From 596da522bef06fc7c9b6d7eb84f6aee22e7dab25 Mon Sep 17 00:00:00 2001
From: Rosandra Cuello <rosandra.cuello@gmail.com>
Date: Thu, 29 Sep 2011 17:12:45 -0700
Subject: Basic restfull urls that contain scope/sort/tags/page

---
 askbot/search/state_manager.py                     | 14 +++++++++++
 askbot/skins/default/templates/macros.html         | 27 +++++++++++-----------
 .../skins/default/templates/main_page/content.html |  2 +-
 .../default/templates/main_page/paginator.html     |  2 +-
 .../skins/default/templates/main_page/sidebar.html |  7 +++---
 .../skins/default/templates/main_page/tab_bar.html | 23 ++++++++++--------
 askbot/templatetags/extra_filters.py               | 26 +++++++++++++++++++++
 askbot/views/readers.py                            |  7 ++++--
 8 files changed, 79 insertions(+), 29 deletions(-)

diff --git a/askbot/search/state_manager.py b/askbot/search/state_manager.py
index d441e33b..761724f0 100644
--- a/askbot/search/state_manager.py
+++ b/askbot/search/state_manager.py
@@ -295,6 +295,20 @@ class SearchState(object):
     def reset_scope(self):
         self.scope = const.DEFAULT_POST_SCOPE
 
+    def query_string(self):
+        out = 'scope=%s' % self.scope
+        out += '&sort=%s' % self.sort
+        if self.query:
+            out += '&query=%s' % self.query
+        if hasattr(self, 'search'):
+            if self.search == 'search':
+                out += '&search = search'
+        if self.tags:
+            for tag in self.tags:
+                out += '&tags=%s' % tag
+        #out += '&page=%d' % self.page
+        return '?'+out
+
 class ViewLog(object):
     """The ViewLog helper obejcts store the trail of the page visits for a
     given user. The trail is recorded only up to a certain depth.
diff --git a/askbot/skins/default/templates/macros.html b/askbot/skins/default/templates/macros.html
index 5c035611..f6cab5ce 100644
--- a/askbot/skins/default/templates/macros.html
+++ b/askbot/skins/default/templates/macros.html
@@ -1,3 +1,4 @@
+{% load extra_filters %}
 {%- macro user_score_and_badge_summary(user) -%}
     <span class="reputation-score"
           title="{{user.get_karma_summary}}"
@@ -369,13 +370,13 @@ poor design of the data or methods on data objects #}
     <{% if not is_link or tag[-1] == '*' %}span{% else %}a{% endif %}
             class="tag tag-right{% if css_class %} {{ css_class }}{% endif %}"
             {% if is_link %}
-            href="{% url questions %}?tags={{tag|urlencode}}{{ 
-                                                        if_else(
-                                                            url_params != None,
-                                                            '&' ~ url_params,
-                                                            ''
-                                                        )|escape
-                                                    }}"
+            href="{% url questions %}{{ 
+                                        if_else(
+                                            url_params != None,
+                                            url_params,
+                                            '?'
+                                        )|escape
+                                    }}{{url_params|add_tag_to_url("tags="+tag|urlencode)}}"
             title="{% trans %}see questions tagged '{{ tag }}'{% endtrans %}"
             {% endif %}
             rel="tag"
@@ -410,7 +411,7 @@ poor design of the data or methods on data objects #}
     {% endfor %}
 {%- endmacro -%}
 
-{%- macro question_summary(question, extra_class=None) -%}
+{%- macro question_summary(question, extra_class=None, query_string=None) -%}
       <div class="short-summary{% if extra_class %} {{extra_class}}{% endif %}" id="question-{{question.id}}">
         <div class="counts">
             <div class="views
@@ -465,7 +466,7 @@ poor design of the data or methods on data objects #}
             </div>
         </div>
         <h2><a href="{{ question.get_absolute_url() }}" onmouseover="load_question_body(this, {{question.id}})">{{question.get_question_title()|escape}}</a></h2>
-        {{ tag_list_widget(question.get_tag_names()) }}
+        {{ tag_list_widget(question.get_tag_names(), url_params=query_string) }}
     </div>
 {%- endmacro -%}
 
@@ -585,7 +586,7 @@ for the purposes of the AJAX comment editor #}
 {%- endmacro -%}
 
