Merge pull request #634 from kvch/advanced-search

support time range search

searx/engines/__init__.py

                        'shortcut': '-',
                        'disabled': False,
                        'suspend_end_time': 0,
-                       'continuous_errors': 0}
+                       'continuous_errors': 0,
+                       'time_range_support': False}
 
 
 def load_module(filename):

searx/engines/deviantart.py

 # engine dependent config
 categories = ['images']
 paging = True
+time_range_support = True
 
 # search-url
 base_url = 'https://www.deviantart.com/'
 search_url = base_url + 'browse/all/?offset={offset}&{query}'
+time_range_url = '&order={range}'
+
+time_range_dict = {'day': 11,
+                   'week': 14,
+                   'month': 15}
 
 
 # do search-request
 
     params['url'] = search_url.format(offset=offset,
                                       query=urlencode({'q': query}))
+    if params['time_range']:
+        params['url'] += time_range_url.format(range=time_range_dict[params['time_range']])
 
     return params
 

searx/engines/duckduckgo.py

 categories = ['general']
 paging = True
 language_support = True
+time_range_support = True
 
 # search-url
 url = 'https://duckduckgo.com/html?{query}&s={offset}'
+time_range_url = '&df={range}'
+
+time_range_dict = {'day': 'd',
+                   'week': 'w',
+                   'month': 'm'}
 
 # specific xpath variables
 result_xpath = '//div[@class="result results_links results_links_deep web-result "]'  # noqa
         params['url'] = url.format(
             query=urlencode({'q': query}), offset=offset)
 
+    if params['time_range']:
+        params['url'] += time_range_url.format(range=time_range_dict[params['time_range']])
+
     return params
 
 

searx/engines/google.py

 paging = True
 language_support = True
 use_locale_domain = True
+time_range_support = True
 
 # based on https://en.wikipedia.org/wiki/List_of_Google_domains and tests
 default_hostname = 'www.google.com'
               search_path +
               '?{query}&start={offset}&gws_rd=cr&gbv=1&lr={lang}&ei=x')
 
+time_range_search = "&tbs=qdr:{range}"
+time_range_dict = {'day': 'd',
+                   'week': 'w',
+                   'month': 'm'}
+
 # other URLs
 map_hostname_start = 'maps.google.'
 maps_path = '/maps'
                                       query=urlencode({'q': query}),
                                       hostname=google_hostname,
                                       lang=url_lang)
+    if params['time_range']:
+        params['url'] += time_range_search.format(range=time_range_dict[params['time_range']])
 
     params['headers']['Accept-Language'] = language
     params['headers']['Accept'] = 'text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8'

searx/engines/google_images.py

 categories = ['images']
 paging = True
 safesearch = True
+time_range_support = True
 
 search_url = 'https://www.google.com/search'\
     '?{query}'\
     '&tbm=isch'\
     '&ijn=1'\
     '&start={offset}'
+time_range_search = "&tbs=qdr:{range}"
+time_range_dict = {'day': 'd',
+                   'week': 'w',
+                   'month': 'm'}
 
 
 # do search-request
     params['url'] = search_url.format(query=urlencode({'q': query}),
                                       offset=offset,
                                       safesearch=safesearch)
+    if params['time_range']:
+        params['url'] += time_range_search.format(range=time_range_dict[params['time_range']])
 
     if safesearch and params['safesearch']:
         params['url'] += '&' + urlencode({'safe': 'active'})

searx/engines/yahoo.py

 categories = ['general']
 paging = True
 language_support = True
+time_range_support = True
 
 # search-url
 base_url = 'https://search.yahoo.com/'
 search_url = 'search?{query}&b={offset}&fl=1&vl=lang_{lang}'
+search_url_with_time = 'search?{query}&b={offset}&fl=1&vl=lang_{lang}&age={age}&btf={btf}&fr2=time'
 
 # specific xpath variables
 results_xpath = "//div[contains(concat(' ', normalize-space(@class), ' '), ' Sr ')]"
 content_xpath = './/div[@class="compText aAbs"]'
 suggestion_xpath = "//div[contains(concat(' ', normalize-space(@class), ' '), ' AlsoTry ')]//a"
 
+time_range_dict = {'day': ['1d', 'd'],
+                   'week': ['1w', 'w'],
+                   'month': ['1m', 'm']}
+
 
