add: provide more information on psql and redis connection errors

crates/app/src/routes/api/v1/auth/connections/last_fm.rs

@@ -119,12 +119,13 @@ pub async fn proxy_request(
     }
 
     // ...
-    let res = reqwest::get(format!("https://ws.audioscrobbler.com/2.0/{out}"))
-        .await
-        .unwrap()
-        .text()
-        .await
-        .unwrap();
+    let res = match reqwest::get(format!("https://ws.audioscrobbler.com/2.0/{out}")).await {
+        Ok(c) => c,
+        Err(e) => return Json(Error::MiscError(e.to_string()).into()),
+    }
+    .text()
+    .await
+    .unwrap();
 
     Json(ApiReturn {
         ok: true,

crates/core/src/cache/redis.rs

@@ -16,12 +16,15 @@ impl Cache for RedisCache {
 
     async fn new() -> Self {
         Self {
-            client: redis::Client::open("redis://127.0.0.1:6379").unwrap(),
+            client: redis::Client::open("redis://127.0.0.1:6379")
+                .expect("ERROR_TETRATTO_REDIS_CON"),
         }
     }
 
     async fn get_con(&self) -> Self::Client {
-        self.client.get_connection().unwrap()
+        self.client
+            .get_connection()
+            .expect("ERROR_TETRATTO_PSQL_CON_ACQUIRE")
     }
 
     async fn get(&self, id: Self::Item) -> Option<String> {

crates/core/src/database/drivers/postgres.rs

@@ -30,7 +30,7 @@ pub struct DataManager(
 impl DataManager {
     /// Obtain a connection to the staging database.
     pub(crate) async fn connect(&self) -> Result<Connection> {
-        Ok(self.3.get().await.unwrap())
+        Ok(self.3.get().await.expect("ERROR_TETRATTO_PSQL_CON"))
     }
 
     /// Create a new [`DataManager`] (and init database).