help command rework started

Cargo.lock

@@ -292,12 +292,6 @@ dependencies = [
  "lazy_static",
 ]
 
-[[package]]
-name = "custom_error"
-version = "1.8.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "51ac5e99a7fea3ee8a03fa4721a47e2efd3fbb38358fc61192a54d4c6f866c12"
-
 [[package]]
 name = "digest"
 version = "0.9.0"
@@ -1348,7 +1342,6 @@ dependencies = [
  "async-trait",
  "chrono",
  "chrono-tz",
- "custom_error",
  "dotenv",
  "env_logger",
  "lazy_static",

Cargo.toml

@@ -18,7 +18,6 @@ chrono-tz = "0.5"
 lazy_static = "1.4"
 num-integer = "0.1"
 num-traits = "0.2"
-custom_error = "1.7"
 serde = "1.0"
 serde_json = "1.0"
 rand = "0.7"

src/commands/info_cmds.rs

@@ -5,12 +5,15 @@ use serenity::{client::Context, model::channel::Message};
 use chrono::offset::Utc;
 
 use crate::{
-    consts::DEFAULT_PREFIX,
+    consts::{DEFAULT_PREFIX, HELP_STRINGS},
+    language_manager::LanguageManager,
     models::{GuildData, UserData},
     SQLPool, THEME_COLOR,
 };
 
-use crate::language_manager::LanguageManager;
+use levenshtein::levenshtein;
+
+use inflector::Inflector;
 use std::time::{SystemTime, UNIX_EPOCH};
 
 #[command]
@@ -31,7 +34,66 @@ async fn ping(ctx: &Context, msg: &Message, _args: String) {
 
 #[command]
 #[can_blacklist(false)]
-async fn help(ctx: &Context, msg: &Message, _args: String) {
+async fn help(ctx: &Context, msg: &Message, args: String) {
+    async fn default_help(
+        ctx: &Context,
+        msg: &Message,
+        lm: &LanguageManager,
+        prefix: &str,
+        language: &str,
+    ) {
+        let desc = lm.get(language, "help/desc").replace("{prefix}", prefix);
+
+        let _ = msg
+            .channel_id
+            .send_message(ctx, |m| {
+                m.embed(move |e| {
+                    e.title("Help Menu")
+                        .description(desc)
+                        .field(
+                            lm.get(language, "help/setup_title"),
+                            "`lang` `timezone`",
+                            true,
+                        )
+                        .field(
+                            lm.get(language, "help/mod_title"),
+                            "`prefix` `blacklist` `restrict` `alias`",
+                            true,
+                        )
+                        .field(
+                            lm.get(language, "help/reminder_title"),
+                            "`remind` `interval` `natural` `look`",
+                            true,
+                        )
+                        .field(
+                            lm.get(language, "help/reminder_mod_title"),
+                            "`del` `offset` `pause` `nudge`",
+                            true,
+                        )
+                        .field(
+                            lm.get(language, "help/info_title"),
+                            "`help` `info` `donate` `clock`",
+                            true,
+                        )
+                        .field(
+                            lm.get(language, "help/todo_title"),
+                            "`todo` `todos` `todoc`",
+                            true,
+                        )
+                        .field(lm.get(language, "help/other_title"), "`timer`", true)
+                        .footer(|f| {
+                            f.text(concat!(
+                                env!("CARGO_PKG_NAME"),
+                                " ver ",
+                                env!("CARGO_PKG_VERSION")
+                            ))
+                        })
+                        .color(*THEME_COLOR)
+                })
+            })
+            .await;
+    }
+
     let data = ctx.data.read().await;
 
     let pool = data
@@ -42,26 +104,43 @@ async fn help(ctx: &Context, msg: &Message, _args: String) {
     let lm = data.get::<LanguageManager>().unwrap();
 
     let language = UserData::language_of(&msg.author, &pool).await;
+    let prefix = GuildData::prefix_from_id(msg.guild_id, &pool).await;
 
