71 lines
2.7 KiB
TypeScript
71 lines
2.7 KiB
TypeScript
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/*
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DrCr: Web-based double-entry bookkeeping framework
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Copyright (C) 2022–2024 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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import { invoke } from '@tauri-apps/api/core';
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import { getCurrentWindow } from '@tauri-apps/api/window';
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import Database from '@tauri-apps/plugin-sql';
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import { reactive } from 'vue';
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export const db = reactive({
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filename: null as (string | null),
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// Cached
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metadata: {
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version: null! as number,
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eofy_date: null! as string,
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reporting_commodity: null! as string,
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dps: null! as number,
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},
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init: async function(filename: string) {
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// Set the DB filename and initialise cached data
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this.filename = filename;
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await invoke('set_open_filename', { 'filename': filename });
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await getCurrentWindow().setTitle('DrCr – ' + filename.replaceAll('\\', '/').split('/').at(-1));
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// Initialise cached data
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const session = await this.load();
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const metadataRaw: {key: string, value: string}[] = await session.select("SELECT * FROM metadata");
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const metadataObject = Object.fromEntries(metadataRaw.map((x) => [x.key, x.value]));
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this.metadata.version = parseInt(metadataObject.version);
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this.metadata.eofy_date = metadataObject.eofy_date;
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this.metadata.reporting_commodity = metadataObject.reporting_commodity;
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this.metadata.dps = parseInt(metadataObject.amount_dps);
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},
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load: async function() {
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return await Database.load('sqlite:' + this.filename);
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},
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});
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export async function totalBalances(session: Database): Promise<{account: string, quantity: number}[]> {
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return await session.select(`
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SELECT p3.account AS account, running_balance AS quantity FROM
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(
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SELECT p1.account, max(p2.transaction_id) AS max_tid FROM
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(
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SELECT account, max(dt) AS max_dt FROM postings JOIN transactions ON postings.transaction_id = transactions.id GROUP BY account
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) p1
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JOIN postings p2 ON p1.account = p2.account AND p1.max_dt = transactions.dt JOIN transactions ON p2.transaction_id = transactions.id GROUP BY p2.account
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) p3
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JOIN postings p4 ON p3.account = p4.account AND p3.max_tid = p4.transaction_id ORDER BY account
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`);
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}
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