[IMP] website: make pager post compatible

As we introduced postlinks, some routes are no longer compatible with
GET requests anymore. Some of those routes were using the pager which
only send GET request. In order to make the pager comptabile, we're
addding a way to use postlinks in the pager.

task-2250385

closes odoo/odoo#52475

Signed-off-by: Jérémy Kersten (jke) <jke@openerp.com>

addons/portal/views/portal_templates.xml

@@ -420,13 +420,13 @@
     <template id="pager" name="Pager">
         <ul t-if="pager['page_count'] > 1" t-attf-class="#{ classname or '' } pagination m-0 #{_classes}" t-att-style="style or None">
             <li t-attf-class="page-item #{'disabled' if pager['page']['num'] == 1 else ''}">
-                <a t-att-href=" pager['page_previous']['url'] if pager['page']['num'] != 1 else None" class="page-link">Prev</a>
+                <a t-att-href=" pager['page_previous']['url'] if pager['page']['num'] != 1 else None" t-attf-class="page-link #{extraLinkClass}">Prev</a>
             </li>
             <t t-foreach="pager['pages']" t-as="page">
-                <li t-attf-class="page-item #{'active' if page['num'] == pager['page']['num'] else ''}"> <a t-att-href="page['url']" class="page-link" t-raw="page['num']"></a></li>
+                <li t-attf-class="page-item #{'active' if page['num'] == pager['page']['num'] else ''}"> <a t-att-href="page['url']" t-attf-class="page-link #{extraLinkClass}" t-raw="page['num']"></a></li>
             </t>
             <li t-attf-class="page-item #{'disabled' if pager['page']['num'] == pager['page_count'] else ''}">
-                <a t-att-href="pager['page_next']['url'] if pager['page']['num'] != pager['page_count'] else None" class="page-link">Next</a>
+                <a t-att-href="pager['page_next']['url'] if pager['page']['num'] != pager['page_count'] else None" t-attf-class="page-link #{extraLinkClass}">Next</a>
             </li>
         </ul>
     </template>

addons/website_blog/controllers/main.py

@@ -161,7 +161,7 @@ class WebsiteBlog(http.Controller):
             # redirect get tag-1,tag-2 -> get tag-1
             tags = tag.split(',')
             if len(tags) > 1:
-                url = QueryURL('', ['blog', 'tag'], blog=blog, tag=tags[0], date_begin=date_begin, date_end=date_end)()
+                url = QueryURL('' if blog else '/blog', ['blog', 'tag'], blog=blog, tag=tags[0], date_begin=date_begin, date_end=date_end)()
                 return request.redirect(url, code=302)
 
         values = self._prepare_blog_values(blogs=blogs, blog=blog, date_begin=date_begin, date_end=date_end, tags=tag, state=state, page=page)

addons/website_blog/views/website_blog_templates.xml

@@ -97,6 +97,7 @@ list of filtered posts (by date or tag).
 
                         <t t-call="website.pager" >
                             <t t-set="classname" t-valuef="justify-content-center"/>
+                            <t t-set="extraLinkClass" t-valuef="post_link"/>
                         </t>
                     </div>
                 </div>