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database: Allowing storing multiple filenames for a single message ID.

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The library interface is unchanged so far, (still just
notmuch_database_add_message), but internally, the old
_set_filename function is now _add_filename instead.
This commit is contained in:
Carl Worth 2009-12-21 12:08:46 -08:00
parent 6ca6c089e9
commit 1376a90db6
4 changed files with 23 additions and 20 deletions
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24
lib/database.cc
View file

@ -843,7 +843,6 @@ notmuch_database_get_directory_mtime (notmuch_database_t *notmuch,
notmuch_private_status_t status;
const char *db_path = NULL;
time_t ret = 0;
void *local = talloc_new (notmuch);
db_path = directory_db_path (path);
@ -1188,24 +1187,25 @@ notmuch_database_add_message (notmuch_database_t *notmuch,
goto DONE;
}
_notmuch_message_add_filename (message, filename);
/* Is this a newly created message object? */
if (private_status == NOTMUCH_PRIVATE_STATUS_NO_DOCUMENT_FOUND) {
_notmuch_message_set_filename (message, filename);
_notmuch_message_add_term (message, "type", "mail");
ret = _notmuch_database_link_message (notmuch, message,
message_file);
if (ret)
goto DONE;
date = notmuch_message_file_get_header (message_file, "date");
_notmuch_message_set_date (message, date);
_notmuch_message_index_file (message, filename);
} else {
ret = NOTMUCH_STATUS_DUPLICATE_MESSAGE_ID;
goto DONE;
}
ret = _notmuch_database_link_message (notmuch, message, message_file);
if (ret)
goto DONE;
date = notmuch_message_file_get_header (message_file, "date");
_notmuch_message_set_date (message, date);
_notmuch_message_index_file (message, filename);
_notmuch_message_sync (message);
} catch (const Xapian::Error &error) {
fprintf (stderr, "A Xapian exception occurred adding message: %s.\n",

7
lib/message.cc
View file

@ -385,15 +385,12 @@ notmuch_message_get_replies (notmuch_message_t *message)
return _notmuch_messages_create (message->replies);
}
/* Set the filename for 'message' to 'filename'.
*
* XXX: We should still figure out if we think it's important to store
* multiple filenames for email messages with identical message IDs.
/* Add an additional 'filename' for 'message'.
*
* This change will not be reflected in the database until the next
* call to _notmuch_message_set_sync. */
notmuch_status_t
_notmuch_message_set_filename (notmuch_message_t *message,
_notmuch_message_add_filename (notmuch_message_t *message,
const char *filename)
{
const char *relative, *directory, *basename;

2
lib/notmuch-private.h
View file

@ -211,7 +211,7 @@ _notmuch_message_gen_terms (notmuch_message_t *message,
const char *text);
notmuch_status_t
_notmuch_message_set_filename (notmuch_message_t *message,
_notmuch_message_add_filename (notmuch_message_t *message,
const char *filename);
void

10
lib/notmuch.h
View file

@ -698,14 +698,20 @@ notmuch_message_get_thread_id (notmuch_message_t *message);
notmuch_messages_t *
notmuch_message_get_replies (notmuch_message_t *message);
/* Get the filename for the email corresponding to 'message'.
/* Get a filename for the email corresponding to 'message'.
*
* The returned filename is an absolute filename, (the initial
* component will match notmuch_database_get_path() ).
*
* The returned string belongs to the message so should not be
* modified or freed by the caller (nor should it be referenced after
* the message is destroyed). */
* the message is destroyed).
*
* Note: If this message corresponds to multiple files in the mail
* store, (that is, multiple files contain identical message IDs),
* this function will arbitrarily return a single one of those
* filenames.
*/
const char *
notmuch_message_get_filename (notmuch_message_t *message);