Merge pull request 'feat: heroes' (#102) from fix into master

next
Timo Kösters 2020-06-05 10:08:47 +02:00
commit 3a5b292f22
6 changed files with 156 additions and 120 deletions

44
Cargo.lock generated
View File

@ -26,9 +26,9 @@ checksum = "cff77d8686867eceff3105329d4698d96c2391c176d5d03adc90c7389162b5b8"
[[package]] [[package]]
name = "async-trait" name = "async-trait"
version = "0.1.32" version = "0.1.33"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "0eb7f9ad01405feb3c1dac82463038945cf88eea4569acaf3ad662233496dd96" checksum = "8f1c13101a3224fb178860ae372a031ce350bbd92d39968518f016744dde0bf7"
dependencies = [ dependencies = [
"proc-macro2 1.0.18", "proc-macro2 1.0.18",
"quote 1.0.6", "quote 1.0.6",
@ -163,7 +163,7 @@ dependencies = [
"ruma-api", "ruma-api",
"ruma-client-api", "ruma-client-api",
"ruma-common", "ruma-common",
"ruma-events 0.21.3 (git+https://github.com/ruma/ruma-events?rev=7395f94)", "ruma-events 0.21.3 (git+https://github.com/ruma/ruma-events?rev=c1ee72d)",
"ruma-federation-api", "ruma-federation-api",
"ruma-identifiers", "ruma-identifiers",
"ruma-signatures", "ruma-signatures",
@ -989,18 +989,18 @@ checksum = "d4fd5641d01c8f18a23da7b6fe29298ff4b55afcccdf78973b24cf3175fee32e"
[[package]] [[package]]
name = "pin-project" name = "pin-project"
version = "0.4.17" version = "0.4.19"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "edc93aeee735e60ecb40cf740eb319ff23eab1c5748abfdb5c180e4ce49f7791" checksum = "ba3a1acf4a3e70849f8a673497ef984f043f95d2d8252dcdf74d54e6a1e47e8a"
dependencies = [ dependencies = [
"pin-project-internal", "pin-project-internal",
] ]
[[package]] [[package]]
name = "pin-project-internal" name = "pin-project-internal"
version = "0.4.17" version = "0.4.19"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "e58db2081ba5b4c93bd6be09c40fd36cb9193a8336c384f3b40012e531aa7e40" checksum = "194e88048b71a3e02eb4ee36a6995fed9b8236c11a7bb9f7247a9d9835b3f265"
dependencies = [ dependencies = [
"proc-macro2 1.0.18", "proc-macro2 1.0.18",
"quote 1.0.6", "quote 1.0.6",
@ -1009,9 +1009,9 @@ dependencies = [
[[package]] [[package]]
name = "pin-project-lite" name = "pin-project-lite"
version = "0.1.6" version = "0.1.7"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "9df32da11d84f3a7d70205549562966279adb900e080fad3dccd8e64afccf0ad" checksum = "282adbf10f2698a7a77f8e983a74b2d18176c19a7fd32a45446139ae7b02b715"
[[package]] [[package]]
name = "pin-utils" name = "pin-utils"
@ -1160,11 +1160,11 @@ dependencies = [
[[package]] [[package]]
name = "reqwest" name = "reqwest"
version = "0.10.4" version = "0.10.6"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "02b81e49ddec5109a9dcfc5f2a317ff53377c915e9ae9d4f2fb50914b85614e2" checksum = "3b82c9238b305f26f53443e3a4bc8528d64b8d0bee408ec949eb7bf5635ec680"
dependencies = [ dependencies = [
"base64 0.11.0", "base64 0.12.1",
"bytes", "bytes",
"encoding_rs", "encoding_rs",
"futures-core", "futures-core",
@ -1183,7 +1183,6 @@ dependencies = [
"pin-project-lite", "pin-project-lite",
