+++ /dev/null
-use std::{fmt::Display, fs::{self, File}, path::Path, io::Read};\r
-\r
-use itertools::Itertools;\r
-use chrono::{prelude::*, Duration};\r
-use rusqlite::{params, Params, OptionalExtension};\r
-use r2d2::Pool;\r
-use r2d2_sqlite::SqliteConnectionManager;\r
-use rand::distributions::{Alphanumeric, DistString};\r
-\r
-use crate::consts;\r
-use crate::hash::hash;\r
-use crate::model;\r
-\r
-const CURRENT_DB_VERSION: u32 = 1;\r
-\r
-#[derive(Debug)]\r
-pub enum DBError {\r
- SqliteError(rusqlite::Error),\r
- R2d2Error(r2d2::Error),\r
- UnsupportedVersion(u32),\r
- Other(String),\r
-}\r
-\r
-impl From<rusqlite::Error> for DBError {\r
- fn from(error: rusqlite::Error) -> Self {\r
- DBError::SqliteError(error)\r
- }\r
-}\r
-\r
-impl From<r2d2::Error> for DBError {\r
- fn from(error: r2d2::Error) -> Self {\r
- DBError::R2d2Error(error)\r
- }\r
-}\r
-\r
-// TODO: Is there a better solution?\r
-impl DBError {\r
- fn from_dyn_error(error: Box<dyn std::error::Error>) -> Self {\r
- DBError::Other(error.to_string())\r
- }\r
-}\r
-\r
-type Result<T> = std::result::Result<T, DBError>;\r
-\r
-#[derive(Debug)]\r
-pub enum SignUpResult {\r
- UserAlreadyExists,\r
- UserCreatedWaitingForValidation(String), // Validation token.\r
-}\r
-\r
-#[derive(Debug)]\r
-pub enum ValidationResult {\r
- ValidationExpired,\r
- OK,\r
-}\r
-\r
-#[derive(Debug)]\r
-pub enum SignInResult {\r
- NotValidToken,\r
- OK,\r
-}\r
-\r
-#[derive(Debug)]\r
-pub enum AuthenticationResult {\r
- NotValidToken,\r
- OK,\r
-}\r
-\r
-#[derive(Clone)]\r
-pub struct Connection {\r
- //con: rusqlite::Connection\r
- pool: Pool<SqliteConnectionManager>\r
-}\r
-\r
-impl Connection {\r
- pub fn new() -> Result<Connection> {\r
- let path = Path::new(consts::DB_DIRECTORY).join(consts::DB_FILENAME);\r
- Self::new_from_file(path)\r
- }\r
-\r
- pub fn new_in_memory() -> Result<Connection> {\r
- Self::create_connection(SqliteConnectionManager::memory())\r
- }\r
-\r
- pub fn new_from_file<P: AsRef<Path>>(file: P) -> Result<Connection> {\r
- if let Some(data_dir) = file.as_ref().parent() {\r
- if !data_dir.exists() {\r
- fs::DirBuilder::new().create(data_dir).unwrap();\r
- }\r
- }\r
-\r
- Self::create_connection(SqliteConnectionManager::file(file))\r
- }\r
-\r
- /// Called after the connection has been established for creating or updating the database.\r
- /// The 'Version' table tracks the current state of the database.\r
- fn create_or_update(&self) -> Result<()> {\r
- // Check the Database version.\r
- let mut con = self.pool.get()?;\r
- let tx = con.transaction()?;\r
-\r
- // Version 0 corresponds to an empty database.\r
- let mut version = {\r
- match tx.query_row(\r
- "SELECT [name] FROM [sqlite_master] WHERE [type] = 'table' AND [name] = 'Version'",\r
- [],\r
- |row| row.get::<usize, String>(0)\r
- ) {\r
- Ok(_) => tx.query_row("SELECT [version] FROM [Version] ORDER BY [id] DESC", [], |row| row.get(0)).unwrap_or_default(),\r
- Err(_) => 0\r
- }\r
- };\r
-\r
- while Connection::update_to_next_version(version, &tx)? {\r
- version += 1;\r
- }\r
-\r
- tx.commit()?;\r
-\r
- Ok(())\r
- }\r
-\r
- fn create_connection(manager: SqliteConnectionManager) -> Result<Connection> {;\r
