6 files changed, 280 insertions, 0 deletions
diff --git a/crates/users-service/src/cnfg.rs b/crates/users-service/src/cnfg.rs
new file mode 100644
index 0000000..fec4cf7
--- /dev/null
+++ b/crates/users-service/src/cnfg.rs
@@ -0,0 +1,8 @@
+use serde::Deserialize;
+
+#[derive(Deserialize, Clone)]
+#[serde(rename_all = "kebab-case")]
+pub struct LocalConfig {
+    pub temp_ttl: u64,
+    pub cache_ttl: u64,
+}
diff --git a/crates/users-service/src/main.rs b/crates/users-service/src/main.rs
new file mode 100644
index 0000000..218c74a
--- /dev/null
+++ b/crates/users-service/src/main.rs
@@ -0,0 +1,109 @@
+mod cnfg;
+mod server;
+mod state;
+use std::net::{Ipv6Addr, SocketAddr};
+
+use clap::Parser;
+use sellershut_core::users::users_service_server::UsersServiceServer;
+use stack_up::{Configuration, Services, tracing::Tracing};
+use tokio::signal;
+use tonic::transport::{Server, server::TcpIncoming};
+use tracing::{error, info};
+
+use crate::{
+    server::interceptor::MyInterceptor,
+    state::{AppHandle, AppState},
+};
+
+/// sellershut-profiles
+#[derive(Parser, Debug)]
+#[command(version, about, long_about = None)]
+struct Args {
+    /// Path to config file
+    #[arg(short, long)]
+    config_file: Option<std::path::PathBuf>,
+}
+
+#[tokio::main]
+async fn main() -> anyhow::Result<()> {
+    let args = Args::parse();
+    let config = include_str!("../users.toml");
+
+    let mut config = config::Config::builder()
+        .add_source(config::File::from_str(config, config::FileFormat::Toml));
+
+    if let Some(cf) = args.config_file.as_ref().and_then(|v| v.to_str()) {
+        config = config.add_source(config::File::new(cf, config::FileFormat::Toml));
+    };
+
+    let mut config: Configuration = config.build()?.try_deserialize()?;
+    config.application.name = env!("CARGO_CRATE_NAME").into();
+    config.application.version = env!("CARGO_PKG_VERSION").into();
+
+    let tracing = Tracing::builder().build(&config.monitoring);
+
+    let mut services = Services::builder()
+        .postgres(&config.database)
+        .await
+        .inspect_err(|e| error!("database: {e}"))?
+        .cache(&config.cache)
+        .await
+        .inspect_err(|e| error!("cache: {e}"))?
+        .build();
+
+    let postgres = services
+        .postgres
+        .take()
+        .ok_or_else(|| anyhow::anyhow!("database is not ready"))?;
+
+    let cache = services
+        .cache
+        .take()
+        .ok_or_else(|| anyhow::anyhow!("cache is not ready"))?;
+
+    let services = crate::state::Services::new(postgres, cache);
+
+    let state = AppState::create(services, &config).await?;
+
+    let addr = SocketAddr::from((Ipv6Addr::UNSPECIFIED, config.application.port));
+
+    let listener = tokio::net::TcpListener::bind(addr).await?;
+
+    info!(addr = ?addr, "starting server");
+
+    Server::builder()
+        .trace_fn(|_| tracing::info_span!(env!("CARGO_PKG_NAME")))
+        .add_service(UsersServiceServer::with_interceptor(
+            state.clone(),
+            MyInterceptor,
+        ))
+        .serve_with_incoming_shutdown(TcpIncoming::from(listener), shutdown_signal(state))
+        .await?;
+
+    Ok(())
+}
+async fn shutdown_signal(state: AppHandle) {
+    let ctrl_c = async {
+        signal::ctrl_c()
+            .await
+            .expect("failed to install Ctrl+C handler");
+    };
+
+    #[cfg(unix)]
+    let terminate = async {
+        signal::unix::signal(signal::unix::SignalKind::terminate())
+            .expect("failed to install signal handler")
+            .recv()
+            .await;
+    };
+
+    #[cfg(not(unix))]
+    let terminate = std::future::pending::<()>();
+
+    tokio::select! {
+        _ = ctrl_c => {
+        },
+        _ = terminate => {
+        },
+    }
+}
diff --git a/crates/users-service/src/server.rs b/crates/users-service/src/server.rs
new file mode 100644
index 0000000..b2e04f9
--- /dev/null
+++ b/crates/users-service/src/server.rs
@@ -0,0 +1,2 @@
+pub mod interceptor;
+pub mod manager;
diff --git a/crates/users-service/src/server/interceptor.rs b/crates/users-service/src/server/interceptor.rs
new file mode 100644
index 0000000..6fbe7fa
--- /dev/null
+++ b/crates/users-service/src/server/interceptor.rs
@@ -0,0 +1,11 @@
+use tonic::{Status, service::Interceptor};
+use tracing::Span;
+
+#[derive(Clone, Copy)]
+pub struct MyInterceptor;
+
+impl Interceptor for MyInterceptor {
+    fn call(&mut self, request: tonic::Request<()>) -> Result<tonic::Request<()>, Status> {
+        Ok(request)
+    }