"serde", "serde",
"serde_urlencoded", "serde_urlencoded",
"time",
"tokio", "tokio",
"tokio-tls", "tokio-tls",
"url", "url",
@ -1297,13 +1296,13 @@ dependencies = [
[[package]] [[package]]
name = "ruma-client-api" name = "ruma-client-api"
version = "0.9.0" version = "0.9.0"
source = "git+https://github.com/ruma/ruma-client-api.git?rev=c2c5a3cea01b0544e5adb40f7ddae828627afd2c#c2c5a3cea01b0544e5adb40f7ddae828627afd2c" source = "git+https://github.com/ruma/ruma-client-api.git?rev=632eb9d520028816c5fb7224bd0aca8d1e3793f1#632eb9d520028816c5fb7224bd0aca8d1e3793f1"
dependencies = [ dependencies = [
"http", "http",
"js_int", "js_int",
"ruma-api", "ruma-api",
"ruma-common", "ruma-common",
"ruma-events 0.21.3 (git+https://github.com/ruma/ruma-events?rev=7395f94)", "ruma-events 0.21.3 (git+https://github.com/ruma/ruma-events?rev=c1ee72d)",
"ruma-identifiers", "ruma-identifiers",
"ruma-serde", "ruma-serde",
"serde", "serde",
@ -1313,24 +1312,25 @@ dependencies = [
[[package]] [[package]]
name = "ruma-common" name = "ruma-common"
version = "0.1.2" version = "0.1.3"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "253416d67b4bde281f2781424232a58a946a4f1c451d5f857a8d0705d58eaf2a" checksum = "6cb49e83277e82c69cc258cedc7e68b3d72ba378f1cb6105cbfcc8831e422b4d"
dependencies = [ dependencies = [
"matches", "matches",
"ruma-serde", "ruma-serde",
"serde", "serde",
"serde_json", "serde_json",
"strum",
] ]
[[package]] [[package]]
name = "ruma-events" name = "ruma-events"
version = "0.21.3" version = "0.21.3"
source = "git+https://github.com/ruma/ruma-events?rev=7395f94#7395f940a7cf70c1598223570fb2b731a6a41707" source = "git+https://github.com/ruma/ruma-events?rev=c1ee72d#c1ee72db0f3107a97f6a4273a0ea3fed5c4c30e2"
dependencies = [ dependencies = [
"js_int", "js_int",
"ruma-common", "ruma-common",
"ruma-events-macros 0.21.3 (git+https://github.com/ruma/ruma-events?rev=7395f94)", "ruma-events-macros 0.21.3 (git+https://github.com/ruma/ruma-events?rev=c1ee72d)",
"ruma-identifiers", "ruma-identifiers",
"ruma-serde", "ruma-serde",
"serde", "serde",
@ -1356,7 +1356,7 @@ dependencies = [
[[package]] [[package]]
name = "ruma-events-macros" name = "ruma-events-macros"
version = "0.21.3" version = "0.21.3"
source = "git+https://github.com/ruma/ruma-events?rev=7395f94#7395f940a7cf70c1598223570fb2b731a6a41707" source = "git+https://github.com/ruma/ruma-events?rev=c1ee72d#c1ee72db0f3107a97f6a4273a0ea3fed5c4c30e2"
dependencies = [ dependencies = [
"proc-macro2 1.0.18", "proc-macro2 1.0.18",
"quote 1.0.6", "quote 1.0.6",
@ -2019,9 +2019,9 @@ checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
[[package]] [[package]]
name = "winreg" name = "winreg"
version = "0.6.2" version = "0.7.0"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "b2986deb581c4fe11b621998a5e53361efe6b48a151178d0cd9eeffa4dc6acc9" checksum = "0120db82e8a1e0b9fb3345a539c478767c0048d842860994d96113d5b667bd69"
dependencies = [ dependencies = [
"winapi 0.3.8", "winapi 0.3.8",
] ]

