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