 # remove yahoo-specific tracking-url
 def parse_url(url_string):
         return unquote(url_string[start:end])
 
 
+def _get_url(query, offset, language, time_range):
+    if time_range:
+        return base_url + search_url_with_time.format(offset=offset,
+                                                      query=urlencode({'p': query}),
+                                                      lang=language,
+                                                      age=time_range_dict[time_range][0],
+                                                      btf=time_range_dict[time_range][1])
+    return base_url + search_url.format(offset=offset,
+                                        query=urlencode({'p': query}),
+                                        lang=language)
+
+
+def _get_language(params):
+    if params['language'] == 'all':
+        return 'en'
+    return params['language'].split('_')[0]
+
+
 # do search-request
 def request(query, params):
     offset = (params['pageno'] - 1) * 10 + 1
+    language = _get_language(params)
 
-    if params['language'] == 'all':
-        language = 'en'
-    else:
-        language = params['language'].split('_')[0]
-
-    params['url'] = base_url + search_url.format(offset=offset,
-                                                 query=urlencode({'p': query}),
-                                                 lang=language)
+    params['url'] = _get_url(query, offset, language, params['time_range'])
 
     # TODO required?
     params['cookies']['sB'] = 'fl=1&vl=lang_{lang}&sh=1&rw=new&v=1'\

searx/search.py

         self.paging = False
         self.pageno = 1
         self.lang = 'all'
+        self.time_range = None
+        self.is_advanced = None
 
         # set blocked engines
         self.disabled_engines = request.preferences.engines.get_disabled()
         if len(query_obj.languages):
             self.lang = query_obj.languages[-1]
 
-        self.engines = query_obj.engines
+        self.time_range = self.request_data.get('time_range')
+        self.is_advanced = self.request_data.get('advanced_search')
 
-        self.categories = []
+        self.engines = query_obj.engines
 
         # if engines are calculated from query,
         # set categories by using that informations
             if self.lang != 'all' and not engine.language_support:
                 continue
 
+            if self.time_range and not engine.time_range_support:
+                continue
+
             # set default request parameters
             request_params = default_request_params()
             request_params['headers']['User-Agent'] = user_agent
 
             # 0 = None, 1 = Moderate, 2 = Strict
             request_params['safesearch'] = request.preferences.get_value('safesearch')
+            request_params['time_range'] = self.time_range
+            request_params['advanced_search'] = self.is_advanced
 
             # update request parameters dependent on
             # search-engine (contained in engines folder)

searx/static/plugins/js/search_on_category_select.js

             $('#categories input[type="checkbox"]').each(function(i, checkbox) {
                 $(checkbox).prop('checked', false);
             });
-            $('#categories label').removeClass('btn-primary').removeClass('active').addClass('btn-default');
-            $(this).removeClass('btn-default').addClass('btn-primary').addClass('active');
-            $($(this).children()[0]).prop('checked', 'checked');
+            $(document.getElementById($(this).attr("for"))).prop('checked', true);
             if($('#q').val()) {
                 $('#search_form').submit();
             }
             return false;
         });
+        $('#time-range > option').click(function(e) {
+            if($('#q').val()) {
+                $('#search_form').submit();
+            }
+        });
     }
 });