View File

@ -12,14 +12,16 @@ edition = "2018"
# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
[dependencies] [dependencies]
rocket = { git = "https://github.com/SergioBenitez/Rocket.git", branch = "async", features = ["tls"] } ruma-client-api = { git = "https://github.com/ruma/ruma-client-api.git", rev = "632eb9d520028816c5fb7224bd0aca8d1e3793f1" }
http = "0.2.1"
ruma-client-api = { git = "https://github.com/ruma/ruma-client-api.git", rev = "c2c5a3cea01b0544e5adb40f7ddae828627afd2c" }
ruma-identifiers = { version = "0.16.2", features = ["rand"] } ruma-identifiers = { version = "0.16.2", features = ["rand"] }
ruma-api = "0.16.1" ruma-api = "0.16.1"
ruma-events = { git = "https://github.com/ruma/ruma-events.git", rev = "7395f94" } ruma-events = { git = "https://github.com/ruma/ruma-events.git", rev = "c1ee72d" }
ruma-signatures = { git = "https://github.com/ruma/ruma-signatures.git", rev = "1ca545cba8dfd43e0fc8e3c18e1311fb73390a97" } ruma-signatures = { git = "https://github.com/ruma/ruma-signatures.git", rev = "1ca545cba8dfd43e0fc8e3c18e1311fb73390a97" }
ruma-federation-api = { git = "https://github.com/ruma/ruma-federation-api.git", rev = "4cf4aa6ef74b25ad8c14d99d7774129f023df163" } ruma-federation-api = { git = "https://github.com/ruma/ruma-federation-api.git", rev = "4cf4aa6ef74b25ad8c14d99d7774129f023df163" }
ruma-common = "0.1.3"
rocket = { git = "https://github.com/SergioBenitez/Rocket.git", branch = "async", features = ["tls"] }
http = "0.2.1"
log = "0.4.8" log = "0.4.8"
sled = "0.31.0" sled = "0.31.0"
directories = "2.0.2" directories = "2.0.2"
@ -29,8 +31,7 @@ serde = "1.0.111"
tokio = { version = "0.2.21", features = ["macros"] } tokio = { version = "0.2.21", features = ["macros"] }
rand = "0.7.3" rand = "0.7.3"
rust-argon2 = "0.8.2" rust-argon2 = "0.8.2"
reqwest = "=0.10.4" reqwest = "0.10.6"
base64 = "0.12.1" base64 = "0.12.1"
thiserror = "1.0.19" thiserror = "1.0.19"
ruma-common = "0.1.2"
image = { version = "0.23.4", default-features = false, features = ["jpeg", "png", "gif"] } image = { version = "0.23.4", default-features = false, features = ["jpeg", "png", "gif"] }

