Implement transaction detail page

ledger_pyreport/__init__.py

@@ -197,6 +197,25 @@ def transactions_commodity():
 	
 	return flask.render_template('transactions_commodity.html', date=date, pstart=pstart, period=describe_period(date, pstart), account=account, ledger=l, transactions=transactions, opening_balance=opening_balance, closing_balance=closing_balance, report_currency=report_currency, cash=cash, timedelta=timedelta, matching_posting=matching_posting)
 
+@app.route('/transaction')
+def transaction():
+	tid = flask.request.args['tid']
+	cash = flask.request.args.get('cash', False)
+	
+	report_currency = Currency(*config['report_currency'])
+	
+	# General ledger
+	l = ledger.raw_transactions_at_date(None)
+	if cash:
+		l = accounting.ledger_to_cash(l, report_currency)
+	
+	transaction = next((t for t in l.transactions if str(t.id) == tid))
+	
+	total_dr = sum((p.amount for p in transaction.postings if p.amount > 0), Balance()).exchange(report_currency, True)
+	total_cr = sum((p.amount for p in transaction.postings if p.amount < 0), Balance()).exchange(report_currency, True)
+	
+	return flask.render_template('transaction.html', ledger=l, transaction=transaction, total_dr=total_dr, total_cr=total_cr, report_currency=report_currency, cash=cash)
+
 # Template filters
 
 @app.template_filter('a')

ledger_pyreport/jinja2/transaction.html

@@ -0,0 +1,66 @@
+{#
+    ledger-pyreport
+    Copyright © 2020  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_report.html' %}
+
+{% block title %}{{ transaction.description }}{% endblock %}
+
+{% block report %}
+	<h1 style="margin-bottom: 1em;">Transaction</h1>
+	
+	<table class="ledger" style="margin-bottom: 1em;">
+		<tr>
+			<th style="width: 5em;">Date</th>
+			<th style="width: 5em;">Code</th>
+			<th>Description</th>
+		</tr>
+		<tr>
+			<td>{{ transaction.date.strftime('%Y-%m-%d') }}</td>
+			<td>{{ transaction.code }}</td>
+			<td>{{ transaction.description }}</td>
+		</tr>
+	</table>
+	
+	<table class="ledger">
+		<tr>
+			{#<th style="width: 5em;">Date</th>#}
+			<th>Description</th>
+			<th style="max-width: 8em;">Account</th>
+			<th class="h1" style="text-align: right; width: 5em;">Dr</th>
+			<th class="h1" style="text-align: right; width: 5em;">Cr</th>
+		</tr>
+		
+		{% for posting in transaction.postings %}
+			{% set amount = posting.exchange(report_currency, transaction.date) %}
+			{% set trn_url = '/transaction?' + {'tid': transaction.id, 'cash': 'on' if cash else ''}|urlencode %}
+			<tr>
+				<td>{{ posting.comment }}</td>
+				<td>{{ (posting.account.name|e).__str__().replace(':', ':<wbr>')|safe }}</td>
+				<td style="text-align: right;">{% if amount > 0 %}<span title="{{ posting.amount.tostr(False) }}">{{ amount|b }}</span>{% endif %}</td>
+				<td style="text-align: right;">{% if amount < 0 %}<span title="{{ (-posting.amount).tostr(False) }}">{{ -amount|b }}</span>{% endif %}</td>
+			</tr>
+		{% endfor %}
+		
+		<tr class="total">
+			<td>Total</td>
+			<td></td>
+			<td style="text-align: right;">{{ total_dr|b }}</td>
+			<td style="text-align: right;">{{ -total_cr|b }}</td>
+		</tr>
+	</table>
+{% endblock %}

ledger_pyreport/jinja2/transactions.html

@@ -38,7 +38,7 @@
 		<tr>
 			<th style="width: 5em;">Date</th>
 			<th>Description</th>
-			<th style="max-width: 8em;">Account</th>
+			<th style="max-width: 8em;">{% if account %}Related {% endif %}Account</th>
 			<th class="h1" style="text-align: right; width: 5em;">Dr</th>
 			<th class="h1" style="text-align: right; width: 5em;">Cr</th>
 			{% if account %}<th class="h1" style="text-align: right; width: 6em;">Balance</th>{% endif %}
@@ -69,9 +69,10 @@
 		{% for transaction in transactions %}
 			{% for posting in transaction.postings if posting.account != account %}
 				{% set amount = posting.exchange(report_currency, transaction.date) %}
+				{% set trn_url = '/transaction?' + {'tid': transaction.id, 'cash': 'on' if cash else ''}|urlencode %}
 				<tr>
-					<td>{% if loop.first %}{{ transaction.date.strftime('%Y-%m-%d') }}{% endif %}</td>
-					<td>{% if loop.first %}{{ transaction.description }}{% endif %}</td>
+					<td>{% if loop.first %}{% if transaction.id %}<a href="{{ trn_url }}">{% endif %}{{ transaction.date.strftime('%Y-%m-%d') }}{% if transaction.id %}</a>{% endif %}{% endif %}</td>
+					<td>{% if loop.first %}{% if transaction.id %}<a href="{{ trn_url }}">{% endif %}{{ transaction.description }}{% if transaction.id %}</a>{% endif %}{% endif %}</td>
 					<td><a href="/transactions?{{ {'date': date.strftime('%Y-%m-%d'), 'pstart': pstart.strftime('%Y-%m-%d'), 'account': posting.account.name, 'cash': 'on' if cash else ''}|urlencode }}">{{ (posting.account.name|e).__str__().replace(':', ':<wbr>')|safe }}</a></td>
 					{% if account %}
 						{# Reverse Dr/Cr so it's from the "perspective" of this account #}

