From 7616d1256d237719e6fb195b4a3ce443752c3263 Mon Sep 17 00:00:00 2001
From: RunasSudo <runassudo@yingtongli.me>
Date: Sat, 16 Nov 2024 21:35:39 +1100
Subject: [PATCH] Implement journal view

---
 src/main.ts                     |   1 +
 src/pages/GeneralLedgerView.vue |  19 ++--
 src/pages/HomeView.vue          |   2 +-
 src/pages/JournalView.vue       | 157 ++++++++++++++++++++++++++++++++
 4 files changed, 169 insertions(+), 10 deletions(-)
 create mode 100644 src/pages/JournalView.vue

diff --git a/src/main.ts b/src/main.ts
index a35a94a..01a598f 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -30,6 +30,7 @@ async function initApp() {
 	const routes = [
 		{ path: '/', name: 'index', component: () => import('./pages/HomeView.vue') },
 		{ path: '/general-ledger', name: 'general-ledger', component: () => import('./pages/GeneralLedgerView.vue') },
+		{ path: '/journal', name: 'journal', component: () => import('./pages/JournalView.vue') },
 		{ path: '/transactions/:account', name: 'transactions', component: () => import('./pages/TransactionsView.vue') },
 		{ path: '/trial-balance', name: 'trial-balance', component: () => import('./pages/TrialBalanceView.vue') },
 	];
diff --git a/src/pages/GeneralLedgerView.vue b/src/pages/GeneralLedgerView.vue
index 4d07e74..ca72b82 100644
--- a/src/pages/GeneralLedgerView.vue
+++ b/src/pages/GeneralLedgerView.vue
@@ -22,8 +22,8 @@
 	</h1>
 	
 	<div class="my-4 flex">
-		<button v-if="commodityDetail" class="btn-secondary" @click="commodityDetail = false; renderTable();">Hide commodity detail</button>
-		<button v-if="!commodityDetail" class="btn-secondary" @click="commodityDetail = true; renderTable();">Show commodity detail</button>
+		<button v-if="commodityDetail" class="btn-secondary" @click="commodityDetail = false">Hide commodity detail</button>
+		<button v-if="!commodityDetail" class="btn-secondary" @click="commodityDetail = true">Show commodity detail</button>
 	</div>
 	
 	<div id="transaction-list" class="max-h-[100vh] overflow-y-scroll wk-aa">
@@ -44,7 +44,7 @@
 			</thead>
 			<tbody>
 				<tr>
-					<td colspan="4">Loading data…</td>
+					<td colspan="6">Loading data…</td>
 				</tr>
 			</tbody>
 		</table>
@@ -56,7 +56,7 @@
 	
 	import dayjs from 'dayjs';
 	
-	import { onUnmounted, ref } from 'vue';
+	import { onUnmounted, ref, watch } from 'vue';
 	
 	import { asCost } from '../amounts.ts';
 	import { JoinedTransactionPosting, Transaction, db, joinedToTransactions } from '../db.ts';
@@ -64,7 +64,7 @@
 	
 	const commodityDetail = ref(false);
 	
-	let transactions: Transaction[] = [];
+	const transactions = ref([] as Transaction[]);
 	let clusterize: Clusterize | null = null;
 	
 	async function load() {
@@ -77,15 +77,13 @@
 			ORDER BY dt DESC, transaction_id DESC, postings.id`
 		);
 		
-		transactions = joinedToTransactions(joinedTransactionPostings);
-		
-		renderTable();
+		transactions.value = joinedToTransactions(joinedTransactionPostings);
 	}
 	
 	function renderTable() {
 		const rows = [];
 		
-		for (const transaction of transactions) {
+		for (const transaction of transactions.value) {
 			rows.push(
 				`<tr class="border-t border-gray-300">
 					<td class="py-0.5 pr-1 text-gray-900 lg:w-[12ex]">${ dayjs(transaction.dt).format('YYYY-MM-DD') }</td>
@@ -140,6 +138,9 @@
 		}
 	}
 	
