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from sqlalchemy import create_engine, Table, Column, String, Integer, DateTime
import sqlalchemy.sql.functions as func
from sqlalchemy_utc import UtcDateTime, utcnow
from wtforms_alchemy import ModelForm
from app.sql.common import db, Base, Session
from app.sql.columns.hash_column import HashColumn
from app.sql.columns.media_type_column import MediaTypeColumn
from app.utils.file_utils import sha256_tree
from app.settings import app_cfg
from os.path import join
class Upload(Base):
"""Table for storing references to various media"""
__tablename__ = 'uploads'
id = Column(Integer, primary_key=True)
sha256 = Column(HashColumn(32), nullable=False)
ext = Column(String(4, convert_unicode=True), nullable=False)
username = Column(String(16, convert_unicode=True), nullable=False)
created_at = Column(UtcDateTime(), default=utcnow())
def toJSON(self):
return {
'id': self.id,
'sha256': self.sha256,
'ext': self.ext,
'username': self.username,
'url': self.url(),
'created_at': self.created_at,
}
def filename(self):
return "{}{}".format(self.sha256, self.ext)
def filepath(self):
return join(app_cfg.DIR_UPLOADS, sha256_tree(self.sha256))
def fullpath(self):
return join(self.filepath(), self.filename())
def url(self):
return join(app_cfg.URL_UPLOADS, sha256_tree(self.sha256), self.filename())
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