Roflin/gamenight
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Schema rewrite to split up the schema.rs file.

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This commit is contained in:
Dennis Brentjes 2022-05-28 18:25:53 +02:00
parent 1a6ead4760
commit 5c27be0191
7 changed files with 456 additions and 400 deletions
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3
backend/migrations/2022-05-28-142526_gamenight participants/down.sql Normal file
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@ -0,0 +1,3 @@
-- This file should undo anything in `up.sql`
drop table gamenight_participants;

9
backend/migrations/2022-05-28-142526_gamenight participants/up.sql Normal file
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@ -0,0 +1,9 @@
-- Your SQL goes here
create table gamenight_participants (
gamenight_id UUID NOT NULL,
user_id UUID NOT NULL,
CONSTRAINT FK_gamenight_id FOREIGN KEY (gamenight_id) REFERENCES gamenight(id) ON DELETE CASCADE,
CONSTRAINT FK_user_id FOREIGN KEY (user_id) REFERENCES users(id) ON DELETE CASCADE,
PRIMARY KEY(gamenight_id, user_id)
)

72
backend/src/api.rs
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@ -1,7 +1,8 @@
use uuid::Uuid;
use crate::schema;
use crate::schema::users::*;
use crate::schema::gamenight::*;
use crate::schema::DbConn;
use crate::AppConfig;
use uuid::Uuid;
use chrono::Utc;
use jsonwebtoken::decode;
use jsonwebtoken::encode;
@ -20,16 +21,7 @@ use validator::ValidateArgs;
#[derive(Debug, Responder)]
pub enum ApiResponseVariant {
Status(Status),
// Redirect(Redirect),
Value(Value),
// Flash(Flash<Redirect>)
}
#[derive(Debug, Serialize, Deserialize)]
pub struct UserWithToken {
#[serde(flatten)]
pub user: schema::User,
pub jwt: String,
}
#[derive(Serialize, Deserialize, Debug)]
@ -40,9 +32,9 @@ struct ApiResponse {
#[serde(skip_serializing_if = "Option::is_none")]
user: Option<UserWithToken>,
#[serde(skip_serializing_if = "Option::is_none")]
gamenights: Option<Vec<schema::GameNight>>,
gamenights: Option<Vec<GameNight>>,
#[serde(skip_serializing_if = "Option::is_none")]
games: Option<Vec<schema::Game>>,
games: Option<Vec<Game>>,
}
impl ApiResponse {
@ -67,7 +59,7 @@ impl ApiResponse {
}
}
fn login_response(user: schema::User, jwt: String) -> Self {
fn login_response(user: User, jwt: String) -> Self {
Self {
result: Self::SUCCES_RESULT,
message: None,
@ -80,7 +72,7 @@ impl ApiResponse {
}
}
fn gamenight_response(gamenights: Vec<schema::GameNight>) -> Self {
fn gamenight_response(gamenights: Vec<GameNight>) -> Self {
Self {
result: Self::SUCCES_RESULT,
message: None,
@ -90,7 +82,7 @@ impl ApiResponse {
}
}
fn games_response(games: Vec<schema::Game>) -> Self {
fn games_response(games: Vec<Game>) -> Self {
Self {
result: Self::SUCCES_RESULT,
message: None,
@ -110,7 +102,7 @@ const AUTH_HEADER: &str = "Authorization";
const BEARER: &str = "Bearer ";
#[rocket::async_trait]
impl<'r> FromRequest<'r> for schema::User {
impl<'r> FromRequest<'r> for User {
type Error = ApiError;
async fn from_request(req: &'r Request<'_>) -> Outcome<Self, Self::Error> {
@ -140,7 +132,7 @@ impl<'r> FromRequest<'r> for schema::User {
let id = token.claims.uid;
let conn = req.guard::<DbConn>().await.unwrap();
return match schema::get_user(conn, id).await {
return match get_user(conn, id).await {
Ok(o) => Outcome::Success(o),
Err(_) => Outcome::Forward(())
}
@ -148,8 +140,8 @@ impl<'r> FromRequest<'r> for schema::User {
}
#[get("/gamenights")]
pub async fn gamenights(conn: DbConn, _user: schema::User) -> ApiResponseVariant {
match schema::get_all_gamenights(conn).await {
pub async fn gamenights(conn: DbConn, _user: User) -> ApiResponseVariant {
match get_all_gamenights(conn).await {
