Move postman and web inside src

src/postman/mod.rs

@@ -0,0 +1,50 @@
+mod sender;
+
+use std::env;
+
+use log::{info, warn};
+use poise::serenity_prelude::client::Context;
+use sqlx::{Executor, MySql};
+use tokio::{
+    sync::broadcast::Receiver,
+    time::{sleep_until, Duration, Instant},
+};
+
+type Database = MySql;
+
+pub async fn initialize(
+    mut kill: Receiver<()>,
+    ctx: Context,
+    pool: impl Executor<'_, Database = Database> + Copy,
+) -> Result<(), &'static str> {
+    tokio::select! {
+        output = _initialize(ctx, pool) => Ok(output),
+        _ = kill.recv() => {
+            warn!("Received terminate signal. Goodbye");
+            Err("Received terminate signal. Goodbye")
+        }
+    }
+}
+
+async fn _initialize(ctx: Context, pool: impl Executor<'_, Database = Database> + Copy) {
+    let remind_interval = env::var("REMIND_INTERVAL")
+        .map(|inner| inner.parse::<u64>().ok())
+        .ok()
+        .flatten()
+        .unwrap_or(10);
+
+    loop {
+        let sleep_to = Instant::now() + Duration::from_secs(remind_interval);
+        let reminders = sender::Reminder::fetch_reminders(pool).await;
+
+        if reminders.len() > 0 {
+            info!("Preparing to send {} reminders.", reminders.len());
+
+            for reminder in reminders {
+                reminder.send(pool, ctx.clone()).await;
+            }
+        }
+
+        sleep_until(sleep_to).await;
+    }
+}