block_reaction: avoid rate limits

src/handlers/event/block_reaction.rs

@@ -1,37 +1,34 @@
 use crate::{config::Config, consts::Colors, Data};
 
 use chrono::Duration;
-use eyre::{Context as _, Result};
+use eyre::Result;
 use log::{debug, trace};
 use poise::serenity_prelude::{
-	Context, CreateEmbed, CreateMessage, Mentionable, Message, Reaction, Timestamp, UserId,
+	Context, CreateEmbed, CreateMessage, Mentionable, Reaction, Timestamp,
 };
 
-async fn log_old_react(
-	ctx: &Context,
-	config: &Config,
-	reactor: &Option<UserId>,
-	message: &Message,
-) -> Result<()> {
+async fn log_old_react(ctx: &Context, config: &Config, reaction: &Reaction) -> Result<()> {
 	let Some(log_channel) = config.discord.channels.log_channel_id else {
 		debug!("Not logging old reaction; no log channel is set!");
 		return Ok(());
 	};
 
+	let message_link = reaction
+		.message_id
+		.link(reaction.channel_id, reaction.guild_id);
+
 	let mut embed = CreateEmbed::new()
 		.title("Old message reaction!")
 		.color(Colors::Red);
 
-	if let Some(reactor) = reactor {
+	if let Some(reactor) = reaction.user_id {
 		embed = embed.description(format!(
-			"{} just reacted to {}!",
+			"{} just reacted to {message_link}!",
 			reactor.mention(),
-			message.link()
 		));
 	} else {
 		embed = embed.description(format!(
-			"Someone (or something...) just reacted to {}!",
-			message.link()
+			"Someone (or something...) just reacted to {message_link}!"
 		));
 	}
 
@@ -43,33 +40,25 @@ async fn log_old_react(
 
 pub async fn handle(ctx: &Context, reaction: &Reaction, data: &Data) -> Result<()> {
 	let reaction_type = reaction.emoji.clone();
-	let reactor = reaction.user_id;
-	let message = reaction.message(ctx).await.wrap_err_with(|| {
-		format!(
-			"Couldn't get message {} from reaction! We won't be able to check if it's old",
-			reaction.message_id
-		)
-	})?;
+	let message_id = reaction.message_id;
+	trace!("Checking if we should block reaction on {message_id}");
 
-	let time_sent = message.timestamp.to_utc();
+	let time_sent = message_id.created_at().to_utc();
 	let age = Timestamp::now().signed_duration_since(time_sent);
 	let max_days = Duration::days(data.config.discord.days_to_delete_reaction);
 
 	if age >= max_days {
-		// NOTE: if we for some reason **didn't** get the user_id associated with the reaction,
-		// this will clear **all** reactions of this type. this is intentional as older reactions
-		// being removed > harmful reactions being kept
 		debug!(
 			"Removing reaction {reaction_type} from message {}",
-			message.id
+			message_id
 		);
-		message.delete_reaction(ctx, reactor, reaction_type).await?;
 
-		log_old_react(ctx, &data.config, &reactor, &message).await?;
+		reaction.delete(ctx).await?;
+		log_old_react(ctx, &data.config, reaction).await?;
 	} else {
 		trace!(
 			"Keeping reaction {reaction_type} for message {}",
-			message.id
+			message_id
 		);
 	}