feat: add certificates link to api views

backend/backend_api/migrations/0061_alter_presentationparticipation_certificate_and_more.py

@@ -0,0 +1,24 @@
+# Generated by Django 4.2.4 on 2024-01-11 13:56
+
+from django.db import migrations, models
+import utils.image_uploader
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('backend_api', '0060_presentationparticipation_certificate_and_more'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='presentationparticipation',
+            name='certificate',
+            field=models.FileField(blank=True, default=None, null=True, upload_to=utils.image_uploader.update_certificate_filename),
+        ),
+        migrations.AlterField(
+            model_name='workshopregistration',
+            name='certificate',
+            field=models.FileField(blank=True, default=None, null=True, upload_to=utils.image_uploader.update_certificate_filename),
+        ),
+    ]

backend/backend_api/models.py

@@ -294,7 +294,7 @@ class StatusChoices(models.IntegerChoices):
     status = models.IntegerField(choices=StatusChoices.choices, default=StatusChoices.AWAITING_PAYMENT)
     password = models.CharField(max_length=SMALL_MAX_LENGTH, default=random_password)
     certificate_uuid = models.UUIDField(default=uuid.uuid4, editable=False, unique=True)
-    certificate = models.FileField(upload_to=update_certificate_filename, null=True, default=None)
+    certificate = models.FileField(upload_to=update_certificate_filename, null=True, default=None, blank=True)
 
     class Meta:
         unique_together = ('workshop', 'user',)
@@ -314,7 +314,7 @@ class StatusChoices(models.IntegerChoices):
     status = models.IntegerField(choices=StatusChoices.choices, default=StatusChoices.AWAITING_PAYMENT)
     password = models.CharField(max_length=SMALL_MAX_LENGTH, default=random_password)
     certificate_uuid = models.UUIDField(default=uuid.uuid4, editable=False, unique=True)
-    certificate = models.FileField(upload_to=update_certificate_filename, null=True, default=None)
+    certificate = models.FileField(upload_to=update_certificate_filename, null=True, default=None, blank=True)
 
     class Meta:
         unique_together = ('presentation', 'user',)

backend/backend_api/serializers.py

@@ -1,6 +1,9 @@
+import urllib.parse
+
 from django.core.exceptions import ObjectDoesNotExist
 from rest_framework import serializers, status
 
+from aaiss_backend.settings import BASE_URL
 from backend_api import models
 from backend_api.models import User, Account, WorkshopRegistration, PresentationParticipation
 from utils.renderers import new_detailed_response
@@ -75,10 +78,11 @@ class Meta:
 
 class WorkshopRegistrationSerializer(serializers.ModelSerializer):
     workshop = serializers.PrimaryKeyRelatedField(queryset=WorkshopSerializer.Meta.model.objects.all())
+    certificate = serializers.CharField(required=False, allow_blank=True, allow_null=True)
 
     class Meta:
         model = WorkshopRegistration
-        fields = ('workshop',)
+        fields = ('workshop', 'certificate')
 
     def create(self, validated_data):
         user = self.context['request'].user.user
@@ -99,6 +103,10 @@ def to_representation(self, instance):
         response = {}
         user = self.context['request'].user.user
         for key, val in super_response.items():
+            if key == 'certificate':
+                if val:
+                    response[key] = urllib.parse.urljoin(BASE_URL, val)
+                continue
             response["id"] = val
             try:
                 workshop_status = WorkshopRegistration.objects.get(user=user, workshop_id=val).status
@@ -110,10 +118,11 @@ def to_representation(self, instance):
 
 class PresentationParticipationSerializer(serializers.ModelSerializer):
     presentation = serializers.PrimaryKeyRelatedField(queryset=PresentationSerializer.Meta.model.objects.all())
+    certificate = serializers.CharField(required=False, allow_blank=True, allow_null=True)
 
     class Meta:
         model = PresentationParticipation
-        fields = ('presentation',)
+        fields = ('presentation', 'certificate')
 
     def create(self, validated_data):
         user = self.context['request'].user.user
@@ -133,6 +142,10 @@ def to_representation(self, instance):
         response = {}
         user = self.context['request'].user.user
         for key, val in super_response.items():
+            if key == 'certificate':
+                if val:
+                    response[key] = urllib.parse.urljoin(BASE_URL, val)
+                continue
             response["id"] = val
             try:
                 presentation_status = PresentationParticipation.objects.get(user=user, presentation_id=val).status

backend/utils/image_uploader.py

@@ -1,5 +1,7 @@
 import os
 
+from aaiss_backend.settings import MEDIA_URL, BASE_URL
+
 
 def update_certificate_filename(instance, filename):
     path = "certificates/"
@@ -9,4 +11,4 @@ def update_certificate_filename(instance, filename):
         path += "workshop/"
     format = instance.certificate_uuid
     _, file_extension = os.path.splitext(filename)
-    return os.path.join(path, str(format) + file_extension)
+    return os.path.join(MEDIA_URL, path, str(format) + file_extension)