certificate and transactions based on course new schema

apps/certificate/admin.py

@@ -1,4 +1,5 @@
 from django.contrib import admin
+from django.db.models import Q
 from django.utils.translation import gettext_lazy as _
 from django.utils.html import format_html
 
@@ -6,15 +7,40 @@ from unfold.admin import ModelAdmin
 from unfold.decorators import display
 
 from apps.certificate.models import Certificate
+from apps.course.models import Course
+from apps.course.models.course import extract_text_from_json
 
 from utils.admin import project_admin_site
 from apps.course.admin.professor_base import CertificateBaseAdmin
 
+
+def find_matching_course_ids(search_term: str):
+    normalized = (search_term or "").strip().lower()
+    if not normalized:
+        return []
+
+    matching_ids = list(
+        Course.objects.filter(
+            Q(title__icontains=search_term) | Q(slug__icontains=search_term)
+        ).values_list("id", flat=True)
+    )
+
+    if matching_ids:
+        return matching_ids
+
+    for course in Course.objects.all().only("id", "title", "slug"):
+        title_text = extract_text_from_json(course.title).lower()
+        slug_text = extract_text_from_json(course.slug).lower()
+        if normalized in title_text or normalized in slug_text:
+            matching_ids.append(course.id)
+
+    return matching_ids
+
 @admin.register(Certificate)
 class CertificateAdmin(CertificateBaseAdmin):
     list_display = ['student', 'course', 'certificate_status', 'created_at']
     list_filter = ['status', 'created_at']
-    search_fields = ['id', 'student__username', 'student__email', 'course__title']
+    search_fields = ['id', 'student__username', 'student__email']
     readonly_fields = ['created_at', 'updated_at']
     autocomplete_fields = ['student',]
     fieldsets = (
@@ -42,4 +68,14 @@ class CertificateAdmin(CertificateBaseAdmin):
     def get_queryset(self, request):
         queryset = super().get_queryset(request)
         return queryset
+
+    def get_search_results(self, request, queryset, search_term):
+        queryset, use_distinct = super().get_search_results(request, queryset, search_term)
+        matching_course_ids = find_matching_course_ids(search_term)
+
+        if matching_course_ids:
+            queryset = queryset | self.model.objects.filter(course_id__in=matching_course_ids)
+            use_distinct = True
+
+        return queryset, use_distinct
 project_admin_site.register(Certificate, CertificateAdmin)

apps/certificate/models.py

@@ -3,6 +3,7 @@ from django.db import models
 from django.utils.translation import gettext_lazy as _
 from filer.fields.file import FilerFileField
 from apps.course.models import Course  
+from apps.course.models.course import extract_text_from_json
 from apps.account.models import StudentUser
 
 
@@ -23,6 +24,7 @@ class Certificate(models.Model):
     updated_at = models.DateTimeField(auto_now=True)
 
     def __str__(self):
-        return f"Certificate {self.student.fullname} - {self.course.title}"
+        course_title = extract_text_from_json(self.course.title) if self.course_id else ""
+        return f"Certificate {self.student.fullname} - {course_title}"
     
     

apps/certificate/views.py

@@ -2,12 +2,38 @@ from rest_framework import generics, permissions
 from rest_framework.authentication import TokenAuthentication
 from drf_yasg.utils import swagger_auto_schema
 from drf_yasg import openapi
+from django.db.models import Q
 
 from apps.certificate.models import Certificate
 from apps.certificate.serializers import CertificateRequestSerializer, CertificateSerializer
+from apps.course.models import Course
+from apps.course.models.course import extract_text_from_json
 from utils.pagination import StandardResultsSetPagination
 
 
+def find_matching_course_ids(search_term: str):
+    normalized = (search_term or "").strip().lower()
+    if not normalized:
+        return []
+
+    matching_ids = list(
+        Course.objects.filter(
+            Q(title__icontains=search_term) | Q(slug__icontains=search_term)
+        ).values_list("id", flat=True)
+    )
+
+    if matching_ids:
+        return matching_ids
+
+    for course in Course.objects.all().only("id", "title", "slug"):
+        title_text = extract_text_from_json(course.title).lower()
+        slug_text = extract_text_from_json(course.slug).lower()
+        if normalized in title_text or normalized in slug_text:
+            matching_ids.append(course.id)
+
+    return matching_ids
+
+
 
 class CertificateRequestView(generics.CreateAPIView):
     queryset = Certificate.objects.all()
@@ -82,10 +108,11 @@ class AdminCertificateViewSet(ModelViewSet):
         # Search query
         search_query = self.request.query_params.get('search', None)
         if search_query:
+            matching_course_ids = find_matching_course_ids(search_query)
             queryset = queryset.filter(
                 Q(student__fullname__icontains=search_query) |
                 Q(student__email__icontains=search_query) |
-                Q(course__title__icontains=search_query)
+                Q(course_id__in=matching_course_ids)
             )
 