Ok(gamenights) => ApiResponseVariant::Value(json!(ApiResponse::gamenight_response(gamenights))),
Err(error) => ApiResponseVariant::Value(json!(ApiResponse::error(error.to_string())))
}
@ -165,13 +157,13 @@ pub struct GameNightInput {
pub name: String,
pub datetime: String,
pub owner_id: Option<Uuid>,
pub game_list: Vec<schema::Game>,
pub game_list: Vec<Game>,
}
impl Into<schema::GameNight> for GameNightInput {
impl Into<GameNight> for GameNightInput {
fn into(self) -> schema::GameNight {
schema::GameNight {
fn into(self) -> GameNight {
GameNight {
id: Uuid::new_v4(),
name: self.name,
datetime: self.datetime,
@ -183,7 +175,7 @@ impl Into<schema::GameNight> for GameNightInput {
#[post("/gamenights", format = "application/json", data = "<gamenight_json>")]
pub async fn gamenights_post_json(
conn: DbConn,
user: schema::User,
user: User,
gamenight_json: Json<GameNightInput>,
) -> ApiResponseVariant {
let mut gamenight = gamenight_json.into_inner();
@ -191,12 +183,12 @@ pub async fn gamenights_post_json(
let mut mutable_game_list = gamenight.game_list.clone();
match schema::add_unknown_games(&conn, &mut mutable_game_list).await {
match add_unknown_games(&conn, &mut mutable_game_list).await {
Ok(_) => (),
Err(err) => return ApiResponseVariant::Value(json!(ApiResponse::error(err.to_string())))
};
match schema::insert_gamenight(conn, gamenight.clone().into(), mutable_game_list).await {
match insert_gamenight(conn, gamenight.clone().into(), mutable_game_list).await {
Ok(_) => ApiResponseVariant::Value(json!(ApiResponse::SUCCES)),
Err(err) => ApiResponseVariant::Value(json!(ApiResponse::error(err.to_string())))
}
@ -210,20 +202,20 @@ pub async fn gamenights_post_json_unauthorized() -> ApiResponseVariant {
#[delete("/gamenights", format = "application/json", data = "<delete_gamenight_json>")]
pub async fn gamenights_delete_json(
conn: DbConn,
user: schema::User,
delete_gamenight_json: Json<schema::DeleteGameNight>
user: User,
delete_gamenight_json: Json<DeleteGameNight>
) -> ApiResponseVariant {
if user.role == schema::Role::Admin {
if let Err(error) = schema::delete_gamenight(&conn, delete_gamenight_json.game_id).await {
if user.role == Role::Admin {
if let Err(error) = delete_gamenight(&conn, delete_gamenight_json.game_id).await {
return ApiResponseVariant::Value(json!(ApiResponse::error(error.to_string())))
}
return ApiResponseVariant::Value(json!(ApiResponse::SUCCES))
}
match schema::get_gamenight(&conn, delete_gamenight_json.game_id).await {
match get_gamenight(&conn, delete_gamenight_json.game_id).await {
Ok(gamenight) => {
if user.id == gamenight.owner_id {
if let Err(error) = schema::delete_gamenight(&conn, delete_gamenight_json.game_id).await {
if let Err(error) = delete_gamenight(&conn, delete_gamenight_json.game_id).await {
return ApiResponseVariant::Value(json!(ApiResponse::error(error.to_string())))
}
return ApiResponseVariant::Value(json!(ApiResponse::SUCCES))
@ -243,7 +235,7 @@ pub async fn gamenights_delete_json_unauthorized() -> ApiResponseVariant {
#[post("/register", format = "application/json", data = "<register_json>")]
pub async fn register_post_json(
conn: DbConn,
register_json: Json<schema::Register>,
register_json: Json<Register>,
) -> ApiResponseVariant {
let register = register_json.into_inner();
let register_clone = register.clone();
@ -257,7 +249,7 @@ pub async fn register_post_json(
}
}
match schema::insert_user(conn, register).await {
match insert_user(conn, register).await {
Ok(_) => ApiResponseVariant::Value(json!(ApiResponse::SUCCES)),
Err(err) => ApiResponseVariant::Value(json!(ApiResponse::error(err.to_string()))),
}
@ -267,16 +259,16 @@ pub async fn register_post_json(
struct Claims {
