cleared up all unwraps from the reminder sender. cleared up clippy lints. added undo button

postman/src/sender.rs

@@ -58,10 +58,10 @@ fn fmt_displacement(format: &str, seconds: u64) -> String {
 
 pub fn substitute(string: &str) -> String {
     let new = TIMEFROM_REGEX.replace(string, |caps: &Captures| {
-        let final_time = caps.name("time").unwrap().as_str();
+        let final_time = caps.name("time").map(|m| m.as_str().parse::<i64>().ok()).flatten();
-        let format = caps.name("format").unwrap().as_str();
+        let format = caps.name("format").map(|m| m.as_str());
 
-        if let Ok(final_time) = final_time.parse::<i64>() {
+        if let (Some(final_time), Some(format)) = (final_time, format) {
             let dt = NaiveDateTime::from_timestamp(final_time, 0);
             let now = Utc::now().naive_utc();
 
@@ -81,13 +81,11 @@ pub fn substitute(string: &str) -> String {
 
     TIMENOW_REGEX
         .replace(&new, |caps: &Captures| {
-            let timezone = caps.name("timezone").unwrap().as_str();
+            let timezone = caps.name("timezone").map(|m| m.as_str().parse::<Tz>().ok()).flatten();
+            let format = caps.name("format").map(|m| m.as_str());
 
-            println!("{}", timezone);
+            if let (Some(timezone), Some(format)) = (timezone, format) {
-
+                let now = Utc::now().with_timezone(&timezone);
-            if let Ok(tz) = timezone.parse::<Tz>() {
-                let format = caps.name("format").unwrap().as_str();
-                let now = Utc::now().with_timezone(&tz);
 
                 now.format(format).to_string()
             } else {
@@ -122,7 +120,7 @@ impl Embed {
         pool: impl Executor<'_, Database = Database> + Copy,
         id: u32,
     ) -> Option<Self> {
-        let mut embed = sqlx::query_as!(
+        match sqlx::query_as!(
             Self,
             r#"
             SELECT
@@ -142,8 +140,8 @@ impl Embed {
         )
         .fetch_one(pool)
         .await
-        .unwrap();
+        {
-
+            Ok(mut embed) => {
                 embed.title = substitute(&embed.title);
                 embed.description = substitute(&embed.description);
                 embed.footer = substitute(&embed.footer);
@@ -160,6 +158,14 @@ impl Embed {
                 }
             }
 
+            Err(e) => {
+                warn!("Error loading embed from reminder: {:?}", e);
+
+                None
+            }
+        }
+    }
+
     pub fn has_content(&self) -> bool {
         if self.title.is_empty()
             && self.description.is_empty()
@@ -251,9 +257,9 @@ pub struct Reminder {
 
 impl Reminder {
     pub async fn fetch_reminders(pool: impl Executor<'_, Database = Database> + Copy) -> Vec<Self> {
-        sqlx::query_as_unchecked!(
+        match sqlx::query_as!(
             Reminder,
-            "
+            r#"
 SELECT
     reminders.`id` AS id,
 
@@ -261,20 +267,20 @@ SELECT
     channels.`webhook_id` AS webhook_id,
     channels.`webhook_token` AS webhook_token,
 
-    channels.`paused` AS channel_paused,
+    channels.`paused` AS "channel_paused:_",
-    channels.`paused_until` AS channel_paused_until,
+    channels.`paused_until` AS "channel_paused_until:_",
-    reminders.`enabled` AS enabled,
+    reminders.`enabled` AS "enabled:_",
 
-    reminders.`tts` AS tts,
+    reminders.`tts` AS "tts:_",
-    reminders.`pin` AS pin,
+    reminders.`pin` AS "pin:_",
     reminders.`content` AS content,
     reminders.`attachment` AS attachment,
     reminders.`attachment_name` AS attachment_name,
 
-    reminders.`utc_time` AS 'utc_time',
+    reminders.`utc_time` AS "utc_time:_",
     reminders.`timezone` AS timezone,
-    reminders.`restartable` AS restartable,
+    reminders.`restartable` AS "restartable:_",
-    reminders.`expires` AS expires,
+    reminders.`expires` AS "expires:_",
     reminders.`interval_seconds` AS 'interval_seconds',
     reminders.`interval_months` AS 'interval_months',
 