View File

@ -24,8 +24,8 @@ use ruma_client_api::{
keys::{self, claim_keys, get_keys, upload_keys}, keys::{self, claim_keys, get_keys, upload_keys},
media::{create_content, get_content, get_content_thumbnail, get_media_config}, media::{create_content, get_content, get_content_thumbnail, get_media_config},
membership::{ membership::{
forget_room, get_member_events, invite_user, join_room_by_id, join_room_by_id_or_alias, ban_user, forget_room, get_member_events, invite_user, join_room_by_id,
kick_user, leave_room, ban_user, unban_user, join_room_by_id_or_alias, kick_user, leave_room, unban_user,
}, },
message::{create_message_event, get_message_events}, message::{create_message_event, get_message_events},
presence::set_presence, presence::set_presence,
@ -548,9 +548,8 @@ pub fn set_displayname_route(
// Presence update // Presence update
db.global_edus db.global_edus
.update_globallatest( .update_presence(
&user_id, ruma_events::presence::PresenceEvent {
EduEvent::Presence(ruma_events::presence::PresenceEvent {
content: ruma_events::presence::PresenceEventContent { content: ruma_events::presence::PresenceEventContent {
avatar_url: db.users.avatar_url(&user_id).unwrap(), avatar_url: db.users.avatar_url(&user_id).unwrap(),
currently_active: None, currently_active: None,
@ -560,7 +559,7 @@ pub fn set_displayname_route(
status_msg: None, status_msg: None,
}, },
sender: user_id.clone(), sender: user_id.clone(),
}), },
&db.globals, &db.globals,
) )
.unwrap(); .unwrap();
@ -640,9 +639,8 @@ pub fn set_avatar_url_route(
// Presence update // Presence update
db.global_edus db.global_edus
.update_globallatest( .update_presence(
&user_id, ruma_events::presence::PresenceEvent {
EduEvent::Presence(ruma_events::presence::PresenceEvent {
content: ruma_events::presence::PresenceEventContent { content: ruma_events::presence::PresenceEventContent {
avatar_url: db.users.avatar_url(&user_id).unwrap(), avatar_url: db.users.avatar_url(&user_id).unwrap(),
currently_active: None, currently_active: None,
@ -652,7 +650,7 @@ pub fn set_avatar_url_route(
status_msg: None, status_msg: None,
}, },
sender: user_id.clone(), sender: user_id.clone(),
}), },
&db.globals, &db.globals,
) )
.unwrap(); .unwrap();
@ -707,9 +705,8 @@ pub fn set_presence_route(
let user_id = body.user_id.as_ref().expect("user is authenticated"); let user_id = body.user_id.as_ref().expect("user is authenticated");
db.global_edus db.global_edus
.update_globallatest( .update_presence(
&user_id, ruma_events::presence::PresenceEvent {
EduEvent::Presence(ruma_events::presence::PresenceEvent {
content: ruma_events::presence::PresenceEventContent { content: ruma_events::presence::PresenceEventContent {
avatar_url: db.users.avatar_url(&user_id).unwrap(), avatar_url: db.users.avatar_url(&user_id).unwrap(),
currently_active: None, currently_active: None,
@ -719,7 +716,7 @@ pub fn set_presence_route(
status_msg: body.status_msg.clone(), status_msg: body.status_msg.clone(),
}, },
sender: user_id.clone(), sender: user_id.clone(),
}), },
&db.globals, &db.globals,
) )
.unwrap(); .unwrap();
@ -2151,7 +2148,9 @@ pub fn sync_route(
let mut send_member_count = false; let mut send_member_count = false;
let mut send_full_state = false; let mut send_full_state = false;
let mut send_notification_counts = false;
for pdu in &pdus { for pdu in &pdus {
send_notification_counts = true;
if pdu.kind == EventType::RoomMember { if pdu.kind == EventType::RoomMember {
send_member_count = true; send_member_count = true;
if !send_full_state && pdu.state_key == Some(user_id.to_string()) { if !send_full_state && pdu.state_key == Some(user_id.to_string()) {
@ -2171,7 +2170,85 @@ pub fn sync_route(
} }
} }
let notification_count = let state = db.rooms.room_state(&room_id).unwrap();
let (joined_member_count, invited_member_count, heroes) = if send_member_count {
let joined_member_count = db.rooms.room_members(&room_id).count();
let invited_member_count = db.rooms.room_members_invited(&room_id).count();
// Recalculate heroes (first 5 members)
let mut heroes = Vec::new();
if joined_member_count + invited_member_count <= 5 {