exp: i64,
uid: Uuid,
role: schema::Role,
role: Role,
}
#[post("/login", format = "application/json", data = "<login_json>")]
pub async fn login_post_json(
conn: DbConn,
config: &State<AppConfig>,
login_json: Json<schema::Login>,
login_json: Json<Login>,
) -> ApiResponseVariant {
match schema::login(conn, login_json.into_inner()).await {
match login(conn, login_json.into_inner()).await {
Err(err) => ApiResponseVariant::Value(json!(ApiResponse::error(err.to_string()))),
Ok(login_result) => {
if !login_result.result {
@ -308,8 +300,8 @@ pub async fn login_post_json(
}
#[get("/games")]
pub async fn games(conn: DbConn, _user: schema::User) -> ApiResponseVariant {
match schema::get_all_known_games(&conn).await {
pub async fn games(conn: DbConn, _user: User) -> ApiResponseVariant {
match get_all_known_games(&conn).await {
Ok(games) => ApiResponseVariant::Value(json!(ApiResponse::games_response(games))),
Err(error) => ApiResponseVariant::Value(json!(ApiResponse::error(error.to_string())))
}

360
backend/src/schema.rs
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@ -1,360 +0,0 @@
use uuid::Uuid;
use crate::diesel::Connection;
use crate::diesel::ExpressionMethods;
use crate::diesel::QueryDsl;
use argon2::password_hash::SaltString;
use argon2::PasswordHash;
use argon2::PasswordVerifier;
use argon2::{
password_hash::{rand_core::OsRng, PasswordHasher},
Argon2,
};
use diesel::RunQueryDsl;
use diesel_derive_enum::DbEnum;
use rocket::{Build, Rocket};
use rocket_sync_db_pools::database;
use serde::{Deserialize, Serialize};
use std::ops::Deref;
use validator::{Validate, ValidationError};
#[database("gamenight_database")]
pub struct DbConn(diesel::PgConnection);
impl Deref for DbConn {
type Target = rocket_sync_db_pools::Connection<DbConn, diesel::PgConnection>;
fn deref(&self) -> &Self::Target {
&self.0
}
}
table! {
gamenight (id) {
id -> diesel::sql_types::Uuid,
name -> VarChar,
datetime -> VarChar,
owner_id -> Uuid,
}
}
table! {
known_games (id) {
id -> diesel::sql_types::Uuid,
name -> VarChar,
}
}
table! {
users(id) {
id -> diesel::sql_types::Uuid,
username -> VarChar,
email -> VarChar,
role -> crate::schema::RoleMapping,
}
}
table! {
pwd(user_id) {
user_id -> diesel::sql_types::Uuid,
password -> VarChar,
}
}
table! {
gamenight_gamelist(gamenight_id, game_id) {
gamenight_id -> diesel::sql_types::Uuid,
game_id -> diesel::sql_types::Uuid,
}
}
allow_tables_to_appear_in_same_query!(gamenight, known_games,);
pub enum DatabaseError {
Hash(password_hash::Error),
Query(String),
}
impl From<diesel::result::Error> for DatabaseError {
fn from(error: diesel::result::Error) -> Self {
Self::Query(error.to_string())
}
}
impl From<password_hash::Error> for DatabaseError {
fn from(error: password_hash::Error) -> Self {
Self::Hash(error)
}
}
impl std::fmt::Display for DatabaseError {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::result::Result<(), std::fmt::Error> {
match self {
DatabaseError::Hash(err) => write!(f, "{}", err),
DatabaseError::Query(err) => write!(f, "{}", err),
}
}
}
pub async fn get_all_gamenights(conn: DbConn) -> Result<Vec<GameNight>, DatabaseError> {
Ok(conn.run(|c|
gamenight::table.load::<GameNight>(c)
).await?)
}
pub async fn insert_gamenight(conn: DbConn, new_gamenight: GameNight, game_list: Vec<Game>) -> Result<usize, DatabaseError> {
Ok(conn.run(move |c|
c.transaction(|| {
diesel::insert_into(gamenight::table)
.values(&new_gamenight)
.execute(c)?;
let entries: Vec<GamenightGameListEntry> = game_list.iter().map(
|g| GamenightGameListEntry { gamenight_id: new_gamenight.id.clone(), game_id: g.id.clone() }
).collect();
diesel::insert_into(gamenight_gamelist::table)
.values(entries)
.execute(c)
})
).await?)
