implemented working cache

some testing still has to be done

backend/public/src/main.rs

@@ -1,11 +1,13 @@
-use axum::{http::Method, Router};
+use axum::Router;
 use config::config;
-use sqlx::{postgres::PgPoolOptions, PgPool};
+use fred::prelude::*;
+use sqlx::postgres::PgPoolOptions;
 use std::fs::File;
 use std::sync::Arc;
 use std::time::Duration;
 use tokio::net::TcpListener;
 use tokio::signal;
+use tokio::sync::Mutex;
 use tower_governor::{governor::GovernorConfigBuilder, GovernorLayer};
 use tower_http::{
     cors::{Any, CorsLayer},
@@ -84,6 +86,11 @@ async fn main() {
     // grabbing the database url from our env variables
     let db_connection_str = std::env::var("DATABASE_URL")
         .unwrap_or_else(|_| "postgres://postgres:password@localhost".to_string());
+    let redis_url = match std::env::var("REDIS_URL").unwrap().as_str() {
+        // TODO: fix the unwrap ^
+        "" => "redis://localhost:6379".to_string(),
+        x => x.to_string(),
+    };
 
     // set up connection pool
     let pool = PgPoolOptions::new()
@@ -93,7 +100,24 @@ async fn main() {
         .await
         .expect("Failed to connect to database");
 
-    let app_state = AppState { db: pool.clone() };
+    let pool_size = 8;
+    let config = Config::from_url(&redis_url).unwrap(); // TODO: fix the unwrap <<<
+
+    let redis_pool = Builder::from_config(config)
+        .with_performance_config(|config| {
+            config.default_command_timeout = Duration::from_secs(60);
+        })
+        .set_policy(ReconnectPolicy::new_exponential(0, 100, 30_000, 2))
+        .build_pool(pool_size)
+        .expect("Failed to create cache pool");
+
+    if std::env::var("REDIS_URL").unwrap() != "" {
+        // TODO: fix the unwrap ^
+        redis_pool.init().await.expect("Failed to connect to cache");
+        let _ = redis_pool.flushall::<i32>(false).await;
+    }
+
+    let app_state = Arc::new(Mutex::new(state::AppInternalState::new(pool, redis_pool)));
 
     // build our application with some routes
     let app = Router::new()