Add endpoint to create pdf letter

app/service/rest.py

@@ -104,7 +104,7 @@ from app.service.service_senders_schema import (
 )
 from app.service.utils import get_whitelist_objects
 from app.service.sender import send_notification_to_service_users
-from app.service.send_notification import send_one_off_notification
+from app.service.send_notification import send_one_off_notification, send_pdf_letter_notification
 from app.schemas import (
     service_schema,
     api_key_schema,
@@ -648,6 +648,12 @@ def create_one_off_notification(service_id):
     return jsonify(resp), 201
 
 
+@service_blueprint.route('/<uuid:service_id>/send-pdf-letter', methods=['POST'])
+def create_pdf_letter(service_id):
+    resp = send_pdf_letter_notification(service_id, request.get_json())
+    return jsonify(resp), 201
+
+
 @service_blueprint.route('/<uuid:service_id>/email-reply-to', methods=["GET"])
 def get_email_reply_to_addresses(service_id):
     result = dao_get_reply_to_by_service_id(service_id)

tests/app/service/test_rest.py

@@ -2273,6 +2273,29 @@ def test_send_one_off_notification(sample_service, admin_request, mocker):
     assert response['id'] == str(noti.id)
 
 
+def test_create_pdf_letter(mocker, sample_service_full_permissions, client, fake_uuid, notify_user):
+    mocker.patch('app.service.send_notification.utils_s3download')
+    mocker.patch('app.service.send_notification.get_page_count', return_value=1)
+    mocker.patch('app.service.send_notification.move_uploaded_pdf_to_letters_bucket')
+
+    user = sample_service_full_permissions.users[0]
+    data = json.dumps({
+        'filename': 'valid.pdf',
+        'created_by': str(user.id),
+        'file_id': fake_uuid
+    })
+
+    response = client.post(
+        url_for('service.create_pdf_letter', service_id=sample_service_full_permissions.id),
+        data=data,
+        headers=[('Content-Type', 'application/json'), create_authorization_header()]
+    )
+    json_resp = json.loads(response.get_data(as_text=True))
+
+    assert response.status_code == 201
+    assert json_resp == {'id': fake_uuid}
+
+
 def test_get_notification_for_service_includes_template_redacted(admin_request, sample_notification):
     resp = admin_request.get(
         'service.get_notification_for_service',