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make to_ids const in some places, and simplify returns from create_or_lookup_adhoc_group

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This commit is contained in:
holger krekel
2019-12-04 13:25:28 +01:00
parent 86baaab2e9
commit 63ad7b8d34
3 changed files with 74 additions and 73 deletions
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132
src/dc_receive_imf.rs
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@@ -422,8 +422,7 @@ fn add_parts(
*from_id,
to_ids,
)?;
if new_chat_id != 0 && chat_id_blocked != Blocked::Not && create_blocked == Blocked::Not
{
if chat_id_blocked != Blocked::Not && create_blocked == Blocked::Not {
chat::unblock(context, new_chat_id);
}
*chat_id = new_chat_id;
@@ -514,8 +513,9 @@ fn add_parts(
*from_id,
to_ids,
)?;
if new_chat_id != 0 && chat_id_blocked != Blocked::Not {
chat::unblock(context, *chat_id);
// automatically unblock chat when the user sends a message
if chat_id_blocked != Blocked::Not {
chat::unblock(context, new_chat_id);
}
*chat_id = new_chat_id;
}
@@ -785,7 +785,7 @@ fn calc_timestamps(
/// - is there a group with the same recipients? if so, use this (if there are multiple, use the most recent one)
/// - create an ad-hoc group based on the recipient list
///
/// So when the function returns, the caller has the group id matching the current state of the group.
/// on success the function returns the found/created (chat_id, chat_blocked) tuple .
#[allow(non_snake_case)]
fn create_or_lookup_group(
context: &Context,
@@ -793,9 +793,8 @@ fn create_or_lookup_group(
allow_creation: i32,
create_blocked: Blocked,
from_id: u32,
to_ids: &mut Vec<u32>,
to_ids: &Vec<u32>,
) -> Result<(u32, Blocked)> {
let group_explicitly_left: bool;
let mut chat_id_blocked = Blocked::Not;
let mut grpid = "".to_string();
let mut grpname = None;
@@ -808,17 +807,6 @@ fn create_or_lookup_group(
let mut X_MrGrpImageChanged = "".to_string();
let mut better_msg: String = From::from("");
let cleanup = |chat_id: u32, chat_id_blocked: Blocked| {
Ok((
chat_id,
if 0 != chat_id {
chat_id_blocked
} else {
Blocked::Not
},
))
};
if mime_parser.is_system_message == SystemMessage::LocationStreamingEnabled {
better_msg =
context.stock_system_msg(StockMessage::MsgLocationEnabled, "", "", from_id as u32)
@@ -847,15 +835,18 @@ fn create_or_lookup_group(
}
if grpid.is_empty() {
let (new_chat_id, new_chat_id_blocked) = create_or_lookup_adhoc_group(
return create_or_lookup_adhoc_group(
context,
mime_parser,
allow_creation,
create_blocked,
from_id,
to_ids,
)?;
return cleanup(new_chat_id, new_chat_id_blocked);
)
.map_err(|err| {
info!(context, "could not create adhoc-group: {:?}", err);
err
});
}
}
}
@@ -935,26 +926,29 @@ fn create_or_lookup_group(
// check, if we have a chat with this group ID
let (mut chat_id, chat_id_verified, _blocked) = chat::get_chat_id_by_grpid(context, &grpid);
if chat_id != 0 && chat_id_verified {
if let Err(err) = check_verified_properties(context, mime_parser, from_id as u32, to_ids) {
warn!(context, "verification problem: {}", err);
let s = format!("{}. See 'Info' for more details", err);
mime_parser.repl_msg_by_error(s);
if chat_id != 0 {
if chat_id_verified {
if let Err(err) =
check_verified_properties(context, mime_parser, from_id as u32, to_ids)
{
warn!(context, "verification problem: {}", err);
let s = format!("{}. See 'Info' for more details", err);
mime_parser.repl_msg_by_error(s);
}
}
// check if the sender is a member of the existing group -
// if not, we'll recreate the group list
if !chat::is_contact_in_chat(context, chat_id, from_id as u32) {
recreate_member_list = 1;
}
}
// check if the sender is a member of the existing group -
// if not, we'll recreate the group list
if chat_id != 0 && !chat::is_contact_in_chat(context, chat_id, from_id as u32) {
recreate_member_list = 1;
}
// check if the group does not exist but should be created
