Pbi 6 halaman katalog

app/templates/app/katalog_materi.html

@@ -108,7 +108,16 @@
                             </h2>
                             </div>
                             <div id="collapseTwo" class="collapse" aria-labelledby="headingTwo" data-parent="#accordionExample">
-                            <div class="card-body">
+                            <div class="card-body">                                
+                                <li>
+                                    <a href="?sort=terbaru">terbaru</a>
+                                </li>                                
+                                <li>
+                                    <a href="?sort=terlama">terlama</a>
+                                </li> 
+                                <li>
+                                    <a href="?sort=terpopuler">terpopuler</a>
+                                </li> 
                                 <li>
                                     <a href="?sort=judul">judul</a>
                                 </li> 
@@ -150,15 +159,15 @@
                             </br>
                             
                             {% if materi_list.has_previous %}
-                            <a href="?page=1" >&laquo; first</a>
-                            <a href="?page={{ materi_list.previous_page_number }}">previous</a>
+                            <a href="?page=1{{url}}" >&laquo; first</a>
+                            <a href="?page={{ materi_list.previous_page_number }}{{url}}">previous</a>
                             {% endif %}
                     
                             
                     
                             {% if materi_list.has_next %}
-                            <a href="?page={{ materi_list.next_page_number }}">next</a>
-                            <a href="?page={{ materi_list.paginator.num_pages }}">last &raquo;</a>
+                            <a href="?page={{ materi_list.next_page_number }}{{url}}">next</a>
+                            <a href="?page={{ materi_list.paginator.num_pages }}{{url}}">last &raquo;</a>
                             {% endif %}
                         </span>
                     </div>

app/views.py

@@ -7,7 +7,7 @@ from django.contrib import messages
 from django.core import serializers
 from django.core.exceptions import PermissionDenied, ValidationError
 from django.core.paginator import Paginator, EmptyPage, PageNotAnInteger
-from django.db.models import Q
+from django.db.models import Q, Count
 from django.http import (Http404, HttpResponse, HttpResponseRedirect,
                          JsonResponse)
 from django.shortcuts import get_object_or_404, redirect, render
@@ -38,33 +38,49 @@ class DaftarKatalog(TemplateView):
         except:
             context["materi_list"] = None
 
+        list = Materi.objects.filter(status="APPROVE")
+        url = ""
+
         getSearch = request.GET.get('search')
         if getSearch:
-            list = Materi.objects.filter(
+            url = url + "&search={0}".format(getSearch)
+            list = list.filter(
                 Q(title__icontains=getSearch) |
                 Q(author__icontains=getSearch) |
                 Q(uploader__name__icontains=getSearch) |
                 Q(descriptions__icontains=getSearch) |
                 Q(publisher__icontains=getSearch)
             ).distinct()
-            context["materi_list"] = list.filter(status="APPROVE")
 
         getKategori = request.GET.get("kategori")
         if getKategori:
-            pkGet = request.GET.get("kategori")
-            kategori = Category.objects.get(pk=pkGet)
-            list = Materi.objects.filter(categories=kategori.pk)
-            context["materi_list"] = list.filter(status="APPROVE")
+            url = url + "&kategori={0}".format(getKategori)
+            kategori = Category.objects.get(pk=getKategori)
+            list = list.filter(categories=kategori.pk)
 
         getSort = request.GET.get("sort")
         if getSort:
-            list = Materi.objects.all().filter(status="APPROVE")
+            url = url + "&sort={0}".format(getSort)
             if(getSort == "judul"):
-                context["materi_list"] = list.order_by('title')
+                list = list.order_by('title')
             elif(getSort == "penulis"):
-                context["materi_list"] = list.order_by('author')
+                list = list.order_by('author')
             elif(getSort == "pengunggah"):
-                context["materi_list"] = list.order_by('uploader')
+                list = list.order_by('uploader')
+            elif(getSort == "terbaru"):
+                list = list.order_by('-date_created')
+            elif(getSort == "terlama"):
+                list = list.order_by('date_created')            
+            elif(getSort == "terpopuler"):
+                list = list.annotate(count=Count('like__id')).order_by('-count')
+                    
+        context["materi_list"] = list
+        paginator = Paginator(context["materi_list"], 15)
+        page_number = request.GET.get('page')
+        page_obj = paginator.get_page(page_number)
+        context["materi_list"] = page_obj
+
+        context["url"] = url
 
         paginator = Paginator(context["materi_list"], 15)
         page_number = request.GET.get('page')