@@ -288,18 +294,26 @@ ON
     reminders.channel_id = channels.id
 WHERE
     reminders.`utc_time` < NOW()
-            ",
+            "#,
         )
         .fetch_all(pool)
         .await
-        .unwrap()
+        {
+            Ok(reminders) => reminders
                 .into_iter()
                 .map(|mut rem| {
                     rem.content = substitute(&rem.content);
 
                     rem
                 })
-        .collect::<Vec<Self>>()
+                .collect::<Vec<Self>>(),
+
+            Err(e) => {
+                warn!("Could not fetch reminders: {:?}", e);
+
+                vec![]
+            }
+        }
     }
 
     async fn reset_webhook(&self, pool: impl Executor<'_, Database = Database> + Copy) {
@@ -319,7 +333,7 @@ UPDATE channels SET webhook_id = NULL, webhook_token = NULL WHERE channel = ?
             let mut updated_reminder_time = self.utc_time;
 
             if let Some(interval) = self.interval_months {
-                let row = sqlx::query!(
+                match sqlx::query!(
                     // use the second date_add to force return value to datetime
                     "SELECT DATE_ADD(DATE_ADD(?, INTERVAL ? MONTH), INTERVAL 0 SECOND) AS new_time",
                     updated_reminder_time,
@@ -327,9 +341,25 @@ UPDATE channels SET webhook_id = NULL, webhook_token = NULL WHERE channel = ?
                 )
                 .fetch_one(pool)
                 .await
-                .unwrap();
+                {
+                    Ok(row) => match row.new_time {
+                        Some(datetime) => {
+                            updated_reminder_time = datetime;
+                        }
+                        None => {
+                            warn!("Could not update interval by months: got NULL");
 
-                updated_reminder_time = row.new_time.unwrap();
+                            updated_reminder_time += Duration::days(30);
+                        }
+                    },
+
+                    Err(e) => {
+                        warn!("Could not update interval by months: {:?}", e);
+
+                        // naively fallback to adding 30 days
+                        updated_reminder_time += Duration::days(30);
+                    }
+                }
             }
 
             if let Some(interval) = self.interval_seconds {
@@ -538,7 +568,7 @@ UPDATE `channels` SET paused = 0, paused_until = NULL WHERE `channel` = ?
                 error!("Error sending {:?}: {:?}", self, e);
 
                 if let Error::Http(error) = e {
-                    if error.status_code() == Some(StatusCode::from_u16(404).unwrap()) {
+                    if error.status_code() == Some(StatusCode::NOT_FOUND) {
                         error!("Seeing channel is deleted. Removing reminder");
                         self.force_delete(pool).await;
                     } else {

src/commands/info_cmds.rs

@@ -71,7 +71,7 @@ pub async fn info(ctx: Context<'_>) -> Result<(), Error> {
         .send(|m| {
             m.ephemeral(true).embed(|e| {
                 e.title("Info")
-                    .description(format!(
+                    .description(
                         "Help: `/help`
 
 **Welcome to Reminder Bot!**
@@ -81,7 +81,7 @@ 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)
             })

src/commands/moderation_cmds.rs

@@ -1,3 +1,5 @@
+use std::collections::hash_map::Entry;
+
 use chrono::offset::Utc;
 use chrono_tz::{Tz, TZ_VARIANTS};
 use levenshtein::levenshtein;
@@ -52,7 +54,7 @@ pub async fn timezone(
                             .description(format!(
                                 "Timezone has been set to **{}**. Your current time should be `{}`",
                                 timezone,
-                                now.format("%H:%M").to_string()
+                                now.format("%H:%M")
                             ))
                             .color(*THEME_COLOR)
                     })
@@ -75,10 +77,7 @@ pub async fn timezone(
                 let fields = filtered_tz.iter().map(|tz| {
                     (
                         tz.to_string(),
-                        format!(
+                        format!("🕗 `{}`", Utc::now().with_timezone(tz).format("%H:%M")),
-                            "🕗 `{}`",
-                            Utc::now().with_timezone(tz).format("%H:%M").to_string()
-                        ),
                         true,
                     )
                 });
@@ -98,11 +97,7 @@ pub async fn timezone(
         }
     } else {
         let popular_timezones_iter = ctx.data().popular_timezones.iter().map(|t| {
-            (
+            (t.to_string(), format!("🕗 `{}`", Utc::now().with_timezone(t).format("%H:%M")), true)
-                t.to_string(),
-                format!("🕗 `{}`", Utc::now().with_timezone(t).format("%H:%M").to_string()),
-                true,
-            )
         });
 
