mirror of
https://git.wownero.com/wownero/wownero-funding-system.git
synced 2024-08-15 00:53:45 +00:00
465 lines
No EOL
16 KiB
Python
465 lines
No EOL
16 KiB
Python
from datetime import datetime
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import sqlalchemy as sa
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from sqlalchemy.orm import scoped_session, sessionmaker, relationship
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from sqlalchemy.ext.declarative import declarative_base
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import settings
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base = declarative_base(name="Model")
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class User(base):
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__tablename__ = "users"
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id = sa.Column('user_id', sa.Integer, primary_key=True)
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username = sa.Column(sa.String(20), unique=True, index=True)
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password = sa.Column(sa.String(60))
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email = sa.Column(sa.String(50), unique=True, index=True)
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registered_on = sa.Column(sa.DateTime)
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admin = sa.Column(sa.Boolean, default=False)
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proposals = relationship('Proposal', back_populates="user")
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comments = relationship("Comment", back_populates="user")
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def __init__(self, username, password, email):
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from funding.factory import bcrypt
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self.username = username
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self.password = bcrypt.generate_password_hash(password).decode('utf8')
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self.email = email
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self.registered_on = datetime.utcnow()
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@property
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def is_authenticated(self):
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return True
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@property
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def is_active(self):
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return True
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@property
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def is_anonymous(self):
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return False
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@property
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def is_admin(self):
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return self.admin
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def get_id(self):
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return self.id
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def __repr__(self):
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return self.username
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@classmethod
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def add(cls, username, password, email):
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from funding.factory import db_session
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from funding.validation import val_username, val_email
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try:
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# validate incoming username/email
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val_username(username)
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val_email(email)
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user = User(username, password, email)
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db_session.add(user)
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db_session.commit()
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db_session.flush()
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return user
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except Exception as ex:
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db_session.rollback()
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raise
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class Proposal(base):
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__tablename__ = "proposals"
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id = sa.Column(sa.Integer, primary_key=True)
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headline = sa.Column(sa.VARCHAR, nullable=False)
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content = sa.Column(sa.VARCHAR, nullable=False)
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category = sa.Column(sa.VARCHAR, nullable=False)
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date_added = sa.Column(sa.TIMESTAMP, default=datetime.now)
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html = sa.Column(sa.VARCHAR)
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last_edited = sa.Column(sa.TIMESTAMP)
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# the FFS target
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funds_target = sa.Column(sa.Float, nullable=False)
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# the FFS progress (cached)
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funds_progress = sa.Column(sa.Float, nullable=False, default=0)
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# the FFS withdrawal amount (paid to the author)
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funds_withdrew = sa.Column(sa.Float, nullable=False, default=0)
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# the FFS receiving and withdrawal addresses
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addr_donation = sa.Column(sa.VARCHAR)
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addr_receiving = sa.Column(sa.VARCHAR)
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# proposal status:
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# 0: disabled
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# 1: proposed
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# 2: funding required
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# 3: wip
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# 4: completed
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status = sa.Column(sa.INTEGER, default=1)
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user_id = sa.Column(sa.Integer, sa.ForeignKey('users.user_id'))
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user = relationship("User", back_populates="proposals")
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payouts = relationship("Payout", back_populates="proposal")
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comments = relationship("Comment", back_populates="proposal", lazy='select')
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def __init__(self, headline, content, category, user: User):
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if not headline or not content:
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raise Exception('faulty proposal')
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self.headline = headline
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self.content = content
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self.user_id = user.id
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if category not in settings.FUNDING_CATEGORIES:
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raise Exception('wrong category')
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self.category = category
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@property
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def json(self):
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return {
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'date_posted_epoch': self.date_added.strftime('%s'),
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'date_posted': self.date_added.strftime('%b %d %Y %H:%M:%S'),
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'headline': self.headline,
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'content_markdown': self.content,
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'category': self.category,
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'funds_target': self.funds_target,
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'funded_pct': self.funds_progress,
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'addr_donation': self.addr_donation,
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'status': self.status,
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'user': self.user.username,
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'id': self.id
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}
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@classmethod
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def find_by_id(cls, pid: int):
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from funding.factory import db_session
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q = cls.query
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q = q.filter(Proposal.id == pid)
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result = q.first()
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if not result:
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return
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# check if we have a valid addr_donation generated. if not, make one.
