feat: app certificate

apps/certificate/admin.py

@@ -0,0 +1,13 @@
+from django.contrib import admin
+
+from apps.certificate.models import Certificate
+
+
+
+
+@admin.register(Certificate)
+class CertificateAdmin(admin.ModelAdmin):
+    list_display = ['student', 'course', 'status', 'created_at']
+    list_filter = ['status', 'created_at']
+    search_fields = ['user__username', 'course__title']
+    readonly_fields = ['created_at', 'updated_at']

apps/certificate/apps.py

@@ -0,0 +1,6 @@
+from django.apps import AppConfig
+
+
+class CertificateConfig(AppConfig):
+    default_auto_field = 'django.db.models.BigAutoField'
+    name = 'apps.certificate'

apps/certificate/migrations/0001_initial.py

@@ -0,0 +1,31 @@
+# Generated by Django 3.2.7 on 2024-12-14 08:35
+
+from django.db import migrations, models
+import django.db.models.deletion
+import filer.fields.file
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+        ('course', '0005_participant_unread_messages_count'),
+        ('account', '0005_user_city'),
+        ('filer', '0015_auto_20241214_0835'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Certificate',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('status', models.CharField(choices=[('pending', 'در حال بررسی'), ('approved', 'تایید شده'), ('canceled', 'لغو شده')], default='pending', max_length=10)),
+                ('created_at', models.DateTimeField(auto_now_add=True)),
+                ('updated_at', models.DateTimeField(auto_now=True)),
+                ('certificate_file', filer.fields.file.FilerFileField(blank=True, null=True, on_delete=django.db.models.deletion.PROTECT, related_name='+', to='filer.file', verbose_name='certificate_file')),
+                ('course', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='course_certificates', to='course.course')),
+                ('student', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='certificates', to='account.studentuser')),
+            ],
+        ),
+    ]

apps/certificate/models.py

@@ -0,0 +1,30 @@
+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.account.models import StudentUser
+
+
+
+class Certificate(models.Model):
+    STATUS_CHOICES = [
+        ('pending', _('pending')),
+        ('approved', _('approved')),
+        ('canceled', _('canceled')),
+    ]
+
+    student = models.ForeignKey(StudentUser, on_delete=models.CASCADE, related_name='certificates')
+    course = models.ForeignKey(Course, on_delete=models.CASCADE, related_name='course_certificates')
+    status = models.CharField(max_length=10, choices=STATUS_CHOICES, default='pending')
+    certificate_file = FilerFileField(
+        related_name='+', on_delete=models.PROTECT, null=True, blank=True, verbose_name=_('certificate_file')
+    )
+
+    created_at = models.DateTimeField(auto_now_add=True)
+    updated_at = models.DateTimeField(auto_now=True)
+
+    def __str__(self):
+        return f"Certificate {self.student.fullname} - {self.course.title}"
+    
+    

apps/certificate/serializers.py

@@ -0,0 +1,37 @@
+
+
+from rest_framework import serializers
+from apps.certificate.models import Certificate
+
+
+
+class CertificateSerializer(serializers.ModelSerializer):
+    course = serializers.SerializerMethodField()
+    
+    class Meta:
+        model = Certificate
+        fields = ['id', 'student', 'course', 'status', 'created_at', 'updated_at',]
+        read_only_fields = ['id', 'student', 'status', 'created_at', 'updated_at',]
+
+    def get_course(self, obj):
+        return obj.course.title
+
+
+
+
+class CertificateRequestSerializer(serializers.ModelSerializer):
+    class Meta:
+        model = Certificate
+        fields = ['id', 'course']
+        read_only_fields = ['id']
+
+    def create(self, validated_data):
+        user = self.context['request'].user
+        course = validated_data['course']
+
+        if Certificate.objects.filter(student=user, course=course, status__in=['pending', 'approved']).exists():
+            raise serializers.ValidationError({"course": "Passwords do not match."})
+        return Certificate.objects.create(student=user, course=course)
+
+
+

apps/certificate/tests.py

@@ -0,0 +1,3 @@
+from django.test import TestCase
+
+# Create your tests here.

apps/certificate/urls.py

@@ -0,0 +1,11 @@
+
+
+from django.urls import path
+from .views import CertificateRequestView, UserCertificatesListView
+
+
+
+urlpatterns = [
+    path('request/', CertificateRequestView.as_view(), name='certificate-request'),
+    path('my-certificates/', UserCertificatesListView.as_view(), name='user-certificates'),
+]

apps/certificate/views.py

@@ -0,0 +1,24 @@
+from rest_framework import generics, permissions
+
+from apps.certificate.models import Certificate
+from apps.certificate.serializers import CertificateRequestSerializer, CertificateSerializer
+
+
+
+class CertificateRequestView(generics.CreateAPIView):
+    queryset = Certificate.objects.all()
+    serializer_class = CertificateRequestSerializer
+    permission_classes = [permissions.IsAuthenticated]
+
+    def perform_create(self, serializer):
+        serializer.save(student=self.request.user)
+        
+        
+        
+class UserCertificatesListView(generics.ListAPIView):
+    serializer_class = CertificateSerializer
+    permission_classes = [permissions.IsAuthenticated]
+
+    def get_queryset(self):
+        return Certificate.objects.filter(student=self.request.user).order_by('-created_at')
+    

config/settings/base.py

@@ -46,6 +46,7 @@ LOCAL_APPS = [
     'apps.chat.apps.ChatConfig',
     'apps.quiz.apps.QuizConfig',
     'apps.transaction.apps.TransactionConfig',
+    'apps.certificate.apps.CertificateConfig',
     'dynamic_preferences',
 
 ]

config/urls.py

@@ -38,6 +38,8 @@ api_patterns = [
     path('courses/', include('apps.course.urls')),    
     path('quiz/', include('apps.quiz.urls')),    
     path('transaction/', include('apps.transaction.urls')),    
+    path('certificates/', include('apps.certificate.urls')),    
+
     path('settings/', include('dynamic_preferences.urls')),
 
     path('upload-tmp-media/', UploadTmpMedia.as_view()),