[GNUnet-SVN] [taler-survey] branch master updated: mobile tipping

[gnunet]

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dold pushed a commit to branch master
in repository survey.

The following commit(s) were added to refs/heads/master by this push:
     new 095aa94  mobile tipping
095aa94 is described below

commit 095aa94e9adfaf1c60260839782c741b40b10e8f
Author: Florian Dold <address@hidden>
AuthorDate: Fri Aug 30 14:13:23 2019 +0200

    mobile tipping
---
 talersurvey/survey/survey.py | 22 ++++++++++++++++++----
 1 file changed, 18 insertions(+), 4 deletions(-)

diff --git a/talersurvey/survey/survey.py b/talersurvey/survey/survey.py
index 1c6b8aa..e64de96 100644
--- a/talersurvey/survey/survey.py
+++ b/talersurvey/survey/survey.py
@@ -199,6 +199,12 @@ def survey_stats():
     return flask.render_template("templates/survey_stats.html", stats=stats)
 
 
+def get_qrcode_svg(data):
+    factory = qrcode.image.svg.SvgImage
+    img = qrcode.make(data, image_factory=factory)
+    return lxml.etree.tostring(img.get_image()).decode("utf-8")    
+
+
 ##
 # Tell the backend to 'authorize' a tip; this means that
 # the backend will allocate a certain amount to be later
@@ -215,10 +221,18 @@ def submit_survey():
         instance="default",
         justification="Payment methods survey"
     )
-    resp = backend_post("tip-authorize", tip_spec)
-
-    if resp.get("tip_redirect_url"):
-        return flask.redirect(resp["tip_redirect_url"])
+    backend_resp = backend_post("tip-authorize", tip_spec)
+
+    taler_tip_uri = backend_resp.get("taler_tip_uri")
+    if taler_tip_uri:
+        qrcode_svg = get_qrcode_svg(taler_tip_uri)
+        content = flask.render_tempate(
+            "templates/show_tip.html",
+            qrcode_svg=qrcode_svg,
+            taler_tip_uri=taler_tip_uri,
+        )
+        headers = {"Taler", taler_tip_uri}
+        return flask.Response(content, status=402, headers)
 
     err_abort(
         500, message="Tipping failed, unexpected backend response", json=resp

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