// Go through all PDUs and for each member event, check if the user is still joined or
// invited until we have 5 or we reach the end
for hero in db
.rooms
.all_pdus(&room_id)
.unwrap()
.filter_map(|pdu| pdu.ok()) // Ignore all broken pdus
.filter(|pdu| pdu.kind == EventType::RoomMember)
.filter_map(|pdu| {
let content = serde_json::from_value::<
EventJson<ruma_events::room::member::MemberEventContent>,
>(pdu.content.clone())
.unwrap()
.deserialize()
.unwrap();
let current_content = serde_json::from_value::<
EventJson<ruma_events::room::member::MemberEventContent>,
>(
state
.get(&(
EventType::RoomMember,
pdu.state_key.clone().expect(
"TODO: error handling. Is it really a state event?",
),
))
.expect("a user that joined once will always have a member event")
.content
.clone(),
)
.unwrap()
.deserialize()
.unwrap();
// The membership was and still is invite or join
if matches!(
content.membership,
ruma_events::room::member::MembershipState::Join
| ruma_events::room::member::MembershipState::Invite
) && matches!(
current_content.membership,
ruma_events::room::member::MembershipState::Join
| ruma_events::room::member::MembershipState::Invite
) {
Some(pdu.state_key.unwrap())
} else {
None
}
})
{
if heroes.contains(&hero) || hero == user_id.to_string() {
continue;
}
heroes.push(hero);
}
}
(
Some(joined_member_count),
Some(invited_member_count),
heroes,
)
} else {
(None, None, Vec::new())
};
let notification_count = if send_notification_counts {
if let Some(last_read) = db.rooms.edus.room_read_get(&room_id, &user_id).unwrap() { if let Some(last_read) = db.rooms.edus.room_read_get(&room_id, &user_id).unwrap() {
Some( Some(
(db.rooms (db.rooms
@ -2188,7 +2265,10 @@ pub fn sync_route(
) )
} else { } else {
None None
}; }
} else {
None
};
// They /sync response doesn't always return all messages, so we say the output is // They /sync response doesn't always return all messages, so we say the output is
// limited unless there are enough events // limited unless there are enough events
@ -2247,17 +2327,9 @@ pub fn sync_route(
.collect(), .collect(),
}), }),
summary: sync_events::RoomSummary { summary: sync_events::RoomSummary {
heroes: Vec::new(), heroes,
joined_member_count: if send_member_count { joined_member_count: joined_member_count.map(|n| (n as u32).into()),
Some((db.rooms.room_members(&room_id).count() as u32).into()) invited_member_count: invited_member_count.map(|n| (n as u32).into()),
} else {
None
},
invited_member_count: if send_member_count {
Some((db.rooms.room_members_invited(&room_id).count() as u32).into())
} else {
None
},
}, },
unread_notifications: sync_events::UnreadNotificationsCount { unread_notifications: sync_events::UnreadNotificationsCount {
highlight_count: None, highlight_count: None,
@ -2271,9 +2343,7 @@ pub fn sync_route(
// TODO: state before timeline // TODO: state before timeline
state: sync_events::State { state: sync_events::State {
events: if send_full_state { events: if send_full_state {
db.rooms state
.room_state(&room_id)
.unwrap()
.into_iter() .into_iter()
.map(|(_, pdu)| pdu.to_state_event()) .map(|(_, pdu)| pdu.to_state_event())
.collect() .collect()
@ -2362,24 +2432,16 @@ pub fn sync_route(
presence: sync_events::Presence { presence: sync_events::Presence {
events: db events: db
.global_edus .global_edus
.globallatests_since(since) .presence_since(since)
.unwrap() .unwrap()
.filter_map(|edu| { .map(|edu| {
// Only look for presence events let mut edu = edu.unwrap().deserialize().unwrap();
if let Ok(mut edu) = EventJson::<ruma_events::presence::PresenceEvent>::from( let timestamp = edu.content.last_active_ago.unwrap();
edu.unwrap().into_json(), let last_active_ago = js_int::UInt::try_from(utils::millis_since_unix_epoch())
) .unwrap()
.deserialize() - timestamp;
{ edu.content.last_active_ago = Some(last_active_ago);
let timestamp = edu.content.last_active_ago.unwrap(); edu.into()
edu.content.last_active_ago = Some(
js_int::UInt::try_from(utils::millis_since_unix_epoch()).unwrap()
- timestamp,
);
Some(edu.into())
} else {
None
}
}) })
.collect(), .collect(),
}, },

