series of tests added with built-in django test support

media/models.py

@@ -5,6 +5,9 @@ from django.contrib.contenttypes.models import ContentType
 from django.utils.text import slugify
 from django.conf import settings
 import os
+from PIL import Image, ExifTags
+from PIL.ExifTags import TAGS
+from datetime import datetime
 from .storage import MediaStorage
 from rides.models import Ride
 from django.utils import timezone
@@ -56,6 +59,7 @@ class Photo(models.Model):
     is_approved = models.BooleanField(default=False)  # New field for approval status
     created_at = models.DateTimeField(auto_now_add=True)
     updated_at = models.DateTimeField(auto_now=True)
+    date_taken = models.DateTimeField(null=True, blank=True)
     uploaded_by = models.ForeignKey(
         settings.AUTH_USER_MODEL,
         on_delete=models.SET_NULL,
@@ -76,8 +80,29 @@ class Photo(models.Model):
     
     def __str__(self) -> str:
         return f"{self.content_type} - {self.content_object} - {self.caption or 'No caption'}"
+
+    def extract_exif_date(self) -> Optional[datetime]:
+        """Extract the date taken from image EXIF data"""
+        try:
+            with Image.open(self.image) as img:
+                exif = img.getexif()
+                if exif:
+                    # Find the DateTime tag ID
+                    for tag_id in ExifTags.TAGS:
+                        if ExifTags.TAGS[tag_id] == 'DateTimeOriginal':
+                            if tag_id in exif:
+                                # EXIF dates are typically in format: '2024:02:15 14:30:00'
+                                date_str = exif[tag_id]
+                                return datetime.strptime(date_str, '%Y:%m:%d %H:%M:%S')
+            return None
+        except Exception:
+            return None
     
     def save(self, *args: Any, **kwargs: Any) -> None:
+        # Extract EXIF date if this is a new photo
+        if not self.pk and not self.date_taken:
+            self.date_taken = self.extract_exif_date()
+
         # Set default caption if not provided
         if not self.caption and self.uploaded_by:
             current_time = timezone.now()