         # Filters

apps/quiz/admin/quiz.py

@@ -1,4 +1,5 @@
 from django.contrib import admin, messages
+from django.db.models import Q
 from django.db.models import Count
 from django.utils.safestring import mark_safe
 from django.urls import reverse
@@ -9,6 +10,8 @@ from unfold.admin import ModelAdmin
 from unfold.decorators import display, action
 
 from apps.course.models import CourseLesson
+from apps.course.models import Course
+from apps.course.models.course import extract_text_from_json
 from apps.quiz.models import Quiz
 from apps.quiz.admin.question import QuestionAdminInline
 from apps.quiz.admin.participant import QuizParticipantInline
@@ -16,7 +19,7 @@ from utils.admin import project_admin_site, admin_url_generator
 
 
 class QuizAdmin(ModelAdmin):
-    search_fields = ['title', 'lesson__title']
+    search_fields = ['title', 'description']
     list_display = ['title', 'description', 'lesson', 'each_question_timing', 'status_display', 'questions_display']
     list_filter = ['each_question_timing', 'status']
     inlines = [QuestionAdminInline, QuizParticipantInline]
@@ -42,6 +45,43 @@ class QuizAdmin(ModelAdmin):
 
         return queryset.none()
 
+    def _find_matching_course_ids(self, search_term):
+        normalized = (search_term or "").strip().lower()
+        if not normalized:
+            return []
+
+        matching_ids = list(
+            Course.objects.filter(
+                Q(title__icontains=search_term) | Q(slug__icontains=search_term)
+            ).values_list("id", flat=True)
+        )
+
+        if matching_ids:
+            return matching_ids
+
+        for course in Course.objects.all().only("id", "title", "slug"):
+            title_text = extract_text_from_json(course.title).lower()
+            slug_text = extract_text_from_json(course.slug).lower()
+            if normalized in title_text or normalized in slug_text:
+                matching_ids.append(course.id)
+
+        return matching_ids
+
+    def _find_matching_lesson_ids(self, search_term):
+        normalized = (search_term or "").strip().lower()
+        if not normalized:
+            return []
+
+        matching_ids = []
+        for lesson in CourseLesson.objects.select_related("lesson").all():
+            lesson_title = extract_text_from_json(
+                lesson.title or (lesson.lesson.title if lesson.lesson else [])
+            ).lower()
+            if normalized in lesson_title:
+                matching_ids.append(lesson.id)
+
+        return matching_ids
+        
     def get_exclude(self, request, obj=None):
         if not obj: # اگر obj وجود ندارد یعنی صفحه Add است
             return ['course']
@@ -73,6 +113,19 @@ class QuizAdmin(ModelAdmin):
         
         return form
 
+    def get_search_results(self, request, queryset, search_term):
+        queryset, use_distinct = super().get_search_results(request, queryset, search_term)
+        matching_course_ids = self._find_matching_course_ids(search_term)
+        matching_lesson_ids = self._find_matching_lesson_ids(search_term)
+
+        if matching_course_ids or matching_lesson_ids:
+            queryset = queryset | self.model.objects.filter(
+                Q(course_id__in=matching_course_ids) | Q(lesson_id__in=matching_lesson_ids)
+            )
+            use_distinct = True
+
+        return queryset, use_distinct
+    
     @display(description=_('Status'), ordering='status')
     def status_display(self, obj):
         if obj.status:

apps/quiz/views/admin.py

@@ -10,6 +10,7 @@ from utils.pagination import StandardResultsSetPagination
 
 from apps.quiz.models import Quiz, Question, QuizParticipant
 from apps.course.models import Course, CourseLesson, Participant
+from apps.course.models.course import extract_text_from_json
 from apps.account.models import User
 from apps.account.permissions import IsPanelUser
 
@@ -28,6 +29,45 @@ def is_professor(request):
     return getattr(request.user, 'user_type', None) == 'professor'
 