         ctx.send(|m| {
@@ -142,7 +137,7 @@ WHERE
     )
     .fetch_all(&ctx.data().database)
     .await
-    .unwrap_or(vec![])
+    .unwrap_or_default()
     .iter()
     .map(|s| s.name.clone())
     .collect()
@@ -200,14 +195,11 @@ Please select a unique name for your macro.",
         let okay = {
             let mut lock = ctx.data().recording_macros.write().await;
 
-            if lock.contains_key(&(guild_id, ctx.author().id)) {
+            if let Entry::Vacant(e) = lock.entry((guild_id, ctx.author().id)) {
-                false
+                e.insert(CommandMacro { guild_id, name, description, commands: vec![] });
-            } else {
-                lock.insert(
-                    (guild_id, ctx.author().id),
-                    CommandMacro { guild_id, name, description, commands: vec![] },
-                );
                 true
+            } else {
+                false
             }
         };
 

src/commands/reminder_cmds.rs

@@ -9,13 +9,14 @@ use chrono_tz::Tz;
 use num_integer::Integer;
 use poise::{
     serenity::{builder::CreateEmbed, model::channel::Channel},
+    serenity_prelude::{ButtonStyle, ReactionType},
     CreateReply,
 };
 
 use crate::{
     component_models::{
         pager::{DelPager, LookPager, Pager},
-        ComponentDataModel, DelSelector,
+        ComponentDataModel, DelSelector, UndoReminder,
     },
     consts::{
         EMBED_DESCRIPTION_MAX_LENGTH, HOUR, MINUTE, REGEX_CHANNEL_USER, SELECT_MAX_ENTRIES,
@@ -500,8 +501,7 @@ pub async fn start_timer(
     if count >= 25 {
         ctx.say("You already have 25 timers. Please delete some timers before creating a new one")
             .await?;
-    } else {
+    } else if name.len() <= 32 {
-        if name.len() <= 32 {
         Timer::create(&name, owner, &ctx.data().database).await;
 
         ctx.say("Created a new timer").await?;
@@ -512,7 +512,6 @@ pub async fn start_timer(
         ))
         .await?;
     }
-    }
 
     Ok(())
 }
@@ -589,8 +588,7 @@ pub async fn remind(
             };
 
             let scopes = {
-                let list =
+                let list = channels.map(|arg| parse_mention_list(&arg)).unwrap_or_default();
-                    channels.map(|arg| parse_mention_list(&arg.to_string())).unwrap_or_default();
 
                 if list.is_empty() {
                     if ctx.guild_id().is_some() {
@@ -610,7 +608,7 @@ pub async fn remind(
                 {
                     (
                         parse_duration(repeat)
-                            .or_else(|_| parse_duration(&format!("1 {}", repeat.to_string())))
+                            .or_else(|_| parse_duration(&format!("1 {}", repeat)))
                             .ok(),
                         {
                             if let Some(arg) = &expires {
@@ -653,8 +651,33 @@ pub async fn remind(
 
                 let (errors, successes) = builder.build().await;
 
-                let embed = create_response(successes, errors, time);
+                let embed = create_response(&successes, &errors, time);
 
+                if successes.len() == 1 {
+                    let reminder = successes.iter().next().map(|(r, _)| r.id).unwrap();
+                    let undo_button = ComponentDataModel::UndoReminder(UndoReminder {
+                        user_id: ctx.author().id,
+                        reminder_id: reminder,
+                    });
+
+                    ctx.send(|m| {
+                        m.embed(|c| {
+                            *c = embed;
+                            c
+                        })
+                        .components(|c| {
+                            c.create_action_row(|r| {
+                                r.create_button(|b| {
+                                    b.emoji(ReactionType::Unicode("🔕".to_string()))
+                                        .label("Cancel")
+                                        .style(ButtonStyle::Danger)
+                                        .custom_id(undo_button.to_custom_id())
+                                })
+                            })
+                        })
+                    })
+                    .await?;
+                } else {
                     ctx.send(|m| {
                         m.embed(|c| {
                             *c = embed;
@@ -664,6 +687,7 @@ pub async fn remind(
                     .await?;
                 }
             }
+        }
         None => {
             ctx.say("Time could not be processed").await?;
         }
@@ -673,8 +697,8 @@ pub async fn remind(
 }
 
