Profile: Rating for Contributor (Rating Count/Average)

app/templates/app/katalog_kontri.html

 {% extends "base.html" %}
 {% load static %}
+{% load humanize %}
 {% block title %}Digipus - {% endblock %}
 {% block header %}
 
@@ -86,6 +87,8 @@
                         </table>
                     </div>
                 </div>
+            <h4 id="rating">Rating: {% if  avg_rating.avg_rating %}{{ avg_rating.avg_rating|floatformat:"2"|intcomma }}{% else %}0{% endif %}</h4>
+            <h6>oleh: {{ count_rating }} orang</h6>
             <div class="row"><form method="post">{{ form_rating }} {% csrf_token %}
                 <button type="submit" class="form-control" style="margin-top: 1rem">Submit</button></form> </div>
             </div>

app/tests.py

@@ -69,6 +69,7 @@ from selenium.webdriver.chrome.options import Options
 from selenium.webdriver.common.keys import Keys
 from webdriver_manager.chrome import ChromeDriverManager
 from selenium.common.exceptions import NoSuchElementException
+from statistics import mean
 
 
 
@@ -1970,6 +1971,69 @@ class RatingContributorTest(TransactionTestCase):
         self.client.post(url, data={"user": self.contributor.id, "score": 0})
         self.assertEqual(0, RatingContributor.objects.filter(user=self.contributor.id).count())
 
+    def test_average_rating_score_empty(self):
+        url = f"/profil/{self.contributor.email}/"
+        response = self.client.get(url)
+        self.assertTemplateUsed(response=response, template_name="app/katalog_kontri.html")
+        self.assertContains(response=response, text="Rating: 0", count=1)
+        self.assertContains(response=response, text="oleh: 0 orang", count=1)
+
+    def test_average_rating_correct(self):
+        url = f"/profil/{self.contributor.email}/"
+        self.client.post(url, data={"user": self.contributor.id, "score": 5})
+        response = self.client.get(url)
+        self.assertContains(response=response, text="Rating: 5", count=1)
+        self.assertContains(response=response, text="oleh: 1 orang", count=1)
+
+    def test_average_rating_form_incorrect_correct(self):
+        url = f"/profil/{self.contributor.email}/"
+        self.client.post(url, data={"user": self.contributor.id, "score": 6})
+        response = self.client.get(url)
+        self.assertContains(response=response, text="Rating: 0", count=1)
+        self.assertContains(response=response, text="oleh: 0 orang", count=1)
+        self.client.post(url, data={"user": self.contributor.id, "score": -1})
+        response = self.client.get(url)
+        self.assertContains(response=response, text="Rating: 0", count=1)
+        self.assertContains(response=response, text="oleh: 0 orang", count=1)
+
+    def test_average_with_multiple_score_correct(self):
+        score = 5
+        avg = [score]
+        url = f"/profil/{self.contributor.email}/"
+        self.client.post(url, data={"user": self.contributor.id, "score": score})
+        response = self.client.get(url)
+        self.assertContains(response=response, text=f"Rating: {mean(avg)}", count=1)
+        self.assertContains(response=response, text=f"oleh: {len(avg)} orang", count=1)
+
+        score = 4
+        avg.append(score)
+        self.client.post(url, data={"user": self.contributor.id, "score": score})
+        response = self.client.get(url)
+        self.assertContains(response=response, text=f"Rating: {mean(avg)}", count=1)
+        self.assertContains(response=response, text=f"oleh: {len(avg)} orang", count=1)
+
+        score = 3
+        avg.append(score)
+        self.client.post(url, data={"user": self.contributor.id, "score": score})
+        response = self.client.get(url)
+        self.assertContains(response=response, text=f"Rating: {mean(avg)}", count=1)
+        self.assertContains(response=response, text=f"oleh: {len(avg)} orang", count=1)
+
+        score = 2
+        avg.append(score)
+        self.client.post(url, data={"user": self.contributor.id, "score": score})
+        response = self.client.get(url)
+        self.assertContains(response=response, text=f"Rating: {mean(avg)}", count=1)
+        self.assertContains(response=response, text=f"oleh: {len(avg)} orang", count=1)
+
+        score = 1
+        avg.append(score)
+        self.client.post(url, data={"user": self.contributor.id, "score": score})
+        response = self.client.get(url)
+        self.assertContains(response=response, text=f"Rating: {mean(avg)}", count=1)
+        self.assertContains(response=response, text=f"oleh: {len(avg)} orang", count=1)
+
+
 class UserDownloadHistoryTest(TestCase):
     def setUp(self):
         self.user1_credential = {

app/views.py

@@ -8,7 +8,7 @@ from django.conf import settings
 from django.contrib import messages
 from django.core.exceptions import PermissionDenied
 from django.core.paginator import Paginator
-from django.db.models import Q
+from django.db.models import Q, Avg
 from django.http import (Http404, HttpResponse, HttpResponseRedirect,
                          JsonResponse)
 from django.shortcuts import get_object_or_404, redirect
@@ -23,7 +23,7 @@ from app.models import (
     Comment,
     Materi,
     ReqMaterial,
-    Rating,
+    Rating, RatingContributor,
 )
 from authentication.models import User
 from .services import DafterKatalogService, DetailMateriService, LikeDislikeService, MateriFieldValidationHelperService, \
@@ -88,6 +88,9 @@ class KatalogPerKontributorView(TemplateView):
         context["materi_list"] = materi_list_by_page
         contributor = get_object_or_404(User, email=kwargs["email"])
         context["form_rating"] = RatingContributorForm(initial={"user": contributor})
+        context["avg_rating"] = User.objects.filter(email=kwargs["email"]) \
+            .annotate(avg_rating=Avg("ratingcontributor__score"))[0]
+        context["count_rating"] = RatingContributor.objects.filter(user=contributor).count()
         return self.render_to_response(context=context)
 
     def post(self, request, *args, **kwargs):