 {%- macro reversible_sort_button(button_sort_criterium=None, asc_tooltip=None,
-            desc_tooltip=None, label=None, current_sort_method=None) -%}
+            desc_tooltip=None, label=None, current_sort_method=None, query_string=None) -%}
 {# 
     sort button where descending sort is default
     and the search method is togglable between ascending and descending 
@@ -598,17 +599,17 @@ for the purposes of the AJAX comment editor #}
     {% set sort = current_sort_method %}
     {% if sort == key_name + "-asc" %}{# "worst" first #}
     <a id="by_{{key_name}}" 
-        href="?sort={{key_name}}-desc" 
+        href={{ query_string|replace_in_url("sort="+key_name+"-desc") }}
         class="rev on" 
         title="{{desc_tooltip}}"><span>{{label}} &#9650;</span></a>
     {% elif sort == key_name + "-desc" %}{# "best first" #}
     <a id="by_{{key_name}}"
-        href="?sort={{key_name}}-asc" 
+        href={{ query_string|replace_in_url("sort="+key_name+"-asc") }}
         class="rev on"
         title="{{asc_tooltip}}"><span>{{label}} &#9660;</span></a>
     {% else %}{# default, when other button is active #}
     <a id="by_{{key_name}}"
-        href="?sort={{key_name}}-desc" 
+        href={{ query_string|replace_in_url("sort="+key_name+"-desc") }} 
         class="off"
         title="{{desc_tooltip}}"><span>{{label}}</span></a>
     {% endif %}
diff --git a/askbot/skins/default/templates/main_page/content.html b/askbot/skins/default/templates/main_page/content.html
index 72128cdc..55598ff6 100644
--- a/askbot/skins/default/templates/main_page/content.html
+++ b/askbot/skins/default/templates/main_page/content.html
@@ -2,7 +2,7 @@
 <div id="question-list">
 {% cache 0 "questions" questions search_tags scope sort query context.page context.page_size language_code %}
     {% for question in questions.object_list %}
-        {{macros.question_summary(question)}}
+        {{macros.question_summary(question, query_string=query_string)}}
     {% endfor %}
 {% endcache %}
 {# comment todo: fix css here #}
diff --git a/askbot/skins/default/templates/main_page/paginator.html b/askbot/skins/default/templates/main_page/paginator.html
index 4a77060f..cf45cc0c 100644
--- a/askbot/skins/default/templates/main_page/paginator.html
+++ b/askbot/skins/default/templates/main_page/paginator.html
@@ -1,5 +1,5 @@
 {% import "macros.html" as macros %}
-{% if questions_count > 10 %}{# todo: remove magic number #}
+{% if questions_count > page_size %}{# todo: remove magic number #}
     <div id="pager" class="pager">
         {{ macros.paginator(context|setup_paginator, position='left') }}
         {{ macros.pagesize_switch(context, position='right') }}
diff --git a/askbot/skins/default/templates/main_page/sidebar.html b/askbot/skins/default/templates/main_page/sidebar.html
index 6abc0492..577405d8 100644
--- a/askbot/skins/default/templates/main_page/sidebar.html
+++ b/askbot/skins/default/templates/main_page/sidebar.html
@@ -20,7 +20,7 @@
 {% endif %}
 
 {% if tags and settings.SIDEBAR_MAIN_SHOW_TAGS %}
-    {% cache 0 "tags" tags search_tags scope sort query context.page context.page_size language_code %}
+    {# cache 0 "tags" tags search_tags scope sort query context.page context.page_size language_code #}
     <div class="boxC">
         <h2>{% trans %}Related tags{% endtrans %}</h2>
         {% if tag_list_type == 'list' %}
@@ -31,7 +31,8 @@
                         tag.name,
                         html_tag = 'div',
                         extra_content = '<span class="tag-number">&#215; ' ~
-                            tag.local_used_count|intcomma ~ '</span>'
+                            tag.local_used_count|intcomma ~ '</span>',
+                        url_params = query_string,
                     )}}
                 </li>
             {% endfor %}
@@ -40,7 +41,7 @@
             {{ macros.tag_cloud(tags = tags, font_sizes = font_size) }}
         {% endif %}
     </div>
-    {% endcache %}
+    {# endcache #}
 {% endif %}
 