searx/static/themes/oscar/less/logicodev/advanced.less

+#advanced-search-container {
+    display:none;
+    text-align:left;
+    margin-bottom:1rem;
+
+    label, .input-group-addon {
+        font-size: 1.2rem;
+        font-weight:normal;
+        background-color: white;
+        border: @mild-gray 1px solid;
+        border-right: none;
+        color: @dark-gray;
+        padding-bottom: 0.4rem;
+        padding-top: 0.4rem;
+        padding-left: 0.5rem;
+        padding-right: 0.5rem;
+    }
+
+    label:last-child, .input-group-addon:last-child {
+        border-right: @mild-gray 1px solid;
+    }
+
+    input[type="radio"] {
+        display: none;
+    }
+
+    input[type="radio"]:checked + label{
+        color: @black;
+        font-weight:bold;
+        border-bottom: @light-green 5px solid;
+    }
+    select {
+        appearance: none;
+        -webkit-appearance: none;
+        -moz-appearance: none;
+        font-size: 1.2rem;
+        font-weight:normal;
+        background-color: white;
+        border: @mild-gray 1px solid;
+        color: @dark-gray;
+        padding-bottom: 0.4rem;
+        padding-top: 0.4rem;
+        padding-left: 1rem;
+        padding-right: 5rem;
+        margin-right: 0.5rem;
+        background: url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAA8AAAAPCAQAAACR313BAAAABGdBTUEAALGPC/xhBQAAACBjSFJN
+AAB6JgAAgIQAAPoAAACA6AAAdTAAAOpgAAA6mAAAF3CculE8AAAAAmJLR0QA/4ePzL8AAAAJcEhZ
+cwAABFkAAARZAVnbJUkAAAAHdElNRQfgBxgLDwB20OFsAAAAbElEQVQY073OsQ3CMAAEwJMYwJGn
+sAehpoXJItltBkmcdZBYgIIiQoLglnz3ui+eP+bk5uneteTMZJa6OJuIqvYzSJoqwqBq8gdmTTW8
+6/dghxAUq4xsVYT9laBYXCw93Aajh7GPEF23t4fkBYevGFTANkPRAAAAJXRFWHRkYXRlOmNyZWF0
+ZQAyMDE2LTA3LTI0VDExOjU1OjU4KzAyOjAwRFqFOQAAACV0RVh0ZGF0ZTptb2RpZnkAMjAxNi0w
+Ny0yNFQxMToxNTowMCswMjowMP7RDgQAAAAZdEVYdFNvZnR3YXJlAHd3dy5pbmtzY2FwZS5vcmeb
+7jwaAAAAAElFTkSuQmCC) 96% no-repeat;
+    }
+}
+
+#check-advanced {
+    display: none;
+}
+
+#check-advanced:checked ~ #advanced-search-container {
+    display:block;
+}
+
+.advanced {
+    margin-top:1rem;
+    text-align:right;
+}

searx/static/themes/oscar/less/logicodev/oscar.less

 
 @import "search.less";
 
+@import "advanced.less";
+
 @import "cursor.less";
 
 @import "code.less";

searx/static/themes/oscar/less/logicodev/search.less

 .search_categories, #categories {
-  margin: 10px 0 4px 0;
   text-transform: capitalize;
-  
-  label{
-    border: none;
-    box-shadow: none;
-    font-size: 13px;
-    padding-bottom: 2px;
-    color: @gray;
-    margin-bottom: 5px;
-
-    &:hover{
-        color: @black;
-        background-color: transparent;
-    }
+  margin-bottom: 0.5rem;
 
-      &:active{
-        box-shadow: none;
-      }
+  label, .input-group-addon {
+    font-size: 1.2rem;
+    font-weight:normal;
+    background-color: white;
+    border: @mild-gray 1px solid;
+    border-right: none;
+    color: @dark-gray;
+    padding-bottom: 0.4rem;
+    padding-top: 0.4rem;
+    padding-left: 0.5rem;
+    padding-right: 0.5rem;
+  }
+  label:last-child, .input-group-addon:last-child {
+      border-right: @mild-gray 1px solid;
   }
 
-  .active, .btn-primary{
+  input[type="checkbox"]:checked + label {
     color: @black;
-    font-weight: 700;
-    border-bottom: 5px solid @light-green;
-    background-color: transparent;
+    font-weight:bold;
+    border-bottom: @light-green 5px solid;
   }
-
-}
-
-#categories{
-    margin: 0;
 }
 
 #main-logo{

searx/static/themes/oscar/less/logicodev/variables.less

 @gray: #A4A4A4;
 @dim-gray: #F6F9FA;
 @dark-gray: #666;
+@middle-gray: #F5F5F5;
+@mild-gray: #DDD;
 @blue: #0088CC; 
 @red: #F35E77;
 @violet: #684898;

searx/static/themes/oscar/less/pointhi/advanced.less

+#advanced-search-container {
+    display:none;
+    text-align:center;
+    margin-bottom:1rem;
+
+    label, .input-group-addon {
+        font-size: 1.3rem;
+        font-weight:normal;
+        background-color: white;
+        border: #DDD 1px solid;
+        border-right: none;
+        color: #333;
+        padding-bottom: 0.8rem;
+        padding-top: 0.8rem;
+        padding-left: 1.2rem;
+        padding-right: 1.2rem;
+    }
+
+    label:last-child, .input-group-addon:last-child {
+        border-right: #DDD 1px solid;
+    }
+    
+    input[type="radio"] {
+        display: none;
+    }
+    
+    input[type="radio"]:checked + label{
+        color: black;
+        font-weight:bold;
+        background-color: #EEE;
+    }
+}
+
+#check-advanced {
+    display: none;
+}
+
+#check-advanced:checked ~ #advanced-search-container {
+    display:block;
+}
+
+.advanced {
+    margin-top:1rem;
+    text-align:right;
+}

searx/static/themes/oscar/less/pointhi/oscar.less

 
 @import "search.less";
 
