feat: bulk actions API

files/models/utils.py

@@ -0,0 +1,99 @@
+from django.conf import settings
+from django.core.exceptions import ValidationError
+from django.utils.crypto import get_random_string
+
+from .. import helpers
+
+# this is used by Media and Encoding models
+# reflects media encoding status for objects
+MEDIA_ENCODING_STATUS = (
+    ("pending", "Pending"),
+    ("running", "Running"),
+    ("fail", "Fail"),
+    ("success", "Success"),
+)
+
+# the media state of a Media object
+# this is set by default according to the portal workflow
+MEDIA_STATES = (
+    ("private", "Private"),
+    ("public", "Public"),
+    ("unlisted", "Unlisted"),
+)
+
+# each uploaded Media gets a media_type hint
+# by helpers.get_file_type
+
+MEDIA_TYPES_SUPPORTED = (
+    ("video", "Video"),
+    ("image", "Image"),
+    ("pdf", "Pdf"),
+    ("audio", "Audio"),
+)
+
+ENCODE_EXTENSIONS = (
+    ("mp4", "mp4"),
+    ("webm", "webm"),
+    ("gif", "gif"),
+)
+
+ENCODE_RESOLUTIONS = (
+    (2160, "2160"),
+    (1440, "1440"),
+    (1080, "1080"),
+    (720, "720"),
+    (480, "480"),
+    (360, "360"),
+    (240, "240"),
+    (144, "144"),
+)
+
+CODECS = (
+    ("h265", "h265"),
+    ("h264", "h264"),
+    ("vp9", "vp9"),
+)
+
+ENCODE_EXTENSIONS_KEYS = [extension for extension, name in ENCODE_EXTENSIONS]
+ENCODE_RESOLUTIONS_KEYS = [resolution for resolution, name in ENCODE_RESOLUTIONS]
+
+
+def generate_uid():
+    return get_random_string(length=16)
+
+
+def original_media_file_path(instance, filename):
+    """Helper function to place original media file"""
+    file_name = f"{instance.uid.hex}.{helpers.get_file_name(filename)}"
+    return settings.MEDIA_UPLOAD_DIR + f"user/{instance.user.username}/{file_name}"
+
+
+def encoding_media_file_path(instance, filename):
+    """Helper function to place encoded media file"""
+
+    file_name = f"{instance.media.uid.hex}.{helpers.get_file_name(filename)}"
+    return settings.MEDIA_ENCODING_DIR + f"{instance.profile.id}/{instance.media.user.username}/{file_name}"
+
+
+def original_thumbnail_file_path(instance, filename):
+    """Helper function to place original media thumbnail file"""
+
+    return settings.THUMBNAIL_UPLOAD_DIR + f"user/{instance.user.username}/{filename}"
+
+
+def subtitles_file_path(instance, filename):
+    """Helper function to place subtitle file"""
+
+    return settings.SUBTITLES_UPLOAD_DIR + f"user/{instance.media.user.username}/{filename}"
+
+
+def category_thumb_path(instance, filename):
+    """Helper function to place category thumbnail file"""
+
+    file_name = f"{instance.uid}.{helpers.get_file_name(filename)}"
+    return settings.MEDIA_UPLOAD_DIR + f"categories/{file_name}"
+
+
+def validate_rating(value):
+    if -1 >= value or value > 5:
+        raise ValidationError("score has to be between 0 and 5")