67 lines
2.7 KiB
Python
67 lines
2.7 KiB
Python
import os
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from datetime import datetime, timezone
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from typing import Optional
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import sqlalchemy as sa
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import sqlalchemy.orm as so
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from werkzeug.security import generate_password_hash, check_password_hash
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import pydenticon, hashlib, base64
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from app import db, login
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from flask_login import UserMixin
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class User(UserMixin, db.Model):
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id: so.Mapped[int] = so.mapped_column(primary_key=True)
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username: so.Mapped[str] = so.mapped_column(sa.String(64), index=True, unique=True)
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email: so.Mapped[str] = so.mapped_column(sa.String(120), index=True, unique=True)
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password_hash: so.Mapped[Optional[str]] = so.mapped_column(sa.String(256))
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posts: so.WriteOnlyMapped['Post'] = so.relationship(back_populates='author')
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def set_password(self, password):
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self.password_hash = generate_password_hash(password)
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def check_password(self, password):
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return check_password_hash(self.password_hash, password)
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def gen_avatar(self, write_png=True):
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foreground = [ "rgb(45,79,255)",
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"rgb(254,180,44)",
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"rgb(226,121,234)",
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"rgb(30,179,253)",
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"rgb(232,77,65)",
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"rgb(49,203,115)",
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"rgb(141,69,170)" ]
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background = "rgb(22,22,22)"
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digest = hashlib.md5(self.email.lower().encode('utf-8')).hexdigest()
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basedir = os.path.abspath(os.path.dirname(__file__))
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pngloc = os.path.join(basedir, 'usercontent', 'identicon', str(digest) + '.png')
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icongen = pydenticon.Generator(5, 5, digest=hashlib.md5, foreground=foreground, background=background)
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pngicon = icongen.generate(self.email, 120, 120, padding=(10, 10, 10, 10), inverted=False, output_format="png")
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if write_png:
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pngfile = open(pngloc, "wb")
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pngfile.write(pngicon)
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pngfile.close()
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else:
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return str(base64.b64encode(pngicon))[2:-1]
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def avatar(self):
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digest = hashlib.md5(self.email.lower().encode('utf-8')).hexdigest()
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basedir = os.path.abspath(os.path.dirname(__file__))
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pngloc = os.path.join(basedir, 'usercontent', 'identicon', digest + '.png')
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return pngloc
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def __repr__(self):
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return '<User {}>'.format(self.username)
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class Post(db.Model):
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id: so.Mapped[int] = so.mapped_column(primary_key=True)
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body: so.Mapped[str] = so.mapped_column(sa.String(140))
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timestamp: so.Mapped[datetime] = so.mapped_column(index=True, default=lambda: datetime.now(timezone.utc))
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user_id: so.Mapped[int] = so.mapped_column(sa.ForeignKey(User.id), index=True)
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author: so.Mapped[User] = so.relationship(back_populates='posts')
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def __repr__(self):
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return '<Post {}>'.format(self.body)
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@login.user_loader
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def load_user(id):
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return db.session.get(User, int(id))
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