+	watch(commodityDetail, renderTable);
+	watch(transactions, renderTable);
+	
 	load();
 	
 	onUnmounted(() => {
diff --git a/src/pages/HomeView.vue b/src/pages/HomeView.vue
index a4dffd9..0ec2d57 100644
--- a/src/pages/HomeView.vue
+++ b/src/pages/HomeView.vue
@@ -21,7 +21,7 @@
 		<div class="pr-4">
 			<h2 class="font-medium text-gray-700 mb-2">Data sources</h2>
 			<ul class="list-disc ml-6">
-				<!--<li><a href="#" class="text-gray-900 hover:text-blue-700 hover:underline">Journal</a></li>-->
+				<li><RouterLink :to="{ name: 'journal' }" class="text-gray-900 hover:text-blue-700 hover:underline">Journal</RouterLink></li>
 				<!--<li><a href="#" class="text-gray-900 hover:text-blue-700 hover:underline">Statement lines</a></li>-->
 				<!--<li><a href="#" class="text-gray-900 hover:text-blue-700 hover:underline">Balance assertions</a></li>-->
 				<!--<li><a href="#" class="text-gray-900 hover:text-blue-700 hover:underline">Chart of accounts</a></li>-->
diff --git a/src/pages/JournalView.vue b/src/pages/JournalView.vue
new file mode 100644
index 0000000..4ef60fd
--- /dev/null
+++ b/src/pages/JournalView.vue
@@ -0,0 +1,157 @@
+<!--
+	DrCr: Web-based double-entry bookkeeping framework
+	Copyright (C) 2022–2024  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/>.
+-->
+
+<template>
+	<h1 class="page-heading">
+		Journal
+	</h1>
+	
+	<div class="my-4 flex gap-x-2">
+		<!--<a href="{{ url_for('journal_new_transaction') }}" class="btn-primary pl-2">
+			<svg xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 24 24" stroke-width="1.5" stroke="currentColor" class="w-4 h-4">
+				<path stroke-linecap="round" stroke-linejoin="round" d="M12 4.5v15m7.5-7.5h-15" />
+			</svg>
+			New transaction
+		</a>-->
+		<button v-if="commodityDetail" class="btn-secondary" @click="commodityDetail = false">Hide commodity detail</button>
+		<button v-if="!commodityDetail" class="btn-secondary" @click="commodityDetail = true">Show commodity detail</button>
+	</div>
+	
+	<div id="transaction-list" class="max-h-[100vh] overflow-y-scroll wk-aa">
+		<table class="min-w-full">
+			<thead>
+				<tr>
+					<th class="py-0.5 pr-1 text-gray-900 font-semibold lg:w-[12ex] text-start">Date</th>
+					<th class="py-0.5 px-1 text-gray-900 font-semibold text-start" colspan="3">Description</th>
+					<template v-if="commodityDetail">
+						<th class="py-0.5 px-1 text-gray-900 font-semibold text-end">Dr</th>
+						<th class="py-0.5 pl-1 text-gray-900 font-semibold text-end">Cr</th>
+					</template>
+					<template v-if="!commodityDetail">
+						<th class="py-0.5 px-1 text-gray-900 font-semibold lg:w-[12ex] text-end">Dr</th>
+						<th class="py-0.5 pl-1 text-gray-900 font-semibold lg:w-[12ex] text-end">Cr</th>
+					</template>
+				</tr>
+			</thead>
+			<tbody>
+				<tr>
+					<td colspan="6">Loading data…</td>
+				</tr>
+			</tbody>
+		</table>
+	</div>
+</template>
+
+<script setup lang="ts">
+	import Clusterize from 'clusterize.js';
+	
+	import dayjs from 'dayjs';
+	
+	import { onUnmounted, ref, watch } from 'vue';
+	
+	import { asCost } from '../amounts.ts';
+	import { JoinedTransactionPosting, Transaction, db, joinedToTransactions } from '../db.ts';
+	import { pp, ppWithCommodity } from '../display.ts';
+	
+	const commodityDetail = ref(false);
+	
