cli: refactor "notmuch restore" message tagging into a separate function

Refactor to make tagging code easier to reuse in the future. No
functional changes.

Signed-off-by: Jani Nikula <jani@nikula.org>
This commit is contained in:
Jani Nikula 2012-03-27 00:04:11 +03:00 committed by David Bremner
parent 9605e62099
commit 7400e18fb5

View file

@ -20,6 +20,81 @@
#include "notmuch-client.h" #include "notmuch-client.h"
static int
tag_message (notmuch_database_t *notmuch, const char *message_id,
char *file_tags, notmuch_bool_t remove_all,
notmuch_bool_t synchronize_flags)
{
notmuch_status_t status;
notmuch_tags_t *db_tags;
char *db_tags_str;
notmuch_message_t *message = NULL;
const char *tag;
char *next;
int ret = 0;
status = notmuch_database_find_message (notmuch, message_id, &message);
if (status || message == NULL) {
fprintf (stderr, "Warning: Cannot apply tags to %smessage: %s\n",
message ? "" : "missing ", message_id);
if (status)
fprintf (stderr, "%s\n", notmuch_status_to_string(status));
return 1;
}
/* In order to detect missing messages, this check/optimization is
* intentionally done *after* first finding the message. */
if (!remove_all && (file_tags == NULL || *file_tags == '\0'))
goto DONE;
db_tags_str = NULL;
for (db_tags = notmuch_message_get_tags (message);
notmuch_tags_valid (db_tags);
notmuch_tags_move_to_next (db_tags)) {
tag = notmuch_tags_get (db_tags);
if (db_tags_str)
db_tags_str = talloc_asprintf_append (db_tags_str, " %s", tag);
else
db_tags_str = talloc_strdup (message, tag);
}
if (((file_tags == NULL || *file_tags == '\0') &&
(db_tags_str == NULL || *db_tags_str == '\0')) ||
(file_tags && db_tags_str && strcmp (file_tags, db_tags_str) == 0))
goto DONE;
notmuch_message_freeze (message);
if (remove_all)
notmuch_message_remove_all_tags (message);
next = file_tags;
while (next) {
tag = strsep (&next, " ");
if (*tag == '\0')
continue;
status = notmuch_message_add_tag (message, tag);
if (status) {
fprintf (stderr, "Error applying tag %s to message %s:\n",
tag, message_id);
fprintf (stderr, "%s\n", notmuch_status_to_string (status));
ret = 1;
}
}
notmuch_message_thaw (message);
if (synchronize_flags)
notmuch_message_tags_to_maildir_flags (message);
DONE:
if (message)
notmuch_message_destroy (message);
return ret;
}
int int
notmuch_restore_command (unused (void *ctx), int argc, char *argv[]) notmuch_restore_command (unused (void *ctx), int argc, char *argv[])
{ {
@ -88,11 +163,7 @@ notmuch_restore_command (unused (void *ctx), int argc, char *argv[])
while ((line_len = getline (&line, &line_size, input)) != -1) { while ((line_len = getline (&line, &line_size, input)) != -1) {
regmatch_t match[3]; regmatch_t match[3];
char *message_id, *file_tags, *tag, *next; char *message_id, *file_tags;
notmuch_message_t *message = NULL;
notmuch_status_t status;
notmuch_tags_t *db_tags;
char *db_tags_str;
chomp_newline (line); chomp_newline (line);
@ -109,72 +180,9 @@ notmuch_restore_command (unused (void *ctx), int argc, char *argv[])
file_tags = xstrndup (line + match[2].rm_so, file_tags = xstrndup (line + match[2].rm_so,
match[2].rm_eo - match[2].rm_so); match[2].rm_eo - match[2].rm_so);
status = notmuch_database_find_message (notmuch, message_id, &message); tag_message (notmuch, message_id, file_tags, !accumulate,
if (status || message == NULL) { synchronize_flags);
fprintf (stderr, "Warning: Cannot apply tags to %smessage: %s\n",
message ? "" : "missing ", message_id);
if (status)
fprintf (stderr, "%s\n",
notmuch_status_to_string(status));
goto NEXT_LINE;
}
/* In order to detect missing messages, this check/optimization is
* intentionally done *after* first finding the message. */
if (accumulate && (file_tags == NULL || *file_tags == '\0'))
{
goto NEXT_LINE;
}
db_tags_str = NULL;
for (db_tags = notmuch_message_get_tags (message);
notmuch_tags_valid (db_tags);
notmuch_tags_move_to_next (db_tags))
{
const char *tag = notmuch_tags_get (db_tags);
if (db_tags_str)
db_tags_str = talloc_asprintf_append (db_tags_str, " %s", tag);
else
db_tags_str = talloc_strdup (message, tag);
}
if (((file_tags == NULL || *file_tags == '\0') &&
(db_tags_str == NULL || *db_tags_str == '\0')) ||
(file_tags && db_tags_str && strcmp (file_tags, db_tags_str) == 0))
{
goto NEXT_LINE;
}
notmuch_message_freeze (message);
if (!accumulate)
notmuch_message_remove_all_tags (message);
next = file_tags;
while (next) {
tag = strsep (&next, " ");
if (*tag == '\0')
continue;
status = notmuch_message_add_tag (message, tag);
if (status) {
fprintf (stderr,
"Error applying tag %s to message %s:\n",
tag, message_id);
fprintf (stderr, "%s\n",
notmuch_status_to_string (status));
}
}
notmuch_message_thaw (message);
if (synchronize_flags)
notmuch_message_tags_to_maildir_flags (message);
NEXT_LINE:
if (message)
notmuch_message_destroy (message);
message = NULL;
free (message_id); free (message_id);
free (file_tags); free (file_tags);
} }