79 lines
2.7 KiB
Python
79 lines
2.7 KiB
Python
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"""
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Models for Book
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Series -> Work -> Edition
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Series is not fully implemented at the moment
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Goodreads
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Famous works have many editions
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Google Books:
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only has Edition level ("volume") data
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Douban:
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old editions has only CUBN(Chinese Unified Book Number)
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work data seems asymmetric (a book page links to a work page, but may not listed on that work page as one of the editions)
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"""
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from django.db import models
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from django.utils.translation import gettext_lazy as _
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from catalog.common import *
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from .utils import *
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class Edition(Item):
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isbn = PrimaryLookupIdDescriptor(IdType.ISBN)
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asin = PrimaryLookupIdDescriptor(IdType.ASIN)
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cubn = PrimaryLookupIdDescriptor(IdType.CUBN)
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# douban_book = LookupIdDescriptor(IdType.DoubanBook)
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# goodreads = LookupIdDescriptor(IdType.Goodreads)
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languages = jsondata.ArrayField(_("语言"), null=True, blank=True, default=list)
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publish_year = jsondata.IntegerField(_("发表年份"), null=True, blank=True)
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publish_month = jsondata.IntegerField(_("发表月份"), null=True, blank=True)
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pages = jsondata.IntegerField(blank=True, default=None)
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authors = jsondata.ArrayField(_('作者'), null=False, blank=False, default=list)
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translaters = jsondata.ArrayField(_('译者'), null=True, blank=True, default=list)
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publishers = jsondata.ArrayField(_('出版方'), null=True, blank=True, default=list)
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@property
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def isbn10(self):
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return isbn_13_to_10(self.isbn)
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@isbn10.setter
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def isbn10(self, value):
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self.isbn = isbn_10_to_13(value)
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def update_linked_items_from_extenal_page(self, page):
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"""add Work from page.metadata['work'] if not yet"""
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w = page.metadata.get('work', None)
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if w:
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work = Work.objects.filter(primary_lookup_id_type=w['lookup_id_type'], primary_lookup_id_value=w['lookup_id_value']).first()
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if work:
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if any(edition == self for edition in work.editions.all()):
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return
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else:
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work = Work.objects.create(primary_lookup_id_type=w['lookup_id_type'], primary_lookup_id_value=w['lookup_id_value'], title=w['title'])
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work.editions.add(self)
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class Work(Item):
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# douban_work = PrimaryLookupIdDescriptor(IdType.DoubanBook_Work)
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# goodreads_work = PrimaryLookupIdDescriptor(IdType.Goodreads_Work)
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editions = models.ManyToManyField(Edition, related_name='works') # , through='WorkEdition'
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# def __str__(self):
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# return self.title
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# class Meta:
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# proxy = True
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class Series(Item):
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# douban_serie = LookupIdDescriptor(IdType.DoubanBook_Serie)
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# goodreads_serie = LookupIdDescriptor(IdType.Goodreads_Serie)
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class Meta:
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proxy = True
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