Split interface and results language config (#89)

Adding support to choose separately the language of search and the one for the interface (allowing a default givent by google).

Co-authored-by: Joao <ramos.joao@protonmail.com>

app/models/config.py

@@ -2,6 +2,7 @@ class Config:
     # Derived from here:
     # https://sites.google.com/site/tomihasa/google-language-codes#searchlanguage
     LANGUAGES = [
+        {'name': 'Default (use server location)', 'value': ''},
         {'name': 'English', 'value': 'lang_en'},
         {'name': 'Afrikaans', 'value': 'lang_af'},
         {'name': 'Arabic', 'value': 'lang_ar'},
@@ -298,7 +299,8 @@ class Config:
 
     def __init__(self, **kwargs):
         self.url = ''
-        self.lang = 'lang_en'
+        self.lang_search = ''
+        self.lang_interface = ''
         self.ctry = ''
         self.safe = False
         self.dark = False

app/request.py

@@ -66,10 +66,10 @@ def gen_query(query, args, config, near_city=None):
         param_dict['source'] = '&source=' + args.get('source')
         param_dict['lr'] = ('&lr=' + ''.join([_ for _ in sub_lang if not _.isdigit()])) if sub_lang else ''
     else:
-        param_dict['lr'] = '&lr=' + config.lang
+        param_dict['lr'] = ('&lr=' + config.lang_search) if config.lang_search else ''
 
     param_dict['cr'] = ('&cr=' + config.ctry) if config.ctry else ''
-    param_dict['hl'] = '&hl=' + config.lang.replace('lang_', '')
+    param_dict['hl'] = ('&hl=' + config.lang_interface.replace('lang_', '')) if config.lang_interface else ''
     param_dict['safe'] = '&safe=' + ('active' if config.safe else 'off')
 
     for val in param_dict.values():

app/routes.py

@@ -65,7 +65,7 @@ def before_request_func():
     if not g.user_config.url:
         g.user_config.url = request.url_root.replace('http://', 'https://') if https_only else request.url_root
 
-    g.user_request = Request(request.headers.get('User-Agent'), language=g.user_config.lang)
+    g.user_request = Request(request.headers.get('User-Agent'), language=g.user_config.lang_search)
     g.app_location = g.user_config.url
 
 

app/templates/index.html

@@ -55,11 +55,24 @@
                             </select>
                         </div>
                         <div class="config-div">
-                            <label for="config-lang">Language: </label>
-                            <select name="lang" id="config-lang">
+                            <label for="config-lang-interface">Interface Language: </label>
+                            <select name="lang_interface" id="config-lang-interface">
                                 {% for lang in languages %}
                                 <option value="{{ lang.value }}"
-                                    {% if lang.value in config.lang %}
+                                    {% if lang.value in config.lang_interface %}
+                                        selected
+                                    {% endif %}>
+                                    {{ lang.name }}
+                                </option>
+                                {% endfor %}
+                            </select>
+                        </div>
+                        <div class="config-div">
+                            <label for="config-lang-search">Search Language: </label>
+                            <select name="lang_search" id="config-lang-search">
+                                {% for lang in languages %}
+                                <option value="{{ lang.value }}"
+                                    {% if lang.value in config.lang_search %}
                                         selected
                                     {% endif %}>
                                     {{ lang.name }}

test/test_routes.py

@@ -6,7 +6,8 @@ demo_config = {
     'near': random.choice(['Seattle', 'New York', 'San Francisco']),
     'dark_mode': str(random.getrandbits(1)),
     'nojs': str(random.getrandbits(1)),
-    'lang': random.choice(Config.LANGUAGES)['value'],
+    'lang_interface': random.choice(Config.LANGUAGES)['value'],
+    'lang_search': random.choice(Config.LANGUAGES)['value'],
     'ctry': random.choice(Config.COUNTRIES)['value']
 }