from datetime import datetime
import os
import json
from django.utils import timezone
from tqdm.auto import tqdm
from PIL import Image as PillowImage
from django.core.management.base import BaseCommand
from apps.files.models import (
FileNameModel,
PostFileModel,
)
from apps.archive.models import (
SourceSiteModel,
CategoryModel,
CreatorModel,
PostModel,
DescriptionModel,
CreatorDescription,
PostDescription,
TagModel,
)
from utils.hash import compute_string_hash_blake3, compute_file_hash_blake3
from utils.files import get_mime_type, categorize_mime_type
from apps.files.tasks import (
generate_blur_hash_PostFile,
generate_md5_hash_PostFile,
generate_video_thumbnail,
)
class Command(BaseCommand):
help = "Import data from JSON files in a folder or a single JSON file to the Twitter archive"
def add_arguments(self, parser):
parser.add_argument(
"path",
type=str,
help="Path to the folder containing JSON files or a single JSON file",
)
parser.add_argument(
"--delete", action="store_true", help="Delete imported files"
)
def handle(self, *args, **kwargs):
path = kwargs["path"]
delete = kwargs["delete"]
if os.path.isfile(path):
self.process_json_file(path, delete)
elif os.path.isdir(path):
self.process_json_folder(path, delete)
else:
self.stdout.write(
self.style.ERROR(f"The path '{path}' is not a valid file or folder.")
)
return
def process_json_file(self, file_path, delete):
# self.stdout.write(self.style.NOTICE(f"Importing data from: {file_path}"))
tqdm.write(f"Importing data from: {file_path}")
with open(file_path, "r") as f:
data = json.load(f)
self.import_data(data, file_path, delete)
# self.stdout.write(self.style.SUCCESS('Data imported successfully.'))
tqdm.write(self.style.SUCCESS("Data imported successfully."))
def process_json_folder(self, folder_path, delete):
if not os.path.exists(folder_path):
# self.stdout.write(self.style.ERROR(f"The folder '{folder_path}' does not exist."))
tqdm.write(self.style.ERROR(f"The folder '{folder_path}' does not exist."))
return
# Use os.walk dynamically, and count total files to show progress incrementally
tqdm.write("Counting total files...")
total_files = sum(len(files) for _, _, files in os.walk(folder_path))
with tqdm(
total=total_files, desc="Processing JSON files", dynamic_ncols=True
) as progress_bar:
for root, dirs, files in os.walk(folder_path):
for file_name in files:
progress_bar.update(1) # Increment progress for each file
if file_name.endswith(".json"):
file_path = os.path.join(root, file_name)
self.process_json_file(file_path, delete)
def import_file(self, file_path, model, delete=False):
"""
Imports a file if it doesn't already exist in the database and returns the instance.
:param file_path: The path to the file to import.
:param model: The model class to which the file instance should be linked.
:param delete: Whether to delete the imported file after processing.
:return: The file instance.
"""
file_instance = None # Initialize file_instance to None
if os.path.exists(file_path):
file_hash = compute_file_hash_blake3(file_path, logger=self)
file_name = os.path.basename(file_path)
_, file_ext = os.path.splitext(file_name)
hash_file_name = file_hash + file_ext
file_name_instance, _ = FileNameModel.objects.get_or_create(
filename=file_name
)
file_instance, created = PostFileModel.objects.get_or_create(
hash_blake3=file_hash
)
if created:
with open(file_path, "rb") as file:
file_instance.file.save(hash_file_name, file)
file_instance.save()
file_instance.name.add(file_name_instance)
file_instance.extension = file_ext
file_instance.size = os.path.getsize(file_path)
file_mime = get_mime_type(file_path)
file_type = categorize_mime_type(file_mime)
file_instance.file_type = file_type
file_instance.mimetype = file_mime
file_instance.save()
if file_instance.mimetype.startswith("image/"):
# Add Image blur hash if not existing.
if not file_instance.blur_hash:
generate_blur_hash_PostFile.delay(file_instance.id)
# Get image resolution
im = PillowImage.open(file_instance.file)
file_instance.height, file_instance.width = im.size
file_instance.save()
if file_instance.file_type in ["video", "gif"]:
if not file_instance.thumbnail:
generate_video_thumbnail.delay(file_instance.id)
if not file_instance.hash_md5:
generate_md5_hash_PostFile.delay(file_instance.id)
if created:
tqdm.write(
self.style.SUCCESS(
f"Imported: {file_path} file, new instance created"
)
)
else:
tqdm.write(
self.style.SUCCESS(f"Imported: {file_path} file, instance updated")
)
# Delete the imported file if the --delete flag is used
self.delete_imported_file(file_path, delete)
return file_instance
def delete_imported_file(self, file_path, delete=False):
"""
Delete the file if the --delete flag is used
:param delete: Whether to delete the imported file after processing.
