Implement Xero export for reimbursements

sstreasury/jinja2/sstreasury/claim_processing.html

@@ -24,8 +24,9 @@
 	<h1>Claims processing</h1>
 	
 	<form class="ui form" method="POST">
-		<button class="ui small primary labeled icon button" type="submit" name="action" value="Export"><i class="download icon"></i>Export selected claims to ABA</button>
-		<button class="ui small basic primary labeled icon button" type="submit" name="action" value="Pay"><i class="check icon"></i>Mark selected claims as paid</button>
+		<button class="ui small primary labeled icon button" type="submit" name="action" value="Export"><i class="download icon"></i>Export selected to ABA</button>
+		<button class="ui small basic primary labeled icon button" type="submit" name="action" value="ExportXero"><i class="download icon"></i>Export selected for Xero</button>
+		<button class="ui small basic primary labeled icon button" type="submit" name="action" value="Pay"><i class="check icon"></i>Mark selected as paid</button>
 		
 		<table class="ui celled table">
 			<thead>

sstreasury/views.py

@@ -29,6 +29,7 @@ from django.views import generic
 
 from . import aba
 from . import models
+from . import xero
 from ssmain.email import Emailer
 
 import functools
@@ -600,6 +601,20 @@ def claim_processing(request):
 			response['Content-Disposition'] = 'attachment; filename="claims.aba"'
 			return response
 		
+		if request.POST['action'] == 'ExportXero':
+			claims = models.ReimbursementClaim.objects.filter(state=models.ClaimState.APPROVED.value).all()
+			claims = [c for c in claims if request.POST.get('claim_{}'.format(c.id), False)]
+			
+			csv_file = io.StringIO()
+			csv_writer = xero.new_writer(csv_file)
+			
+			for claim in claims:
+				xero.write_claim(csv_writer, claim)
+			
+			response = HttpResponse(csv_file.getvalue(), content_type='text/csv')
+			response['Content-Disposition'] = 'attachment; filename="claims.csv"'
+			return response
+		
 		if request.POST['action'] == 'Pay':
 			claims = models.ReimbursementClaim.objects.filter(state=models.ClaimState.APPROVED.value).all()
 			claims = [c for c in claims if request.POST.get('claim_{}'.format(c.id), False)]

sstreasury/xero.py

@@ -0,0 +1,41 @@
+#    Society Self-Service
+#    Copyright © 2018–2020  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/>.
+
+from django.utils import timezone
+
+import csv
+
+def new_writer(f):
+	writer = csv.DictWriter(f, ['*ContactName', 'EmailAddress', 'POAddressLine1', 'POAddressLine2', 'POAddressLine3', 'POAddressLine4', 'POCity', 'PORegion', 'POPostalCode', 'POCountry', '*InvoiceNumber', '*InvoiceDate', '*DueDate', 'InventoryItemCode', 'Description', '*Quantity', '*UnitAmount', '*AccountCode', '*TaxType', 'TrackingName1', 'TrackingOption1', 'TrackingName2', 'TrackingOption2', 'Currency'])
+	writer.writeheader()
+	return writer
+
+def write_row(writer, d):
+	writer.writerow(d)
+
+def write_claim(writer, claim):
+	for item in claim.items:
+		write_row(writer, {
+			'*ContactName': claim.payee_name,
+			'*InvoiceNumber': 'RE-{}'.format(claim.id),
+			'*InvoiceDate': timezone.now().strftime('%d/%m/%Y'),
+			'*DueDate': timezone.now().strftime('%d/%m/%Y'),
+			'Description': item['Description'],
+			'*Quantity': str(item['Units']),
+			'*UnitAmount': str(item['Unit price']),
+			'*AccountCode': '850', # Suspense
+			'*TaxType': 'GST Free Expenses' if item['GST-free'] else 'GST on Expenses',
+		})