 fn create_response(
-    successes: HashSet<ReminderScope>,
+    successes: &HashSet<(Reminder, ReminderScope)>,
-    errors: HashSet<ReminderError>,
+    errors: &HashSet<ReminderError>,
     time: i64,
 ) -> CreateEmbed {
     let success_part = match successes.len() {
@@ -682,7 +706,8 @@ fn create_response(
         n => format!(
             "Reminder{s} for {locations} set for <t:{offset}:R>",
             s = if n > 1 { "s" } else { "" },
-            locations = successes.iter().map(|l| l.mention()).collect::<Vec<String>>().join(", "),
+            locations =
+                successes.iter().map(|(_, l)| l.mention()).collect::<Vec<String>>().join(", "),
             offset = time
         ),
     };

src/commands/todo_cmds.rs

@@ -336,7 +336,7 @@ pub fn show_todo_page(
                                 opt.create_option(|o| {
                                     o.label(format!("Mark {} complete", count + first_num))
                                         .value(id)
-                                        .description(disp.split_once(" ").unwrap_or(("", "")).1)
+                                        .description(disp.split_once(' ').unwrap_or(("", "")).1)
                                 });
                             }
 

src/component_models/mod.rs

@@ -3,14 +3,20 @@ pub(crate) mod pager;
 use std::io::Cursor;
 
 use chrono_tz::Tz;
-use poise::serenity::{
+use log::warn;
+use poise::{
+    serenity::{
         builder::CreateEmbed,
         client::Context,
         model::{
             channel::Channel,
-        interactions::{message_component::MessageComponentInteraction, InteractionResponseType},
+            interactions::{
+                message_component::MessageComponentInteraction, InteractionResponseType,
+            },
             prelude::InteractionApplicationCommandCallbackDataFlags,
         },
+    },
+    serenity_prelude as serenity,
 };
 use rmp_serde::Serializer;
 use serde::{Deserialize, Serialize};
@@ -38,6 +44,7 @@ pub enum ComponentDataModel {
     DelSelector(DelSelector),
     TodoSelector(TodoSelector),
     MacroPager(MacroPager),
+    UndoReminder(UndoReminder),
 }
 
 impl ComponentDataModel {
@@ -334,6 +341,70 @@ WHERE guilds.guild = ?",
                     })
                     .await;
             }
+            ComponentDataModel::UndoReminder(undo_reminder) => {
+                if component.user.id == undo_reminder.user_id {
+                    let reminder =
+                        Reminder::from_id(&data.database, undo_reminder.reminder_id).await;
+
+                    if let Some(reminder) = reminder {
+                        match reminder.delete(&data.database).await {
+                            Ok(()) => {
+                                let _ = component
+                                    .create_interaction_response(&ctx, |f| {
+                                        f.kind(InteractionResponseType::UpdateMessage)
+                                            .interaction_response_data(|d| {
+                                                d.embed(|e| {
+                                                    e.title("Reminder Canceled")
+                                                        .description(
+                                                            "This reminder has been canceled.",
+                                                        )
+                                                        .color(*THEME_COLOR)
+                                                })
+                                                .components(|c| c)
+                                            })
+                                    })
+                                    .await;
+                            }
+                            Err(e) => {
+                                warn!("Error canceling reminder: {:?}", e);
+
+                                let _ = component
+                                    .create_interaction_response(&ctx, |f| {
+                                        f.kind(InteractionResponseType::ChannelMessageWithSource)
+                                            .interaction_response_data(|d| {
+                                                d.content(
+                                                    "The reminder could not be canceled: it may have already been deleted. Check `/del`!")
+                                                    .ephemeral(true)
+                                            })
+                                    })
+                                    .await;
+                            }
+                        }
+                    } else {
+                        let _ = component
+                            .create_interaction_response(&ctx, |f| {
+                                f.kind(InteractionResponseType::ChannelMessageWithSource)
+                                    .interaction_response_data(|d| {
+                                        d.content(
+                                            "The reminder could not be canceled: it may have already been deleted. Check `/del`!")
+                                            .ephemeral(true)
+                                    })
+                            })
+                            .await;
+                    }
+                } else {
+                    let _ = component
+                        .create_interaction_response(&ctx, |f| {
+                            f.kind(InteractionResponseType::ChannelMessageWithSource)
+                                .interaction_response_data(|d| {
+                                    d.content(
+                                        "Only the user who performed the command can use this button.")
+                                        .ephemeral(true)
+                                })
+                        })
+                        .await;
+                }
+            }
         }
     }
 }
@@ -351,3 +422,9 @@ pub struct TodoSelector {
     pub channel_id: Option<u64>,
     pub guild_id: Option<u64>,
 }
+
+#[derive(Serialize, Deserialize)]
+pub struct UndoReminder {
+    pub user_id: serenity::UserId,
+    pub reminder_id: u32,
+}

