Add option types for top-level commands

Cargo.lock

@@ -773,6 +773,14 @@ version = "2.5.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0206175f82b8d6bf6652ff7d71a1e27fd2e4efde587fd368662814d6ec1d9ce0"
 
+[[package]]
+name = "extract_macro"
+version = "0.1.0"
+dependencies = [
+ "quote",
+ "syn 2.0.49",
+]
+
 [[package]]
 name = "fastrand"
 version = "2.0.1"
@@ -2301,7 +2309,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c08c74e62047bb2de4ff487b251e4a92e24f48745648451635cec7d591162d9f"
 
 [[package]]
-name = "reminder-rs"
+name = "reminder_rs"
 version = "1.6.50"
 dependencies = [
  "base64 0.21.5",
@@ -2309,6 +2317,7 @@ dependencies = [
  "chrono-tz",
  "dotenv",
  "env_logger",
+ "extract_macro",
  "lazy-regex",
  "lazy_static",
  "levenshtein",

Cargo.toml

@@ -1,5 +1,5 @@
 [package]
-name = "reminder-rs"
+name = "reminder_rs"
 version = "1.6.50"
 authors = ["Jude Southworth <judesouthworth@pm.me>"]
 edition = "2021"
@@ -35,6 +35,9 @@ path = "postman"
 [dependencies.reminder_web]
 path = "web"
 
+[dependencies.extract_macro]
+path = "extract_macro"
+
 [package.metadata.deb]
 depends = "$auto, python3-dateparser (>= 1.0.0)"
 suggests = "mysql-server-8.0, nginx"

extract_macro/src/lib.rs

@@ -0,0 +1,52 @@
+use proc_macro::TokenStream;
+use syn::{spanned::Spanned, Data, Fields};
+
+#[proc_macro_derive(Extract)]
+pub fn extract(input: TokenStream) -> TokenStream {
+    let ast = syn::parse_macro_input!(input);
+
+    impl_extract(&ast)
+}
+
+fn impl_extract(ast: &syn::DeriveInput) -> TokenStream {
+    let name = &ast.ident;
+
+    match &ast.data {
+        Data::Struct(st) => match &st.fields {
+            Fields::Named(fields) => {
+                let extracted = fields.named.iter().map(|field| {
+                    let ident = &field.ident;
+                    let ty = &field.ty;
+
+                    quote::quote_spanned! {field.span()=>
+                        #ident : crate::utils::extract_arg!(ctx, #ident, #ty)
+                    }
+                });
+
+                TokenStream::from(quote::quote! {
+                    impl Extract for #name {
+                        fn extract(ctx: crate::ApplicationContext) -> Self {
+                            Self {
+                                #(#extracted,)*
+                            }
+                        }
+                    }
+                })
+            }
+            Fields::Unit => TokenStream::from(quote::quote! {
+                impl Extract for #name {
+                    fn extract(ctx: crate::ApplicationContext) -> Self {
+                        Self {}
+                    }
+                }
+            }),
+            _ => {
+                panic!("Only named/unit structs can derive Extract");
+            }
+        },
+
+        _ => {
+            panic!("Only structs can derive Extract");
+        }
+    }
+}

src/commands/clock.rs

@@ -1,11 +1,13 @@
 use chrono::Utc;
 use poise::CreateReply;
+use serde::{Deserialize, Serialize};
 
-use crate::{models::CtxData, Context, Error};
+use crate::{models::CtxData, utils::Extract, Context, Error};
 
-/// View the current time in your selected timezone
-#[poise::command(slash_command)]
-pub async fn clock(ctx: Context<'_>) -> Result<(), Error> {
+#[derive(Serialize, Deserialize, Extract)]
+pub struct Options;
+
+pub async fn clock(ctx: Context<'_>, _options: Options) -> Result<(), Error> {
     ctx.defer_ephemeral().await?;
 
     let tz = ctx.timezone().await;
@@ -20,3 +22,9 @@ pub async fn clock(ctx: Context<'_>) -> Result<(), Error> {
 
     Ok(())
 }
+
+/// View the current time in your selected timezone
+#[poise::command(slash_command, rename = "clock")]
+pub async fn command(ctx: Context<'_>) -> Result<(), Error> {
+    clock(ctx, Options {}).await
+}

src/commands/dashboard.rs

@@ -1,10 +1,16 @@
 use poise::{serenity_prelude::CreateEmbed, CreateReply};
+use serde::{Deserialize, Serialize};
 
-use crate::{consts::THEME_COLOR, utils::footer, Context, Error};
+use crate::{
+    consts::THEME_COLOR,
+    utils::{footer, Extract},
+    Context, Error,
+};
 