}
pub async fn get_gamenight(conn: &DbConn, game_id: Uuid) -> Result<GameNight, DatabaseError> {
Ok(conn.run(move |c|
gamenight::table.find(game_id).first(c)
).await?)
}
pub async fn delete_gamenight(conn: &DbConn, game_id: Uuid) -> Result<usize, DatabaseError> {
Ok(conn.run(move |c|
diesel::delete(
gamenight::table.filter(
gamenight::id.eq(game_id)
)
).execute(c)
).await?)
}
pub async fn insert_user(conn: DbConn, new_user: Register) -> Result<usize, DatabaseError> {
let salt = SaltString::generate(&mut OsRng);
let argon2 = Argon2::default();
let password_hash = argon2.hash_password(new_user.password.as_bytes(), &salt)?.to_string();
Ok(conn.run(move |c| {
c.transaction(|| {
let id = Uuid::new_v4();
diesel::insert_into(users::table)
.values(User {
id: id.clone(),
username: new_user.username,
email: new_user.email,
role: Role::User
})
.execute(c)?;
diesel::insert_into(pwd::table)
.values(Pwd {
user_id: id,
password: password_hash
})
.execute(c)
})
})
.await?)
}
pub async fn login(conn: DbConn, login: Login) -> Result<LoginResult, DatabaseError> {
conn.run(move |c| -> Result<LoginResult, DatabaseError> {
let id: Uuid = users::table
.filter(users::username.eq(&login.username))
.or_filter(users::email.eq(&login.username))
.select(users::id)
.first(c)?;
let pwd: String = pwd::table
.filter(pwd::user_id.eq(id))
.select(pwd::password)
.first(c)?;
let parsed_hash = PasswordHash::new(&pwd)?;
if Argon2::default()
.verify_password(&login.password.as_bytes(), &parsed_hash)
.is_ok()
{
let user: User = users::table.find(id).first(c)?;
Ok(LoginResult {
result: true,
user : Some(user)
})
} else {
Ok(LoginResult {
result: false,
user: None
})
}
})
.await
}
pub async fn get_user(conn: DbConn, id: Uuid) -> Result<User, DatabaseError> {
Ok(conn.run(move |c| users::table.filter(users::id.eq(id)).first(c))
.await?)
}
pub async fn get_all_known_games(conn: &DbConn) -> Result<Vec<Game>, DatabaseError> {
Ok(conn.run(|c|
known_games::table.load::<Game>(c)
).await?)
}
pub async fn add_game(conn: &DbConn, game: Game) -> Result<usize, DatabaseError> {
Ok(conn.run(|c|
diesel::insert_into(known_games::table)
.values(game)
.execute(c)
).await?)
}
pub async fn add_unknown_games(conn: &DbConn, games: &mut Vec<Game>) -> Result<(), DatabaseError> {
let all_games = get_all_known_games(conn).await?;
for game in games.iter_mut() {
if !all_games.iter().any(|g| g.name == game.name) {
game.id = Uuid::new_v4();
add_game(conn, game.clone()).await?;
}
}
Ok(())
}
pub fn unique_username(
username: &String,
conn: &diesel::PgConnection,
) -> Result<(), ValidationError> {
match users::table
.count()
.filter(users::username.eq(username))
.get_result(conn)
{
Ok(0) => Ok(()),
Ok(_) => Err(ValidationError::new("User already exists")),
Err(_) => Err(ValidationError::new("Database error while validating user")),
}
}
pub fn unique_email(
email: &String,
conn: &diesel::PgConnection,
) -> Result<(), ValidationError> {
match users::table
.count()
.filter(users::email.eq(email))
.get_result(conn)
{
Ok(0) => Ok(()),
Ok(_) => Err(ValidationError::new("email already exists")),
Err(_) => Err(ValidationError::new(
"Database error while validating email",
)),
}
}
pub async fn run_migrations(rocket: Rocket<Build>) -> Rocket<Build> {
// This macro from `diesel_migrations` defines an `embedded_migrations`
// module containing a function named `run`. This allows the example to be
// run and tested without any outside setup of the database.