src/consts.rs

@@ -36,15 +36,11 @@ lazy_static! {
     );
     pub static ref CNC_GUILD: Option<u64> =
         env::var("CNC_GUILD").map(|var| var.parse::<u64>().ok()).ok().flatten();
-    pub static ref MIN_INTERVAL: i64 = env::var("MIN_INTERVAL")
+    pub static ref MIN_INTERVAL: i64 =
-        .ok()
+        env::var("MIN_INTERVAL").ok().and_then(|inner| inner.parse::<i64>().ok()).unwrap_or(600);
-        .map(|inner| inner.parse::<i64>().ok())
-        .flatten()
-        .unwrap_or(600);
     pub static ref MAX_TIME: i64 = env::var("MAX_TIME")
         .ok()
-        .map(|inner| inner.parse::<i64>().ok())
+        .and_then(|inner| inner.parse::<i64>().ok())
-        .flatten()
         .unwrap_or(60 * 60 * 24 * 365 * 50);
     pub static ref LOCAL_TIMEZONE: String =
         env::var("LOCAL_TIMEZONE").unwrap_or_else(|_| "UTC".to_string());

src/event_handlers.rs

@@ -42,7 +42,7 @@ pub async fn listener(
                         };
                     });
                 } else {
-                    warn!("Not running postman")
+                    warn!("Not running postman");
                 }
 
                 if !run_settings.contains("web") {
@@ -50,7 +50,7 @@ pub async fn listener(
                         reminder_web::initialize(kill_tx, ctx2, pool2).await.unwrap();
                     });
                 } else {
-                    warn!("Not running web")
+                    warn!("Not running web");
                 }
 
                 data.is_loop_running.swap(true, Ordering::Relaxed);
@@ -114,14 +114,13 @@ pub async fn listener(
                 .execute(&data.database)
                 .await;
         }
-        poise::Event::InteractionCreate { interaction } => match interaction {
+        poise::Event::InteractionCreate { interaction } => {
-            Interaction::MessageComponent(component) => {
+            if let Interaction::MessageComponent(component) = interaction {
                 let component_model = ComponentDataModel::from_custom_id(&component.data.custom_id);
 
                 component_model.act(ctx, data, component).await;
             }
-            _ => {}
+        }
-        },
         _ => {}
     }
 

src/hooks.rs

@@ -30,19 +30,13 @@ async fn macro_check(ctx: Context<'_>) -> bool {
                             .await;
                     }
 
-                    false
+                    return false;
-                } else {
-                    true
                 }
-            } else {
-                true
             }
-        } else {
-            true
         }
-    } else {
-        true
     }
+
+    true
 }
 
 async fn check_self_permissions(ctx: Context<'_>) -> bool {
@@ -56,14 +50,13 @@ async fn check_self_permissions(ctx: Context<'_>) -> bool {
         let (view_channel, send_messages, embed_links) = ctx
             .channel_id()
             .to_channel_cached(&ctx.discord())
-            .map(|c| {
+            .and_then(|c| {
                 if let Channel::Guild(channel) = c {
                     channel.permissions_for_user(&ctx.discord(), user_id).ok()
                 } else {
                     None
                 }
             })
-            .flatten()
             .map_or((false, false, false), |p| {
                 (p.view_channel(), p.send_messages(), p.embed_links())
             });

