feat(core): implement ratelimit events for reference db

crates/core/database/src/drivers/reference.rs

@@ -4,7 +4,7 @@ use futures::lock::Mutex;
 
 use crate::{
     Bot, Channel, ChannelCompositeKey, ChannelUnread, Emoji, File, Invite, Member,
-    MemberCompositeKey, Message, Server, ServerBan, User, UserSettings, Webhook,
+    MemberCompositeKey, Message, RatelimitEvent, Server, ServerBan, User, UserSettings, Webhook,
 };
 
 database_derived!(
@@ -19,6 +19,7 @@ database_derived!(
         pub emojis: Arc<Mutex<HashMap<String, Emoji>>>,
         pub files: Arc<Mutex<HashMap<String, File>>>,
         pub messages: Arc<Mutex<HashMap<String, Message>>>,
+        pub ratelimit_events: Arc<Mutex<HashMap<String, RatelimitEvent>>>,
         pub user_settings: Arc<Mutex<HashMap<String, UserSettings>>>,
         pub users: Arc<Mutex<HashMap<String, User>>>,
         pub server_bans: Arc<Mutex<HashMap<MemberCompositeKey, ServerBan>>>,

crates/core/database/src/models/ratelimit_events/ops/reference.rs

@@ -1,28 +1,46 @@
+use std::cmp::Ordering;
 use std::time::Duration;
+use std::time::SystemTime;
 
 use super::AbstractRatelimitEvents;
 use crate::RatelimitEvent;
 use crate::RatelimitEventType;
 use crate::ReferenceDb;
 use revolt_result::Result;
+use ulid::Ulid;
 
 #[async_trait]
 impl AbstractRatelimitEvents for ReferenceDb {
     /// Insert a new ratelimit event
-    async fn insert_ratelimit_event(&self, _event: &RatelimitEvent) -> Result<()> {
-        // TODO: implement
-        unimplemented!()
+    async fn insert_ratelimit_event(&self, event: &RatelimitEvent) -> Result<()> {
+        let mut ratelimit_events = self.ratelimit_events.lock().await;
+        if ratelimit_events.contains_key(&event.id) {
+            Err(create_database_error!("insert", "message"))
+        } else {
+            ratelimit_events.insert(event.id.to_string(), event.clone());
+            Ok(())
+        }
     }
 
     /// Count number of events in given duration and check if we've hit the limit
     async fn has_ratelimited(
         &self,
-        _target_id: &str,
-        _event_type: RatelimitEventType,
-        _period: Duration,
-        _count: usize,
+        target_id: &str,
+        event_type: RatelimitEventType,
+        period: Duration,
+        count: usize,
     ) -> Result<bool> {
-        // TODO: implement
-        unimplemented!()
+        let ratelimit_events = self.ratelimit_events.lock().await;
+        let gte_cmp_id = Ulid::from_datetime(SystemTime::now() - period).to_string();
+
+        Ok(ratelimit_events
+            .iter()
+            .filter(|(id, event)| {
+                id.cmp(&&gte_cmp_id) == Ordering::Greater
+                    && event.target_id == target_id
+                    && event.event_type == event_type
+            })
+            .count()
+            >= count)
     }
 }