Add after parameter to get_audit_logs endpoint (#3417)

Fixes #3416

Author: inklesspen

src/http/client.rs

@@ -2485,9 +2485,10 @@ impl Http {
         action_type: Option<audit_log::Action>,
         user_id: Option<UserId>,
         before: Option<AuditLogEntryId>,
+        after: Option<AuditLogEntryId>,
         limit: Option<NonMaxU8>,
     ) -> Result<AuditLogs> {
-        let (action_type_str, before_str, limit_str, user_id_str);
+        let (action_type_str, before_str, after_str, limit_str, user_id_str);
         let mut params = ArrayVec::<_, 4>::new();
         if let Some(action_type) = action_type {
             action_type_str = action_type.num().to_arraystring();
@@ -2497,6 +2498,10 @@ impl Http {
             before_str = before.to_arraystring();
             params.push(("before", &before_str));
         }
+        if let Some(after) = after {
+            after_str = after.to_arraystring();
+            params.push(("after", &after_str));
+        }
         if let Some(limit) = limit {
             limit_str = limit.get().to_arraystring();
             params.push(("limit", &limit_str));

src/model/guild/guild_id.rs

@@ -286,9 +286,10 @@ impl GuildId {
         action_type: Option<audit_log::Action>,
         user_id: Option<UserId>,
         before: Option<AuditLogEntryId>,
+        after: Option<AuditLogEntryId>,
         limit: Option<NonMaxU8>,
     ) -> Result<AuditLogs> {
-        http.get_audit_logs(self, action_type, user_id, before, limit).await
+        http.get_audit_logs(self, action_type, user_id, before, after, limit).await
     }
 
     /// Gets all of the guild's channels over the REST API.