src/interval_parser.rs

@@ -75,7 +75,7 @@ impl fmt::Display for Error {
         match self {
             Error::InvalidCharacter(offset) => write!(f, "invalid character at {}", offset),
             Error::NumberExpected(offset) => write!(f, "expected number at {}", offset),
-            Error::UnknownUnit { unit, value, .. } if &unit == &"" => {
+            Error::UnknownUnit { unit, value, .. } if unit.is_empty() => {
                 write!(f, "time unit needed, for example {0}sec or {0}ms", value,)
             }
             Error::UnknownUnit { unit, .. } => {
@@ -162,11 +162,11 @@ impl<'a> Parser<'a> {
         };
         let mut nsec = self.current.2 + nsec;
         if nsec > 1_000_000_000 {
-            sec = sec + nsec / 1_000_000_000;
+            sec += nsec / 1_000_000_000;
             nsec %= 1_000_000_000;
         }
-        sec = self.current.1 + sec;
+        sec += self.current.1;
-        month = self.current.0 + month;
+        month += self.current.0;
 
         self.current = (month, sec, nsec);
 

src/main.rs

@@ -1,4 +1,5 @@
 #![feature(int_roundings)]
+
 #[macro_use]
 extern crate lazy_static;
 
@@ -23,7 +24,7 @@ use std::{
 use chrono_tz::Tz;
 use dotenv::dotenv;
 use poise::serenity::model::{
-    gateway::{Activity, GatewayIntents},
+    gateway::GatewayIntents,
     id::{GuildId, UserId},
 };
 use sqlx::{MySql, Pool};
@@ -52,7 +53,7 @@ pub struct Data {
     broadcast: Sender<()>,
 }
 
-impl std::fmt::Debug for Data {
+impl Debug for Data {
     fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
         write!(f, "Data {{ .. }}")
     }

src/models/command_macro.rs

@@ -5,11 +5,11 @@ use serde::{Deserialize, Serialize};
 
 use crate::{Context, Data, Error};
 
-fn default_none<U, E>() -> Option<
+type Func<U, E> = for<'a> fn(
-    for<'a> fn(
     poise::ApplicationContext<'a, U, E>,
-    ) -> poise::BoxFuture<'a, Result<(), poise::FrameworkError<'a, U, E>>>,
+) -> poise::BoxFuture<'a, Result<(), poise::FrameworkError<'a, U, E>>>;
-> {
+
+fn default_none<U, E>() -> Option<Func<U, E>> {
     None
 }
 
@@ -17,11 +17,7 @@ fn default_none<U, E>() -> Option<
 pub struct RecordedCommand<U, E> {
     #[serde(skip)]
     #[serde(default = "default_none::<U, E>")]
-    pub action: Option<
+    pub action: Option<Func<U, E>>,
-        for<'a> fn(
-            poise::ApplicationContext<'a, U, E>,
-        ) -> poise::BoxFuture<'a, Result<(), poise::FrameworkError<'a, U, E>>>,
-    >,
     pub command_name: String,
     pub options: Vec<ApplicationCommandInteractionDataOption>,
 }
@@ -59,7 +55,7 @@ SELECT * FROM macro WHERE guild_id = (SELECT id FROM guilds WHERE guild = ?) AND
             .iter()
             .find(|c| c.identifying_name == recorded_command.command_name);
 
-        recorded_command.action = command.map(|c| c.slash_action).flatten().clone();
+        recorded_command.action = command.map(|c| c.slash_action).flatten();
     }
 
     let command_macro = CommandMacro {

src/models/reminder/builder.rs

@@ -126,7 +126,7 @@ INSERT INTO reminders (
                     .await
                     .unwrap();
 
-                    Ok(Reminder::from_uid(&self.pool, self.uid).await.unwrap())
+                    Ok(Reminder::from_uid(&self.pool, &self.uid).await.unwrap())
                 }
             }
 
@@ -207,7 +207,7 @@ impl<'a> MultiReminderBuilder<'a> {
         self.scopes = scopes;
     }
 