-/// Get the link to the online dashboard
-#[poise::command(slash_command)]
-pub async fn dashboard(ctx: Context<'_>) -> Result<(), Error> {
+#[derive(Serialize, Deserialize, Extract)]
+pub struct Options;
+
+pub async fn dashboard(ctx: Context<'_>, _options: Options) -> Result<(), Error> {
     let footer = footer(ctx);
 
     ctx.send(
@@ -20,3 +26,9 @@ pub async fn dashboard(ctx: Context<'_>) -> Result<(), Error> {
 
     Ok(())
 }
+
+/// Get the link to the web dashboard
+#[poise::command(slash_command, rename = "dashboard")]
+pub async fn command(ctx: Context<'_>) -> Result<(), Error> {
+    dashboard(ctx, Options {}).await
+}

src/commands/delete.rs

@@ -6,6 +6,7 @@ use poise::{
     },
     CreateReply,
 };
+use serde::{Deserialize, Serialize};
 
 use crate::{
     component_models::{
@@ -14,29 +15,10 @@ use crate::{
     },
     consts::{EMBED_DESCRIPTION_MAX_LENGTH, SELECT_MAX_ENTRIES, THEME_COLOR},
     models::{reminder::Reminder, CtxData},
+    utils::Extract,
     Context, Error,
 };
 
-/// Delete reminders
-#[poise::command(
-    slash_command,
-    rename = "del",
-    identifying_name = "delete",
-    default_member_permissions = "MANAGE_GUILD"
-)]
-pub async fn delete(ctx: Context<'_>) -> Result<(), Error> {
-    let timezone = ctx.timezone().await;
-
-    let reminders =
-        Reminder::from_guild(&ctx, &ctx.data().database, ctx.guild_id(), ctx.author().id).await;
-
-    let resp = show_delete_page(&reminders, 0, timezone);
-
-    ctx.send(resp).await?;
-
-    Ok(())
-}
-
 pub fn max_delete_page(reminders: &[Reminder], timezone: &Tz) -> usize {
     let mut rows = 0;
     let mut char_count = 0;
@@ -154,3 +136,25 @@ pub fn show_delete_page(reminders: &[Reminder], page: usize, timezone: Tz) -> Cr
         .embed(embed)
         .components(vec![pager.create_button_row(pages), CreateActionRow::SelectMenu(select_menu)])
 }
+
+#[derive(Serialize, Deserialize, Extract)]
+pub struct Options;
+
+pub async fn delete(ctx: Context<'_>, _options: Options) -> Result<(), Error> {
+    let timezone = ctx.timezone().await;
+
+    let reminders =
+        Reminder::from_guild(&ctx, &ctx.data().database, ctx.guild_id(), ctx.author().id).await;
+
+    let resp = show_delete_page(&reminders, 0, timezone);
+
+    ctx.send(resp).await?;
+
+    Ok(())
+}
+
+/// Delete reminders
+#[poise::command(slash_command, rename = "del", default_member_permissions = "MANAGE_GUILD")]
+pub async fn command(ctx: Context<'_>) -> Result<(), Error> {
+    delete(ctx, Options {}).await
+}

src/commands/donate.rs

@@ -1,10 +1,16 @@
 use poise::{serenity_prelude::CreateEmbed, CreateReply};
+use serde::{Deserialize, Serialize};
 
-use crate::{consts::THEME_COLOR, utils::footer, Context, Error};
+use crate::{
+    consts::THEME_COLOR,
+    utils::{footer, Extract},
+    Context, Error,
+};
 
-/// Details on supporting the bot and Patreon benefits
-#[poise::command(slash_command)]
-pub async fn donate(ctx: Context<'_>) -> Result<(), Error> {
+#[derive(Serialize, Deserialize, Extract)]
+pub struct Options;
+
+pub async fn donate(ctx: Context<'_>, _options: Options) -> Result<(), Error> {
     let footer = footer(ctx);
 
     ctx.send(CreateReply::default().embed(CreateEmbed::new().title("Donate")
@@ -32,3 +38,9 @@ Just $2 USD/month!
 