+@import "advanced.less";
+
 @import "cursor.less";
 
 @import "code.less";

searx/static/themes/oscar/less/pointhi/search.less

-.search_categories {
-  margin:10px 0;
-  text-transform: capitalize;
+.search_categories, #categories {
+    text-transform: capitalize;
+    margin-bottom:1.5rem;
+    margin-top:1.5rem;
+
+    label, .input-group-addon {
+        font-size: 1.3rem;
+        font-weight:normal;
+        background-color: white;
+        border: #DDD 1px solid;
+        border-right: none;
+        color: #333;
+        padding-bottom: 0.8rem;
+        padding-top: 0.8rem;
+        padding-left: 1.2rem;
+        padding-right: 1.2rem;
+    }
+
+    label:last-child, .input-group-addon:last-child {
+        border-right: #DDD 1px solid;
+    }
+
+    input[type="checkbox"]:checked + label{
+        color: black;
+        font-weight:bold;
+        background-color: #EEE;
+    }
 }

searx/templates/oscar/advanced.html

+<div class="input-group col-sm-12 advanced">
+    <input type="checkbox" name="advanced_search" id="check-advanced" {% if advanced_search %} checked="checked"{% endif %}>
+    <label for="check-advanced">
+        <span class="glyphicon glyphicon-cog"></span>
+        {{ _('Advanced settings') }}
+    </label>
+    <div id="advanced-search-container">
+        {% include 'oscar/categories.html' %}
+        {% include 'oscar/time-range.html' %}
+    </div>
+</div>

searx/templates/oscar/categories.html

-<!-- used if scripts are disabled -->
-<noscript>
-<div id="categories" class="btn-group btn-toggle">
+<div id="categories">
 {% if rtl %}
-{% for category in categories | reverse %}
-    <!--<div class="checkbox">-->
-        <input class="hidden" type="checkbox" id="checkbox_{{ category|replace(' ', '_') }}_nojs" name="category_{{ category }}" {% if category in selected_categories %}checked="checked"{% endif %} />
-        <label class="btn btn-sm btn-primary active label_hide_if_not_checked" for="checkbox_{{ category|replace(' ', '_') }}_nojs">{{ _(category) }}</label>
-        <label class="btn btn-sm btn-default label_hide_if_checked" for="checkbox_{{ category|replace(' ', '_') }}_nojs">{{ _(category) }}</label>
-    <!--</div>-->
-    {% if category in selected_categories %}<input class="hidden" type="checkbox" id="checkbox_{{ category|replace(' ', '_') }}_dis_activation" name="category_{{ category }}" value="off" checked="checked"/>{% endif %}
-{% endfor %}
+    {% for category in categories | reverse %}
+        <input class="hidden" type="checkbox" id="checkbox_{{ category|replace(' ', '_') }}" name="category_{{ category }}" {% if category in selected_categories %}checked="checked"{% endif %} />
+        <label class="input-group-addon" for="checkbox_{{ category|replace(' ', '_') }}">{{ _(category) }}</label>
+        </label>
+    {% endfor %}
 {% else %}
-{% for category in categories %}
-    <!--<div class="checkbox">-->
-        <input class="hidden" type="checkbox" id="checkbox_{{ category|replace(' ', '_') }}_nojs" name="category_{{ category }}" {% if category in selected_categories %}checked="checked"{% endif %} />
-        <label class="btn btn-sm btn-primary active label_hide_if_not_checked" for="checkbox_{{ category|replace(' ', '_') }}_nojs">{{ _(category) }}</label>
-        <label class="btn btn-sm btn-default label_hide_if_checked" for="checkbox_{{ category|replace(' ', '_') }}_nojs">{{ _(category) }}</label>
-    <!--</div>-->
-    {% if category in selected_categories %}<input class="hidden" type="checkbox" id="checkbox_{{ category|replace(' ', '_') }}_dis_activation" name="category_{{ category }}" value="off" checked="checked"/>{% endif %}
-{% endfor %}
+    {% for category in categories %}
+        <input class="hidden" type="checkbox" id="checkbox_{{ category|replace(' ', '_') }}" name="category_{{ category }}" {% if category in selected_categories %}checked="checked"{% endif %} />
+        <label class="input-group-addon" for="checkbox_{{ category|replace(' ', '_') }}">{{ _(category) }}</label>
+    {% endfor %}
 {% endif %}
 </div>
-</noscript>
-
-<div id="categories" class="btn-group btn-toggle hide_if_nojs" data-toggle="buttons">
-{% if rtl %}
-{% for category in categories | reverse %}
-	<label class="btn btn-sm {% if category in selected_categories %}btn-primary active{% else %}btn-default{% endif %}" data-btn-class="primary">
-        <input class="hidden" type="checkbox" id="checkbox_{{ category|replace(' ', '_') }}" name="category_{{ category }}" {% if category in selected_categories %}checked="checked"{% endif %} />{{ _(category) }}
-    </label>
-{% endfor %}
-{% else %}
-{% for category in categories %}
-    <label class="btn btn-sm {% if category in selected_categories %}btn-primary active{% else %}btn-default{% endif %}" data-btn-class="primary">
-        <input class="hidden" type="checkbox" id="checkbox_{{ category|replace(' ', '_') }}" name="category_{{ category }}" {% if category in selected_categories %}checked="checked"{% endif %} />{{ _(category) }}
-    </label>
-{% endfor %}
-{% endif %}
-</div>
-
-