- let pool = r2d2::Pool::new(manager).unwrap();\r
- let connection = Connection { pool };\r
- connection.create_or_update()?;\r
- Ok(connection)\r
- }\r
-\r
- fn update_to_next_version(current_version: u32, tx: &rusqlite::Transaction) -> Result<bool> {\r
- let next_version = current_version + 1;\r
-\r
- if next_version <= CURRENT_DB_VERSION {\r
- println!("Update to version {}...", next_version);\r
- }\r
-\r
- fn update_version(to_version: u32, tx: &rusqlite::Transaction) -> Result<()> {\r
- tx.execute("INSERT INTO [Version] ([version], [datetime]) VALUES (?1, datetime('now'))", [to_version]).map(|_| ()).map_err(DBError::from)\r
- }\r
-\r
- fn ok(updated: bool) -> Result<bool> {\r
- if updated {\r
- println!("Version updated");\r
- }\r
- Ok(updated)\r
- }\r
-\r
- match next_version {\r
- 1 => {\r
- let sql_file = consts::SQL_FILENAME.replace("{VERSION}", &next_version.to_string());\r
- tx.execute_batch(&load_sql_file(&sql_file)?)?;\r
- update_version(next_version, tx)?;\r
-\r
- ok(true)\r
- }\r
-\r
- // Version 1 doesn't exist yet.\r
- 2 =>\r
- ok(false),\r
-\r
- v =>\r
- Err(DBError::UnsupportedVersion(v)),\r
- }\r
- }\r
-\r
- pub fn get_all_recipe_titles(&self) -> Result<Vec<(i32, String)>> {\r
- let con = self.pool.get()?;\r
- let mut stmt = con.prepare("SELECT [id], [title] FROM [Recipe] ORDER BY [title]")?;\r
- let titles =\r
- stmt.query_map([], |row| {\r
- Ok((row.get(0)?, row.get(1)?))\r
- })?.map(|r| r.unwrap()).collect_vec(); // TODO: remove unwrap.\r
- Ok(titles)\r
- }\r
-\r
- /* Not used for the moment.\r
- pub fn get_all_recipes(&self) -> Result<Vec<model::Recipe>> {\r
- let con = self.pool.get()?;\r
- let mut stmt = con.prepare("SELECT [id], [title] FROM [Recipe] ORDER BY [title]")?;\r
- let recipes =\r
- stmt.query_map([], |row| {\r
- Ok(model::Recipe::new(row.get(0)?, row.get(1)?))\r
- })?.map(|r| r.unwrap()).collect_vec(); // TODO: remove unwrap.\r
- Ok(recipes)\r
- } */\r
-\r
- pub fn get_recipe(&self, id: i32) -> Result<model::Recipe> {\r
- let con = self.pool.get()?;\r
- con.query_row("SELECT [id], [title] FROM [Recipe] WHERE [id] = ?1", [id], |row| {\r
- Ok(model::Recipe::new(row.get(0)?, row.get(1)?))\r
- }).map_err(DBError::from)\r
- }\r
-\r
- ///\r
- pub fn sign_up(&self, password: &str, email: &str) -> Result<SignUpResult> {\r
- self.sign_up_with_given_time(password, email, Utc::now())\r
- }\r
-\r
- fn sign_up_with_given_time(&self, password: &str, email: &str, datetime: DateTime<Utc>) -> Result<SignUpResult> {\r
- let mut con = self.pool.get()?;\r
- let tx = con.transaction()?;\r
- let token =\r
- match tx.query_row("SELECT [id], [validation_token] FROM [User] WHERE [email] = ?1", [email], |r| {\r
- Ok((r.get::<&str, i32>("id")?, r.get::<&str, Option<String>>("validation_token")?))\r
- }).optional()? {\r
- Some((id, validation_token)) => {\r
- if validation_token.is_none() {\r
- return Ok(SignUpResult::UserAlreadyExists)\r
- }\r
- let token = generate_token();\r
- let hashed_password = hash(password).map_err(|e| DBError::from_dyn_error(e))?;\r
- tx.execute("UPDATE [User] SET [validation_token] = ?2, [creation_datetime] = ?3, [password] = ?4 WHERE [id] = ?1", params![id, token, datetime, hashed_password])?;\r
