From 54ef0de03b89176ca7987f1cb12394908b4f1784 Mon Sep 17 00:00:00 2001
From: RunasSudo <runassudo@yingtongli.me>
Date: Sat, 7 Jun 2025 13:15:52 +1000
Subject: [PATCH] Implement creating new database file

---
 schema.sql                |  4 +-
 src-tauri/tauri.conf.json |  3 +-
 src/App.vue               | 11 ++++--
 src/db.ts                 | 39 ++++++++++++++++++-
 src/main.ts               |  1 +
 src/pages/NewFileView.vue | 80 +++++++++++++++++++++++++++++++++++++++
 src/pages/NoFileView.vue  |  7 +++-
 7 files changed, 136 insertions(+), 9 deletions(-)
 create mode 100644 src/pages/NewFileView.vue

diff --git a/schema.sql b/schema.sql
index 4de3748..0427ef4 100644
--- a/schema.sql
+++ b/schema.sql
@@ -14,6 +14,8 @@
 --  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/>.
 
+-- Current version: 3 (see db.ts)
+
 ---------
 -- Tables
 
@@ -93,7 +95,7 @@ CREATE TABLE austax_cgt_cost_adjustments (
 	description VARCHAR,
 	cost_adjustment INTEGER,
 	PRIMARY KEY (id)
-)
+);
 
 --------
 -- Views
diff --git a/src-tauri/tauri.conf.json b/src-tauri/tauri.conf.json
index 591d634..92c55e9 100644
--- a/src-tauri/tauri.conf.json
+++ b/src-tauri/tauri.conf.json
@@ -28,7 +28,8 @@
       "icons/icon.png"
     ],
     "resources": {
-      "../libdrcr/plugins/": "plugins/"
+      "../libdrcr/plugins/": "plugins/",
+      "../schema.sql": "schema.sql"
     }
   }
 }
diff --git a/src/App.vue b/src/App.vue
index cc10b66..d1e6953 100644
--- a/src/App.vue
+++ b/src/App.vue
@@ -1,6 +1,6 @@
 <!--
 	DrCr: Web-based double-entry bookkeeping framework
-	Copyright (C) 2022–2024  Lee Yingtong Li (RunasSudo)
+	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
@@ -22,8 +22,8 @@
 		<div class="py-8">
 			<main>
 				<div class="mx-auto max-w-7xl px-6 lg:px-8">
-					<NoFileView v-if="db.filename === null" />
-					<RouterView v-if="db.filename !== null" />
+					<NoFileView v-if="!(db.filename !== null || route.name === 'new-file')" />
+					<RouterView v-if="db.filename !== null || route.name === 'new-file'" />
 				</div>
 			</main>
 		</div>
@@ -31,8 +31,11 @@
 </template>
 
 <script setup lang="ts">
+	import { useRoute } from 'vue-router';
+	
 	import HeaderBar from './components/HeaderBar.vue';
+	import { db } from './db.js';
 	import NoFileView from './pages/NoFileView.vue';
 	
-	import { db } from './db.js';
+	const route = useRoute();
 </script>
diff --git a/src/db.ts b/src/db.ts
index e6f3d97..e4f485a 100644
--- a/src/db.ts
+++ b/src/db.ts
@@ -17,14 +17,16 @@
 */
 
 import { invoke } from '@tauri-apps/api/core';
+import { resolveResource } from '@tauri-apps/api/path';
 import { getCurrentWindow } from '@tauri-apps/api/window';
+import { readTextFile } from '@tauri-apps/plugin-fs';
 import Database from '@tauri-apps/plugin-sql';
-
 import { reactive } from 'vue';
 
 import { Balance } from './amounts.ts';
 import { ExtendedDatabase } from './dbutil.ts';
 
+export const DB_VERSION = 3;  // Should match schema.sql
 export const DT_FORMAT = 'YYYY-MM-DD HH:mm:ss.SSS000';
 
 export const db = reactive({
@@ -60,6 +62,8 @@ export const db = reactive({
 			this.metadata.reporting_commodity = metadataObject.reporting_commodity;
 			this.metadata.dps = parseInt(metadataObject.amount_dps);
 		}
+		
+		// TODO: Validate database version
 	},
 	
 	load: async function(): Promise<ExtendedDatabase> {
@@ -67,6 +71,39 @@ export const db = reactive({
 	},
 });
 