+}
diff --git a/crates/users-service/src/server/manager.rs b/crates/users-service/src/server/manager.rs
new file mode 100644
index 0000000..6affb4a
--- /dev/null
+++ b/crates/users-service/src/server/manager.rs
@@ -0,0 +1,85 @@
+use prost::Message;
+use sellershut_core::users::{
+    CompleteUserRequest, CreateUserRequest, CreateUserResponse, User,
+    users_service_server::UsersService,
+};
+use stack_up::redis::AsyncCommands;
+use tonic::{Request, Response, Status, async_trait};
+use tracing::{error, trace};
+use uuid::Uuid;
+
+use crate::state::AppHandle;
+
+#[async_trait]
+impl UsersService for AppHandle {
+    #[doc = " Create a new user profile"]
+    async fn create_user(
+        &self,
+        request: Request<CreateUserRequest>,
+    ) -> Result<Response<CreateUserResponse>, Status> {
+        trace!("creating user");
+        let data = request.into_inner();
+        let id = Uuid::now_v7().to_string();
+
+        let bytes = data.encode_to_vec();
+        let mut cache = self.cache().await?;
+        cache
+            .set_ex::<_, _, ()>(&id, &bytes, self.local_config.temp_ttl)
+            .await
+            .inspect_err(|e| error!("{e}"))
+            .map_err(|_e| Status::internal("storage not ready"))?;
+
+        Ok(Response::new(CreateUserResponse { temp_id: id }))
+    }
+
+    #[doc = " Complete Profile"]
+    async fn complete_user(
+        &self,
+        request: Request<CompleteUserRequest>,
+    ) -> Result<Response<User>, Status> {
+        let request = request.into_inner();
+
+        let mut cache = self.cache().await?;
+
+        let resp = cache
+            .get_del::<_, Vec<u8>>(&request.id)
+            .await
+            .inspect_err(|e| error!("{e}"))
+            .map_err(|_e| Status::internal("storage not ready"))?;
+
+        if resp.is_empty() {
+            return Err(Status::data_loss("user unavailable"));
+        }
+
+        let create_user = CreateUserRequest::decode(resp.as_ref())
+            .map_err(|_e| Status::data_loss("internal data corrupted"))?;
+
+        let user = sqlx::query!(
+            "insert 
+                into
+                    profile (
+                        id,
+                        username,
+                        inbox,
+                        outbox,
+                        local,
+                        avatar_url,
+                        description,
+                        user_type,
+                        public_key
+                    )
+                values ($1, $2, $3, $4, $5, $6, $7, $8, $9)
+            ",
+            request.id,
+            request.username,
+            request.inbox,
+            request.outbox,
+            request.local,
+            request.avatar.or(create_user.avatar),
+            request.description,
+            request.user_type.to_string(),
+            request.public_key,
+        );
+        todo!()
+    }
+}
diff --git a/crates/users-service/src/state.rs b/crates/users-service/src/state.rs
new file mode 100644
index 0000000..3f5ac7b
--- /dev/null
+++ b/crates/users-service/src/state.rs
@@ -0,0 +1,65 @@
+use std::sync::Arc;
+
+use sqlx::PgPool;
+use stack_up::{
+    Configuration,
+    cache::{RedisConnection, RedisManager},
+};
+use tonic::Status;
+use tracing::error;
+
+use crate::cnfg::LocalConfig;
+
+#[derive(Clone)]
+pub struct AppHandle(Arc<AppState>);
+
+impl std::ops::Deref for AppHandle {
+    type Target = Arc<AppState>;
+
+    fn deref(&self) -> &Self::Target {
+        &self.0
+    }
+}
+
+#[derive(Clone)]
+pub struct Services {
+    pub postgres: PgPool,
+    pub cache: RedisManager,
+}
+
+impl Services {
+    pub fn new(postgres: PgPool, cache: RedisManager) -> Self {
+        Self { postgres, cache }
+    }
+}
+
+pub struct AppState {
+    pub services: Services,
+    pub local_config: LocalConfig,
+}
+
+impl AppState {
+    pub async fn create(
+        services: Services,
+        configuration: &Configuration,
+    ) -> Result<AppHandle, anyhow::Error> {
+        let local_config: LocalConfig = serde_json::from_value(configuration.misc.clone())?;
+
+        Ok(AppHandle(Arc::new(Self {
+            services,
+            local_config,
+        })))
+    }
+
+    pub async fn cache(&self) -> Result<RedisConnection, tonic::Status> {
+        let cache = self
+            .services
+            .cache
+            .get()
+            .await
+            .inspect_err(|e| error!("{e}"))
+            .map_err(|_e| Status::internal("storage not ready"))?;
+
+        Ok(cache)
+    }
+}