     Ok(())
 }
+
+/// Details on supporting the bot and Patreon benefits
+#[poise::command(slash_command, rename = "patreon")]
+pub async fn command(ctx: Context<'_>) -> Result<(), Error> {
+    donate(ctx, Options {}).await
+}

src/commands/help.rs

@@ -1,10 +1,16 @@
 use poise::{serenity_prelude::CreateEmbed, CreateReply};
+use serde::{Deserialize, Serialize};
 
-use crate::{consts::THEME_COLOR, utils::footer, Context, Error};
+use crate::{
+    consts::THEME_COLOR,
+    utils::{footer, Extract},
+    Context, Error,
+};
 
-/// Get an overview of bot commands
-#[poise::command(slash_command)]
-pub async fn help(ctx: Context<'_>) -> Result<(), Error> {
+#[derive(Serialize, Deserialize, Extract)]
+pub struct Options;
+
+pub async fn help(ctx: Context<'_>, _options: Options) -> Result<(), Error> {
     let footer = footer(ctx);
 
     ctx.send(
@@ -46,3 +52,9 @@ __Advanced Commands__
 
     Ok(())
 }
+
+/// Get an overview of bot commands
+#[poise::command(slash_command, rename = "help")]
+pub async fn command(ctx: Context<'_>) -> Result<(), Error> {
+    help(ctx, Options {}).await
+}

src/commands/info.rs

@@ -1,19 +1,24 @@
 use poise::{serenity_prelude::CreateEmbed, CreateReply};
+use serde::{Deserialize, Serialize};
 
-use crate::{consts::THEME_COLOR, utils::footer, Context, Error};
+use crate::{
+    consts::THEME_COLOR,
+    utils::{footer, Extract},
+    Context, Error,
+};
 
-/// Get information about the bot
-#[poise::command(slash_command)]
-pub async fn info(ctx: Context<'_>) -> Result<(), Error> {
+#[derive(Serialize, Deserialize, Extract)]
+pub struct Options;
+
+pub async fn info(ctx: Context<'_>, _options: Options) -> Result<(), Error> {
     let footer = footer(ctx);
 
-    let _ = ctx
-        .send(
-            CreateReply::default().ephemeral(true).embed(
-                CreateEmbed::new()
-                    .title("Info")
-                    .description(
-                        "Help: `/help`
+    ctx.send(
+        CreateReply::default().ephemeral(true).embed(
+            CreateEmbed::new()
+                .title("Info")
+                .description(
+                    "Help: `/help`
 
 **Welcome to Reminder Bot!**
 Developer: <@203532103185465344>
@@ -22,12 +27,18 @@ Find me on https://discord.jellywx.com and on https://github.com/JellyWX :)
 
 Invite the bot: https://invite.reminder-bot.com/
 Use our dashboard: https://reminder-bot.com/",
-                    )
-                    .footer(footer)
-                    .color(*THEME_COLOR),
-            ),
-        )
-        .await;
+                )
+                .footer(footer)
+                .color(*THEME_COLOR),
+        ),
+    )
+    .await?;
 
     Ok(())
 }
+
+/// Get information about the bot
+#[poise::command(slash_command, rename = "info")]
+pub async fn command(ctx: Context<'_>) -> Result<(), Error> {
+    info(ctx, Options {}).await
+}

src/commands/look.rs

@@ -1,5 +1,5 @@
 use poise::{
-    serenity_prelude::{model::id::ChannelId, Channel, CreateEmbed, CreateEmbedFooter},
+    serenity_prelude::{model::id::ChannelId, CreateEmbed, CreateEmbedFooter, PartialChannel},
     CreateReply,
 };
 use serde::{Deserialize, Serialize};
@@ -9,17 +9,18 @@ use crate::{
     component_models::pager::{LookPager, Pager},
     consts::{EMBED_DESCRIPTION_MAX_LENGTH, THEME_COLOR},
     models::{reminder::Reminder, CtxData},
+    utils::Extract,
     Context, Error,
 };
 
-#[derive(Serialize_repr, Deserialize_repr, Copy, Clone, Debug)]
+#[derive(Serialize_repr, Deserialize_repr, Copy, Clone)]
 #[repr(u8)]
 pub enum TimeDisplayType {
     Absolute = 0,
     Relative = 1,
 }
 
-#[derive(Serialize, Deserialize, Copy, Clone, Debug)]
+#[derive(Serialize, Deserialize, Copy, Clone)]
 pub struct LookFlags {
     pub show_disabled: bool,
     pub channel_id: Option<ChannelId>,
@@ -32,24 +33,20 @@ impl Default for LookFlags {
     }
 }
 