group_explicitly_left = chat::is_group_explicitly_left(context, &grpid).unwrap_or_default();
let group_explicitly_left = chat::is_group_explicitly_left(context, &grpid).unwrap_or_default();
let self_addr = context
.get_config(Config::ConfiguredAddr)
.unwrap_or_default();
if chat_id == 0
&& !mime_parser.is_mailinglist_message()
&& !grpid.is_empty()
@@ -977,9 +971,7 @@ fn create_or_lookup_group(
mime_parser.repl_msg_by_error(&s);
}
}
if 0 == allow_creation {
return cleanup(chat_id, chat_id_blocked);
}
ensure!(allow_creation != 0, "creating group forbidden by caller");
chat_id = create_group_record(
context,
&grpid,
@@ -993,21 +985,22 @@ fn create_or_lookup_group(
// again, check chat_id
if chat_id <= DC_CHAT_ID_LAST_SPECIAL {
if group_explicitly_left {
chat_id = DC_CHAT_ID_TRASH;
return if group_explicitly_left {
Ok((DC_CHAT_ID_TRASH, chat_id_blocked))
} else {
let (new_chat_id, new_chat_id_blocked) = create_or_lookup_adhoc_group(
create_or_lookup_adhoc_group(
context,
mime_parser,
allow_creation,
create_blocked,
from_id,
to_ids,
)?;
chat_id = new_chat_id;
chat_id_blocked = new_chat_id_blocked;
}
return cleanup(chat_id, chat_id_blocked);
)
.map_err(|err| {
warn!(context, "failed to create ad-hoc group: {:?}", err);
err
})
};
}
// execute group commands
@@ -1112,13 +1105,12 @@ fn create_or_lookup_group(
}
// check the number of receivers -
// the only critical situation is if the user hits "Reply" instead of "Reply all" in a non-messenger-client */
// the only critical situation is if the user hits "Reply" instead
// of "Reply all" in a non-messenger-client */
if to_ids_cnt == 1 && !mime_parser.is_send_by_messenger {
let is_contact_cnt = chat::get_chat_contact_cnt(context, chat_id);
if is_contact_cnt > 3 {
if chat::get_chat_contact_cnt(context, chat_id) > 3 {
// to_ids_cnt==1 may be "From: A, To: B, SELF" as SELF is not counted in to_ids_cnt.
// So everything up to 3 is no error.
chat_id = 0;
create_or_lookup_adhoc_group(
context,
mime_parser,
@@ -1126,30 +1118,31 @@ fn create_or_lookup_group(
create_blocked,
from_id,
to_ids,
)?;
)
.map_err(|err| {
warn!(context, "could not create ad-hoc group: {:?}", err);
err
})?;
}
}
return cleanup(chat_id, chat_id_blocked);
return Ok((chat_id, chat_id_blocked));
}
/// Handle groups for received messages
/// Handle groups for received messages, return chat_id/Blocked status on success
fn create_or_lookup_adhoc_group(
context: &Context,
mime_parser: &MimeParser,
allow_creation: i32,
create_blocked: Blocked,
from_id: u32,
to_ids: &mut Vec<u32>,
to_ids: &Vec<u32>,
) -> Result<(u32, Blocked)> {
// if we're here, no grpid was found, check there is an existing ad-hoc
// group matching the to-list or if we can create one
// if we're here, no grpid was found, check there if is an existing ad-hoc
// group matching the to-list or if we should and can create one
ensure!(!to_ids.is_empty(), "empty To-list");
ensure!(
!mime_parser.is_mailinglist_message(),
"mailing-list message"
);
if to_ids.is_empty() || mime_parser.is_mailinglist_message() {
return Ok((0, Blocked::Not));
}
let mut member_ids = to_ids.clone();
if !member_ids.contains(&from_id) {
@@ -1158,11 +1151,10 @@ fn create_or_lookup_adhoc_group(
if !member_ids.contains(&DC_CONTACT_ID_SELF) {
member_ids.push(DC_CONTACT_ID_SELF);
}
ensure!(
member_ids.len() >= 3,
"Num-contacts={} too low",
member_ids.len()
);
if member_ids.len() < 3 {
return Ok((0, Blocked::Not));
}
let chat_ids = search_chat_ids_by_contact_ids(context, &member_ids)?;
if !chat_ids.is_empty() {
@@ -1185,10 +1177,10 @@ fn create_or_lookup_adhoc_group(
}
}
ensure!(
allow_creation != 0,
"creating ad-hoc group prevented from caller"
);
if allow_creation == 0 {
info!(context, "creating ad-hoc group prevented from caller");
return Ok((0, Blocked::Not));
}
// we do not check if the message is a reply to another group, this may result in
// chats with unclear member list. instead we create a new group in the following lines ...