feat: new parser for mention everything (#411)

* feat: implement custom parser for mentions

* feat: handle backticks in codeblocks and escapes

* chore: remove fancy-regex

* fix: dont serialise empty role mentions

* chore: cleanup role mentions logic

* chore: update lockfile

* fix: actually use everyone and online mentions from content

* fix: broken merge

---------

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

crates/core/models/Cargo.toml

@@ -25,7 +25,6 @@ revolt-permissions = { version = "0.8.4", path = "../permissions" }
 
 # Utility
 regex = "1.11"
-fancy-regex = "0.14"
 indexmap = "1.9.3"
 once_cell = "1.17.1"
 num_enum = "0.6.1"

crates/core/models/src/v0/messages.rs

@@ -1,8 +1,6 @@
 use std::time::SystemTime;
 
-use fancy_regex::Regex;
 use indexmap::{IndexMap, IndexSet};
-use once_cell::sync::Lazy;
 use revolt_config::config;
 
 #[cfg(feature = "validator")]
@@ -15,15 +13,6 @@ use iso8601_timestamp::Timestamp;
 
 use super::{Channel, Embed, File, Member, MessageWebhook, User, Webhook, RE_COLOUR};
 
-pub static RE_MENTION: Lazy<Regex> =
-    Lazy::new(|| Regex::new(r"<@([0-9A-HJKMNP-TV-Z]{26})>").unwrap());
-
-pub static RE_ROLE_MENTION: Lazy<Regex> =
-    Lazy::new(|| Regex::new(r"<%([0-9A-HJKMNP-TV-Z]{26})>|@online|@everyone").unwrap());
-
-pub static RE_BLOCKS: Lazy<Regex> =
-    Lazy::new(|| Regex::new(r"(?s)(?<!\\)(?:(```.+?(?<!\\)```)|`[^`\n\r]+?(?<!\\)`)").unwrap());
-
 auto_derived_partial!(
     /// Message
     pub struct Message {
@@ -65,6 +54,7 @@ auto_derived_partial!(
         #[serde(skip_serializing_if = "Option::is_none")]
         pub mentions: Option<Vec<String>>,
         /// Array of role ids mentioned in this message
+        #[serde(skip_serializing_if = "Option::is_none")]
         pub role_mentions: Option<Vec<String>>,
         /// Array of message ids this message is replying to
         #[serde(skip_serializing_if = "Option::is_none")]