-/// View reminders on a specific channel
-#[poise::command(
-    slash_command,
-    identifying_name = "look",
-    default_member_permissions = "MANAGE_GUILD"
-)]
-pub async fn look(
-    ctx: Context<'_>,
-    #[description = "Channel to view reminders on"] channel: Option<Channel>,
-    #[description = "Whether to show disabled reminders or not"] disabled: Option<bool>,
-    #[description = "Whether to display times as relative or exact times"] relative: Option<bool>,
-) -> Result<(), Error> {
+#[derive(Serialize, Deserialize, Extract)]
+pub struct Options {
+    channel: Option<PartialChannel>,
+    disabled: Option<bool>,
+    relative: Option<bool>,
+}
+
+pub async fn look(ctx: Context<'_>, options: Options) -> Result<(), Error> {
     let timezone = ctx.timezone().await;
 
     let flags = LookFlags {
-        show_disabled: disabled.unwrap_or(true),
-        channel_id: channel.map(|c| c.id()),
-        time_display: relative.map_or(TimeDisplayType::Relative, |b| {
+        show_disabled: options.disabled.unwrap_or(true),
+        channel_id: options.channel.map(|c| c.id),
+        time_display: options.relative.map_or(TimeDisplayType::Relative, |b| {
             if b {
                 TimeDisplayType::Relative
             } else {
@@ -117,3 +114,14 @@ pub async fn look(
 
     Ok(())
 }
+
+/// View reminders on a specific channel
+#[poise::command(slash_command, rename = "look", default_member_permissions = "MANAGE_GUILD")]
+pub async fn command(
+    ctx: Context<'_>,
+    #[description = "Channel to view reminders on"] channel: Option<PartialChannel>,
+    #[description = "Whether to show disabled reminders or not"] disabled: Option<bool>,
+    #[description = "Whether to display times as relative or exact times"] relative: Option<bool>,
+) -> Result<(), Error> {
+    look(ctx, Options { channel, disabled, relative }).await
+}

src/commands/multiline.rs

@@ -1,11 +1,13 @@
 use chrono_tz::Tz;
 use log::warn;
 use poise::{CreateReply, Modal};
+use serde::{Deserialize, Serialize};
 
 use crate::{
     commands::autocomplete::{time_hint_autocomplete, timezone_autocomplete},
     models::reminder::create_reminder,
-    ApplicationContext, Context, Error,
+    utils::Extract,
+    Context, Error,
 };
 
 #[derive(poise::Modal)]
@@ -18,14 +20,61 @@ struct ContentModal {
     content: String,
 }
 
+#[derive(Serialize, Deserialize, Extract)]
+pub struct Options {
+    time: String,
+    channels: Option<String>,
+    interval: Option<String>,
+    expires: Option<String>,
+    tts: Option<bool>,
+    timezone: Option<String>,
+}
+
+pub async fn multiline(ctx: Context<'_>, options: Options) -> Result<(), Error> {
+    match ctx {
+        Context::Application(app_ctx) => {
+            let tz = options.timezone.map(|t| t.parse::<Tz>().ok()).flatten();
+            let data_opt = ContentModal::execute(app_ctx).await?;
+
+            match data_opt {
+                Some(data) => {
+                    create_reminder(
+                        ctx,
+                        options.time,
+                        data.content,
+                        options.channels,
+                        options.interval,
+                        options.expires,
+                        options.tts,
+                        tz,
+                    )
+                    .await
+                }
+
+                None => {
+                    warn!("Unexpected None encountered in /multiline");
+                    Ok(ctx
+                        .send(CreateReply::default().content("Unexpected error.").ephemeral(true))
+                        .await
+                        .map(|_| ())?)
+                }
+            }
+        }
+
+        _ => {
+            warn!("Shouldn't be here");
+            Ok(ctx
+                .send(CreateReply::default().content("Unexpected error.").ephemeral(true))
+                .await
+                .map(|_| ())?)
+        }
+    }
+}
+
 /// Create a reminder with multi-line content. Press "+4 more" for other options.
-#[poise::command(
-    slash_command,
-    identifying_name = "multiline",
-    default_member_permissions = "MANAGE_GUILD"
-)]
-pub async fn multiline(
-    ctx: ApplicationContext<'_>,
+#[poise::command(slash_command, rename = "multiline", default_member_permissions = "MANAGE_GUILD")]
+pub async fn command(
+    ctx: Context<'_>,
     #[description = "A description of the time to set the reminder for"]
     #[autocomplete = "time_hint_autocomplete"]
     time: String,
@@ -40,30 +89,5 @@ pub async fn multiline(
     #[autocomplete = "timezone_autocomplete"]
     timezone: Option<String>,
 ) -> Result<(), Error> {
-    let tz = timezone.map(|t| t.parse::<Tz>().ok()).flatten();
-    let data_opt = ContentModal::execute(ctx).await?;
-
-    match data_opt {
-        Some(data) => {
-            create_reminder(
-                Context::Application(ctx),
-                time,
-                data.content,
-                channels,
-                interval,
-                expires,
-                tts,
-                tz,
-            )
-            .await
-        }
-
-        None => {
-            warn!("Unexpected None encountered in /multiline");
-            Ok(Context::Application(ctx)
-                .send(CreateReply::default().content("Unexpected error.").ephemeral(true))
-                .await
-                .map(|_| ())?)
-        }
-    }
+    multiline(ctx, Options { time, channels, interval, expires, tts, timezone }).await
 }