- token\r
- },\r
- None => {\r
- let token = generate_token();\r
- let hashed_password = hash(password).map_err(|e| DBError::from_dyn_error(e))?;\r
- tx.execute("INSERT INTO [User] ([email], [validation_token], [creation_datetime], [password]) VALUES (?1, ?2, ?3, ?4)", params![email, token, datetime, hashed_password])?;\r
- token\r
- },\r
- };\r
- tx.commit()?;\r
- Ok(SignUpResult::UserCreatedWaitingForValidation(token))\r
- }\r
-\r
- pub fn validation(&self, token: &str, validation_time: Duration) -> Result<ValidationResult> {\r
- todo!()\r
- }\r
-\r
- pub fn sign_in(&self, password: &str, email: String) -> Result<SignInResult> {\r
- todo!()\r
- }\r
-\r
- pub fn authentication(&self, token: &str) -> Result<AuthenticationResult> {\r
- todo!()\r
- }\r
-\r
- pub fn logout(&self, token: &str) -> Result<()> {\r
- todo!()\r
- }\r
-\r
- /// Execute a given SQL file.\r
- pub fn execute_file<P: AsRef<Path> + Display>(&self, file: P) -> Result<()> {\r
- let con = self.pool.get()?;\r
- let sql = load_sql_file(file)?;\r
- con.execute_batch(&sql).map_err(DBError::from)\r
- }\r
-\r
- /// Execute any SQL statement.\r
- /// Mainly used for testing.\r
- pub fn execute_sql<P: Params>(&self, sql: &str, params: P) -> Result<usize> {\r
- let con = self.pool.get()?;\r
- con.execute(sql, params).map_err(DBError::from)\r
- }\r
-}\r
-\r
-fn load_sql_file<P: AsRef<Path> + Display>(sql_file: P) -> Result<String> {\r
- let mut file = File::open(&sql_file).map_err(|err| DBError::Other(format!("Cannot open SQL file ({}): {}", &sql_file, err.to_string())))?;\r
- let mut sql = String::new();\r
- file.read_to_string(&mut sql).map_err(|err| DBError::Other(format!("Cannot read SQL file ({}) : {}", &sql_file, err.to_string())))?;\r
- Ok(sql)\r
-}\r
-\r
-fn generate_token() -> String {\r
- Alphanumeric.sample_string(&mut rand::thread_rng(), 24)\r
-}\r
-\r
-#[cfg(test)]\r
-mod tests {\r
- use super::*;\r
-\r
- #[test]\r
- fn sign_up() -> Result<()> {\r
- let connection = Connection::new_in_memory()?;\r
- match connection.sign_up("12345", "paul@test.org")? {\r
- SignUpResult::UserCreatedWaitingForValidation(_) => (), // Nominal case.\r
- other => panic!("{:?}", other),\r
- }\r
- Ok(())\r
- }\r
-\r
- #[test]\r
- fn sign_up_to_an_already_existing_user() -> Result<()> {\r
- let connection = Connection::new_in_memory()?;\r
- connection.execute_sql("\r
- INSERT INTO [User] ([id], [email], [name], [password], [creation_datetime], [validation_token])\r
- VALUES (\r
- 1,\r
- 'paul@test.org',\r
- 'paul',\r
- '$argon2id$v=19$m=4096,t=3,p=1$1vtXcacYjUHZxMrN6b2Xng$wW8Z59MIoMcsIljnjHmxn3EBcc5ymEySZPUVXHlRxcY',\r
- 0,\r
- NULL\r
- );", [])?;\r
- match connection.sign_up("12345", "paul@test.org")? {\r
- SignUpResult::UserAlreadyExists => (), // Nominal case.\r
- other => panic!("{:?}", other),\r
- }\r
- Ok(())\r
- }\r
-\r
- #[test]\r
- fn sign_up_to_an_unvalidated_already_existing_user() -> Result<()> {\r
- todo!()\r
- }\r
-\r
- fn sign_up_then_send_validation_at_time() -> Result<()> {\r
- todo!()\r
- }\r
-\r
- fn sign_up_then_send_validation_too_late() -> Result<()> {\r
- todo!()\r
- }\r
-\r
- //fn sign_up_then_send_validation_then_sign_in()\r
-}\r