Implement basic chart of accounts editing

drcr/models.py

@@ -185,3 +185,12 @@ class TrialBalancer:
 		# FIXME: Handle commodities
 		self.accounts[destination_account].quantity += self.accounts[source_account].quantity
 		del self.accounts[source_account]
+
+class AccountConfiguration(db.Model):
+	__tablename__ = 'account_configurations'
+	
+	id = db.Column(db.Integer, primary_key=True)
+	
+	account = db.Column(db.String)
+	kind = db.Column(db.String)
+	data = db.Column(db.JSON)

drcr/templates/chart_of_accounts.html

@@ -0,0 +1,67 @@
+{#  DrCr: Web-based double-entry bookkeeping framework
+    Copyright (C) 2022–2023  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/>.
+#}
+
+{% extends 'base.html' %}
+{% block title %}Chart of accounts{% endblock %}
+
+{% block content %}
+	<h1 class="h2 my-4">Chart of accounts</h1>
+	
+	<form method="POST">
+		<div class="d-flex mb-2">
+			<div class="me-2">
+				<select class="form-select" name="kind">
+					<option value="drcr.asset">Asset</option>
+					<option value="drcr.liability">Liability</option>
+					<option value="drcr.income">Income</option>
+					<option value="drcr.expense">Expense</option>
+					<option value="drcr.equity">Equity</option>
+				</select>
+			</div>
+			<div>
+				<button type="submit" class="btn btn-primary" formaction="/chart-of-accounts/add-kind">Add kind</button>
+			</div>
+		</div>
+		
+		<table class="table">
+			<thead>
+				<tr>
+					<th></th>
+					<th>Account</th>
+					<th>Associated types</th>
+				</tr>
+			</thead>
+			<tbody>
+				{% for account in accounts %}
+					<tr>
+						<td><input type="checkbox" name="sel-account" value="{{ account }}"></td>
+						<td>{{ account }}</td>
+						<td>
+							{% if account in account_configurations %}
+								<ul class="mb-0">
+									{% for account_configuration in account_configurations[account] %}
+										<li>{{ account_configuration.kind }}</li>
+									{% endfor %}
+								</ul>
+							{% endif %}
+						</td>
+					</tr>
+				{% endfor %}
+			</tbody>
+		</table>
+	</form>
+{% endblock %}

drcr/templates/index.html

@@ -24,6 +24,7 @@
 		<li><a href="/journal">Journal</a></li>
 		<li><a href="/statement-lines">Statement lines</a></li>
 		<li><a href="/balance-assertions">Balance assertions</a></li>
+		<li><a href="/chart-of-accounts">Chart of accounts</a></li>
 	</ul>
 	
 	<h1 class="h2 my-4">General reports</h1>

drcr/views.py

@@ -1,5 +1,5 @@
 #   DrCr: Web-based double-entry bookkeeping framework
-#   Copyright (C) 2022  Lee Yingtong Li (RunasSudo)
+#   Copyright (C) 2022–2023  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
@@ -14,15 +14,39 @@
 #   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/>.
 
-from flask import render_template, request
+from flask import redirect, render_template, request
 
-from .models import Amount, Balance, TrialBalancer
+from .database import db
+from .models import AccountConfiguration, Amount, Balance, Posting, TrialBalancer
 from .webapp import all_transactions, app
 
+from itertools import groupby
+
 @app.route('/')
 def index():
 	return render_template('index.html')
 
+@app.route('/chart-of-accounts')
+def chart_of_accounts():
+	accounts = sorted(db.session.execute(db.select(Posting.account)).unique().scalars().all())
+	
+	# Get existing AccountConfiguration's
+	account_configurations = db.session.execute(db.select(AccountConfiguration).order_by(AccountConfiguration.account)).scalars()
+	account_configurations = {v: list(g) for v, g in groupby(account_configurations, lambda c: c.account)}
+	
+	# TODO: Handle orphans
+	return render_template('chart_of_accounts.html', accounts=accounts, account_configurations=account_configurations)
+
+@app.route('/chart-of-accounts/add-kind', methods=['POST'])
+def account_add_kind():
+	for account in request.form.getlist('sel-account'):
+		account_configuration = AccountConfiguration(account=account, kind=request.form['kind'])
+		db.session.add(account_configuration)
+	
+	db.session.commit()
+	
+	return redirect('/chart-of-accounts')
+
 @app.route('/general-ledger')
 def general_ledger():
 	return render_template(