From 1ae0306a3cf2ea27f60b2d205789994d260c2cce Mon Sep 17 00:00:00 2001
From: Christian Grothoff <christian@grothoff.org>
Date: Sun, 11 Oct 2020 13:29:45 +0200
Subject: add i18n FSFS

---
 talermerchantdemos/httpcommon/__init__.py | 49 +++++++++++++++++++++++++++++++
 1 file changed, 49 insertions(+)

(limited to 'talermerchantdemos/httpcommon')

diff --git a/talermerchantdemos/httpcommon/__init__.py b/talermerchantdemos/httpcommon/__init__.py
index 1036f33..d07fe69 100644
--- a/talermerchantdemos/httpcommon/__init__.py
+++ b/talermerchantdemos/httpcommon/__init__.py
@@ -1,6 +1,10 @@
 import flask
 import requests
 from urllib.parse import urljoin
+from flask import request
+from datetime import datetime
+import time
+
 
 ##
 # Return a error response to the client.
@@ -79,5 +83,50 @@ def backend_get(backend_url, endpoint, params):
     print("Backend responds to {}: {}".format(final_url, str(response_json)))
     return response_json
 
+##
+# Helper function used inside Jinja2 logic to create a links
+# to the current page but in a different language. Used to
+# implement the "Language" menu.
+#
+def self_localized(lang):
+    """
+    Return URL for the current page in another locale.
+    """
+    path = request.path
+    # path must have the form "/$LANG/$STUFF"
+    parts = path.split('/', 2)
+    if (2 >= len(parts)):
+        # Totally unexpected path format, do not localize
+        return path
+    return "/" + lang + "/" + parts[2]
+
+
+##
+# Return a error response to the client.
+#
+# @param abort_status_code status code to return along the response.
+# @param params _kw_ arguments to passed verbatim to the templating engine.
+def err_abort(abort_status_code, **params):
+    t = flask.render_template("templates/error.html.j2", **params)
+    flask.abort(flask.make_response(t, abort_status_code))
+
+
+
 def fallback_404(error):
     return "Page not found"
+
+
+
+class Deadline:
+    def __init__(self, value):
+        self.value = value
+    def isExpired(self):
+        if self.value == "never":
+            return False
+        now = int(round(time.time()) * 1000)
+        now_dt = datetime.fromtimestamp(now / 1000)
+        deadline_dt = datetime.fromtimestamp(self.value / 1000)
+        print("debug: checking refund expiration, now: {}, deadline: {}".format(
+            now_dt.strftime("%c"), deadline_dt.strftime("%c")
+        ))
+        return now > self.value
-- 
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