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Code Issues Releases Wiki Activity

Implement correct ForumTopic::canWrite logic.

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This commit is contained in:
John Preston
2022-10-25 11:20:22 +04:00
parent 1cd02fc3c9
commit 602ba5bba9
35 changed files with 363 additions and 144 deletions
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51
Telegram/SourceFiles/data/data_peer_values.cpp
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@@ -12,6 +12,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
#include "data/data_chat.h"
#include "data/data_user.h"
#include "data/data_changes.h"
#include "data/data_forum_topic.h"
#include "data/data_session.h"
#include "data/data_message_reactions.h"
#include "main/main_session.h"
@@ -201,10 +202,11 @@ rpl::producer<bool> CanWriteValue(ChatData *chat) {
});
}
rpl::producer<bool> CanWriteValue(ChannelData *channel) {
rpl::producer<bool> CanWriteValue(ChannelData *channel, bool checkForForum) {
using Flag = ChannelDataFlag;
const auto mask = 0
| Flag::Left
| Flag::Forum
| Flag::JoinToWrite
| Flag::HasLink
| Flag::Forbidden
@@ -221,15 +223,19 @@ rpl::producer<bool> CanWriteValue(ChannelData *channel) {
DefaultRestrictionValue(
channel,
ChatRestriction::SendMessages),
[](
[=](
ChannelDataFlags flags,
bool postMessagesRight,
bool sendMessagesRestriction,
bool defaultSendMessagesRestriction) {
const auto notAmInFlags = Flag::Left | Flag::Forbidden;
const auto forumRestriction = checkForForum
&& (flags & Flag::Forum);
const auto allowed = !(flags & notAmInFlags)
|| ((flags & Flag::HasLink) && !(flags & Flag::JoinToWrite));
return allowed && (postMessagesRight
return allowed
&& !forumRestriction
&& (postMessagesRight
|| (flags & Flag::Creator)
|| (!(flags & Flag::Broadcast)
&& !sendMessagesRestriction
@@ -237,17 +243,52 @@ rpl::producer<bool> CanWriteValue(ChannelData *channel) {
});
}
rpl::producer<bool> CanWriteValue(not_null<PeerData*> peer) {
rpl::producer<bool> CanWriteValue(
not_null<PeerData*> peer,
bool checkForForum) {
if (auto user = peer->asUser()) {
return CanWriteValue(user);
} else if (auto chat = peer->asChat()) {
return CanWriteValue(chat);
} else if (auto channel = peer->asChannel()) {
return CanWriteValue(channel);
return CanWriteValue(channel, checkForForum);
}
Unexpected("Bad peer value in CanWriteValue");
}
rpl::producer<bool> CanWriteValue(not_null<ForumTopic*> topic) {
using Flag = ChannelDataFlag;
const auto mask = 0
| Flag::Left
| Flag::JoinToWrite
| Flag::Forum
| Flag::Forbidden;
const auto channel = topic->channel();
return rpl::combine(
PeerFlagsValue(channel.get(), mask),
RestrictionValue(
channel,
ChatRestriction::SendMessages),
DefaultRestrictionValue(
channel,
ChatRestriction::SendMessages),
topic->session().changes().topicFlagsValue(
topic,
TopicUpdate::Flag::Closed),
[=](
ChannelDataFlags flags,
bool sendMessagesRestriction,
bool defaultSendMessagesRestriction,
auto) {
const auto notAmInFlags = Flag::Left | Flag::Forbidden;
const auto allowed = !(flags & notAmInFlags);
return allowed
&& !sendMessagesRestriction
&& !defaultSendMessagesRestriction
&& (!topic->closed() || topic->canToggleClosed());
});
}
// This is duplicated in PeerData::canPinMessages().
rpl::producer<bool> CanPinMessagesValue(not_null<PeerData*> peer) {
using namespace rpl::mappers;