embed_migrations!();
let conn = DbConn::get_one(&rocket).await.expect("database connection");
conn.run(|c| embedded_migrations::run(c))
.await
.expect("can run migrations");
rocket
}
#[derive(Debug, Serialize, Deserialize, DbEnum, Clone, Copy, PartialEq)]
pub enum Role {
Admin,
User,
}
#[derive(Serialize, Deserialize, Debug, Insertable, Queryable)]
#[table_name = "users"]
pub struct User {
pub id: Uuid,
pub username: String,
pub email: String,
pub role: Role,
}
#[derive(Serialize, Deserialize, Debug, Insertable, Queryable)]
#[table_name = "pwd"]
struct Pwd {
user_id: Uuid,
password: String,
}
#[derive(Serialize, Deserialize, Debug, Queryable, Clone, Insertable)]
#[table_name = "known_games"]
pub struct Game {
pub id: Uuid,
pub name: String,
}
#[derive(Serialize, Deserialize, Debug, Queryable, Insertable)]
#[table_name = "gamenight"]
pub struct GameNight {
pub id: Uuid,
pub name: String,
pub datetime: String,
pub owner_id: Uuid,
}
#[derive(Serialize, Deserialize, Debug, Queryable, Insertable)]
#[table_name="gamenight_gamelist"]
pub struct GamenightGameListEntry {
pub gamenight_id: Uuid,
pub game_id: Uuid
}
#[derive(Serialize, Deserialize, Debug, Queryable)]
pub struct DeleteGameNight {
pub game_id: Uuid,
}
#[derive(Serialize, Deserialize, Debug, Validate, Clone)]
pub struct Register {
#[validate(
length(min = 1),
custom(function = "unique_username", arg = "&'v_a diesel::PgConnection")
)]
pub username: String,
#[validate(
email,
custom(function = "unique_email", arg = "&'v_a diesel::PgConnection")
)]
pub email: String,
#[validate(length(min = 10), must_match = "password_repeat")]
pub password: String,
pub password_repeat: String,
}
#[derive(Serialize, Deserialize, Debug)]
pub struct Login {
pub username: String,
pub password: String,
}
#[derive(Serialize, Deserialize, Debug)]
pub struct LoginResult {
pub result: bool,
pub user: Option<User>,
}

161
backend/src/schema/gamenight.rs Normal file
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@ -0,0 +1,161 @@
use crate::schema::{DatabaseError, DbConn};
use serde::{Deserialize, Serialize};
use diesel::{QueryDsl, RunQueryDsl, Connection, ExpressionMethods};
use uuid::Uuid;
table! {
gamenight (id) {
id -> diesel::sql_types::Uuid,
name -> VarChar,
datetime -> VarChar,
owner_id -> Uuid,
}
}
table! {
known_games (id) {
id -> diesel::sql_types::Uuid,
name -> VarChar,
}
}
table! {
gamenight_gamelist(gamenight_id, game_id) {
gamenight_id -> diesel::sql_types::Uuid,
game_id -> diesel::sql_types::Uuid,
}
}
table! {
gamenight_participants(gamenight_id, user_id) {
gamenight_id -> diesel::sql_types::Uuid,
user_id -> diesel::sql_types::Uuid,
}
}
#[derive(Serialize, Deserialize, Debug, Queryable, Clone, Insertable)]
#[table_name = "known_games"]
pub struct Game {
pub id: Uuid,
pub name: String,
}
#[derive(Serialize, Deserialize, Debug, Queryable, Insertable)]
#[table_name = "gamenight"]
pub struct GameNight {
pub id: Uuid,
pub name: String,
pub datetime: String,
pub owner_id: Uuid,
}
#[derive(Serialize, Deserialize, Debug, Queryable, Insertable)]
#[table_name="gamenight_gamelist"]
pub struct GamenightGameListEntry {
pub gamenight_id: Uuid,
pub game_id: Uuid
}
#[derive(Serialize, Deserialize, Debug, Queryable, Insertable, Identifiable)]
#[table_name="gamenight_participants"]
#[primary_key(gamenight_id, user_id)]
pub struct GamenightParticipantsEntry {
pub gamenight_id: Uuid,
pub user_id: Uuid
}
#[derive(Serialize, Deserialize, Debug, Queryable)]
pub struct DeleteGameNight {
pub game_id: Uuid,
}
pub async fn get_all_gamenights(conn: DbConn) -> Result<Vec<GameNight>, DatabaseError> {
Ok(conn.run(|c|
gamenight::table.load::<GameNight>(c)
).await?)
