initial commit

core/utils.py

@@ -0,0 +1,72 @@
+import os
+from datetime import datetime
+
+from django.utils import timezone
+from django.utils.text import slugify
+
+
+def common_user_str(user):
+    if not user:
+        return ""
+    return user.full_name if user.full_name else user.mobile
+
+
+def common_datetime_str(datetime):
+    if not datetime:
+        return ""
+    try:
+        if timezone.is_aware(datetime):
+            datetime = timezone.localtime(datetime)
+        else:
+            datetime = timezone.make_aware(datetime, timezone.get_current_timezone())
+    except Exception:
+        pass
+    return datetime.strftime("%Y.%m.%d %H:%M")
+
+
+def common_date_str(datetime):
+    if not datetime:
+        return ""
+    try:
+        if timezone.is_aware(datetime):
+            datetime = timezone.localtime(datetime)
+        else:
+            datetime = timezone.make_aware(datetime, timezone.get_current_timezone())
+    except Exception:
+        pass
+    return datetime.strftime("%Y.%m.%d")
+
+
+def file_name_datetime_str():
+    dt = timezone.now()
+    return f"{dt.year}-{dt.month}-{dt.day}-{dt.hour}-{dt.minute}-{dt.second}"
+
+
+def upload_to_by_date(instance, filename):
+    today = datetime.now()
+    timestamp = today.strftime("%Y%m%d%H%M%S")
+    file_extension = os.path.splitext(filename)[1]
+    new_filename = f"{timestamp}{file_extension}"
+    return os.path.join(f"storage/{today.year}/", new_filename)
+
+
+def calculate_age(birth_date):
+    """
+    Helper Function  to calculate age from birth date
+    """
+    if not birth_date:
+        return None
+
+    today = timezone.localdate()
+    age = today.year - birth_date.year - int((today.month, today.day) < (birth_date.month, birth_date.day))
+    return age
+
+
+def generate_slug(title, Object, pk):
+    base_slug = slugify(title, allow_unicode=True)
+    slug = base_slug
+    counter = 2
+    while slug and Object.objects.filter(slug=slug).exclude(pk=pk).exists():
+        slug = f"{base_slug}-{counter}"
+        counter += 1
+    return slug