-    pub async fn build(self) -> (HashSet<ReminderError>, HashSet<ReminderScope>) {
+    pub async fn build(self) -> (HashSet<ReminderError>, HashSet<(Reminder, ReminderScope)>) {
         let mut errors = HashSet::new();
 
         let mut ok_locs = HashSet::new();
@@ -309,8 +309,8 @@ impl<'a> MultiReminderBuilder<'a> {
                         };
 
                         match builder.build().await {
-                            Ok(_) => {
+                            Ok(r) => {
-                                ok_locs.insert(scope);
+                                ok_locs.insert((r, scope));
                             }
                             Err(e) => {
                                 errors.insert(e);

src/models/reminder/mod.rs

@@ -4,6 +4,8 @@ pub mod errors;
 mod helper;
 pub mod look_flags;
 
+use std::hash::{Hash, Hasher};
+
 use chrono::{NaiveDateTime, TimeZone};
 use chrono_tz::Tz;
 use poise::{
@@ -32,11 +34,22 @@ pub struct Reminder {
     pub set_by: Option<u64>,
 }
 
+impl Hash for Reminder {
+    fn hash<H: Hasher>(&self, state: &mut H) {
+        self.uid.hash(state);
+    }
+}
+
+impl PartialEq<Self> for Reminder {
+    fn eq(&self, other: &Self) -> bool {
+        self.uid == other.uid
+    }
+}
+
+impl Eq for Reminder {}
+
 impl Reminder {
-    pub async fn from_uid(
+    pub async fn from_uid(pool: impl Executor<'_, Database = Database>, uid: &str) -> Option<Self> {
-        pool: impl Executor<'_, Database = Database>,
-        uid: String,
-    ) -> Option<Self> {
         sqlx::query_as_unchecked!(
             Self,
             "
@@ -72,6 +85,42 @@ WHERE
         .ok()
     }
 
+    pub async fn from_id(pool: impl Executor<'_, Database = Database>, id: u32) -> Option<Self> {
+        sqlx::query_as_unchecked!(
+            Self,
+            "
+SELECT
+    reminders.id,
+    reminders.uid,
+    channels.channel,
+    reminders.utc_time,
+    reminders.interval_seconds,
+    reminders.interval_months,
+    reminders.expires,
+    reminders.enabled,
+    reminders.content,
+    reminders.embed_description,
+    users.user AS set_by
+FROM
+    reminders
+INNER JOIN
+    channels
+ON
+    reminders.channel_id = channels.id
+LEFT JOIN
+    users
+ON
+    reminders.set_by = users.id
+WHERE
+    reminders.id = ?
+            ",
+            id
+        )
+        .fetch_one(pool)
+        .await
+        .ok()
+    }
+
     pub async fn from_channel<C: Into<ChannelId>>(
         pool: impl Executor<'_, Database = Database>,
         channel_id: C,
@@ -240,6 +289,13 @@ WHERE
         .unwrap()
     }
 
+    pub async fn delete(
+        &self,
+        db: impl Executor<'_, Database = Database>,
+    ) -> Result<(), sqlx::Error> {
+        sqlx::query!("DELETE FROM reminders WHERE uid = ?", self.uid).execute(db).await.map(|_| ())
+    }
+
     pub fn display_content(&self) -> &str {
         if self.content.is_empty() {
             &self.embed_description
@@ -254,10 +310,7 @@ WHERE
             count + 1,
             self.display_content(),
             self.channel,
-            timezone
+            timezone.timestamp(self.utc_time.timestamp(), 0).format("%Y-%m-%d %H:%M:%S")
-                .timestamp(self.utc_time.timestamp(), 0)
-                .format("%Y-%m-%d %H:%M:%S")
-                .to_string()
         )
     }
 

src/time_parser.rs

@@ -211,14 +211,12 @@ pub async fn natural_parser(time: &str, timezone: &str) -> Option<i64> {
         .output()
         .await
         .ok()
-        .map(|inner| {
+        .and_then(|inner| {
             if inner.status.success() {
                 Some(from_utf8(&*inner.stdout).unwrap().parse::<i64>().unwrap())
             } else {
                 None
             }
         })
-        .flatten()
+        .and_then(|inner| if inner < 0 { None } else { Some(inner) })
-        .map(|inner| if inner < 0 { None } else { Some(inner) })
-        .flatten()
 }