feat: ApplicationAttachment

Author: emsoraffa

backend/samfundet/models/recruitment.py

@@ -167,6 +167,7 @@ class RecruitmentPosition(CustomBaseModel):
     # TODO: Implement interviewer functionality
     interviewers = models.ManyToManyField(to=User, help_text='Interviewers for the position', blank=True, related_name='interviewers')
 
+    #FIX: Add functionality for setting allowed attachments for application
     recruitment = models.ForeignKey(
         Recruitment,
         on_delete=models.CASCADE,
@@ -319,14 +320,15 @@ def resolve_gang(self, *, return_id: bool = False) -> Gang | int:
         return self.room.resolve_gang(return_id=return_id)
 
 
+
 class RecruitmentApplication(CustomBaseModel):
     # UUID so that applicants cannot see recruitment info with their own id number
     id = models.UUIDField(primary_key=True, default=uuid.uuid4, editable=False)
     application_text = models.TextField(help_text='Application text')
     recruitment_position = models.ForeignKey(
         RecruitmentPosition, on_delete=models.CASCADE, help_text='The position which is recruiting', related_name='applications'
     )
-    recruitment = models.ForeignKey(Recruitment, on_delete=models.CASCADE, help_text='The recruitment that is recruiting', related_name='applications')
+    recruitment = models.ForeignKey(Recruitment, on_delete=models.CASCADE, null=True, help_text='The recruitment that is recruiting', related_name='applications')
     user = models.ForeignKey(User, on_delete=models.CASCADE, help_text='The user that is applying', related_name='applications')
     applicant_priority = models.PositiveIntegerField(null=True, blank=True, help_text='The priority of the application')
 
@@ -490,6 +492,30 @@ def update_applicant_state(self) -> None:
                     application.applicant_state = RecruitmentApplicantStates.NOT_WANTED
                 application.save()
 
+class ApplicationFileAttachment(CustomBaseModel):
+    application = models.ForeignKey(RecruitmentApplication, 
+                                    on_delete=models.CASCADE, 
+                                    related_name="attachments", 
+                                    help_text="The recruitment application this file is attached to")
+    application_file = models.FileField(upload_to="some/path")
+    application_file_type = models.CharField(max_length=50, blank=True)
+
+    def clean(self) -> None:
+        super().clean()
+        if self.file:
+            file_type = self.file.content_type
+            self.file_type = file_type
+            allowed_types = [
+                'image/jpeg', 'image/png',  # Images
+                'video/mp4' # Video
+            ]
+            if file_type not in allowed_types:
+                raise ValidationError('Wrong filetype')
+            if self.file.size > 10 * 1024 * 1024:  # 10MB limit
+                raise ValidationError('File size must be less than 10MB.')
+
+    def __str__(self):
+        return f'Attachment for {self.application} - {self.file.name}'
 
 class RecruitmentInterviewAvailability(CustomBaseModel):
     """This models all possible times for interviews for the given recruitment.

backend/samfundet/serializers.py

@@ -54,6 +54,7 @@
     UserFeedbackModel,
 )
 from .models.recruitment import (
+    ApplicationFileAttachment,
     Interview,
     Recruitment,
     InterviewRoom,
@@ -80,6 +81,21 @@
 from rest_framework.utils.serializer_helpers import ReturnList
 
 
+class ApplicationFileAttachmentSerializer(CustomBaseSerializer):
+    class Meta:
+        model = ApplicationFileAttachment
+
+    def validate(self, attrs: dict) -> dict:
+        admission_image = attrs.get('admission_image')
+
+        # if admission_image:
+        #     is_image_valid(admission_image)
+        # else:
+        #     msg = 'Image is invalid'
+        #     raise serializers.ValidationError(msg, code="authorization")
+        # if
+
+
 class TagSerializer(CustomBaseSerializer):
     class Meta:
         model = Tag
@@ -1167,6 +1183,7 @@ class RecruitmentApplicationForGangSerializer(CustomBaseSerializer):
     interview = InterviewSerializer(read_only=False)
     interviewers = InterviewerSerializer(many=True, read_only=True)
     recruitment_position = RecruitmentPositionSerializer(read_only=True)
+    application_attachment = ApplicationFileAttachmentSerializer(read_only=True)
     application_count = serializers.SerializerMethodField(method_name='get_application_count', read_only=True)
 
     class Meta: