From c5f018e734def3ee274f64cd8bbe2f8974810ffb Mon Sep 17 00:00:00 2001
From: Bryan Newbold <bnewbold@archive.org>
Date: Fri, 3 Apr 2020 18:28:24 -0700
Subject: wrangle lang_code / error templates a bit more

Still not perfect: a 404 is always in 'en' and all links are then not in
the local lang.
---
 fatcat_covid19/templates/base.html |  2 +-
 fatcat_covid19/webface.py          | 21 ++++++++++++++-------
 2 files changed, 15 insertions(+), 8 deletions(-)

(limited to 'fatcat_covid19')

diff --git a/fatcat_covid19/templates/base.html b/fatcat_covid19/templates/base.html
index 37c5cab..5d57a89 100644
--- a/fatcat_covid19/templates/base.html
+++ b/fatcat_covid19/templates/base.html
@@ -50,7 +50,7 @@
       <i class="dropdown icon" style="margin-left: 0.2em;"></i>
         <div class="menu">
           {% for lang_code, lang_name in config.SUPPORTED_LANGUAGES.items() %}
-            <a class="item" href="{{ url_for(request.endpoint, lang_code=lang_code) }}">{{ lang_name }}</a>
+            <a class="item" href="{{ url_for(request.endpoint or "search.page_home", lang_code=lang_code) }}">{{ lang_name }}</a>
           {% endfor %}
         </div>
       </div>
diff --git a/fatcat_covid19/webface.py b/fatcat_covid19/webface.py
index d645cb5..7c02301 100644
--- a/fatcat_covid19/webface.py
+++ b/fatcat_covid19/webface.py
@@ -56,8 +56,11 @@ bp = Blueprint('search', __name__)
 
 @bp.url_defaults
 def add_language_code(endpoint, values):
-    if g.lang_code_set:
+    if hasattr(g, "lang_code_set") and g.lang_code_set:
         values.setdefault('lang_code', g.lang_code)
+    else:
+        values.setdefault('lang_code', 'en')
+        g.lang_code = 'en'
 
 @bp.url_value_preprocessor
 def pull_lang_code(endpoint, values):
@@ -66,6 +69,10 @@ def pull_lang_code(endpoint, values):
     if g.lang_code not in app.config['SUPPORTED_LANGUAGES']:
         abort(404)
 
+@babel.localeselector
+def get_locale():
+    return g.lang_code
+
 @bp.route('/', methods=['GET'])
 def page_home():
     return render_template('home.html')
@@ -93,18 +100,18 @@ def page_sources():
     return render_template('sources_{}.html'.format(g.lang_code))
 
 
-@bp.errorhandler(404)
+@bp.app_errorhandler(404)
 def page_not_found(e):
     return render_template('404.html'), 404
 
-@bp.errorhandler(400)
+@bp.app_errorhandler(400)
 def page_bad_request(e):
     return render_template('400.html'), 400
 
-@bp.errorhandler(502)
-@bp.errorhandler(503)
-@bp.errorhandler(504)
-@bp.errorhandler(500)
+@bp.app_errorhandler(502)
+@bp.app_errorhandler(503)
+@bp.app_errorhandler(504)
+@bp.app_errorhandler(500)
 def page_server_error(e):
     return render_template('500.html'), 500
 
-- 
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