Added user management (no api yet)

src/users.rs

@@ -0,0 +1,37 @@
+use std::error::Error;
+
+use axum::routing::{post, get};
+use sqlx::{PgPool, query, query_as, types::Uuid};
+
+struct User {
+    id: Uuid,
+    steamid: String,
+    name: String,
+    avatar: String
+}
+
+impl User {
+    fn new(steamid: String, name: String, avatar: String) -> User {
+        User {
+            id: Uuid::nil(),
+            steamid,
+            name,
+            avatar
+        }
+    }
+
+    async fn create(self, pool: PgPool) -> Result<(), Box<dyn Error>>{
+        query!("INSERT INTO users (steamid, name, avatar) VALUES ($1, $2, $3)", self.steamid, self.name, self.avatar).execute(&pool).await?;
+        Ok(())
+    }
+
+    async fn delete(self, pool: PgPool) -> Result<(), Box<dyn Error>>{
+        query!("DELETE FROM users WHERE id=$1", self.id).execute(&pool).await?;
+        Ok(())
+    }
+
+    async fn update(self, pool: PgPool) -> Result<(), Box<dyn Error>>{
+        query!("UPDATE users SET steamid=$1, name=$2, avatar=$3 WHERE id=$4", self.steamid, self.name, self.avatar, self.id).execute(&pool).await?;
+        Ok(())
+    }
+}