View File

@ -94,8 +94,7 @@ impl Database {
roomuserdataid_accountdata: db.open_tree("roomuserdataid_accountdata").unwrap(), roomuserdataid_accountdata: db.open_tree("roomuserdataid_accountdata").unwrap(),
}, },
global_edus: global_edus::GlobalEdus { global_edus: global_edus::GlobalEdus {
//globalallid_globalall: db.open_tree("globalallid_globalall").unwrap(), presenceid_presence: db.open_tree("presenceid_presence").unwrap(), // Presence
globallatestid_globallatest: db.open_tree("globallatestid_globallatest").unwrap(), // Presence
}, },
media: media::Media { media: media::Media {
mediaid_file: db.open_tree("mediaid_file").unwrap(), mediaid_file: db.open_tree("mediaid_file").unwrap(),

View File

@ -1,67 +1,53 @@
use crate::Result; use crate::Result;
use ruma_events::{collections::only::Event as EduEvent, EventJson}; use ruma_events::EventJson;
use ruma_identifiers::UserId;
pub struct GlobalEdus { pub struct GlobalEdus {
//pub globalallid_globalall: sled::Tree, // ToDevice, GlobalAllId = UserId + Count //pub globalallid_globalall: sled::Tree, // ToDevice, GlobalAllId = UserId + Count
pub(super) globallatestid_globallatest: sled::Tree, // Presence, GlobalLatestId = Count + UserId pub(super) presenceid_presence: sled::Tree, // Presence, PresenceId = Count + UserId
} }
impl GlobalEdus { impl GlobalEdus {
/// Adds a global event which will be saved until a new event replaces it (e.g. presence updates). /// Adds a global event which will be saved until a new event replaces it (e.g. presence updates).
pub fn update_globallatest( pub fn update_presence(
&self, &self,
user_id: &UserId, presence: ruma_events::presence::PresenceEvent,
event: EduEvent,
globals: &super::globals::Globals, globals: &super::globals::Globals,
) -> Result<()> { ) -> Result<()> {
// Remove old entry // Remove old entry
if let Some(old) = self if let Some(old) = self
.globallatestid_globallatest .presenceid_presence
.iter() .iter()
.keys() .keys()
.rev() .rev()
.filter_map(|r| r.ok()) .filter_map(|r| r.ok())
.find(|key| { .find(|key| {
key.rsplit(|&b| b == 0xff).next().unwrap() == user_id.to_string().as_bytes() key.rsplit(|&b| b == 0xff).next().unwrap() == presence.sender.to_string().as_bytes()
}) })
{ {
// This is the old global_latest // This is the old global_latest
self.globallatestid_globallatest.remove(old)?; self.presenceid_presence.remove(old)?;
} }
let mut global_latest_id = globals.next_count()?.to_be_bytes().to_vec(); let mut presence_id = globals.next_count()?.to_be_bytes().to_vec();
global_latest_id.push(0xff); presence_id.push(0xff);
global_latest_id.extend_from_slice(&user_id.to_string().as_bytes()); presence_id.extend_from_slice(&presence.sender.to_string().as_bytes());
self.globallatestid_globallatest self.presenceid_presence
.insert(global_latest_id, &*serde_json::to_string(&event)?)?; .insert(presence_id, &*serde_json::to_string(&presence)?)?;
Ok(()) Ok(())
} }
/// Returns an iterator over the most recent presence updates that happened after the event with id `since`. /// Returns an iterator over the most recent presence updates that happened after the event with id `since`.
pub fn globallatests_since( pub fn presence_since(
&self, &self,
since: u64, since: u64,
) -> Result<impl Iterator<Item = Result<EventJson<EduEvent>>>> { ) -> Result<impl Iterator<Item = Result<EventJson<ruma_events::presence::PresenceEvent>>>> {
let first_possible_edu = since.to_be_bytes().to_vec(); let first_possible_edu = (since + 1).to_be_bytes().to_vec(); // +1 so we don't send the event at since
Ok(self Ok(self
.globallatestid_globallatest .presenceid_presence
.range(&*first_possible_edu..) .range(&*first_possible_edu..)
// Skip the first pdu if it's exactly at since, because we sent that last time
.skip(
if self
.globallatestid_globallatest
.get(first_possible_edu)?
.is_some()
{
1
} else {
0
},
)
.filter_map(|r| r.ok()) .filter_map(|r| r.ok())
.map(|(_, v)| Ok(serde_json::from_slice(&v)?))) .map(|(_, v)| Ok(serde_json::from_slice(&v)?)))
} }

View File

@ -59,23 +59,11 @@ impl RoomEdus {
prefix.push(0xff); prefix.push(0xff);
let mut first_possible_edu = prefix.clone(); let mut first_possible_edu = prefix.clone();
first_possible_edu.extend_from_slice(&since.to_be_bytes()); first_possible_edu.extend_from_slice(&(since + 1).to_be_bytes()); // +1 so we don't send the event at since
Ok(self Ok(self
.roomlatestid_roomlatest .roomlatestid_roomlatest
.range(&*first_possible_edu..) .range(&*first_possible_edu..)
// Skip the first pdu if it's exactly at since, because we sent that last time
.skip(
if self
.roomlatestid_roomlatest
.get(first_possible_edu)?
.is_some()
{
1
} else {
0
},
)
.filter_map(|r| r.ok()) .filter_map(|r| r.ok())
.take_while(move |(k, _)| k.starts_with(&prefix)) .take_while(move |(k, _)| k.starts_with(&prefix))
.map(|(_, v)| Ok(serde_json::from_slice(&v)?))) .map(|(_, v)| Ok(serde_json::from_slice(&v)?)))