src/commands/nudge.rs

@@ -1,15 +1,18 @@
-use crate::{consts::MINUTE, models::CtxData, Context, Error};
+use serde::{Deserialize, Serialize};
 
+use crate::{consts::MINUTE, models::CtxData, utils::Extract, Context, Error};
+
+#[derive(Serialize, Deserialize, Extract)]
 pub struct Options {
-    minutes: Option<isize>,
-    seconds: Option<isize>,
+    minutes: Option<i64>,
+    seconds: Option<i64>,
 }
 
 pub async fn nudge(ctx: Context<'_>, options: Options) -> Result<(), Error> {
     let combined_time =
-        options.minutes.map_or(0, |m| m * MINUTE as isize) + options.seconds.map_or(0, |s| s);
+        options.minutes.map_or(0, |m| m * MINUTE as i64) + options.seconds.map_or(0, |s| s);
 
-    if combined_time < i16::MIN as isize || combined_time > i16::MAX as isize {
+    if combined_time < i16::MIN as i64 || combined_time > i16::MAX as i64 {
         ctx.say("Nudge times must be less than 500 minutes").await?;
     } else {
         let mut channel_data = ctx.channel_data().await.unwrap();
@@ -24,15 +27,11 @@ pub async fn nudge(ctx: Context<'_>, options: Options) -> Result<(), Error> {
 }
 
 /// Nudge all future reminders on this channel by a certain amount (don't use for DST! See `/offset`)
-#[poise::command(
-    slash_command,
-    identifying_name = "nudge",
-    default_member_permissions = "MANAGE_GUILD"
-)]
+#[poise::command(slash_command, rename = "nudge", default_member_permissions = "MANAGE_GUILD")]
 pub async fn command(
     ctx: Context<'_>,
-    #[description = "Number of minutes to nudge new reminders by"] minutes: Option<isize>,
-    #[description = "Number of seconds to nudge new reminders by"] seconds: Option<isize>,
+    #[description = "Number of minutes to nudge new reminders by"] minutes: Option<i64>,
+    #[description = "Number of seconds to nudge new reminders by"] seconds: Option<i64>,
 ) -> Result<(), Error> {
     nudge(ctx, Options { minutes, seconds }).await
 }

src/commands/offset.rs

@@ -2,21 +2,22 @@ use serde::{Deserialize, Serialize};
 
 use crate::{
     consts::{HOUR, MINUTE},
+    utils::Extract,
     Context, Error,
 };
 
-#[derive(Serialize, Deserialize, Default)]
+#[derive(Serialize, Deserialize, Extract)]
 pub struct Options {
-    hours: Option<isize>,
-    minutes: Option<isize>,
-    seconds: Option<isize>,
+    hours: Option<i64>,
+    minutes: Option<i64>,
+    seconds: Option<i64>,
 }
 
 async fn offset(ctx: Context<'_>, options: Options) -> Result<(), Error> {
     ctx.defer().await?;
 
-    let combined_time = options.hours.map_or(0, |h| h * HOUR as isize)
-        + options.minutes.map_or(0, |m| m * MINUTE as isize)
+    let combined_time = options.hours.map_or(0, |h| h * HOUR as i64)
+        + options.minutes.map_or(0, |m| m * MINUTE as i64)
         + options.seconds.map_or(0, |s| s);
 
     if combined_time == 0 {
@@ -69,16 +70,12 @@ async fn offset(ctx: Context<'_>, options: Options) -> Result<(), Error> {
 }
 
