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/* Copyright (c) 2002-2018 Dovecot authors, see the included COPYING file */
#include "lib.h"
#include "mail-storage-private.h"
#include "mailbox-recent-flags.h"
void mailbox_recent_flags_set_uid(struct mailbox *box, uint32_t uid)
{
if (uid <= box->recent_flags_prev_uid) {
if (seq_range_exists(&box->recent_flags, uid))
return;
mailbox_set_critical(box, "Recent flags state corrupted");
array_clear(&box->recent_flags);
box->recent_flags_count = 0;
}
mailbox_recent_flags_set_uid_forced(box, uid);
}
void mailbox_recent_flags_set_uid_forced(struct mailbox *box, uint32_t uid)
{
box->recent_flags_prev_uid = uid;
if (!mailbox_recent_flags_have_uid(box, uid)) {
seq_range_array_add_with_init(&box->recent_flags, 64, uid);
box->recent_flags_count++;
}
}
void mailbox_recent_flags_set_seqs(struct mailbox *box,
struct mail_index_view *view,
uint32_t seq1, uint32_t seq2)
{
uint32_t uid;
for (; seq1 <= seq2; seq1++) {
mail_index_lookup_uid(view, seq1, &uid);
mailbox_recent_flags_set_uid(box, uid);
}
}
bool mailbox_recent_flags_have_uid(struct mailbox *box, uint32_t uid)
{
return array_is_created(&box->recent_flags) &&
seq_range_exists(&box->recent_flags, uid);
}
void mailbox_recent_flags_reset(struct mailbox *box)
{
if (array_is_created(&box->recent_flags))
array_clear(&box->recent_flags);
box->recent_flags_count = 0;
box->recent_flags_prev_uid = 0;
}
unsigned int mailbox_recent_flags_count(struct mailbox *box)
{
const struct mail_index_header *hdr;
const struct seq_range *range;
unsigned int i, count, recent_count;
if (!array_is_created(&box->recent_flags))
return 0;
hdr = mail_index_get_header(box->view);
recent_count = box->recent_flags_count;
range = array_get(&box->recent_flags, &count);
for (i = count; i > 0; ) {
i--;
if (range[i].seq2 < hdr->next_uid)
break;
if (range[i].seq1 >= hdr->next_uid) {
/* completely invisible to this view */
recent_count -= range[i].seq2 - range[i].seq1 + 1;
} else {
/* partially invisible */
recent_count -= range[i].seq2 - hdr->next_uid + 1;
break;
}
}
return recent_count;
}
void mailbox_recent_flags_expunge_seqs(struct mailbox *box,
uint32_t seq1, uint32_t seq2)
{
uint32_t uid;
if (!array_is_created(&box->recent_flags))
return;
for (; seq1 <= seq2; seq1++) {
mail_index_lookup_uid(box->view, seq1, &uid);
if (seq_range_array_remove(&box->recent_flags, uid))
box->recent_flags_count--;
}
}
void mailbox_recent_flags_expunge_uid(struct mailbox *box, uint32_t uid)
{
if (array_is_created(&box->recent_flags)) {
if (seq_range_array_remove(&box->recent_flags, uid))
box->recent_flags_count--;
}
}
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