nopaque/app/converters/sandpaper.py
2024-09-25 17:46:53 +02:00

101 lines
3.9 KiB
Python

from datetime import datetime
from flask import current_app
from pathlib import Path
import json
import shutil
from app import db
from app.models import User, Corpus, CorpusFile
class SandpaperConverter:
def __init__(self, json_db_file: Path, data_dir: Path):
self.json_db_file = json_db_file
self.data_dir = data_dir
def run(self):
with self.json_db_file.open('r') as f:
json_db: list[dict] = json.load(f)
for json_user in json_db:
if not json_user['confirmed']:
current_app.logger.info(f'Skip unconfirmed user {json_user["username"]}')
continue
user_dir = self.data_dir / f'{json_user["id"]}'
self.convert_user(json_user, user_dir)
db.session.commit()
def convert_user(self, json_user: dict, user_dir: Path):
current_app.logger.info(f'Create User {json_user["username"]}...')
try:
user = User.create(
confirmed=json_user['confirmed'],
email=json_user['email'],
last_seen=datetime.fromtimestamp(json_user['last_seen']),
member_since=datetime.fromtimestamp(json_user['member_since']),
password_hash=json_user['password_hash'], # TODO: Needs to be added manually
username=json_user['username']
)
except OSError:
raise Exception('Internal Server Error')
for json_corpus in json_user['corpora'].values():
if not json_corpus['files'].values():
current_app.logger.info(f'Skip empty corpus {json_corpus["title"]}')
continue
corpus_dir = user_dir / 'corpora' / f'{json_corpus["id"]}'
self.convert_corpus(json_corpus, user, corpus_dir)
current_app.logger.info('Done')
def convert_corpus(self, json_corpus: dict, user: User, corpus_dir: Path):
current_app.logger.info(f'Create Corpus {json_corpus["title"]}...')
try:
corpus = Corpus.create(
user=user,
creation_date=datetime.fromtimestamp(json_corpus['creation_date']),
description=json_corpus['description'],
title=json_corpus['title']
)
except OSError:
raise Exception('Internal Server Error')
for json_corpus_file in json_corpus['files'].values():
self.convert_corpus_file(json_corpus_file, corpus, corpus_dir)
current_app.logger.info('Done')
def convert_corpus_file(self, json_corpus_file: dict, corpus: Corpus, corpus_dir: Path):
current_app.logger.info(f'Create CorpusFile {json_corpus_file["title"]}...')
corpus_file = CorpusFile(
corpus=corpus,
address=json_corpus_file['address'],
author=json_corpus_file['author'],
booktitle=json_corpus_file['booktitle'],
chapter=json_corpus_file['chapter'],
editor=json_corpus_file['editor'],
filename=json_corpus_file['filename'],
institution=json_corpus_file['institution'],
journal=json_corpus_file['journal'],
mimetype='application/vrt+xml',
pages=json_corpus_file['pages'],
publisher=json_corpus_file['publisher'],
publishing_year=json_corpus_file['publishing_year'],
school=json_corpus_file['school'],
title=json_corpus_file['title']
)
db.session.add(corpus_file)
db.session.flush(objects=[corpus_file])
db.session.refresh(corpus_file)
try:
shutil.copy2(
corpus_dir / json_corpus_file['filename'],
corpus_file.path
)
except:
current_app.logger.warning(
'Can not convert corpus file: '
f'{corpus_dir / json_corpus_file["filename"]}'
' -> '
f'{corpus_file.path}'
)
current_app.logger.info('Done')