyright (C) 2022-2024 Dirk-Jan C. Binnema <djcb@djcbsoftware.nl>
** Copyright (C) 2022-2025 Dirk-Jan C. Binnema <djcb@djcbsoftware.nl>
**
** This program is free software; you can redistribute it and/or modify it
** under the terms of the GNU General Public License as published by the
@ -292,11 +292,10 @@ public:
*/
Flags flags() const { return document().flags_value(); }
/**
* Update the flags for this message. This is useful for flags
* that can only be determined after the message has been created already,
* such as the 'personal' flag.
* Update the flags for this message. This is useful for flags that can
* only be determined after the message has been created already, such
* as the 'personal' flag.
*
* @param flags new flags.
*/
@ -366,11 +365,14 @@ public:
*/
const Sexp& sexp() const;
/*
* And some non-const message, for updating an existing
* message after a file-system move.
/**
* Update the message after a move
*
* @return Ok or an error.
* @param new_path the new file-system path; non-file flags are ignored
* @param new_maildir the new maildir
* @param new_flags the new flags
*
* @return Ok() or some error.
*/
Result<void> update_after_move(const std::string& new_path,
const std::string& new_maildir,

20
lib/mu-store.hh
View File

@ -1,5 +1,5 @@
/*
** Copyright (C) 2024 Dirk-Jan C. Binnema <djcb@djcbsoftware.nl>
** Copyright (C) 2017-2025 Dirk-Jan C. Binnema <djcb@djcbsoftware.nl>
**
** This program is free software; you can redistribute it and/or modify it
** under the terms of the GNU General Public License as published by the
@ -306,20 +306,24 @@ public:
};
/**
* Move a message both in the filesystem and in the store. After a successful move, the
* message is updated.
* Move a message both in the filesystem and in the store.
*
* After a successful move, the message is updated. A moved message gets
* a new doc-id, since the message-path is a unique-id for the message
*
* @param id the id for some message
* @param target_mdir the target maildir (if any)
* @param new_flags new flags (if any)
* @param opts move options
*
* @return Result, either an IdPathVec with ids and paths for the moved message(s) or some
* error. Note that in case of success at least one message is returned, and only with
* MoveOptions::DupFlags can it be more than one.
* @return Result, either an IdPathVec with ids and paths for the moved
* message(s) or some error. Note that in case of success at least one
* message is returned, and only with MoveOptions::DupFlags can it be
* more than one.
*
* The first element of the IdPathVec, is the main message that got move; any subsequent
* (if any) are the duplicate paths, sorted by path-name.
* The first element of the IdPathVec, is the main message that got
* move; any subsequent (if any) are the duplicate paths, sorted by
* path-name.
*/
Result<IdPathVec> move_message(Store::Id id,
Option<const std::string&> target_mdir = Nothing,