}
pub async fn insert_gamenight(conn: DbConn, new_gamenight: GameNight, game_list: Vec<Game>) -> Result<usize, DatabaseError> {
Ok(conn.run(move |c|
c.transaction(|| {
diesel::insert_into(gamenight::table)
.values(&new_gamenight)
.execute(c)?;
let entries: Vec<GamenightGameListEntry> = game_list.iter().map(
|g| GamenightGameListEntry { gamenight_id: new_gamenight.id.clone(), game_id: g.id.clone() }
).collect();
diesel::insert_into(gamenight_gamelist::table)
.values(entries)
.execute(c)
})
).await?)
}
pub async fn get_gamenight(conn: &DbConn, game_id: Uuid) -> Result<GameNight, DatabaseError> {
Ok(conn.run(move |c|
gamenight::table.find(game_id).first(c)
).await?)
}
pub async fn delete_gamenight(conn: &DbConn, game_id: Uuid) -> Result<usize, DatabaseError> {
Ok(conn.run(move |c|
diesel::delete(
gamenight::table.filter(
gamenight::id.eq(game_id)
)
).execute(c)
).await?)
}
pub async fn get_all_known_games(conn: &DbConn) -> Result<Vec<Game>, DatabaseError> {
Ok(conn.run(|c|
known_games::table.load::<Game>(c)
).await?)
}
pub async fn add_game(conn: &DbConn, game: Game) -> Result<usize, DatabaseError> {
Ok(conn.run(|c|
diesel::insert_into(known_games::table)
.values(game)
.execute(c)
).await?)
}
pub async fn add_unknown_games(conn: &DbConn, games: &mut Vec<Game>) -> Result<(), DatabaseError> {
let all_games = get_all_known_games(conn).await?;
for game in games.iter_mut() {
if !all_games.iter().any(|g| g.name == game.name) {
game.id = Uuid::new_v4();
add_game(conn, game.clone()).await?;
}
}
Ok(())
}
pub async fn insert_participant(conn: &DbConn, participant: GamenightParticipantsEntry) -> Result<usize, DatabaseError> {
Ok(conn.run(move |c|
diesel::insert_into(gamenight_participants::table)
.values(&participant)
.execute(c)
).await?)
}
impl From<GamenightParticipantsEntry> for (Uuid, Uuid) {
fn from(entry: GamenightParticipantsEntry) -> Self {
(entry.gamenight_id, entry.user_id)
}
}
pub async fn remove_participant(conn: &DbConn, participant: GamenightParticipantsEntry) -> Result<usize, DatabaseError> {
Ok(conn.run(move |c|
diesel::delete(&participant)
.execute(c)
).await?)
}

60
backend/src/schema/mod.rs Normal file
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@ -0,0 +1,60 @@
pub mod users;
pub mod gamenight;
use rocket::{Build, Rocket};
use rocket_sync_db_pools::database;
use std::ops::Deref;
#[database("gamenight_database")]
pub struct DbConn(diesel::PgConnection);
impl Deref for DbConn {
type Target = rocket_sync_db_pools::Connection<DbConn, diesel::PgConnection>;
fn deref(&self) -> &Self::Target {
&self.0
}
}
pub enum DatabaseError {
Hash(password_hash::Error),
Query(String),
}
pub async fn run_migrations(rocket: Rocket<Build>) -> Rocket<Build> {
// This macro from `diesel_migrations` defines an `embedded_migrations`
// module containing a function named `run`. This allows the example to be
// run and tested without any outside setup of the database.
