bookwyrm/bookwyrm/models/author.py
Adeodato Simó 416a6caf2d
Define author_search_vector_trigger via Author.Meta.triggers
Previously, triggers lived only in a particular migration file. With
this change, code for the triggers resides in the model, and their
lifecycle is managed through normal Django migrations.
2023-11-25 16:17:51 -03:00

99 lines
3.2 KiB
Python

""" database schema for info about authors """
import re
from typing import Tuple, Any
from django.db import models
import pgtrigger
from bookwyrm import activitypub
from bookwyrm.settings import DOMAIN
from bookwyrm.utils.db import format_trigger
from .book import BookDataModel
from . import fields
class Author(BookDataModel):
"""basic biographic info"""
wikipedia_link = fields.CharField(
max_length=255, blank=True, null=True, deduplication_field=True
)
isni = fields.CharField(
max_length=255, blank=True, null=True, deduplication_field=True
)
gutenberg_id = fields.CharField(
max_length=255, blank=True, null=True, deduplication_field=True
)
isfdb = fields.CharField(
max_length=255, blank=True, null=True, deduplication_field=True
)
website = fields.CharField(
max_length=255, blank=True, null=True, deduplication_field=True
)
# idk probably other keys would be useful here?
born = fields.DateTimeField(blank=True, null=True)
died = fields.DateTimeField(blank=True, null=True)
name = fields.CharField(max_length=255)
aliases = fields.ArrayField(
models.CharField(max_length=255), blank=True, default=list
)
bio = fields.HtmlField(null=True, blank=True)
def save(self, *args: Tuple[Any, ...], **kwargs: dict[str, Any]) -> None:
"""normalize isni format"""
if self.isni:
self.isni = re.sub(r"\s", "", self.isni)
return super().save(*args, **kwargs)
@property
def isni_link(self):
"""generate the url from the isni id"""
clean_isni = re.sub(r"\s", "", self.isni)
return f"https://isni.org/isni/{clean_isni}"
@property
def openlibrary_link(self):
"""generate the url from the openlibrary id"""
return f"https://openlibrary.org/authors/{self.openlibrary_key}"
@property
def isfdb_link(self):
"""generate the url from the isni id"""
return f"https://www.isfdb.org/cgi-bin/ea.cgi?{self.isfdb}"
def get_remote_id(self):
"""editions and works both use "book" instead of model_name"""
return f"https://{DOMAIN}/author/{self.id}"
class Meta:
"""sets up indexes and triggers"""
triggers = [
pgtrigger.Trigger(
name="reset_search_vector_on_author_edit",
when=pgtrigger.After,
operation=pgtrigger.UpdateOf("name"),
func=format_trigger(
"""WITH book AS (
SELECT bookwyrm_book.id AS row_id
FROM bookwyrm_author
LEFT OUTER JOIN bookwyrm_book_authors
ON bookwyrm_book_authors.id = new.id
LEFT OUTER JOIN bookwyrm_book
ON bookwyrm_book.id = bookwyrm_book_authors.book_id
)
UPDATE bookwyrm_book
SET search_vector = ''
FROM book
WHERE id = book.row_id;
RETURN new;
"""
),
)
]
activity_serializer = activitypub.Author