"""
if delete:
if os.path.exists(file_path):
os.remove(file_path)
tqdm.write(self.style.SUCCESS(f"Deleted: {file_path}"))
else:
tqdm.write(self.style.WARNING(f"File not found: {file_path}"))
def import_data(self, data, file_path_json, delete):
""" """
# Get source site and create it if it doesn't exist
category = data.get("category")
source_site_instance, Null = SourceSiteModel.objects.get_or_create(
slug=category
)
source_site_instance.save()
if category == "twitter":
if "author" in data.keys():
creator_instance, Null = CreatorModel.objects.get_or_create(
slug=data["author"]["name"], source_site=source_site_instance
)
creator_instance.creator_id = data["author"]["id"]
creator_instance.name = data["author"]["nick"]
if "description" in data["author"].keys():
description_text = data["author"]["description"]
description_hash = compute_string_hash_blake3(
description_text, logger=self
)
description_instance, created = (
DescriptionModel.objects.get_or_create(hash=description_hash)
)
if created:
description_instance.content = description_text
description_instance.save()
# Add to CreatorDescription through model with a custom date_imported
creator_description_instance, created = (
CreatorDescription.objects.get_or_create(
creator=creator_instance, description=description_instance
)
)
creator_description_instance.date_imported = timezone.make_aware(
datetime.fromtimestamp(os.path.getmtime(file_path_json))
)
creator_description_instance.save()
creator_instance.date_created = timezone.make_aware(
datetime.strptime(data["author"]["date"], "%Y-%m-%d %H:%M:%S")
)
creator_instance.save()
post_instance, Null = PostModel.objects.get_or_create(
post_id=data["tweet_id"], source_site=source_site_instance
)
if "subcategory" in data.keys():
category_instance, _ = CategoryModel.objects.get_or_create(
slug=data["subcategory"]
)
if _:
category_instance.name = data["subcategory"].capitalize()
category_instance.save()
creator_instance.refresh_from_db()
creator_instance.categories.add(category_instance)
creator_instance.save()
post_instance.category.add(category_instance)
post_instance.creator = creator_instance
post_instance.date_created = timezone.make_aware(
datetime.strptime(data["date"], "%Y-%m-%d %H:%M:%S"),
)
if "sensitive" in data.keys():
if data["sensitive"]:
post_instance.mature = data["sensitive"]
if "content" in data.keys():
description_text = data["content"]
description_hash = compute_string_hash_blake3(description_text, logger=self)
description_instance, created = DescriptionModel.objects.get_or_create(
hash=description_hash
)
description_instance.save()
if created:
description_instance.date_created = timezone.make_aware(
datetime.strptime(data["date"], "%Y-%m-%d %H:%M:%S")
)
description_instance.content = description_text
description_instance.save()
post_description_instance, created = PostDescription.objects.get_or_create(
post=post_instance, description=description_instance
)
if created:
post_description_instance.date_imported = timezone.make_aware(
datetime.fromtimestamp(os.path.getmtime(file_path_json))
)
post_description_instance.save()
post_instance.description.add(description_instance)
if "hashtags" in data.keys():
for tag in data["hashtags"]:
tag_instance, Null = TagModel.objects.get_or_create(slug=tag)
if tag_instance.name == "":
tag_instance.name = tag
tag_instance.save()
post_instance.tags.add(tag_instance)
file_path = file_path_json.removesuffix(".json")
# Handle file import
file_instance = self.import_file(file_path, PostFileModel, delete)
if file_instance:
post_instance.files.add(file_instance)
if category_instance.slug == "avatar":
creator_instance.refresh_from_db()
creator_instance.avatar = file_instance
creator_instance.save()
if category_instance.slug == "background":
creator_instance.refresh_from_db()
creator_instance.banner = file_instance
creator_instance.save()
post_instance.save()