feat: add user in db

src/databases/mod.rs

@@ -0,0 +1 @@
+pub mod postgres;

src/databases/postgres/mod.rs

@@ -0,0 +1,2 @@
+pub mod pool;
+pub mod user_repository;

src/databases/postgres/pool.rs

@@ -0,0 +1,14 @@
+use sqlx::{PgPool, postgres::PgPoolOptions};
+use std::time::Duration;
+
+pub async fn create_pool(database_url: &str) -> Result<PgPool, sqlx::Error> {
+    PgPoolOptions::new()
+        .max_connections(10)
+        .acquire_timeout(Duration::from_secs(5))
+        .connect(database_url)
+        .await
+        .map_err(|err| {
+            tracing::error!("Postgres connection error: {:?}", err);
+            err
+        })
+}

src/databases/postgres/user_repository.rs

@@ -0,0 +1,17 @@
+use sqlx::PgPool;
+use uuid::Uuid;
+
+pub async fn ensure_user_exists(pool: &PgPool, user_id: Uuid) -> Result<(), sqlx::Error> {
+    sqlx::query!(
+        r#"
+        INSERT INTO auth.user (id)
+        VALUES ($1)
+        ON CONFLICT (id) DO NOTHING
+        "#,
+        user_id
+    )
+    .execute(pool)
+    .await?;
+
+    Ok(())
+}