Add AppState, DB and Snafu

src/state/error.rs

@@ -0,0 +1,30 @@
+use askama::Template;
+use askama_web::WebTemplate;
+use axum::response::{IntoResponse, Response};
+use snafu::prelude::*;
+
+use crate::state::config::ConfigError;
+
+#[derive(Template, WebTemplate)]
+#[template(path = "error.html")]
+struct ErrorTemplate {}
+
+#[derive(Snafu, Debug)]
+#[snafu(visibility(pub))]
+pub enum AppStateError {
+    Error,
+    #[snafu(display("Sqlite Error"))]
+    Sqlite {
+        source: sea_orm::error::DbErr,
+    },
+    #[snafu(display("Config Error"))]
+    ConfigError {
+        source: ConfigError,
+    },
+}
+
+impl IntoResponse for AppStateError {
+    fn into_response(self) -> Response {
+        ErrorTemplate {}.into_response()
+    }
+}