DrCr/libdrcr/src/model/transaction.rs
RunasSudo 0b3770fb95 Add 'libdrcr/' from commit '364c44d60a3cc0ee93ed52925aa5f1109636f93c'
git-subtree-dir: libdrcr
git-subtree-mainline: 4364af9b9a67a88a35da031a76d1a335af36c30b
git-subtree-split: 364c44d60a3cc0ee93ed52925aa5f1109636f93c
2025-05-28 00:37:35 +10:00

68 lines
2.0 KiB
Rust

/*
DrCr: Web-based double-entry bookkeeping framework
Copyright (C) 2022-2025 Lee Yingtong Li (RunasSudo)
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
use std::collections::HashMap;
use chrono::NaiveDateTime;
use serde::{Deserialize, Serialize};
use crate::QuantityInt;
#[derive(Clone, Debug, Deserialize, Serialize)]
pub struct Transaction {
pub id: Option<u64>,
#[serde(with = "crate::serde::naivedatetime_to_js")]
pub dt: NaiveDateTime,
pub description: String,
}
#[derive(Clone, Debug, Deserialize, Serialize)]
pub struct TransactionWithPostings {
#[serde(flatten)]
pub transaction: Transaction,
pub postings: Vec<Posting>,
}
#[derive(Clone, Debug, Deserialize, Serialize)]
pub struct Posting {
pub id: Option<u64>,
pub transaction_id: Option<u64>,
pub description: Option<String>,
pub account: String,
pub quantity: QuantityInt,
pub commodity: String,
pub quantity_ascost: Option<QuantityInt>,
//pub running_balance: Option<QuantityInt>,
}
pub(crate) fn update_balances_from_transactions<
'a,
I: Iterator<Item = &'a TransactionWithPostings>,
>(
balances: &mut HashMap<String, QuantityInt>,
transactions: I,
) {
for transaction in transactions {
for posting in transaction.postings.iter() {
// FIXME: Do currency conversion
let running_balance = balances.get(&posting.account).unwrap_or(&0) + posting.quantity;
balances.insert(posting.account.clone(), running_balance);
}
}
}