feat: Audit Logs (#466)

* fix: squash audit log branch changes

Signed-off-by: Zomatree <me@zomatree.live>

* feat: emoji edit + pronoun

Signed-off-by: Zomatree <me@zomatree.live>

* fix: use tokio instead of async-std

Signed-off-by: Zomatree <me@zomatree.live>

* feat: add slowmode to audit log

Signed-off-by: Zomatree <me@zomatree.live>

* chore: update comments on permissions

Signed-off-by: Zomatree <me@zomatree.live>

---------

Signed-off-by: Zomatree <me@zomatree.live>

crates/delta/src/routes/channels/message_delete.rs

@@ -1,12 +1,14 @@
 use revolt_database::{
     util::{permissions::DatabasePermissionQuery, reference::Reference},
-    Database, User,
+    AuditLogEntryAction, Database, User,
 };
 use revolt_permissions::{calculate_channel_permissions, ChannelPermission};
 use revolt_result::Result;
 use rocket::State;
 use rocket_empty::EmptyResponse;
 
+use crate::util::audit_log_reason::AuditLogReason;
+
 /// # Delete Message
 ///
 /// Delete a message you've sent or one you have permission to delete.
@@ -15,18 +17,40 @@ use rocket_empty::EmptyResponse;
 pub async fn delete(
     db: &State<Database>,
     user: User,
+    reason: AuditLogReason,
     target: Reference<'_>,
     msg: Reference<'_>,
 ) -> Result<EmptyResponse> {
     let message = msg.as_message_in_channel(db, target.id).await?;
 
-    if message.author != user.id {
+    let channel = if message.author != user.id {
         let channel = target.as_channel(db).await?;
         let mut query = DatabasePermissionQuery::new(db, &user).channel(&channel);
         calculate_channel_permissions(&mut query)
             .await
             .throw_if_lacking_channel_permission(ChannelPermission::ManageMessages)?;
-    }
 
-    message.delete(db).await.map(|_| EmptyResponse)
+        Some(channel)
+    } else {
+        None
+    };
+
+    message.delete(db).await?;
+
+    if let Some(server) = channel.and_then(|c| c.server().map(|s| s.to_string())) {
+        AuditLogEntryAction::MessageDelete {
+            author: message.author.clone(),
+            channel: message.channel.clone(),
+        }
+        .insert(
+            db,
+            server.to_string(),
+            reason,
+            user.id.clone(),
+            Some(message.author),
+        )
+        .await;
+    };
+
+    Ok(EmptyResponse)
 }