+\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