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General ledger report using libdrcr

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This commit is contained in:
RunasSudo 2025-05-27 23:49:34 +10:00
parent 51a40e5ed9
commit ad3276bbd5
Signed by: RunasSudo
GPG Key ID: 7234E476BF21C61A
4 changed files with 46 additions and 319 deletions
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1
src-tauri/src/lib.rs
View File

@ -90,6 +90,7 @@ pub fn run() {
.invoke_handler(tauri::generate_handler![
get_open_filename,
set_open_filename,
libdrcr_bridge::get_all_transactions_except_earnings_to_equity,
libdrcr_bridge::get_balance_sheet,
libdrcr_bridge::get_income_statement,
libdrcr_bridge::get_trial_balance,

54
src-tauri/src/libdrcr_bridge.rs
View File

@ -26,17 +26,18 @@ use libdrcr::reporting::generate_report;
use libdrcr::reporting::steps::register_lookup_fns;
use libdrcr::reporting::types::{
DateArgs, DateStartDateEndArgs, MultipleDateArgs, MultipleDateStartDateEndArgs,
ReportingContext, ReportingProductId, ReportingProductKind, VoidArgs,
ReportingContext, ReportingProduct, ReportingProductId, ReportingProductKind, Transactions,
VoidArgs,
};
use tauri::State;
use tokio::sync::Mutex;
use crate::AppState;
async fn get_dynamic_report(
async fn get_report(
state: State<'_, Mutex<AppState>>,
target: ReportingProductId,
) -> Result<String, ()> {
target: &ReportingProductId,
) -> Box<dyn ReportingProduct> {
let state = state.lock().await;
let db_filename = state.db_filename.clone().unwrap();
@ -60,11 +61,29 @@ async fn get_dynamic_report(
target.clone(),
];
let products = generate_report(targets, Arc::new(context)).await.unwrap();
let result = products.get_or_err(&target).unwrap();
let result = products.get_owned_or_err(&target).unwrap();
let dynamic_report = result.downcast_ref::<DynamicReport>().unwrap().to_json();
result
}
Ok(dynamic_report)
#[tauri::command]
pub(crate) async fn get_all_transactions_except_earnings_to_equity(
state: State<'_, Mutex<AppState>>,
) -> Result<String, ()> {
Ok(get_report(
state,
&ReportingProductId {
name: "AllTransactionsExceptEarningsToEquity",
kind: ReportingProductKind::Transactions,
args: Box::new(DateArgs {
date: NaiveDate::from_ymd_opt(9999, 12, 31).unwrap(),
}),
},
)
.await
.downcast_ref::<Transactions>()
.unwrap()
.to_json())
}
#[tauri::command]
@ -79,9 +98,9 @@ pub(crate) async fn get_balance_sheet(
})
}
get_dynamic_report(
Ok(get_report(
state,
ReportingProductId {
&ReportingProductId {
name: "BalanceSheet",
kind: ReportingProductKind::Generic,
args: Box::new(MultipleDateArgs {
@ -90,6 +109,9 @@ pub(crate) async fn get_balance_sheet(
},
)
.await
.downcast_ref::<DynamicReport>()
.unwrap()
.to_json())
}
#[tauri::command]
@ -105,9 +127,9 @@ pub(crate) async fn get_income_statement(
})
}
get_dynamic_report(
Ok(get_report(
state,
ReportingProductId {
&ReportingProductId {
name: "IncomeStatement",
kind: ReportingProductKind::Generic,
args: Box::new(MultipleDateStartDateEndArgs {
@ -116,6 +138,9 @@ pub(crate) async fn get_income_statement(
},
)
.await
.downcast_ref::<DynamicReport>()
.unwrap()
.to_json())
}
#[tauri::command]
@ -125,13 +150,16 @@ pub(crate) async fn get_trial_balance(
) -> Result<String, ()> {
let date = NaiveDate::parse_from_str(&date, "%Y-%m-%d").expect("Invalid date");
get_dynamic_report(
Ok(get_report(
state,
ReportingProductId {
&ReportingProductId {
name: "TrialBalance",
kind: ReportingProductKind::Generic,
args: Box::new(DateArgs { date }),
},
)
.await
.downcast_ref::<DynamicReport>()
.unwrap()
.to_json())
}

16
src/pages/GeneralLedgerView.vue
View File

@ -60,16 +60,13 @@
<script setup lang="ts">
import Clusterize from 'clusterize.js';
import dayjs from 'dayjs';
import { PencilIcon, PlusIcon } from '@heroicons/vue/24/outline';
import { invoke } from '@tauri-apps/api/core';
import { onUnmounted, ref, watch } from 'vue';
import { Transaction, db } from '../db.ts';
import { Transaction } from '../db.ts';
import { pp, ppWithCommodity } from '../display.ts';
import { ReportingStage, ReportingWorkflow } from '../reporting.ts';
import { renderComponent } from '../webutil.ts';
const commodityDetail = ref(false);
@ -78,14 +75,9 @@
let clusterize: Clusterize | null = null;
async function load() {
const session = await db.load();
const reportingWorkflow = new ReportingWorkflow();
await reportingWorkflow.generate(session);
transactions.value = JSON.parse(await invoke('get_all_transactions_except_earnings_to_equity'));
transactions.value = reportingWorkflow.getTransactionsAtStage(ReportingStage.FINAL_STAGE);
// Display transactions in reverse chronological order
// We must sort here because they are returned by reportingWorkflow in order of ReportingStage
// Display transactions in reverse chronological order - they are returned in arbitrary order
transactions.value.sort((a, b) => (b.dt.localeCompare(a.dt)) || ((b.id ?? 0) - (a.id ?? 0)));
}

