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102 lines
3.0 KiB
Python
102 lines
3.0 KiB
Python
from flask import current_app, url_for
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from flask_hashids import HashidMixin
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import os
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from app import db
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from .corpus import CorpusStatus
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from .file_mixin import FileMixin
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class CorpusFile(FileMixin, HashidMixin, db.Model):
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__tablename__ = 'corpus_files'
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# Primary key
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id = db.Column(db.Integer, primary_key=True)
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# Foreign keys
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corpus_id = db.Column(db.Integer, db.ForeignKey('corpora.id'))
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# Fields
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author = db.Column(db.String(255))
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description = db.Column(db.String(255))
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publishing_year = db.Column(db.Integer)
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title = db.Column(db.String(255))
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address = db.Column(db.String(255))
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booktitle = db.Column(db.String(255))
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chapter = db.Column(db.String(255))
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editor = db.Column(db.String(255))
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institution = db.Column(db.String(255))
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journal = db.Column(db.String(255))
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pages = db.Column(db.String(255))
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publisher = db.Column(db.String(255))
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school = db.Column(db.String(255))
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# Relationships
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corpus = db.relationship(
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'Corpus',
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back_populates='files'
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)
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@property
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def download_url(self):
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return url_for(
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'corpora.download_corpus_file',
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corpus_id=self.corpus_id,
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corpus_file_id=self.id
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)
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@property
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def jsonpatch_path(self):
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return f'{self.corpus.jsonpatch_path}/files/{self.hashid}'
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@property
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def path(self):
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return os.path.join(self.corpus.path, 'files', str(self.id))
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@property
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def url(self):
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return url_for(
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'corpora.corpus_file',
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corpus_id=self.corpus_id,
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corpus_file_id=self.id
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)
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@property
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def user_hashid(self):
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return self.corpus.user.hashid
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@property
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def user_id(self):
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return self.corpus.user_id
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def delete(self):
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try:
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os.remove(self.path)
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except OSError as e:
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current_app.logger.error(e)
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db.session.delete(self)
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self.corpus.status = CorpusStatus.UNPREPARED
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def to_json_serializeable(self, backrefs=False, relationships=False):
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json_serializeable = {
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'id': self.hashid,
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'address': self.address,
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'author': self.author,
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'description': self.description,
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'booktitle': self.booktitle,
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'chapter': self.chapter,
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'editor': self.editor,
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'institution': self.institution,
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'journal': self.journal,
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'pages': self.pages,
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'publisher': self.publisher,
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'publishing_year': self.publishing_year,
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'school': self.school,
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'title': self.title,
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**self.file_mixin_to_json_serializeable(
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backrefs=backrefs,
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relationships=relationships
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)
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}
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if backrefs:
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json_serializeable['corpus'] = \
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self.corpus.to_json_serializeable(backrefs=True)
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if relationships:
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pass
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return json_serializeable
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