-    let desc = lm.get(&language, "help");
+    if !args.is_empty() {
+        let closest_match = HELP_STRINGS
+            .iter()
+            .map(|h| (levenshtein(h.split_at(5).1, &args), h))
+            .filter(|(dist, _)| dist < &3)
+            .min_by(|(dist_a, _), (dist_b, _)| dist_a.cmp(dist_b))
+            .map(|(_, string)| string);
 
-    let _ = msg
+        if let Some(help_str) = closest_match {
-        .channel_id
+            let desc = lm.get(&language, help_str);
-        .send_message(ctx, |m| {
+            let command_name = help_str.split_at(5).1;
-            m.embed(move |e| {
+
-                e.title("Help Menu")
+            let _ = msg
-                    .description(desc)
+                .channel_id
-                    .footer(|f| {
+                .send_message(ctx, |m| {
-                        f.text(concat!(
+                    m.embed(move |e| {
-                            env!("CARGO_PKG_NAME"),
+                        e.title(format!("{} Help", command_name.to_title_case()))
-                            " ver ",
+                            .description(desc.replace("{prefix}", &prefix))
-                            env!("CARGO_PKG_VERSION")
+                            .footer(|f| {
-                        ))
+                                f.text(concat!(
+                                    env!("CARGO_PKG_NAME"),
+                                    " ver ",
+                                    env!("CARGO_PKG_VERSION")
+                                ))
+                            })
+                            .color(*THEME_COLOR)
                     })
-                    .color(*THEME_COLOR)
+                })
-            })
+                .await;
-        })
+        } else {
-        .await;
+            default_help(ctx, msg, lm, &prefix, &language).await;
+        }
+    } else {
+        default_help(ctx, msg, lm, &prefix, &language).await;
+    }
 }
 
 #[command]

src/consts.rs

@@ -1,6 +1,29 @@
 pub const DAY: u64 = 86_400;
 pub const HOUR: u64 = 3_600;
 pub const MINUTE: u64 = 60;
+pub const HELP_STRINGS: [&'static str; 21] = [
+    "help/lang",
+    "help/timezone",
+    "help/prefix",
+    "help/blacklist",
+    "help/restrict",
+    "help/alias",
+    "help/remind",
+    "help/interval",
+    "help/natural",
+    "help/look",
+    "help/del",
+    "help/offset",
+    "help/pause",
+    "help/nudge",
+    "help/info",
+    "help/help",
+    "help/donate",
+    "help/clock",
+    "help/todo",
+    "help/todos",
+    "help/todoc",
+];
 
 pub const CHARACTERS: &str = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789_";
 
@@ -26,11 +49,11 @@ lazy_static! {
 
     pub static ref REGEX_REMIND_COMMAND: Regex = Regex::new(
     r#"(?P<mentions>(?:<@\d+>\s|<@!\d+>\s|<#\d+>\s)*)(?P<time>(?:(?:\d+)(?:s|m|h|d|:|/|-|))+|()) (?P<content>.*)"#)
-            .unwrap();
+        .unwrap();
 
     pub static ref REGEX_INTERVAL_COMMAND: Regex = Regex::new(
     r#"(?P<mentions>(?:<@\d+>\s|<@!\d+>\s|<#\d+>\s)*)(?P<time>(?:(?:\d+)(?:s|m|h|d|:|/|-|))+) (?P<interval>(?:(?:\d+)(?:s|m|h|d|))+) (?P<content>.*)"#)
-            .unwrap();
+        .unwrap();
 
     pub static ref SUBSCRIPTION_ROLES: HashSet<u64> = HashSet::from_iter(
         env::var("SUBSCRIPTION_ROLES")
@@ -40,6 +63,7 @@ lazy_static! {
                 .collect::<Vec<u64>>())
             .unwrap_or_else(|_| vec![])
     );
+
     pub static ref CNC_GUILD: Option<u64> = env::var("CNC_GUILD")
         .map(|var| var.parse::<u64>().ok())
         .ok()