 {{ settings.SIDEBAR_MAIN_FOOTER }}
diff --git a/askbot/skins/default/templates/main_page/tab_bar.html b/askbot/skins/default/templates/main_page/tab_bar.html
index 1b27ab3a..e499ad29 100644
--- a/askbot/skins/default/templates/main_page/tab_bar.html
+++ b/askbot/skins/default/templates/main_page/tab_bar.html
@@ -1,16 +1,17 @@
 {% import "macros.html" as macros %}
-{% cache 600 "scope_sort_tabs" search_tags request.user scope sort query context.page context.page_size language_code %}
+{% load extra_filters %}
+{# cache 600 "scope_sort_tabs" search_tags request.user scope sort query context.page context.page_size language_code #}
 <div class="tabBar">
     <div class="tabsC">
         <span class="label">{% trans %}In:{% endtrans %}</span>
         <a id="all" 
             class="{% if scope == 'all' %}on{% else %}off{% endif %}"
-            href="?scope=all" 
+            href="{{ query_string|replace_in_url("scope=all") }}"
             title="{% trans %}see all questions{% endtrans %}"
         ><span>{% trans %}all{% endtrans %}</span></a>
         <a id="unanswered" 
             class="{% if scope == 'unanswered' %}on{% else %}off{% endif %}"
-            href="?scope=unanswered&amp;sort=answers-asc" 
+            href="{{ query_string|replace_in_url("scope=unanswered")|replace_in_url("sort=answers-asc") }}" 
             title="{% trans %}see unanswered questions{% endtrans %}"
         ><span>{% trans %}unanswered{% endtrans %}</span></a>
         {% if request.user.is_authenticated() %} 
@@ -30,7 +31,7 @@
             {% if query %}
             <a id="by_relevance"
                 {% if sort == "relevance-desc" %}
-                    href="?sort=relevance-desc"
+                    href={{ query_string|replace_in_url("sort=relevance-desc") }}
                     class="on"
                     title="{{asc_relevance_tooltip}}"><span>{{relevance_label}} &#9660;</span>
                 {% else %}
@@ -54,7 +55,8 @@
                 label = gettext('by date'),
                 asc_tooltip = gettext('click to see the oldest questions'),
                 desc_tooltip = gettext('click to see the newest questions'),
-                current_sort_method = sort
+                current_sort_method = sort,
+                query_string = query_string,
             )
         }}
         {{macros.reversible_sort_button(
@@ -62,7 +64,8 @@
                 label = gettext('by activity'),
                 asc_tooltip = gettext('click to see the least recently updated questions'),
                 desc_tooltip = gettext('click to see the most recently updated questions'),
-                current_sort_method = sort
+                current_sort_method = sort,
+                query_string = query_string,
             )
         }}
         {{macros.reversible_sort_button(
@@ -70,7 +73,8 @@
                 label = gettext('by answers'),
                 asc_tooltip = gettext('click to see the least answered questions'),
                 desc_tooltip = gettext('click to see the most answered questions'),
-                current_sort_method = sort
+                current_sort_method = sort,
+                query_string = query_string,
             )
         }}
         {{macros.reversible_sort_button(
@@ -78,9 +82,10 @@
                 label = gettext('by votes'),
                 asc_tooltip = gettext('click to see least voted questions'),
                 desc_tooltip = gettext('click to see most voted questions'),
-                current_sort_method = sort
+                current_sort_method = sort,
+                query_string = query_string,
             )
         }}
     </div>
 </div>
-{% endcache %}
+{# endcache #}
diff --git a/askbot/templatetags/extra_filters.py b/askbot/templatetags/extra_filters.py
index ffdfd9d8..81776c6c 100644
--- a/askbot/templatetags/extra_filters.py
+++ b/askbot/templatetags/extra_filters.py
@@ -156,3 +156,29 @@ def humanize_counter(number):
 @register.filter
 def absolute_value(number):
     return abs(number)
+
+
+@register.filter
+def replace_in_url(query_string, param):
+    type, value = param.split('=')
+    params = query_string.lstrip('?').split('&')
+
+    for p in params:
+        if type in p:
+            params[params.index(p)] = param
+
+    query_string = "?"+'&'.join(params)
+    return query_string
+
+@register.filter
+def add_tag_to_url(query_string, param):
+    if query_string:
+        params = query_string.lstrip('?').split('&')
+
+        for p in params:
+            if param in p:
+                return ''
+
+    return '&'+param
+    
+    
diff --git a/askbot/views/readers.py b/askbot/views/readers.py
index 1739a4ef..956ad2ed 100644
--- a/askbot/views/readers.py
+++ b/askbot/views/readers.py
@@ -71,7 +71,7 @@ def questions(request):
     #don't allow to post to this view
     if request.method == 'POST':
         raise Http404
-
+    #import pdb; pdb.set_trace()
     #update search state
     form = AdvancedSearchForm(request.GET)
     if form.is_valid():
@@ -119,7 +119,7 @@ def questions(request):
         'has_next': page.has_next(),
         'previous': page.previous_page_number(),
         'next': page.next_page_number(),
-        'base_url' : request.path + '?sort=%s&amp;' % search_state.sort,#todo in T sort=>sort_method
+        'base_url' : request.path + search_state.query_string() + '&',#todo in T sort=>sort_method
         'page_size' : search_state.page_size,#todo in T pagesize -> page_size
     }
 
@@ -280,6 +280,7 @@ def questions(request):
     if meta_data.get('author_name',None):
         reset_method_count += 1
 
+    #import pdb; pdb.set_trace()
     template_data = {
         'active_tab': 'questions',
         'author_name' : meta_data.get('author_name',None),
@@ -291,6 +292,7 @@ def questions(request):
         'language_code': translation.get_language(),
         'name_of_anonymous_user' : models.get_name_of_anonymous_user(),
         'page_class': 'main-page',
+        'page_size': search_state.page_size,
         'query': search_state.query,
         'questions' : page,
         'questions_count' : paginator.count,
@@ -305,6 +307,7 @@ def questions(request):
         'font_size' : font_size,
         'tag_filter_strategy_choices': const.TAG_FILTER_STRATEGY_CHOICES,
         'update_avatar_data': schedules.should_update_avatar_data(request),
+        'query_string': search_state.query_string(),
     }
 
     assert(request.is_ajax() == False)
-- 
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