From 247fe8e206003efb67c45fc14f1a20e0ef7e1a3e Mon Sep 17 00:00:00 2001
From: PlexSheep <software@cscherr.de>
Date: Sun, 8 Oct 2023 14:11:48 +0200
Subject: [PATCH] pagination works

not compatible with search?
---
 gawa/blog/templates/blog/browse.html   | 26 ++++++++++++++++++++++++++
 gawa/blog/views.py                     |  1 +
 gawa/start/templatetags/helper_tags.py | 10 ++++++++++
 3 files changed, 37 insertions(+)

diff --git a/gawa/blog/templates/blog/browse.html b/gawa/blog/templates/blog/browse.html
index 8f84dc7..02b1c18 100644
--- a/gawa/blog/templates/blog/browse.html
+++ b/gawa/blog/templates/blog/browse.html
@@ -174,6 +174,32 @@
                             </div>
                         {% endfor %}
                     </div>
+                    <nav aria-label="Page navigation example" class="mt-5">
+                        <ul class="pagination justify-content-center">
+                            {% if page_obj.has_previous %}
+                                <li class="page-item">
+                                    <a class="page-link" href="?{% query_transform page=1 %}">First</a>
+                                </li>
+                                <li class="page-item">
+                                    <a class="page-link"
+                                       href="?{% query_transform page=page_obj.previous_page_number %}">{{ page_obj.previous_page_number }}</a>
+                                </li>
+                            {% endif %}
+                            <li class="page-item">
+                                <a class="page-link" href="">{{ page_obj.number }}</a>
+                            </li>
+                            {% if page_obj.has_next %}
+                                <li class="page-item">
+                                    <a class="page-link"
+                                       href="?{% query_transform page=page_obj.next_page_number %}">{{ page_obj.next_page_number }}</a>
+                                </li>
+                                <li class="page-item">
+                                    <a class="page-link"
+                                       href="?{% query_transform page=page_obj.paginator.num_pages %}">Last</a>
+                                </li>
+                            {% endif %}
+                        </ul>
+                    </nav>
                 {% endif %}
             </div>
         </div>
diff --git a/gawa/blog/views.py b/gawa/blog/views.py
index 7ce7081..26a7ce1 100644
--- a/gawa/blog/views.py
+++ b/gawa/blog/views.py
@@ -57,6 +57,7 @@ class Browse(ListView):
     model = BlogPost
     template_name = "blog/browse.html"
     context_object_name = "posts"
+    paginate_by = 20
     allow_empty = False  # but we have a special get method
 
     def get_queryset(self):
diff --git a/gawa/start/templatetags/helper_tags.py b/gawa/start/templatetags/helper_tags.py
index e57a3bc..c580f82 100644
--- a/gawa/start/templatetags/helper_tags.py
+++ b/gawa/start/templatetags/helper_tags.py
@@ -13,3 +13,13 @@ register = Library()
 @register.simple_tag
 def format_time(timestamp: datetime, format: str = "%F %H:%M:%S %Z") -> str:
     return timestamp.strftime(format)
+
+@register.simple_tag(takes_context=True)
+def query_transform(context, **kwargs):
+    """
+    Modify the GET parameters of a request from templates
+    """
+    query = context['request'].GET.copy()
+    for k, v in kwargs.items():
+        query[k] = v
+    return query.urlencode()