 /// Move all reminders in the current server by a certain amount of time. Times get added together
-#[poise::command(
-    slash_command,
-    identifying_name = "offset",
-    default_member_permissions = "MANAGE_GUILD"
-)]
+#[poise::command(slash_command, rename = "offset", default_member_permissions = "MANAGE_GUILD")]
 pub async fn command(
     ctx: Context<'_>,
-    #[description = "Number of hours to offset by"] hours: Option<isize>,
-    #[description = "Number of minutes to offset by"] minutes: Option<isize>,
-    #[description = "Number of seconds to offset by"] seconds: Option<isize>,
+    #[description = "Number of hours to offset by"] hours: Option<i64>,
+    #[description = "Number of minutes to offset by"] minutes: Option<i64>,
+    #[description = "Number of seconds to offset by"] seconds: Option<i64>,
 ) -> Result<(), Error> {
     offset(ctx, Options { hours, minutes, seconds }).await
 }

src/commands/pause.rs

@@ -1,22 +1,13 @@
 use chrono::NaiveDateTime;
 use serde::{Deserialize, Serialize};
 
-use crate::{
-    models::CtxData, time_parser::natural_parser, utils::Extract, ApplicationContext, Context,
-    Error,
-};
+use crate::{models::CtxData, time_parser::natural_parser, utils::Extract, Context, Error};
 
 #[derive(Serialize, Deserialize, Extract)]
 pub struct Options {
     until: Option<String>,
 }
 
-impl Extract for Options {
-    fn extract(ctx: ApplicationContext) -> Self {
-        Self { until: extract_arg!(ctx, "until", Option<String>) }
-    }
-}
-
 pub async fn pause(ctx: Context<'_>, options: Options) -> Result<(), Error> {
     let timezone = ctx.timezone().await;
 
@@ -73,11 +64,7 @@ pub async fn pause(ctx: Context<'_>, options: Options) -> Result<(), Error> {
 }
 
 /// Pause all reminders on the current channel until a certain time or indefinitely
-#[poise::command(
-    slash_command,
-    identifying_name = "pause",
-    default_member_permissions = "MANAGE_GUILD"
-)]
+#[poise::command(slash_command, rename = "pause", default_member_permissions = "MANAGE_GUILD")]
 pub async fn command(
     ctx: Context<'_>,
     #[description = "When to pause until"] until: Option<String>,

src/commands/remind.rs

@@ -4,11 +4,11 @@ use serde::{Deserialize, Serialize};
 use crate::{
     commands::autocomplete::{time_hint_autocomplete, timezone_autocomplete},
     models::reminder::create_reminder,
-    utils::{extract_arg, Extract},
-    ApplicationContext, Context, Error,
+    utils::Extract,
+    Context, Error,
 };
 
-#[derive(Serialize, Deserialize)]
+#[derive(Serialize, Deserialize, Extract)]
 pub struct Options {
     time: String,
     content: String,
@@ -19,20 +19,6 @@ pub struct Options {
     timezone: Option<String>,
 }
 
-impl Extract for Options {
-    fn extract(ctx: ApplicationContext) -> Self {
-        Self {
-            time: extract_arg!(ctx, "time", String),
-            content: extract_arg!(ctx, "content", String),
-            channels: extract_arg!(ctx, "channels", Option<String>),
-            interval: extract_arg!(ctx, "interval", Option<String>),
-            expires: extract_arg!(ctx, "expires", Option<String>),
-            tts: extract_arg!(ctx, "tts", Option<bool>),
-            timezone: extract_arg!(ctx, "timezone", Option<String>),
-        }
-    }
-}
-
 pub async fn remind(ctx: Context<'_>, options: Options) -> Result<(), Error> {
     let tz = options.timezone.map(|t| t.parse::<Tz>().ok()).flatten();
 
@@ -50,11 +36,7 @@ pub async fn remind(ctx: Context<'_>, options: Options) -> Result<(), Error> {
 }
 
 /// Create a reminder. Press "+4 more" for other options. Use "/multiline" for multiline content.
-#[poise::command(
-    slash_command,
-    identifying_name = "remind",
-    default_member_permissions = "MANAGE_GUILD"
-)]
+#[poise::command(slash_command, rename = "remind", default_member_permissions = "MANAGE_GUILD")]
 pub async fn command(
     ctx: Context<'_>,
     #[description = "The time (and optionally date) to set the reminder for"]

src/commands/timezone.rs

@@ -8,11 +8,11 @@ use poise::{
 use serde::{Deserialize, Serialize};
 
 use crate::{
-    commands::autocomplete::timezone_autocomplete, consts::THEME_COLOR, models::CtxData, Context,
-    Error,
+    commands::autocomplete::timezone_autocomplete, consts::THEME_COLOR, models::CtxData,
+    utils::Extract, Context, Error,
 };
 
-#[derive(Serialize, Deserialize)]
+#[derive(Serialize, Deserialize, Extract)]
 pub struct Options {
     pub timezone: Option<String>,
 }
@@ -116,7 +116,7 @@ You may want to use one of the popular timezones below, otherwise click [here](h
 }
 
