nautilus_infrastructure/sql/models/
accounts.rs

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// -------------------------------------------------------------------------------------------------
//  Copyright (C) 2015-2025 Nautech Systems Pty Ltd. All rights reserved.
//  https://nautechsystems.io
//
//  Licensed under the GNU Lesser General Public License Version 3.0 (the "License");
//  You may not use this file except in compliance with the License.
//  You may obtain a copy of the License at https://www.gnu.org/licenses/lgpl-3.0.en.html
//
//  Unless required by applicable law or agreed to in writing, software
//  distributed under the License is distributed on an "AS IS" BASIS,
//  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
//  See the License for the specific language governing permissions and
//  limitations under the License.
// -------------------------------------------------------------------------------------------------

use std::str::FromStr;

use nautilus_core::{UnixNanos, UUID4};
use nautilus_model::{
    enums::AccountType, events::AccountState, identifiers::AccountId, types::Currency,
};
use sqlx::{postgres::PgRow, FromRow, Row};

pub struct AccountEventModel(pub AccountState);

impl<'r> FromRow<'r, PgRow> for AccountEventModel {
    fn from_row(row: &'r PgRow) -> Result<Self, sqlx::Error> {
        let event_id = row.try_get::<&str, _>("id").map(UUID4::from)?;
        let account_id = row.try_get::<&str, _>("account_id").map(AccountId::from)?;
        let account_type = AccountType::from_str(row.try_get::<&str, _>("kind")?).unwrap();
        let is_reported = row.try_get::<bool, _>("is_reported")?;
        let ts_event = row.try_get::<&str, _>("ts_event").map(UnixNanos::from)?;
        let ts_init = row.try_get::<&str, _>("ts_init").map(UnixNanos::from)?;
        let base_currency = row
            .try_get::<Option<&str>, _>("base_currency")
            .map(|res| res.map(Currency::from))?;
        let balances: serde_json::Value = row.try_get("balances")?;
        let margins: serde_json::Value = row.try_get("margins")?;
        let account_event = AccountState::new(
            account_id,
            account_type,
            serde_json::from_value(balances).unwrap(),
            serde_json::from_value(margins).unwrap(),
            is_reported,
            event_id,
            ts_event,
            ts_init,
            base_currency,
        );
        Ok(AccountEventModel(account_event))
    }
}