[taler-bank] 02/02: implement language switch

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ms pushed a commit to branch master
in repository bank.

commit 7d64c07a7a5939ace427c1d503268056f6c861be
Author: MS <ms@taler.net>
AuthorDate: Wed Feb 3 11:17:22 2021 +0100

    implement language switch
---
 talerbank/app/templates/base.html | 20 ++++++++++++++++++++
 talerbank/jinja2.py               |  9 +++++++++
 2 files changed, 29 insertions(+)

diff --git a/talerbank/app/templates/base.html 
b/talerbank/app/templates/base.html
index 249986e..148097a 100644
--- a/talerbank/app/templates/base.html
+++ b/talerbank/app/templates/base.html
@@ -82,6 +82,26 @@
       <a href="{{ env('TALER_ENV_URL_MERCHANT_BLOG', '#') }}">{{ _("Essay 
Shop") }}</a>
       <a href="{{ env('TALER_ENV_URL_MERCHANT_DONATIONS', '#') }}">{{ 
_("Donations") }}</a>
       <a href="{{ env('TALER_ENV_URL_MERCHANT_SURVEY', '#') }}">{{ 
_("Tipping/Survey") }}</a>
+      <span class="right">
+        {% set lang = get_locale(request.path) %}
+        {{ {"en": _("English [en]"), "es": _("Spanish [es]"), "de": _("German 
[de]"), "sv": _("Swedish [sv]")}[lang] | default("en") }}
+        <div class="nav">
+        <br>
+          {% if lang != 'en' %}
+            <a href="/en/" class="navbtn">English [en]</a><br>
+          {% endif %}
+          {% if lang != 'de' %}
+            <a href="/de/" class="navbtn">Deutsch [de]</a><br>
+          {% endif %}
+          {% if lang != 'es' %}
+            <a href="/es/" class="navbtn">Español [es]</a><br>
+          {% endif %}
+         {% if lang != 'sv' %}
+            <a href="/sv/" class="navbtn">Svenska [sv]</a><br>
+         {% endif %}
+      
+        </div>
+      </span>
     </nav>
   </div>
   <section id="main" class="content">
diff --git a/talerbank/jinja2.py b/talerbank/jinja2.py
index 9b8d59b..b26b984 100644
--- a/talerbank/jinja2.py
+++ b/talerbank/jinja2.py
@@ -128,6 +128,13 @@ def tojson(x):
 def amount_stringify(amount):
     return amount.stringify(settings.TALER_DIGITS, pretty=True)
 
+def get_locale(url):
+    parts = url.split('/', 2)
+    if (2 >= len(parts)):
+        # Totally unexpected path format, do not localize
+        return "en"
+    lang = parts[1]
+    return lang
 
 def environment(**options):
     env = Environment(**options)
@@ -141,6 +148,8 @@ def environment(**options):
             "amount_stringify": amount_stringify,
             "tojson": tojson,
             "_": gettext,
+            "get_locale": get_locale
+
         }
     )
     return env

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