respect Discord message max length

This will ensure that ezau will post a new message if editing the old
one would push it above the character limit.

1 files changed, 8 insertions, 4 deletions

diff --git a/src/discord.rs b/src/discord.rs
index 4f946bc..32cbf16 100644
--- a/src/discord.rs
+++ b/src/discord.rs
@@ -12,6 +12,7 @@ use log::info;
 use super::categories::Categorizable;
 
 const MAX_HOURS: i64 = 5;
+const MAX_MESSAGE_LENGTH: usize = 2000;
 
 struct ShardManagerContainer;
 
@@ -44,12 +45,15 @@ impl Handler {
 
         if let Some(mut m) = messages.pop() {
             let new_text = insert_link(&m.content, &self.log, &self.link);
-            m.edit(ctx, |m| m.content(new_text))?;
-        } else {
-            let new_text = insert_link("", &self.log, &self.link);
-            ChannelId(self.channel_id).say(ctx, new_text)?;
+            if new_text.len() <= MAX_MESSAGE_LENGTH {
+                m.edit(ctx, |m| m.content(new_text))?;
+                return Ok(());
+            }
         }
 
+        let new_text = insert_link("", &self.log, &self.link);
+        ChannelId(self.channel_id).say(ctx, new_text)?;
+
         Ok(())
     }
 }