added different format for high repeat counts

src/limits.rs

@@ -1,4 +1,4 @@
 pub const MAX_DICE_COUNT_PER_ROLL: usize = 20_000;
 pub const RESULT_CULL_CHARACTER_THRESHOLD: usize = 3000;
 pub const MAX_DISPLAYED_DICE_PER_MESSAGE: usize = 100;
-pub const MAX_ROLL_REPEATS: usize = 35;
+pub const MAX_ROLL_REPEATS: usize = 100;

src/main.rs

@@ -1,3 +1,4 @@
+use std::fmt::Write as FmtWrite;
 mod dice;
 mod limits;
 mod parsing;
@@ -12,7 +13,8 @@ use serenity::all::{
     FullEvent, Interaction, InteractionContext, MessageFlags, ResolvedOption, ResolvedValue,
 };
 use serenity::builder::{
-    CreateCommand, CreateContainer, CreateContainerComponent, CreateInteractionResponse, CreateInteractionResponseMessage, CreateTextDisplay,
+    CreateCommand, CreateContainer, CreateContainerComponent, CreateInteractionResponse,
+    CreateInteractionResponseMessage, CreateTextDisplay,
 };
 use serenity::{async_trait, prelude::*};
 use std::sync::Arc;
@@ -135,7 +137,8 @@ pub async fn roll(ctx: &Context, command: &CommandInteraction) -> anyhow::Result
                 }
             })
             .unwrap_or(1)
-            .min(MAX_ROLL_REPEATS as i64);
+            .min(MAX_ROLL_REPEATS as i64)
+            .max(1) as usize;
         let private = options
             .iter()
             .find(|option| option.name == "private")
@@ -177,46 +180,59 @@ pub async fn roll(ctx: &Context, command: &CommandInteraction) -> anyhow::Result
         let average = expression.average(&mut rng)?;
         let ev = (average * 10.0).round() / 10.0;
 
-        let discord_md = Arc::new(std::sync::RwLock::new(DiscordMd {
+        let mut pre_paragraphs = Vec::new();
-            buffers: vec![],
-            dice_written: 0,
-        }));
         if let Some(description) = description {
-            discord_md
+            pre_paragraphs.insert(0, format!(">>> {description}\n"));
-                .write()
-                .unwrap()
-                .buffers
-                .push(format!(">>> {description}\n"));
-        }
-        for _ in 0..repeat {
-            let mut witness = DiscordMd::create_witness(&discord_md);
-            let result = expression.evaluate(&mut rng, &mut witness, i64::MAX)?;
-            witness.witness_total_result(result)?;
-            witness.end();
         }
+
+        let mut post_paragraphs = Vec::new();
         if fixed_seed.is_some() {
-            discord_md
+            post_paragraphs.push("***⚠️  This is not a fair roll. The result was generated based on a fixed seed and is thus fully reproducible.***".to_string());
-                .write()
-                .unwrap()
-                .buffers
-                .push("***⚠️  This is not a fair roll. The result was generated based on a fixed seed and is thus fully reproducible.***".to_string());
         }
-        discord_md
+        post_paragraphs.push(format!("-# Expected value: {ev}  |  Seed: {seed}"));
-            .write()
-            .unwrap()
-            .buffers
-            .push(format!("-# Expected value: {ev}  |  Seed: {seed}"));
 
-        let discord_md = Arc::into_inner(discord_md)
+        let surrounding_par_count = pre_paragraphs.len() + post_paragraphs.len();
-            .unwrap()
-            .into_inner()?;
 
-        if discord_md.character_count() > 4000 {
+        let paragraphs = if repeat <= 40 - surrounding_par_count {
+            let discord_md = Arc::new(std::sync::RwLock::new(DiscordMd {
+                buffers: Vec::with_capacity(repeat),
+                dice_written: 0,
+            }));
+            for _ in 0..repeat {
+                let mut witness = DiscordMd::create_witness(&discord_md);
+                let result = expression.evaluate(&mut rng, &mut witness, i64::MAX)?;
+                witness.witness_total_result(result)?;
+                witness.end();
+            }
+            let discord_md = Arc::into_inner(discord_md).unwrap().into_inner()?;
+
+            discord_md.buffers
+        } else {
+            let mut par = String::new();
+            for i in 0..repeat {
+                if i > 0 {
+                    write!(par, ", ")?;
+                }
+                write!(
+                    par,
+                    "**{}**",
+                    expression.evaluate(&mut rng, &mut std::io::sink(), i64::MAX)?
+                )?;
+            }
+            vec![par]
+        };
+
+        pre_paragraphs.extend(paragraphs);
+        pre_paragraphs.extend(post_paragraphs);
+        let paragraphs = pre_paragraphs;
+
+        if paragraphs.iter().map(|s| s.chars().count()).sum::<usize>() > 4000
+            || paragraphs.len() > 40
+        {
             bail!("Resulting message was too long, please roll fewer dice!");
-        }
+        };
 
-        let text_components = discord_md
+        let text_components = paragraphs
-            .buffers
             .into_iter()
             .map(|text| CreateContainerComponent::TextDisplay(CreateTextDisplay::new(text)))
             .collect::<Vec<_>>();
@@ -227,20 +243,13 @@ pub async fn roll(ctx: &Context, command: &CommandInteraction) -> anyhow::Result
                     text_components,
                 ))])
                 // flags needs to be called before ephemeral for correct ordering
-                .flags(
+                .flags(MessageFlags::IS_COMPONENTS_V2 | MessageFlags::SUPPRESS_NOTIFICATIONS)
-                    MessageFlags::IS_COMPONENTS_V2 | MessageFlags::SUPPRESS_NOTIFICATIONS,
-                )
                 .ephemeral(private),
         );
 
         debug!("Returning response: {response:#?}");
 
-        command
+        command.create_response(&ctx.http, response).await?;
-            .create_response(
-                &ctx.http,
-                response,
-            )
-            .await?;
         Ok(())
     }