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import os
import sys
from bson.objectid import ObjectId
from datetime import datetime
import sqlalchemy as db
from sqlalchemy.ext.declarative import declarative_base
from sqlalchemy.orm import relationship, sessionmaker
BLOCKSIZE = 1024 ** 2
class Types(object):
class ObjectId(db.TypeDecorator):
impl = db.UnicodeText
def process_bind_param(self, value : ObjectId, dialect) -> str:
return str(value)
def process_result_value(self, value : str, dialect) -> ObjectId:
if value in [None, "None"]:
return ObjectId("0" * 24)
return ObjectId(value)
class List(db.TypeDecorator):
impl = db.UnicodeText
def process_bind_param(self, value : list, dialect) -> str:
return ";".join(i.replace(";", ",") for i in value)
def process_result_value(self, value : str, dialect) -> list:
return value.split(";") if value else []
Base = declarative_base()
class User(Base):
__tablename__ = "users"
id = db.Column(Types.ObjectId, primary_key=True, default=ObjectId)
name = db.Column(db.UnicodeText, nullable=False)
email = db.Column(db.UnicodeText)
hash = db.Column(db.String(512), nullable=False)
def json(self):
return {
"id" : self.id,
"name" : self.name,
"email" : self.email
}
class Upload(Base):
__tablename__ = "uploads"
id = db.Column(Types.ObjectId, primary_key=True, default=ObjectId)
title = db.Column(db.UnicodeText, nullable=False)
author_id = db.Column(Types.ObjectId, db.ForeignKey("users.id"), default=lambda: ObjectId("0"*24))
description = db.Column(db.UnicodeText, default="")
slug = db.Column(db.Text, nullable=False)
tags = db.Column(Types.List, default=list)
created_at = db.Column(db.DateTime, nullable=False, default=datetime.now)
updated_at = db.Column(db.DateTime, nullable=False, default=datetime.now, onupdate=datetime.now)
readonly = db.Column(db.Boolean, nullable=True, default=bool)
_v = db.Column(db.Integer, default=0)
author = relationship("User")
def json(self):
return {
"id" : self.id,
"title" : self.title,
"author" : self.author.json() if self.author else {"name" : "N/A"},
"description" : self.description,
"slug" : self.slug,
"tags" : self.tags,
"createdAt" : self.created_at.isoformat(),
"updatedAt" : self.updated_at.isoformat(),
"_v" : self._v
}
class File(Base):
__tablename__ = "files"
id = db.Column(Types.ObjectId, primary_key=True, default=ObjectId)
name = db.Column(db.Unicode(255), nullable=False)
hash = db.Column(db.String(40), nullable=False)
content_type = db.Column(db.String(255), default="application/octet-stream")
length = db.Column(db.BigInteger, default=0)
date = db.Column(db.DateTime, nullable=False, default=datetime.now)
upload_id = db.Column(Types.ObjectId, db.ForeignKey("uploads.id"))
download_url = db.Column(db.Text)
upload = relationship("Upload")
def json(self):
return {
"id" : self.id,
"filename" : self.name,
"metadata" : {
"hashes" : {
"sha1" : self.hash
}
},
"aliases" : None,
"content-type" : self.content_type,
"length" : self.length,
"chunkSize" : BLOCKSIZE,
"uploadDate" : self.date.isoformat()
}
class Comment(Base):
__tablename__ = "comments"
id = db.Column(Types.ObjectId, primary_key=True, default=ObjectId)
author_id = db.Column(Types.ObjectId, db.ForeignKey("users.id"))
upload_id = db.Column(Types.ObjectId, db.ForeignKey("uploads.id"))
created_at = db.Column(db.DateTime, nullable=False, default=datetime.now)
updated_at = db.Column(db.DateTime, nullable=False, default=datetime.now, onupdate=datetime.now)
body = db.Column(db.UnicodeText, nullable=False)
author = relationship("User")
upload = relationship("Upload")
def json(self):
return {
"id" : self.id,
"body" : self.body,
"author" : self.author.json(),
"upload" : self.upload.id,
"createdAt" : self.created_at.isoformat(),
"updatedAt" : self.updated_at.isoformat()
}
class Vote(Base):
__tablename__ = "votes"
id = db.Column(Types.ObjectId, primary_key=True, default=ObjectId)
author_id = db.Column(Types.ObjectId, db.ForeignKey("users.id"))
upload_id = db.Column(Types.ObjectId, db.ForeignKey("uploads.id"))
impact = db.Column(db.Integer, nullable=False)
author = relationship("User")
upload = relationship("Upload")
def json(self):
return {
"id" : self.id,
"author" : self.author.json(),
"upload" : self.upload.id,
"impact" : self.impact
}
#class Dependency(Base):
#__tablename__ = "dependencies"
#id = db.Column(db.Integer, primary_key=True, default=ObjectId)
#target_id = db.Column(Types.ObjectId, db.ForeignKey("uploads.id"))
##dependency_id = db.Column(Types.ObjectId, db.ForeignKey("uploads.id"))
#target = relationship("Upload", foreign_keys=[target_id])
##dependency = relationship("Upload", foreign_keys=[dependency_id])
engine = db.create_engine("sqlite:///parry.db")
Base.metadata.bind = engine
Base.metadata.create_all(engine)
DBSession = sessionmaker(bind=engine)
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