Override timezone per command

Timezone option that will override the timezone on a per-command basis

src/commands/autocomplete.rs

@@ -0,0 +1,35 @@
+use chrono_tz::TZ_VARIANTS;
+
+use crate::Context;
+
+pub async fn timezone_autocomplete(ctx: Context<'_>, partial: &str) -> Vec<String> {
+    if partial.is_empty() {
+        ctx.data().popular_timezones.iter().map(|t| t.to_string()).collect::<Vec<String>>()
+    } else {
+        TZ_VARIANTS
+            .iter()
+            .filter(|tz| tz.to_string().contains(&partial))
+            .take(25)
+            .map(|t| t.to_string())
+            .collect::<Vec<String>>()
+    }
+}
+
+pub async fn macro_name_autocomplete(ctx: Context<'_>, partial: &str) -> Vec<String> {
+    sqlx::query!(
+        "
+SELECT name
+FROM macro
+WHERE
+    guild_id = (SELECT id FROM guilds WHERE guild = ?)
+    AND name LIKE CONCAT(?, '%')",
+        ctx.guild_id().unwrap().0,
+        partial,
+    )
+    .fetch_all(&ctx.data().database)
+    .await
+    .unwrap_or_default()
+    .iter()
+    .map(|s| s.name.clone())
+    .collect()
+}