embed_migrations!();
let conn = DbConn::get_one(&rocket).await.expect("database connection");
conn.run(|c| embedded_migrations::run(c))
.await
.expect("can run migrations");
rocket
}
impl From<diesel::result::Error> for DatabaseError {
fn from(error: diesel::result::Error) -> Self {
Self::Query(error.to_string())
}
}
impl From<password_hash::Error> for DatabaseError {
fn from(error: password_hash::Error) -> Self {
Self::Hash(error)
}
}
impl std::fmt::Display for DatabaseError {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::result::Result<(), std::fmt::Error> {
match self {
DatabaseError::Hash(err) => write!(f, "{}", err),
DatabaseError::Query(err) => write!(f, "{}", err),
}
}
}

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backend/src/schema/users.rs Normal file
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@ -0,0 +1,191 @@
use validator::{Validate, ValidationError};
use uuid::Uuid;
use diesel::{QueryDsl, RunQueryDsl, Connection, ExpressionMethods};
use argon2::password_hash::SaltString;
use argon2::PasswordHash;
use argon2::PasswordVerifier;
use argon2::{
password_hash::{rand_core::OsRng, PasswordHasher},
Argon2,
};
use diesel_derive_enum::DbEnum;
use serde::{Deserialize, Serialize};
use crate::schema::{DbConn, DatabaseError};
#[derive(Debug, Serialize, Deserialize, DbEnum, Clone, Copy, PartialEq)]
pub enum Role {
Admin,
User,
}
table! {
users(id) {
id -> diesel::sql_types::Uuid,
username -> VarChar,
email -> VarChar,
role -> crate::schema::users::RoleMapping,
}
}
table! {
pwd(user_id) {
user_id -> diesel::sql_types::Uuid,
password -> VarChar,
}
}
#[derive(Serialize, Deserialize, Debug, Insertable, Queryable)]
#[table_name = "pwd"]
struct Pwd {
user_id: Uuid,
password: String,
}
#[derive(Serialize, Deserialize, Debug, Insertable, Queryable)]
#[table_name = "users"]
pub struct User {
pub id: Uuid,
pub username: String,
pub email: String,
pub role: Role,
}
#[derive(Debug, Serialize, Deserialize)]
pub struct UserWithToken {
#[serde(flatten)]
pub user: User,
pub jwt: String,
}
#[derive(Serialize, Deserialize, Debug)]
pub struct Login {
pub username: String,
pub password: String,
}
#[derive(Serialize, Deserialize, Debug)]
pub struct LoginResult {
pub result: bool,
pub user: Option<User>,
}
#[derive(Serialize, Deserialize, Debug, Validate, Clone)]
pub struct Register {
#[validate(
length(min = 1),
custom(function = "unique_username", arg = "&'v_a diesel::PgConnection")
)]
pub username: String,
#[validate(
email,
custom(function = "unique_email", arg = "&'v_a diesel::PgConnection")
)]
pub email: String,
#[validate(length(min = 10), must_match = "password_repeat")]
pub password: String,
pub password_repeat: String,
}
pub async fn insert_user(conn: DbConn, new_user: Register) -> Result<usize, DatabaseError> {
let salt = SaltString::generate(&mut OsRng);
let argon2 = Argon2::default();
let password_hash = argon2.hash_password(new_user.password.as_bytes(), &salt)?.to_string();
Ok(conn.run(move |c| {
c.transaction(|| {
let id = Uuid::new_v4();
diesel::insert_into(users::table)
.values(User {
id: id.clone(),
username: new_user.username,
email: new_user.email,
role: Role::User
})
.execute(c)?;
diesel::insert_into(pwd::table)
.values(Pwd {
user_id: id,
password: password_hash
})
.execute(c)
})
})
.await?)
}
pub async fn login(conn: DbConn, login: Login) -> Result<LoginResult, DatabaseError> {
conn.run(move |c| -> Result<LoginResult, DatabaseError> {
let id: Uuid = users::table
.filter(users::username.eq(&login.username))
.or_filter(users::email.eq(&login.username))
.select(users::id)
.first(c)?;
let pwd: String = pwd::table
.filter(pwd::user_id.eq(id))
.select(pwd::password)
.first(c)?;
let parsed_hash = PasswordHash::new(&pwd)?;
if Argon2::default()
.verify_password(&login.password.as_bytes(), &parsed_hash)
.is_ok()
{
let user: User = users::table.find(id).first(c)?;
Ok(LoginResult {
result: true,
user : Some(user)
})
} else {
Ok(LoginResult {
result: false,
user: None
})
}
})
.await
}
pub async fn get_user(conn: DbConn, id: Uuid) -> Result<User, DatabaseError> {
Ok(conn.run(move |c| users::table.filter(users::id.eq(id)).first(c))
.await?)
}
pub fn unique_username(
username: &String,
conn: &diesel::PgConnection,
) -> Result<(), ValidationError> {
match users::table
.count()
.filter(users::username.eq(username))
.get_result(conn)
{
Ok(0) => Ok(()),
Ok(_) => Err(ValidationError::new("User already exists")),
Err(_) => Err(ValidationError::new("Database error while validating user")),
}
}
pub fn unique_email(
email: &String,
conn: &diesel::PgConnection,
) -> Result<(), ValidationError> {
match users::table
.count()
.filter(users::email.eq(email))
.get_result(conn)
{
Ok(0) => Ok(()),
Ok(_) => Err(ValidationError::new("email already exists")),
Err(_) => Err(ValidationError::new(
"Database error while validating email",
)),
}
}