ledger_pyreport/jinja2/transactions_commodity.html

@@ -54,14 +54,15 @@
 		{% set ns.balance = opening_balance %}
 		
 		{% for transaction in transactions %}
+			{% set trn_url = '/transaction?' + {'tid': transaction.id, 'cash': 'on' if cash else ''}|urlencode %}
 			{% for posting in transaction.postings if posting.account == account %}
 				{% set ns.balance = ns.balance + posting.amount %}
 			{% endfor %}
 			{% for amount in ns.balance.amounts %}
 				{% set posting = matching_posting(transaction, amount) %}
 				<tr{% if loop.first %} style="border-top: 1px solid black;"{% endif %}>
-					<td>{% if loop.first %}{{ transaction.date.strftime('%Y-%m-%d') }}{% endif %}</td>
-					<td>{% if loop.first %}{{ transaction.description }}{% endif %}</td>
+					<td>{% if loop.first %}{% if transaction.id %}<a href="{{ trn_url }}">{% endif %}{{ transaction.date.strftime('%Y-%m-%d') }}{% if transaction.id %}</a>{% endif %}{% endif %}</td>
+					<td>{% if loop.first %}{% if transaction.id %}<a href="{{ trn_url }}">{% endif %}{{ transaction.description }}{% if transaction.id %}</a>{% endif %}{% endif %}</td>
 					{% if posting %}
 						<td>{% if posting.amount >= 0 %}Dr{% else %}Cr{% endif %}</td>
 						<td style="text-align: right;"><span title="{{ posting.amount.tostr(False) }}">{{ posting.amount|abs|bc }}</span></td>

ledger_pyreport/ledger.py

@@ -36,6 +36,8 @@ def run_ledger(*args):
 	return stdout
 
 def run_ledger_date(date, *args):
+	if date is None:
+		return run_ledger(*args)
 	return run_ledger('--end', (date + timedelta(days=1)).strftime('%Y-%m-%d'), *args)
 
 # General financial logic
@@ -48,6 +50,8 @@ def financial_year(date):
 
 # Ledger logic
 
+csv.register_dialect('ledger', doublequote=False, escapechar='\\')
+
 def parse_amount(amount):
 	if '{' in amount:
 		amount_str = amount[:amount.index('{')].strip()
@@ -60,7 +64,7 @@ def parse_amount(amount):
 		# Currency follows number
 		bits = amount_str.split()
 		amount_num = Decimal(bits[0])
-		currency = Currency(bits[1], False)
+		currency = Currency(bits[1].strip('"'), False)
 	else:
 		# Currency precedes number
 		currency = Currency(amount_str[0], True)
@@ -76,9 +80,9 @@ def get_pricedb():
 	
 	prices = []
 	
-	reader = csv.reader(output.splitlines())
+	reader = csv.reader(output.splitlines(), dialect='ledger')
 	for date_str, currency, price_str in reader:
-		prices.append((datetime.strptime(date_str, '%Y-%m-%d'), currency, parse_amount(price_str)))
+		prices.append((datetime.strptime(date_str, '%Y-%m-%d'), currency.strip('"'), parse_amount(price_str)))
 	
 	return prices
 
@@ -86,18 +90,21 @@ def raw_transactions_at_date(date):
 	ledger = Ledger(date)
 	ledger.prices = get_pricedb()
 	
-	output = run_ledger_date(date, 'csv', '--csv-format', '%(quoted(parent.id)),%(quoted(format_date(date))),%(quoted(payee)),%(quoted(account)),%(quoted(display_amount))\n')
+	output = run_ledger_date(date, 'csv', '--csv-format', '%(quoted(parent.id)),%(quoted(format_date(date))),%(quoted(parent.code)),%(quoted(payee)),%(quoted(account)),%(quoted(display_amount)),%(quoted(comment))\n')
 	
-	reader = csv.reader(output.splitlines())
-	for trn_id, date_str, payee, account_str, amount_str in reader:
+	reader = csv.reader(output.splitlines(), dialect='ledger')
+	for trn_id, date_str, code, payee, account_str, amount_str, comment in reader:
 		if not ledger.transactions or trn_id != ledger.transactions[-1].id:
-			transaction = Transaction(ledger, trn_id, datetime.strptime(date_str, '%Y-%m-%d'), payee)
+			transaction = Transaction(ledger, trn_id, datetime.strptime(date_str, '%Y-%m-%d'), payee, code=code)
 			ledger.transactions.append(transaction)
 		else:
 			# Transaction ID matches: continuation of previous transaction
 			transaction = ledger.transactions[-1]
 		
-		posting = Posting(transaction, ledger.get_account(account_str), parse_amount(amount_str))
+		if ';' in comment:
+			comment = comment[comment.index(';')+1:].strip()
+		
+		posting = Posting(transaction, ledger.get_account(account_str), parse_amount(amount_str), comment=comment)
 		transaction.postings.append(posting)
 	
 	return ledger

ledger_pyreport/model.py

@@ -52,11 +52,13 @@ class Ledger:
 		return max(prices, key=lambda p: p[0])[2]
 
 class Transaction:
-	def __init__(self, ledger, id, date, description):
+	def __init__(self, ledger, id, date, description, code=None):
 		self.ledger = ledger
 		self.id = id
 		self.date = date
 		self.description = description
+		self.code = code
+		
 		self.postings = []
 	
 	def __repr__(self):
@@ -69,10 +71,11 @@ class Transaction:
 		return '\n'.join(result)
 
 class Posting:
-	def __init__(self, transaction, account, amount):
+	def __init__(self, transaction, account, amount, comment=None):
 		self.transaction = transaction
 		self.account = account
 		self.amount = Amount(amount)
+		self.comment = comment
 	
 	def __repr__(self):
 		return '<Posting "{}" {}>'.format(self.account.name, self.amount.tostr(False))