+	const transactions = ref([] as Transaction[]);
+	let clusterize: Clusterize | null = null;
+	
+	async function load() {
+		const session = await db.load();
+		
+		const joinedTransactionPostings: JoinedTransactionPosting[] = await session.select(
+			`SELECT transaction_id, dt, transactions.description AS transaction_description, postings.id, postings.description, account, quantity, commodity
+			FROM transactions
+			JOIN postings ON transactions.id = postings.transaction_id
+			ORDER BY dt DESC, transaction_id DESC, postings.id`
+		);
+		
+		transactions.value = joinedToTransactions(joinedTransactionPostings);
+	}
+	
+	function renderTable() {
+		const rows = [];
+		
+		for (const transaction of transactions.value) {
+			rows.push(
+				`<tr class="border-t border-gray-300">
+					<td class="py-0.5 pr-1 text-gray-900 lg:w-[12ex]">${ dayjs(transaction.dt).format('YYYY-MM-DD') }</td>
+					<td class="py-0.5 px-1 text-gray-900" colspan="3">${ transaction.description }</td>
+					<td></td>
+					<td></td>
+				</tr>`
+			);
+			for (const posting of transaction.postings) {
+				if (commodityDetail.value) {
+					rows.push(
+						`<tr>
+							<td class=""></td>
+							<td class="py-0.5 px-1 text-gray-900 lg:w-[30%]">${ posting.description ?? '' }</td>
+							<td class="py-0.5 px-1 text-gray-900 text-end"><i>${ posting.quantity >= 0 ? 'Dr' : 'Cr' }</i></td>
+							<td class="py-0.5 px-1 text-gray-900 lg:w-[30%]"><a href="/transactions/${ encodeURIComponent(posting.account) }" class="text-gray-900 hover:text-blue-700 hover:underline">${ posting.account }</a></td>
+							<td class="py-0.5 px-1 text-gray-900 text-end">
+								${ posting.quantity >= 0 ? ppWithCommodity(posting.quantity, posting.commodity) : '' }
+							</td>
+							<td class="py-0.5 pl-1 text-gray-900 text-end">
+								${ posting.quantity < 0 ? ppWithCommodity(-posting.quantity, posting.commodity) : '' }
+							</td>
+						</tr>`
+					);
+				} else {
+					rows.push(
+						`<tr>
+							<td class=""></td>
+							<td class="py-0.5 px-1 text-gray-900 lg:w-[30%]">${ posting.description ?? '' }</td>
+							<td class="py-0.5 px-1 text-gray-900 text-end"><i>${ posting.quantity >= 0 ? 'Dr' : 'Cr' }</i></td>
+							<td class="py-0.5 px-1 text-gray-900 lg:w-[30%]"><a href="/transactions/${ encodeURIComponent(posting.account) }" class="text-gray-900 hover:text-blue-700 hover:underline">${ posting.account }</a></td>
+							<td class="py-0.5 px-1 text-gray-900 lg:w-[12ex] text-end">
+								${ posting.quantity >= 0 ? pp(asCost(posting.quantity, posting.commodity)) : '' }
+							</td>
+							<td class="py-0.5 pl-1 text-gray-900 lg:w-[12ex] text-end">
+								${ posting.quantity < 0 ? pp(asCost(-posting.quantity, posting.commodity)) : '' }
+							</td>
+						</tr>`
+					);
+				}
+			}
+		}
+		
+		if (clusterize === null) {
+			clusterize = new Clusterize({
+				'rows': rows,
+				scrollElem: document.getElementById('transaction-list')!,
+				contentElem: document.querySelector('#transaction-list tbody')!
+			});
+		} else {
+			clusterize.update(rows);
+		}
+	}
+	
+	watch(commodityDetail, renderTable);
+	watch(transactions, renderTable);
+	
+	load();
+	
+	onUnmounted(() => {
+		if (clusterize !== null) {
+			clusterize.destroy();
+		}
+	});
+</script>