 /// Select your timezone
-#[poise::command(slash_command, identifying_name = "timezone")]
+#[poise::command(slash_command, rename = "timezone")]
 pub async fn command(
     ctx: Context<'_>,
     #[description = "Timezone to use from this list: https://gist.github.com/JellyWX/913dfc8b63d45192ad6cb54c829324ee"]

src/commands/webhook.rs

@@ -2,17 +2,11 @@ use log::warn;
 use poise::CreateReply;
 use serde::{Deserialize, Serialize};
 
-use crate::{models::CtxData, utils::Extract, ApplicationContext, Context, Error};
+use crate::{models::CtxData, utils::Extract, Context, Error};
 
-#[derive(Serialize, Deserialize)]
+#[derive(Serialize, Deserialize, Extract)]
 pub struct Options;
 
-impl Extract for Options {
-    fn extract(_ctx: ApplicationContext) -> Self {
-        Self {}
-    }
-}
-
 pub async fn webhook(ctx: Context<'_>, _options: Options) -> Result<(), Error> {
     match ctx.channel_data().await {
         Ok(data) => {
@@ -40,11 +34,7 @@ Do not share it!
 }
 
 /// View the webhook being used to send reminders to this channel
-#[poise::command(
-    slash_command,
-    identifying_name = "webhook_url",
-    required_permissions = "ADMINISTRATOR"
-)]
+#[poise::command(slash_command, rename = "webhook", required_permissions = "ADMINISTRATOR")]
 pub async fn command(ctx: Context<'_>) -> Result<(), Error> {
     webhook(ctx, Options {}).await
 }

src/extract_macro/src/lib.rs

@@ -1,70 +0,0 @@
-macro_rules! extract_arg {
-    ($ctx:ident, $name:literal, String) => {
-        $ctx.args.iter().find(|opt| opt.name == $name).map(|opt| &opt.value).map_or_else(
-            || String::new(),
-            |v| match v {
-                poise::serenity_prelude::ResolvedValue::String(s) => s.to_string(),
-                _ => String::new(),
-            },
-        )
-    };
-    ($ctx:ident, $name:literal, Option<String>) => {
-        $ctx.args
-            .iter()
-            .find(|opt| opt.name == $name)
-            .map(|opt| &opt.value)
-            .map(|v| match v {
-                poise::serenity_prelude::ResolvedValue::String(s) => Some(s.to_string()),
-                _ => None,
-            })
-            .flatten()
-    };
-    ($ctx:ident, $name:literal, bool) => {
-        $ctx.args.iter().find(|opt| opt.name == $name).map(|opt| &opt.value).map_or(false, |v| {
-            match v {
-                poise::serenity_prelude::ResolvedValue::Boolean(b) => b.to_owned(),
-                _ => false,
-            }
-        })
-    };
-    ($ctx:ident, $name:literal, Option<bool>) => {
-        $ctx.args
-            .iter()
-            .find(|opt| opt.name == $name)
-            .map(|opt| &opt.value)
-            .map(|v| match v {
-                poise::serenity_prelude::ResolvedValue::Boolean(b) => Some(b.to_owned()),
-                _ => None,
-            })
-            .flatten()
-    };
-}
-
-use proc_macro::TokenStream;
-use syn::parse::Parser;
-
-#[proc_macro_derive(Extract)]
-pub fn extract(input: TokenStream) -> TokenStream {
-    // Construct a string representation of the type definition
-    let s = input.to_string();
-
-    // Parse the string representation
-    let ast = syn::parse_derive_input(&s).unwrap();
-
-    // Build the impl
-    let gen = impl_extract(&ast);
-
-    // Return the generated impl
-    gen.parse().unwrap()
-}
-
-fn impl_extract(ast: &syn::DeriveInput) -> TokenStream {
-    let name = &ast.ident;
-    TokenStream::from(quote::quote! {
-        impl Extract for #name {
-            fn extract(ctx: ) -> Self {
-                println!("Hello, World! My name is {}", stringify!(#name));
-            }
-        }
-    })
-}

src/main.rs

@@ -35,9 +35,9 @@ use tokio::sync::{broadcast, broadcast::Sender, RwLock};
 
