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fix: get_chat_msgs_ex(): Report local midnight in ChatItem::DayMarker

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We were reporting the UTC midnight timestamp instead. For UTC-N timezones that means reporting
"yesterday".

Fixes https://github.com/deltachat/deltachat-desktop/issues/5215.
This commit is contained in:
iequidoo
2025-07-30 11:59:14 -03:00
committed by iequidoo
parent db247d9f9a
commit c218c05b96
3 changed files with 10 additions and 5 deletions
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4
deltachat-ffi/deltachat.h
View File

@@ -1332,12 +1332,14 @@ dc_msg_t* dc_get_draft (dc_context_t* context, uint32_t ch
* Optionally, some special markers added to the ID array may help to
* implement virtual lists.
*
* To get the concrete time of the message, use dc_array_get_timestamp().
*
* @memberof dc_context_t
* @param context The context object as returned from dc_context_new().
* @param chat_id The chat ID of which the messages IDs should be queried.
* @param flags If set to DC_GCM_ADDDAYMARKER, the marker DC_MSG_ID_DAYMARKER will
* be added before each day (regarding the local timezone). Set this to 0 if you do not want this behaviour.
* To get the concrete time of the marker, use dc_array_get_timestamp().
* The day marker timestamp is the midnight one for the corresponding (following) day in the local timezone.
* If set to DC_GCM_INFO_ONLY, only system messages will be returned, can be combined with DC_GCM_ADDDAYMARKER.
* @param marker1before Deprecated, set this to 0.
* @return Array of message IDs, must be dc_array_unref()'d when no longer used.

6
deltachat-jsonrpc/src/api.rs
View File

@@ -1227,8 +1227,10 @@ impl CommandApi {
}
/// Returns all messages of a particular chat.
/// If `add_daymarker` is `true`, it will return them as
/// `DC_MSG_ID_DAYMARKER`, e.g. [1234, 1237, 9, 1239].
///
/// * `add_daymarker` - If `true`, add day markers as `DC_MSG_ID_DAYMARKER` to the result,
/// e.g. [1234, 1237, 9, 1239]. The day marker timestamp is the midnight one for the
/// corresponding (following) day in the local timezone.
async fn get_message_ids(
&self,
account_id: u32,

5
src/chat.rs
View File

@@ -3323,10 +3323,11 @@ pub async fn get_chat_msgs_ex(
for (ts, curr_id) in sorted_rows {
if add_daymarker {
let curr_local_timestamp = ts + cnv_to_local;
let curr_day = curr_local_timestamp / 86400;
let secs_in_day = 86400;
let curr_day = curr_local_timestamp / secs_in_day;
if curr_day != last_day {
ret.push(ChatItem::DayMarker {
timestamp: curr_day * 86400, // Convert day back to Unix timestamp
timestamp: curr_day * secs_in_day - cnv_to_local,
});
last_day = curr_day;
}