mirror of
https://github.com/bookwyrm-social/bookwyrm.git
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92 lines
2.7 KiB
Python
92 lines
2.7 KiB
Python
''' activitystream api and books '''
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from django.core.exceptions import ObjectDoesNotExist
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from django.core.files.base import ContentFile
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import requests
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from fedireads.models import Author, Book, Work
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from fedireads.settings import OL_URL
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def get_or_create_book(olkey, user=None, update=False):
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''' add a book '''
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# TODO: check if this is a valid open library key, and a book
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olkey = olkey
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# get the existing entry from our db, if it exists
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try:
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book = Book.objects.get(openlibrary_key=olkey)
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if not update:
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return book
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# we have the book, but still want to update it from OL
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except ObjectDoesNotExist:
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# no book was found, so we start creating a new one
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book = Book(openlibrary_key=olkey)
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# load the book json from openlibrary.org
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response = requests.get(OL_URL + olkey + '.json')
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if not response.ok:
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response.raise_for_status()
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data = response.json()
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book.data = data
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if user and user.is_authenticated:
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book.added_by = user
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# great, we can update our book.
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book.save()
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# we also need to know the author and works related to this book.
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for work_id in data['works']:
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work_id = work_id['key']
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book.works.add(get_or_create_work(work_id))
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for author_id in data['authors']:
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author_id = author_id['key']
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book.authors.add(get_or_create_author(author_id))
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if len(data['covers']):
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book.cover.save(*get_cover(data['covers'][0]), save=True)
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return book
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def get_cover(cover_id):
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''' ask openlibrary for the cover '''
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image_name = '%s-M.jpg' % cover_id
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url = 'https://covers.openlibrary.org/b/id/%s' % image_name
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response = requests.get(url)
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if not response.ok:
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response.raise_for_status()
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image_content = ContentFile(requests.get(url).content)
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return [image_name, image_content]
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def get_or_create_work(olkey):
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''' load em up '''
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# TODO: validate that this is a work key
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# TODO: error handling
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try:
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work = Work.objects.get(openlibrary_key=olkey)
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except ObjectDoesNotExist:
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response = requests.get(OL_URL + olkey + '.json')
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data = response.json()
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work = Work(openlibrary_key=olkey, data=data)
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work.save()
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return work
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def get_or_create_author(olkey):
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''' load that author '''
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# TODO: validate that this is an author key
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# TODO: error handling
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try:
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author = Author.objects.get(openlibrary_key=olkey)
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except ObjectDoesNotExist:
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response = requests.get(OL_URL + olkey + '.json')
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data = response.json()
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author = Author(openlibrary_key=olkey, data=data)
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author.save()
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return author
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