Add AppState, DB and Snafu

Cargo.toml

@@ -19,4 +19,8 @@ serde = "1.0.228"
 # static-serve = "0.4.0"
 static-serve = { git = "https://github.com/M4SS-Code/static-serve" }
 tokio = { version = "1.49.0", features = ["macros", "rt-multi-thread"] }
- 
+sea-orm = { version = "2.0.0-rc", features = [ "runtime-tokio", "debug-print", "sqlx-sqlite"] }
+camino = { version = "1.2.2", features = [ "serde1" ] }
+toml = { version = "0.9.11", features = ["preserve_order"] }
+snafu = "0.8.9"
+xdg = "3.0.0"

config.toml

@@ -0,0 +1 @@
+database_path = "/home/torrpenn/projects/Gabatxo1312/bookforge/db.sqlite"

src/lib.rs

@@ -1,10 +1,13 @@
 use axum::{Router, routing::get};
 use static_serve::embed_assets;
 
-mod error;
-mod routes;
+use crate::state::AppState;
 
-pub fn build_app() -> Router {
+mod routes;
+pub mod state;
+
+pub fn build_app(state: AppState) -> Router {
+    println!("{:?}", state);
     embed_assets!("assets", compress = true);
 
     Router::new()
@@ -14,4 +17,5 @@ pub fn build_app() -> Router {
         .route("/books/new", get(routes::book::new))
         .route("/users", get(routes::user::index))
         .nest("/assets", static_router())
+        .with_state(state)
 }

src/main.rs

@@ -1,10 +1,35 @@
-use bookforge::build_app;
+use bookforge::state::error::AppStateError;
+use snafu::prelude::*;
 
-#[tokio::main(flavor = "current_thread")]
-async fn main() {
-    let app = build_app();
+use bookforge::build_app;
+use bookforge::state::AppState;
+
+#[derive(Snafu, Debug)]
+enum AppError {
+    #[snafu(display("Failed to initialize AppState"))]
+    State {
+        source: AppStateError,
+    },
+    Error,
+}
+
+async fn main_inner() -> Result<(), AppError> {
+    let app = build_app(AppState::new().await.context(StateSnafu)?);
 
     let listener = tokio::net::TcpListener::bind("0.0.0.0:8000").await.unwrap();
 
     let _ = axum::serve(listener, app).await;
+
+    Ok(())
+}
+
+#[tokio::main(flavor = "current_thread")]
+async fn main() {
+    if let Err(_errors) = main_inner().await {
+        // for error in errors.iter_chain() {
+        //     println!("{}", error);
+        // }
+
+        std::process::exit(1);
+    }
 }

src/routes/book.rs

@@ -2,7 +2,7 @@ use askama::Template;
 use askama_web::WebTemplate;
 use axum::extract::Path;
 
-use crate::error::AppStateError;
+use crate::state::error::AppStateError;
 
 #[derive(Template, WebTemplate)]
 #[template(path = "index.html")]

src/routes/user.rs

@@ -1,7 +1,7 @@
 use askama::Template;
 use askama_web::WebTemplate;
 
-use crate::error::AppStateError;
+use crate::state::error::AppStateError;
 
 #[derive(Template, WebTemplate)]
 #[template(path = "users/index.html")]

src/state/config.rs

@@ -0,0 +1,51 @@
+use snafu::prelude::*;
+use tokio::fs::read_to_string;
+
+use camino::Utf8PathBuf;
+use serde::{Deserialize, Serialize};
+use xdg::BaseDirectories;
+
+#[derive(Snafu, Debug)]
+pub enum ConfigError {
+    #[snafu(display("File doesn't exist at path : {path}"))]
+    FailedReadConfig {
+        path: Utf8PathBuf,
+        source: std::io::Error,
+    },
+    #[snafu(display("Failed parse config : {path}"))]
+    FailedParseConfig {
+        path: Utf8PathBuf,
+        source: toml::de::Error,
+    },
+}
+
+#[derive(Clone, Deserialize, Serialize, Debug)]
+pub struct AppConfig {
+    #[serde(default = "AppConfig::default_sqlite_path")]
+    pub database_path: Utf8PathBuf,
+}
+
+impl AppConfig {
+    pub async fn new() -> Result<Self, ConfigError> {
+        // TODO: Remove this
+        let path = Utf8PathBuf::from("/home/torrpenn/projects/Gabatxo1312/bookforge/config.toml");
+
+        let content = read_to_string(&path).await.context(FailedReadConfigSnafu {
+            path: path.to_path_buf(),
+        })?;
+
+        toml::from_str(&content).context(FailedParseConfigSnafu {
+            path: path.to_path_buf(),
+        })
+    }
+
+    pub fn xdg_base_directories() -> BaseDirectories {
+        BaseDirectories::with_prefix("bookforge")
+    }
+
+    pub fn default_sqlite_path() -> Utf8PathBuf {
+        let config_dir = Self::xdg_base_directories().get_config_home().unwrap();
+
+        Utf8PathBuf::from_path_buf(config_dir).unwrap()
+    }
+}

src/state/error.rs

@@ -1,13 +1,26 @@
 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 {

src/state/mod.rs

@@ -0,0 +1,27 @@
+use sea_orm::{Database, DatabaseConnection};
+use snafu::prelude::*;
+
+use crate::state::config::AppConfig;
+use error::*;
+
+pub mod config;
+pub mod error;
+
+#[derive(Clone, Debug)]
+pub struct AppState {
+    pub config: AppConfig,
+    pub db: DatabaseConnection,
+}
+
+impl AppState {
+    pub async fn new() -> Result<Self, AppStateError> {
+        let config: AppConfig = AppConfig::new().await.context(ConfigSnafu)?;
+
+        let db: DatabaseConnection =
+            Database::connect(format!("sqlite:{}?mode=rwc", &config.database_path))
+                .await
+                .context(SqliteSnafu)?;
+
+        Ok(Self { config, db })
+    }
+}