searx/templates/oscar/preferences.html

                         <label class="col-sm-3 col-md-2">{{ _('Default categories') }}</label>
                         {% else %}
                         <label class="col-sm-3 col-md-2">{{ _('Default categories') }}</label>
-                        <div class="col-sm-11 col-md-10">
+                        <div class="col-sm-11 col-md-10 search-categories">
                             {% include 'oscar/categories.html' %}
                         </div>
                         {% endif %}

searx/templates/oscar/results.html

 {% extends "oscar/base.html" %}
 {% block title %}{{ q }} - {% endblock %}
-{% block meta %}<link rel="alternate" type="application/rss+xml" title="Searx search: {{ q }}" href="{{ url_for('index') }}?q={{ q|urlencode }}&amp;format=rss&amp;{% for category in selected_categories %}category_{{ category }}=1&amp;{% endfor %}pageno={{ pageno }}">{% endblock %}
+{% block meta %}<link rel="alternate" type="application/rss+xml" title="Searx search: {{ q }}" href="{{ url_for('index') }}?q={{ q|urlencode }}&amp;format=rss&amp;{% for category in selected_categories %}category_{{ category }}=1&amp;{% endfor %}pageno={{ pageno }}&amp;time_range={{ time_range }}">{% endblock %}
 {% block content %}
     <div class="row">
         <div class="col-sm-8" id="main_results">
                         {% for category in selected_categories %}<input type="hidden" name="category_{{ category }}" value="1"/>{% endfor %}
                         <input type="hidden" name="q" value="{{ q }}" />
                         <input type="hidden" name="pageno" value="{{ pageno+1 }}" />
+                        <input type="hidden" name="time_range" value="{{ time_range }}" />
                         <button type="submit" class="btn btn-default"><span class="glyphicon glyphicon-backward"></span> {{ _('next page') }}</button>
                     </form>
                 </div>
                     <form method="{{ method or 'POST' }}" action="{{ url_for('index') }}"  class="pull-left">
                         {% for category in selected_categories %}<input type="hidden" name="category_{{ category }}" value="1"/>{% endfor %}
                         <input type="hidden" name="pageno" value="{{ pageno-1 }}" />
+                        <input type="hidden" name="time_range" value="{{ time_range }}" />
                         <button type="submit" class="btn btn-default" {% if pageno == 1 %}disabled{% endif %}><span class="glyphicon glyphicon-forward"></span> {{ _('previous page') }}</button>
                     </form>
                 </div>
                         <input type="hidden" name="q" value="{{ q }}" />
                         {% for category in selected_categories %}<input type="hidden" name="category_{{ category }}" value="1"/>{% endfor %}
                         <input type="hidden" name="pageno" value="{{ pageno-1 }}" />
+                        <input type="hidden" name="time_range" value="{{ time_range }}" />
                         <button type="submit" class="btn btn-default" {% if pageno == 1 %}disabled{% endif %}><span class="glyphicon glyphicon-backward"></span> {{ _('previous page') }}</button>
                     </form>
                 </div>
                         {% for category in selected_categories %}<input type="hidden" name="category_{{ category }}" value="1"/>{% endfor %}
                         <input type="hidden" name="q" value="{{ q }}" />
                         <input type="hidden" name="pageno" value="{{ pageno+1 }}" />
+                        <input type="hidden" name="time_range" value="{{ time_range }}" />
                         <button type="submit" class="btn btn-default"><span class="glyphicon glyphicon-forward"></span> {{ _('next page') }}</button>
                     </form>
                 </div>
                     <form role="form">
                         <div class="form-group">
                             <label for="search_url">{{ _('Search URL') }}</label>
-                            <input id="search_url" type="url" class="form-control select-all-on-click cursor-text" name="search_url" value="{{ base_url }}?q={{ q|urlencode }}{% if selected_categories %}&amp;categories={{ selected_categories|join(",") | replace(' ','+') }}{% endif %}{% if pageno > 1 %}&amp;pageno={{ pageno }}{% endif %}" readonly>
+                            <input id="search_url" type="url" class="form-control select-all-on-click cursor-text" name="search_url" value="{{ base_url }}?q={{ q|urlencode }}{% if selected_categories %}&amp;categories={{ selected_categories|join(",") | replace(' ','+') }}{% endif %}{% if pageno > 1 %}&amp;pageno={{ pageno }}{% endif %}{% if time_range %}&amp;time_range={{ time_range }}{% endif %}" readonly>
                         </div>
                     </form>
 