 
+def find_matching_course_ids(search_term: str):
+    normalized = (search_term or "").strip().lower()
+    if not normalized:
+        return []
+
+    matching_ids = list(
+        Course.objects.filter(
+            Q(title__icontains=search_term) | Q(slug__icontains=search_term)
+        ).values_list("id", flat=True)
+    )
+
+    if matching_ids:
+        return matching_ids
+
+    for course in Course.objects.all().only("id", "title", "slug"):
+        title_text = extract_text_from_json(course.title).lower()
+        slug_text = extract_text_from_json(course.slug).lower()
+        if normalized in title_text or normalized in slug_text:
+            matching_ids.append(course.id)
+
+    return matching_ids
+
+
+def find_matching_lesson_ids(search_term: str):
+    normalized = (search_term or "").strip().lower()
+    if not normalized:
+        return []
+
+    matching_ids = []
+    for lesson in CourseLesson.objects.select_related("lesson").all():
+        lesson_title = extract_text_from_json(
+            lesson.title or (lesson.lesson.title if lesson.lesson else [])
+        ).lower()
+        if normalized in lesson_title:
+            matching_ids.append(lesson.id)
+
+    return matching_ids
+
+
 class AdminQuizViewSet(ModelViewSet):
     """
     Admin CRUD ViewSet for Quiz management.
@@ -52,9 +92,13 @@ class AdminQuizViewSet(ModelViewSet):
         # Handle Search
         search_query = self.request.query_params.get('search', None)
         if search_query:
+            matching_course_ids = find_matching_course_ids(search_query)
+            matching_lesson_ids = find_matching_lesson_ids(search_query)
             queryset = queryset.filter(
                 Q(title__icontains=search_query) |
-                Q(description__icontains=search_query)
+                Q(description__icontains=search_query) |
+                Q(course_id__in=matching_course_ids) |
+                Q(lesson_id__in=matching_lesson_ids)
             )
 
         # Handle Course Filter

apps/transaction/views.py

@@ -3,7 +3,9 @@ from rest_framework.permissions import IsAuthenticated
 from rest_framework.response import Response
 from rest_framework.views import APIView
 from rest_framework.authentication import TokenAuthentication
+from django.db.models import Q
 from apps.course.models import Participant, Course
+from apps.course.models.course import extract_text_from_json
 from apps.transaction.models import TransactionParticipant, TransactionReceipt
 from apps.transaction.serializers import (
     TransactionParticipantSerializer,
@@ -26,6 +28,32 @@ from apps.transaction.doc import (
 from utils.ip_helper import get_client_ip, get_country_code
 
 
+def find_course_by_multilingual_identifier(identifier: str):
+    normalized = (identifier or "").strip()
+    if not normalized:
+        return None
+
+    course = Course.objects.filter(slug__contains=[{"title": normalized}]).first()
+    if course:
+        return course
+
+    course = Course.objects.filter(
+        Q(title__icontains=normalized) |
+        Q(slug__icontains=normalized)
+    ).first()
+    if course:
+        return course
+
+    normalized_lower = normalized.lower()
+    for item in Course.objects.all().only("id", "title", "slug"):
+        title_text = extract_text_from_json(item.title).lower()
+        slug_text = extract_text_from_json(item.slug).lower()
+        if normalized_lower in title_text or normalized_lower in slug_text:
+            return item
+
+    return None
+
+
 
 class TransactionParticipantCreateView(generics.CreateAPIView):
     queryset = TransactionParticipant.objects.all()
@@ -118,9 +146,8 @@ class TransactionParticipantCreateView(generics.CreateAPIView):
         course_slug = self.kwargs.get('slug')
         
         # 1. Retrieve Course
-        try:
-            course = Course.objects.get(slug=course_slug)
-        except Course.DoesNotExist:
+        course = find_course_by_multilingual_identifier(course_slug)
+        if not course:
             raise AppAPIException({'message': "Course not found"})
 
         participant_infos = request.data.get('participant_infos', [])
@@ -450,10 +477,25 @@ class AdminTransactionViewSet(ModelViewSet):
         # Search
         search_query = self.request.query_params.get('search', None)
         if search_query:
+            matching_course_ids = list(
+                Course.objects.filter(
+                    Q(title__icontains=search_query) |
+                    Q(slug__icontains=search_query)
+                ).values_list("id", flat=True)
+            )
+            if not matching_course_ids:
+                normalized_search = search_query.lower().strip()
+                matching_course_ids = [
+                    course.id
+                    for course in Course.objects.all().only("id", "title", "slug")
+                    if normalized_search in extract_text_from_json(course.title).lower()
+                    or normalized_search in extract_text_from_json(course.slug).lower()
+                ]
+
             queryset = queryset.filter(
                 Q(user__fullname__icontains=search_query) |
                 Q(user__email__icontains=search_query) |
-                Q(course__title__icontains=search_query)
+                Q(course_id__in=matching_course_ids)
             )
 
         # Status filter