+export async function createNewDatabase(filename: string, eofy_date: string, reporting_commodity: string, dps: number) {
+	// Open new SQLite database
+	const session = new ExtendedDatabase(await Database.load('sqlite:' + filename));
+	
+	// Read SQL schema
+	const schemaPath = await resolveResource('schema.sql');
+	const schemaSql = await readTextFile(schemaPath);
+	
+	// Execute SQL
+	const transaction = await session.begin();
+	await transaction.execute(schemaSql);
+	
+	// Init metadata
+	await transaction.execute(
+		`INSERT INTO metadata (key, value) VALUES (?, ?)`,
+		['version', DB_VERSION.toString()]  // Manually call .toString() to format as int, otherwise sqlx formats as float
+	);
+	await transaction.execute(
+		`INSERT INTO metadata (key, value) VALUES (?, ?)`,
+		['eofy_date', eofy_date]
+	);
+	await transaction.execute(
+		`INSERT INTO metadata (key, value) VALUES (?, ?)`,
+		['reporting_commodity', reporting_commodity]
+	);
+	await transaction.execute(
+		`INSERT INTO metadata (key, value) VALUES (?, ?)`,
+		['amount_dps', dps.toString()]  // Manually call .toString() to format as int, otherwise sqlx formats as float
+	);
+	
+	await transaction.commit();
+}
+
 export function joinedToTransactions(joinedTransactionPostings: JoinedTransactionPosting[]): Transaction[] {
 	// Group postings into transactions
 	const transactions: Transaction[] = [];
diff --git a/src/main.ts b/src/main.ts
index 8be411a..79c66ce 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -40,6 +40,7 @@ async function initApp() {
 		{ path: '/journal', name: 'journal', component: () => import('./pages/JournalView.vue') },
 		{ path: '/journal/edit/:id', name: 'journal-edit-transaction', component: () => import('./pages/EditTransactionView.vue') },
 		{ path: '/journal/new', name: 'journal-new-transaction', component: () => import('./pages/NewTransactionView.vue') },
+		{ path: '/new-file', name: 'new-file', component: () => import('./pages/NewFileView.vue') },
 		{ path: '/statement-lines', name: 'statement-lines', component: () => import('./pages/StatementLinesView.vue') },
 		{ path: '/statement-lines/import', name: 'import-statement', component: () => import('./pages/ImportStatementView.vue') },
 		{ path: '/transactions/:account', name: 'transactions', component: () => import('./pages/TransactionsView.vue') },
diff --git a/src/pages/NewFileView.vue b/src/pages/NewFileView.vue
new file mode 100644
index 0000000..469e9ed
--- /dev/null
+++ b/src/pages/NewFileView.vue
@@ -0,0 +1,80 @@
+<!--
+	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/>.
+-->
+
+<template>
+	<h1 class="page-heading mb-4">
+		New file
+	</h1>
+	
+	<div class="grid grid-cols-[max-content_1fr] space-y-2 mb-4 items-baseline">
+		<label for="eofy_date" class="block text-gray-900 pr-4">End of financial year</label>
+		<div>
+			<input type="date" class="bordered-field" id="eofy_date" v-model="eofy_date">
+		</div>
+		<label for="reporting_commodity" class="block text-gray-900 pr-4">Reporting currency</label>
+		<div>
+			<input type="text" class="bordered-field text-gray-500" id="reporting_commodity" v-model="reporting_commodity" disabled>
+		</div>
+		<label for="amount_dps" class="block text-gray-900 pr-4">Decimal places</label>
+		<div>
+			<input type="number" class="bordered-field text-gray-500" id="amount_dps" v-model="amount_dps" disabled>
+		</div>
+	</div>
+	
+	<div class="flex justify-end mt-4 space-x-2">
+		<button class="btn-primary" @click="createNewFile">OK</button>
+	</div>
+</template>
+
+<script setup type="ts">
+	import dayjs from 'dayjs';
+	import { save } from '@tauri-apps/plugin-dialog';
+	import { ref } from 'vue';
+	import { useRouter } from 'vue-router';
+	
+	import { createNewDatabase, db } from '../db.ts';
+	
+	// Get initial EOFY date
+	let eofy_dayjs = dayjs().set('month', 5).set('date', 30);
+	if (eofy_dayjs.isBefore(dayjs())) {
+		eofy_dayjs.set('year', eofy_dayjs.year() + 1);
+	}
+	
+	const eofy_date = ref(eofy_dayjs.format('YYYY-MM-DD'));
+	const reporting_commodity = ref('$');
+	const amount_dps = ref(2);
+	
+	const router = useRouter();
+	
+	async function createNewFile() {
+		const file = await save({
+			filters: [
+				{ name: 'DrCr database (SQLite)', extensions: ['db'] }
+			],
+		});
+		
+		if (file !== null) {
+			// Create new database
+			await createNewDatabase(file, dayjs(eofy_date.value).format('YYYY-MM-DD'), reporting_commodity.value, amount_dps.value);
+			
+			// Load the database
+			await db.init(file);
+			router.push({ name: 'index' });
+		}
+	}
+</script>
diff --git a/src/pages/NoFileView.vue b/src/pages/NoFileView.vue
index 6589b5c..3a98df4 100644
--- a/src/pages/NoFileView.vue
+++ b/src/pages/NoFileView.vue
@@ -1,6 +1,6 @@
 <!--
 	DrCr: Web-based double-entry bookkeeping framework
-	Copyright (C) 2022–2024  Lee Yingtong Li (RunasSudo)
+	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
@@ -19,7 +19,7 @@
 <template>
 	<p class="text-gray-900 mb-4">Welcome to DrCr. No file is currently open.</p>
 	<ul class="list-disc ml-6">
-		<!--<li><a href="#" class="text-gray-900 hover:text-blue-700 hover:underline">New file</a></li>-->
+		<li><RouterLink :to="{name: 'new-file'}" class="text-gray-900 hover:text-blue-700 hover:underline">New file</RouterLink></li>
 		<li><a href="#" @click="openFile" class="text-gray-900 hover:text-blue-700 hover:underline">Open file</a></li>
 	</ul>
 </template>
@@ -33,6 +33,9 @@
 		const file = await open({
 			multiple: false,
 			directory: false,
+			filters: [
+				{ name: 'DrCr database (SQLite)', extensions: ['db'] }
+			],
 		});
 		
 		if (file !== null) {