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feat: improved state store

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This commit is contained in:
Timo Kösters 2020-12-19 16:00:11 +01:00
parent 6e5b35ea92
commit 6606e41dde
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GPG key ID: 24DA7517711A2BA4
13 changed files with 405 additions and 251 deletions
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111
src/client_server/sync.rs
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@ -102,9 +102,15 @@ pub async fn sync_events_route(
}
// Database queries:
let encrypted_room = db
.rooms
.room_state_get(&room_id, &EventType::RoomEncryption, "")?
let current_state = db.rooms.room_state_full(&room_id)?;
let current_members = current_state
.iter()
.filter(|(key, _)| key.0 == EventType::RoomMember)
.map(|(key, value)| (&key.1, value)) // Only keep state key
.collect::<Vec<_>>();
let encrypted_room = current_state
.get(&(EventType::RoomEncryption, "".to_owned()))
.is_some();
// These type is Option<Option<_>>. The outer Option is None when there is no event between
@ -117,45 +123,45 @@ pub async fn sync_events_route(
.as_ref()
.map(|pdu| db.rooms.pdu_state_hash(&pdu.as_ref().ok()?.0).ok()?);
let since_members = since_state_hash.as_ref().map(|state_hash| {
state_hash.as_ref().and_then(|state_hash| {
db.rooms
.state_type(&state_hash, &EventType::RoomMember)
.ok()
})
let since_state = since_state_hash.as_ref().map(|state_hash| {
state_hash
.as_ref()
.and_then(|state_hash| db.rooms.state_full(&room_id, &state_hash).ok())
});
let since_encryption = since_state_hash.as_ref().map(|state_hash| {
state_hash.as_ref().and_then(|state_hash| {
db.rooms
.state_get(&state_hash, &EventType::RoomEncryption, "")
.ok()
})
let since_encryption = since_state.as_ref().map(|state| {
state
.as_ref()
.map(|state| state.get(&(EventType::RoomEncryption, "".to_owned())))
});
let current_members = db.rooms.room_state_type(&room_id, &EventType::RoomMember)?;
// Calculations:
let new_encrypted_room =
encrypted_room && since_encryption.map_or(false, |encryption| encryption.is_none());
let send_member_count = since_members.as_ref().map_or(false, |since_members| {
since_members.as_ref().map_or(true, |since_members| {
current_members.len() != since_members.len()
let send_member_count = since_state.as_ref().map_or(false, |since_state| {
since_state.as_ref().map_or(true, |since_state| {
current_members.len()
!= since_state
.iter()
.filter(|(key, _)| key.0 == EventType::RoomMember)
.count()
})
});
let since_sender_member = since_members.as_ref().map(|since_members| {
since_members.as_ref().and_then(|members| {
members.get(sender_user.as_str()).and_then(|pdu| {
serde_json::from_value::<Raw<ruma::events::room::member::MemberEventContent>>(
pdu.content.clone(),
)
.expect("Raw::from_value always works")
.deserialize()
.map_err(|_| Error::bad_database("Invalid PDU in database."))
.ok()
})
let since_sender_member = since_state.as_ref().map(|since_state| {
since_state.as_ref().and_then(|state| {
state
.get(&(EventType::RoomMember, sender_user.as_str().to_owned()))
.and_then(|pdu| {
serde_json::from_value::<
Raw<ruma::events::room::member::MemberEventContent>,
>(pdu.content.clone())
.expect("Raw::from_value always works")
.deserialize()
.map_err(|_| Error::bad_database("Invalid PDU in database."))
.ok()
})
})
});
@ -170,30 +176,32 @@ pub async fn sync_events_route(
.membership;
let since_membership =
since_members
since_state
.as_ref()
.map_or(MembershipState::Join, |members| {
members
.map_or(MembershipState::Join, |since_state| {
since_state
.as_ref()
.and_then(|members| {
members.get(&user_id).and_then(|since_member| {
serde_json::from_value::<
Raw<ruma::events::room::member::MemberEventContent>,
>(
since_member.content.clone()
)
.expect("Raw::from_value always works")
.deserialize()
.map_err(|_| {
Error::bad_database("Invalid PDU in database.")
.and_then(|since_state| {
since_state
.get(&(EventType::RoomMember, user_id.clone()))
.and_then(|since_member| {
serde_json::from_value::<
Raw<ruma::events::room::member::MemberEventContent>,
>(
since_member.content.clone()
)
.expect("Raw::from_value always works")
.deserialize()
.map_err(|_| {
Error::bad_database("Invalid PDU in database.")
})
.ok()
})
.ok()
})
})
.map_or(MembershipState::Leave, |member| member.membership)
});
let user_id = UserId::try_from(user_id)
let user_id = UserId::try_from(user_id.clone())
.map_err(|_| Error::bad_database("Invalid UserId in member PDU."))?;
match (since_membership, current_membership) {
@ -456,7 +464,12 @@ pub async fn sync_events_route(
})
.and_then(|state_hash| {
db.rooms
.state_get(&state_hash, &EventType::RoomMember, sender_user.as_str())
.state_get(
&room_id,
&state_hash,
&EventType::RoomMember,
sender_user.as_str(),
)
.ok()?
.ok_or_else(|| Error::bad_database("State hash in db doesn't have a state."))
.ok()