294
src/reporting.ts
View File

@ -1,294 +0,0 @@
/*
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/>.
*/
import dayjs from 'dayjs';
import { asCost } from './amounts.ts';
import { DT_FORMAT, JoinedTransactionPosting, StatementLine, Transaction, db, getAccountsForKind, joinedToTransactions, totalBalances, totalBalancesAtDate } from './db.ts';
import { ExtendedDatabase } from './dbutil.ts';
import { BalanceSheetReport } from './reports/BalanceSheetReport.vue';
import { DrcrReport } from './reports/base.ts';
import TrialBalanceReport from './reports/TrialBalanceReport.ts';
import { IncomeStatementReport } from './reports/IncomeStatementReport.vue';
export enum ReportingStage {
// Load transactions from database
TransactionsFromDatabase = 100,
// Load unreconciled statement lines and other ordinary API transactions
OrdinaryAPITransactions = 200,
// Recognise accumulated surplus as equity
AccumulatedSurplusToEquity = 300,
// Interim income statement considering only DB and ordinary API transactions
InterimIncomeStatement = 400,
// Income tax estimation
//Tax = 500,
// Final income statement
//IncomeStatement = 600,
// Final balance sheet
BalanceSheet = 700,
FINAL_STAGE = BalanceSheet
}
export class ReportingWorkflow {
transactionsForStage: Map<ReportingStage, Transaction[]> = new Map();
reportsForStage: Map<ReportingStage, DrcrReport[]> = new Map();
async generate(session: ExtendedDatabase, dt?: string, dtStart?: string) {
// ------------------------
// TransactionsFromDatabase
let balances: Map<string, number>;
{
// Load balances from database
if (dt) {
balances = await totalBalancesAtDate(session, dt);
} else {
balances = await totalBalances(session);
}
this.reportsForStage.set(ReportingStage.TransactionsFromDatabase, [new TrialBalanceReport(balances)]);
// Load transactions from database
let joinedTransactionPostings: JoinedTransactionPosting[];
if (dt) {
joinedTransactionPostings = await session.select(
`SELECT transaction_id, dt, transaction_description, id, description, account, quantity, commodity, quantity_ascost, running_balance
FROM transactions_with_running_balances
WHERE DATE(dt) <= DATE($1)
ORDER BY dt, transaction_id, id`,
[dt]
);
} else {
joinedTransactionPostings = await session.select(
`SELECT transaction_id, dt, transaction_description, id, description, account, quantity, commodity, quantity_ascost, running_balance
FROM transactions_with_running_balances
ORDER BY dt, transaction_id, id`
);
}
const transactions = joinedToTransactions(joinedTransactionPostings);
this.transactionsForStage.set(ReportingStage.TransactionsFromDatabase, transactions);
}
// -----------------------
// OrdinaryAPITransactions
{
// Get unreconciled statement lines
let unreconciledStatementLines: StatementLine[];
if (dt) {
unreconciledStatementLines = await session.select(
// On testing, JOIN is much faster than WHERE NOT EXISTS
`SELECT statement_lines.* FROM statement_lines
LEFT JOIN statement_line_reconciliations ON statement_lines.id = statement_line_reconciliations.statement_line_id
WHERE statement_line_reconciliations.id IS NULL AND DATE(dt) <= DATE($1)`,
[dt]
);
} else {
unreconciledStatementLines = await session.select(
`SELECT statement_lines.* FROM statement_lines
LEFT JOIN statement_line_reconciliations ON statement_lines.id = statement_line_reconciliations.statement_line_id
WHERE statement_line_reconciliations.id IS NULL`
);
}
const transactions = [];
for (const line of unreconciledStatementLines) {
const unclassifiedAccount = line.quantity >= 0 ? 'Unclassified Statement Line Debits' : 'Unclassified Statement Line Credits';
transactions.push(new Transaction(
null,
line.dt,
line.description,
[
{
id: null,
description: null,
account: line.source_account,
quantity: line.quantity,
commodity: line.commodity,
quantity_ascost: asCost(line.quantity, line.commodity),
},
{
id: null,
description: null,
account: unclassifiedAccount,
quantity: -line.quantity,
commodity: line.commodity,
quantity_ascost: asCost(-line.quantity, line.commodity),
}
]
));
}
this.transactionsForStage.set(ReportingStage.OrdinaryAPITransactions, transactions);
// Recompute balances
balances = applyTransactionsToBalances(balances, transactions);
this.reportsForStage.set(ReportingStage.OrdinaryAPITransactions, [new TrialBalanceReport(balances)]);
}
