# errors.rs - source
Source of the Rust file `db/db-sqlx-postgres/src/errors.rs`.

    1
    2
    3
    4
    5
    6
    7
    8
    9
    10
    11
    12
    13
    14
    15
    16
    17
    18
    19
    20
    21
    22
    23
    24
    25
    26
    27
    28
    29
    30
    31
    32
    33
    34
    35
    36
    37
    38
    39
    40
    41
    42
    43
    44

    // Copyright (C) 2022  Aravinth Manivannan <realaravinth@batsense.net>
    // SPDX-FileCopyrightText: 2023 Aravinth Manivannan <realaravinth@batsense.net>
    //
    // SPDX-License-Identifier: AGPL-3.0-or-later

    //! Error-handling utilities
    use std::borrow::Cow;

    use db_core::dev::*;
    use sqlx::Error;

    /// map custom row not found error to DB error
    pub fn map_row_not_found_err(e: Error, row_not_found: DBError) -> DBError {
        if let Error::RowNotFound = e {
            row_not_found
        } else {
            map_register_err(e)
        }
    }

    /// map postgres errors to [DBError](DBError) types
    pub fn map_register_err(e: Error) -> DBError {
        if let Error::Database(err) = e {
            if err.code() == Some(Cow::from("23505")) {
                let msg = err.message();
                println!("{}", msg);
                if msg.contains("mcaptcha_users_name_key") {
                    DBError::UsernameTaken
                } else if msg.contains("mcaptcha_users_email_key") {
                    DBError::EmailTaken
                } else if msg.contains("mcaptcha_users_secret_key") {
                    DBError::SecretTaken
                } else if msg.contains("mcaptcha_config_key_key") {
                    DBError::CaptchaKeyTaken
                } else {
                    DBError::DBError(Box::new(Error::Database(err)))
                }
            } else {
                DBError::DBError(Box::new(Error::Database(err)))
            }
        } else {
            DBError::DBError(Box::new(e))
        }
    }