06/02 Optimize app

app/routes/accounts.py

@@ -157,6 +157,37 @@ def delete(id):
     return redirect(url_for('accounts.index'))
 
 
+@accounts_bp.route('/<int:id>/payments')
+@login_required
+def payments(id):
+    account = db.get_or_404(Account, id)
+    page = request.args.get('page', 1, type=int)
+
+    pagination = Transaction.query.filter(
+        Transaction.transaction_type == 'transfer',
+        Transaction.to_account_id == account.id,
+    ).order_by(Transaction.date.desc(), Transaction.id.desc()).paginate(
+        page=page, per_page=30, error_out=False
+    )
+
+    # Running total paid this month
+    today = date.today()
+    paid_this_month = db.session.query(
+        func.coalesce(func.sum(Transaction.amount), 0)
+    ).filter(
+        Transaction.transaction_type == 'transfer',
+        Transaction.to_account_id == account.id,
+        extract('year',  Transaction.date) == today.year,
+        extract('month', Transaction.date) == today.month,
+    ).scalar()
+
+    return render_template('accounts/payments.html',
+                           account=account,
+                           pagination=pagination,
+                           payments=pagination.items,
+                           paid_this_month=float(paid_this_month))
+
+
 @accounts_bp.route('/<int:id>/adjust', methods=['GET', 'POST'])
 @login_required
 def adjust_balance(id):