// --------------------------
// AccumulatedSurplusToEquity
{
// Compute balances at period start for TransactionsFromDatabase
let dayBeforePeriodStart;
if (dtStart) {
dayBeforePeriodStart = dayjs(dtStart).subtract(1, 'day');
} else {
dayBeforePeriodStart = dayjs(db.metadata.eofy_date).subtract(1, 'year');
}
const balancesAtPeriodStart = await totalBalancesAtDate(session, dayBeforePeriodStart.format('YYYY-MM-DD'));
// Add balances at period start for OrdinaryAPITransactions
for (const transaction of this.transactionsForStage.get(ReportingStage.OrdinaryAPITransactions)!) {
if (!dayjs(transaction.dt).isAfter(dayBeforePeriodStart)) {
for (const posting of transaction.postings) {
balancesAtPeriodStart.set(posting.account, (balancesAtPeriodStart.get(posting.account) ?? 0) + posting.quantity_ascost!);
}
}
}
// Get income and expense accounts
const incomeAccounts = await getAccountsForKind(session, 'drcr.income');
const expenseAccounts = await getAccountsForKind(session, 'drcr.expense');
const pandlAccounts = [...incomeAccounts, ...expenseAccounts];
pandlAccounts.sort();
// Prepare transactions
const transactions = [];
for (const account of pandlAccounts) {
if (balancesAtPeriodStart.has(account)) {
const balanceAtPeriodStart = balancesAtPeriodStart.get(account)!;
if (balanceAtPeriodStart === 0) {
continue;
}
transactions.push(new Transaction(
null,
dayBeforePeriodStart.format(DT_FORMAT),
'Accumulated surplus/deficit',
[
{
id: null,
description: null,
account: account,
quantity: -balanceAtPeriodStart,
commodity: db.metadata.reporting_commodity,
quantity_ascost: asCost(-balanceAtPeriodStart, db.metadata.reporting_commodity),
},
{
id: null,
description: null,
account: 'Accumulated surplus (deficit)',
quantity: balanceAtPeriodStart,
commodity: db.metadata.reporting_commodity,
quantity_ascost: asCost(balanceAtPeriodStart, db.metadata.reporting_commodity),
},
]
));
}
}
this.transactionsForStage.set(ReportingStage.AccumulatedSurplusToEquity, transactions);
// Recompute balances
balances = applyTransactionsToBalances(balances, transactions);
this.reportsForStage.set(ReportingStage.AccumulatedSurplusToEquity, [new TrialBalanceReport(balances)]);
}
// ---------------
// InterimIncomeStatement
let incomeStatementReport;
{
incomeStatementReport = new IncomeStatementReport();
await incomeStatementReport.generate(balances);
this.reportsForStage.set(ReportingStage.InterimIncomeStatement, [incomeStatementReport]);
}
// ------------
// BalanceSheet
{
const balanceSheetReport = new BalanceSheetReport();
await balanceSheetReport.generate(balances, incomeStatementReport);
this.reportsForStage.set(ReportingStage.BalanceSheet, [balanceSheetReport]);
}
}
getReportAtStage(stage: ReportingStage, reportType: any): DrcrReport {
// TODO: This function needs generics
const reportsForTheStage = this.reportsForStage.get(stage);
if (!reportsForTheStage) {
throw new Error('Attempt to get report for unavailable stage');
}
const report = reportsForTheStage.find((r) => r instanceof reportType);
if (report) {
return report;
}
// Recurse earlier stages
const stages = [...this.reportsForStage.keys()];
stages.reverse();
for (const earlierStage of stages) {
if (earlierStage >= stage) {
continue;
}
const report = this.reportsForStage.get(earlierStage)!.find((r) => r instanceof reportType);
if (report) {
return report;
}
}
throw new Error('Report does not exist at requested stage or any earlier stage');
}
getTransactionsAtStage(stage: ReportingStage): Transaction[] {
const transactions: Transaction[] = [];
for (const [curStage, curTransactions] of this.transactionsForStage.entries()) {
if (curStage <= stage) {
transactions.push(...curTransactions);
}
}
return transactions;
}
}
function applyTransactionsToBalances(balances: Map<string, number>, transactions: Transaction[]): Map<string, number> {
// Initialise new balances
const newBalances: Map<string, number> = new Map([...balances.entries()]);
// Apply transactions
for (const transaction of transactions) {
for (const posting of transaction.postings) {
const openingBalance = newBalances.get(posting.account) ?? 0;
const runningBalance = openingBalance + posting.quantity_ascost!;
newBalances.set(posting.account, runningBalance);
}
}
// Sort accounts
return new Map([...newBalances.entries()].sort((a, b) => a[0].localeCompare(b[0])));
}