                         <input type="hidden" name="format" value="{{ output_type }}">
                         {% for category in selected_categories %}<input type="hidden" name="category_{{ category }}" value="1">{% endfor %}
                         <input type="hidden" name="pageno" value="{{ pageno }}">
+                        <input type="hidden" name="time_range" value="{{ time_range }}" />
                         <button type="submit" class="btn btn-default">{{ output_type }}</button>
                     </form>
                     {% endfor %}

searx/templates/oscar/search.html

             <button type="submit" class="btn btn-default"><span class="hide_if_nojs">{{ icon('search') }}</span><span class="hidden active_if_nojs">{{ _('Start search') }}</span></button>
         </span>
     </div>
-    <div class="search_categories">
-            {% include 'oscar/categories.html' %}
-    </div><!-- / #search_categories -->
+    {% include 'oscar/advanced.html' %}
 </form><!-- / #search_form_full -->

searx/templates/oscar/search_full.html

             <button type="submit" class="btn btn-default input-lg"><span class="hide_if_nojs">{{ icon('search') }}</span><span class="hidden active_if_nojs">{{ _('Start search') }}</span></button>
         </span>
     </div>
+    <div class="input-group col-md-8 col-md-offset-2">
+        {% include 'oscar/advanced.html' %}
+    </div>
 
-    <button type="button" class="btn btn-link btn-collapse center-block collapsed hide_if_nojs" data-toggle="collapse" data-target="#search_categories" data-btn-text-collapsed="{{ _('Show search filters') }}" data-btn-text-not-collapsed="{{ _('Hide search filters') }}">{{ _('Show search filters') }}</button>
-    <div class="row collapse active_if_nojs margin_top_if_nojs" id="search_categories">
-        <div class="col-md-12 text-center">
-            {% include 'oscar/categories.html' %}
-        </div>
-    </div><!-- / #search_categories -->
 </form><!-- / #search_form_full -->

searx/templates/oscar/time-range.html

+<select name="time_range" id="time-range">
+    <option id="time-range-anytime" value="" {{ "selected" if time_range=="" or not time_range  else ""}}>
+        {{ _('Anytime') }}
+    </option>
+    <option id="time-range-day" value="day" {{ "selected" if time_range=="day" else ""}}>
+        {{ _('Last day') }}
+    </option>
+    <option id="time-range-week" value="week" {{ "selected" if time_range=="week" else ""}}>
+        {{ _('Last week') }}
+    </option>
+    <option id="time-range-month" value="month" {{ "selected" if time_range=="month" else ""}}>
+        {{ _('Last month') }}
+    </option>
+</select>

searx/webapp.py

         paging=search.paging,
         number_of_results=format_decimal(number_of_results),
         pageno=search.pageno,
+        advanced_search=search.is_advanced,
+        time_range=search.time_range,
         base_url=get_base_url(),
         suggestions=search.result_container.suggestions,
         answers=search.result_container.answers,