 use crate::{
     commands::{
-        allowed_dm, clock::clock, clock_context_menu::clock_context_menu, command_macro,
-        dashboard::dashboard, delete, donate::donate, help::help, info::info, look, multiline,
-        nudge, offset, pause, remind, settings, timer, timezone, todo, webhook,
+        allowed_dm, clock, clock_context_menu::clock_context_menu, command_macro, dashboard,
+        delete, donate, help, info, look, multiline, nudge, offset, pause, remind, settings, timer,
+        timezone, todo, webhook,
     },
     consts::THEME_COLOR,
     event_handlers::listener,
@@ -103,12 +103,12 @@ async fn _main(tx: Sender<()>) -> Result<(), Box<dyn StdError + Send + Sync>> {
 
     let options = poise::FrameworkOptions {
         commands: vec![
-            help(),
-            info(),
-            donate(),
-            clock(),
+            help::command(),
+            info::command(),
+            clock::command(),
+            donate::command(),
             clock_context_menu(),
-            dashboard(),
+            dashboard::command(),
             timezone::command(),
             poise::Command {
                 subcommands: vec![
@@ -141,8 +141,8 @@ async fn _main(tx: Sender<()>) -> Result<(), Box<dyn StdError + Send + Sync>> {
             pause::command(),
             offset::command(),
             nudge::command(),
-            look::look(),
-            delete::delete(),
+            look::command(),
+            delete::command(),
             poise::Command {
                 subcommands: vec![
                     timer::list_timer::list_timer(),
@@ -151,7 +151,7 @@ async fn _main(tx: Sender<()>) -> Result<(), Box<dyn StdError + Send + Sync>> {
                 ],
                 ..timer::timer()
             },
-            multiline::multiline(),
+            multiline::command(),
             remind::command(),
             poise::Command {
                 subcommands: vec![

src/utils.rs

@@ -68,3 +68,90 @@ pub fn footer(ctx: Context<'_>) -> CreateEmbedFooter {
 pub trait Extract {
     fn extract(ctx: ApplicationContext) -> Self;
 }
+
+pub use extract_macro::Extract;
+
+macro_rules! extract_arg {
+    ($ctx:ident, $name:ident, String) => {
+        $ctx.args
+            .iter()
+            .find(|opt| opt.name == stringify!($name))
+            .map(|opt| &opt.value)
+            .map_or_else(
+                || String::new(),
+                |v| match v {
+                    poise::serenity_prelude::ResolvedValue::String(s) => s.to_string(),
+                    _ => String::new(),
+                },
+            )
+    };
+    ($ctx:ident, $name:ident, Option<String>) => {
+        $ctx.args
+            .iter()
+            .find(|opt| opt.name == stringify!($name))
+            .map(|opt| &opt.value)
+            .map(|v| match v {
+                poise::serenity_prelude::ResolvedValue::String(s) => Some(s.to_string()),
+                _ => None,
+            })
+            .flatten()
+    };
+    ($ctx:ident, $name:ident, bool) => {
+        $ctx.args.iter().find(|opt| opt.name == stringify!($name)).map(|opt| &opt.value).map_or(
+            false,
+            |v| match v {
+                poise::serenity_prelude::ResolvedValue::Boolean(b) => b.to_owned(),
+                _ => false,
+            },
+        )
+    };
+    ($ctx:ident, $name:ident, Option<bool>) => {
+        $ctx.args
+            .iter()
+            .find(|opt| opt.name == stringify!($name))
+            .map(|opt| &opt.value)
+            .map(|v| match v {
+                poise::serenity_prelude::ResolvedValue::Boolean(b) => Some(b.to_owned()),
+                _ => None,
+            })
+            .flatten()
+    };
+    ($ctx:ident, $name:ident, Option<PartialChannel>) => {
+        $ctx.args
+            .iter()
+            .find(|opt| opt.name == stringify!($name))
+            .map(|opt| &opt.value)
+            .map(|v| match v {
+                poise::serenity_prelude::ResolvedValue::Channel(partial) => {
+                    Some(partial.to_owned())
+                }
+                _ => None,
+            })
+            .flatten()
+            .cloned()
+    };
+    ($ctx:ident, $name:ident, i64) => {
+        $ctx.args
+            .iter()
+            .find(|opt| opt.name == stringify!($name))
+            .map(|opt| &opt.value)
+            .map(|v| match v {
+                poise::serenity_prelude::ResolvedValue::Integer(int) => *int,
+                _ => 0,
+            })
+            .flatten()
+    };
+    ($ctx:ident, $name:ident, Option<i64>) => {
+        $ctx.args
+            .iter()
+            .find(|opt| opt.name == stringify!($name))
+            .map(|opt| &opt.value)
+            .map(|v| match v {
+                poise::serenity_prelude::ResolvedValue::Integer(int) => Some(*int),
+                _ => None,
+            })
+            .flatten()
+    };
+}
+
+pub(crate) use extract_arg;