forked from mirrors/bookwyrm
84 lines
3.5 KiB
Python
84 lines
3.5 KiB
Python
''' database schema for books and shelves '''
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from datetime import datetime
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from django.db import models
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from uuid import uuid4
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from fedireads.settings import DOMAIN
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from fedireads.utils.fields import JSONField, ArrayField
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from fedireads.utils.models import FedireadsModel
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class Book(FedireadsModel):
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''' a generic book, which can mean either an edition or a work '''
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# these identifiers apply to both works and editions
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openlibrary_key = models.CharField(max_length=255, unique=True, null=True)
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librarything_key = models.CharField(max_length=255, unique=True, null=True)
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local_key = models.CharField(max_length=255, unique=True, default=uuid4)
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misc_identifiers = JSONField(null=True)
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# info about where the data comes from and where/if to sync
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origin = models.CharField(max_length=255, unique=True, null=True)
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local_edits = models.BooleanField(default=False)
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sync = models.BooleanField(default=True)
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last_sync_date = models.DateTimeField(default=datetime.now)
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# TODO: edit history
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# book/work metadata
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title = models.CharField(max_length=255)
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sort_title = models.CharField(max_length=255, null=True)
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subtitle = models.TextField(blank=True, null=True)
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description = models.TextField(blank=True, null=True)
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language = models.CharField(max_length=255, null=True)
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series = models.CharField(max_length=255, blank=True, null=True)
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series_number = models.CharField(max_length=255, blank=True, null=True)
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# TODO: include an annotation about the type of authorship (ie, translator)
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authors = models.ManyToManyField('Author')
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# TODO: also store cover thumbnail
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cover = models.ImageField(upload_to='covers/', blank=True, null=True)
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first_published_date = models.DateTimeField(null=True)
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published_date = models.DateTimeField(null=True)
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shelves = models.ManyToManyField(
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'Shelf',
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symmetrical=False,
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through='ShelfBook',
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through_fields=('book', 'shelf')
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)
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# TODO: why can't I just call this work????
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parent_work = models.ForeignKey('Work', on_delete=models.PROTECT, null=True)
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@property
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def absolute_id(self):
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''' constructs the absolute reference to any db object '''
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base_path = 'https://%s' % DOMAIN
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model_name = type(self).__name__.lower()
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return '%s/%s/%s' % (base_path, model_name, self.openlibrary_key)
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class Work(Book):
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''' a work (an abstract concept of a book that manifests in an edition) '''
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# library of congress catalog control number
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lccn = models.CharField(max_length=255, unique=True, null=True)
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class Edition(Book):
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''' an edition of a book '''
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# these identifiers only apply to work
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isbn = models.CharField(max_length=255, unique=True, null=True)
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oclc_number = models.CharField(max_length=255, unique=True, null=True)
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pages = models.IntegerField(null=True)
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class Author(FedireadsModel):
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''' copy of an author from OL '''
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openlibrary_key = models.CharField(max_length=255, null=True, unique=True)
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wikipedia_link = models.CharField(max_length=255, blank=True, null=True)
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# idk probably other keys would be useful here?
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born = models.DateTimeField(null=True)
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died = models.DateTimeField(null=True)
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name = models.CharField(max_length=255)
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last_name = models.CharField(max_length=255, null=True)
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first_name = models.CharField(max_length=255, null=True)
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aliases = ArrayField(models.CharField(max_length=255), blank=True, default=list)
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bio = models.TextField(null=True, blank=True)
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