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if not result.addr_donation and result.status == 2:
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from funding.bin.daemon import Daemon
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Proposal.generate_donation_addr(result)
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return result
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@property
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def funds_target_usd(self):
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from funding.bin.utils import Summary, coin_to_usd
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prices = Summary.fetch_prices()
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if not prices:
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return
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return coin_to_usd(amt=self.funds_target, btc_per_coin=prices['coin-btc'], usd_per_btc=prices['btc-usd'])
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@property
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def comment_count(self):
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from funding.factory import db_session
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q = db_session.query(sa.func.count(Comment.id))
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q = q.filter(Comment.proposal_id == self.id)
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return q.scalar()
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def get_comments(self):
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from funding.factory import db_session
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q = db_session.query(Comment)
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q = q.filter(Comment.proposal_id == self.id)
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q = q.filter(Comment.replied_to == None)
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q = q.order_by(Comment.date_added.desc())
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comments = q.all()
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for c in comments:
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q = db_session.query(Comment)
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q = q.filter(Comment.proposal_id == self.id)
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q = q.filter(Comment.replied_to == c.id)
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_c = q.all()
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setattr(c, 'comments', _c)
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setattr(self, '_comments', comments)
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return self
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@property
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def balance(self):
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"""This property retrieves the current funding status
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of this proposal. It uses Redis cache to not spam the
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daemon too much. Returns a nice dictionary containing
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all relevant proposal funding info"""
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from funding.bin.utils import Summary, coin_to_usd
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from funding.factory import cache, db_session
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rtn = {'sum': 0.0, 'txs': [], 'pct': 0.0}
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cache_key = 'coin_balance_pid_%d' % self.id
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data = cache.get(cache_key)
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if not data:
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from funding.bin.daemon import Daemon
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try:
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data = Daemon().get_transfers_in(proposal=self)
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if not isinstance(data, dict):
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print('error; get_transfers_in; %d' % self.id)
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return rtn
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cache.set(cache_key, data=data, expiry=60)
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except Exception as ex:
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print('error; get_transfers_in; %d' % self.id)
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return rtn
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prices = Summary.fetch_prices()
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for tx in data['txs']:
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if prices:
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tx['amount_usd'] = coin_to_usd(amt=tx['amount_human'], btc_per_coin=prices['coin-btc'], usd_per_btc=prices['btc-usd'])
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tx['datetime'] = datetime.fromtimestamp(tx['timestamp'])
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if data.get('sum', 0.0):
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data['pct'] = 100 / float(self.funds_target / data.get('sum', 0.0))
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data['available'] = data['sum']
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else:
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data['pct'] = 0.0
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data['available'] = 0.0
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if data['pct'] != self.funds_progress:
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self.funds_progress = data['pct']
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db_session.commit()
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db_session.flush()
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if data['available']:
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data['remaining_pct'] = 100 / float(data['sum'] / data['available'])
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else:
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data['remaining_pct'] = 0.0
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return data
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@property
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def spends(self):
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from funding.bin.utils import Summary, coin_to_usd
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from funding.factory import cache, db_session
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rtn = {'sum': 0.0, 'txs': [], 'pct': 0.0}
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cache_key = 'coin_spends_pid_%d' % self.id
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data = cache.get(cache_key)
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if not data:
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from funding.bin.daemon import Daemon
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try:
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data = Daemon().get_transfers_out(proposal=self)
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if not isinstance(data, dict):
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print('error; get_transfers_out; %d' % self.id)
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return rtn
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cache.set(cache_key, data=data, expiry=60)
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except:
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print('error; get_transfers_out; %d' % self.id)
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return rtn
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data['remaining_pct'] = 0.0
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prices = Summary.fetch_prices()
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for tx in data['txs']:
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if prices:
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tx['amount_usd'] = coin_to_usd(amt=tx['amount_human'], btc_per_coin=prices['coin-btc'], usd_per_btc=prices['btc-usd'])
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tx['datetime'] = datetime.fromtimestamp(tx['timestamp'])
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if data.get('sum', 0.0):
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data['pct'] = 100 / float(self.funds_target / data.get('sum', 0.0))
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data['spent'] = data['sum']
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else:
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data['pct'] = 0.0
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data['spent'] = 0.0
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cache_key_in = 'coin_balance_pid_%d' % self.id
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data_in = cache.get(cache_key_in)
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if data_in and data['spent']:
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data['remaining_pct'] = 100 / float(data_in['sum'] / data['spent'])
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return data
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@staticmethod
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def generate_donation_addr(cls):
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from funding.factory import db_session
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from funding.bin.daemon import Daemon
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if cls.addr_donation:
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return cls.addr_donation
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# check if the current user has an account in the wallet
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account = Daemon().get_accounts(cls.id)
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if not account:
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account = Daemon().create_account(cls.id)
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index = account['account_index']
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address = account.get('address') or account.get('base_address')
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if not address:
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raise Exception('Cannot generate account/address for pid %d' % cls.id)
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# assign donation address, commit to db
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cls.addr_donation = address
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db_session.commit()
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db_session.flush()
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return address
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@classmethod
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def find_by_args(cls, status: int = None, cat: str = None, limit: int = 20, offset=0):
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from funding.factory import db_session
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if isinstance(status, int) and status not in settings.FUNDING_STATUSES.keys():
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raise NotImplementedError('invalid status')
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if isinstance(cat, str) and cat not in settings.FUNDING_CATEGORIES:
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raise NotImplementedError('invalid cat')
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q = cls.query
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if isinstance(status, int):
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q = q.filter(Proposal.status == status)
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if cat:
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q = q.filter(Proposal.category == cat)
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q = q.order_by(Proposal.date_added.desc())
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q = q.limit(limit)
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if isinstance(offset, int):
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q = q.offset(offset)
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return q.all()
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@classmethod
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def search(cls, key: str):
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key_ilike = '%' + key.replace('%', '') + '%'
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q = Proposal.query
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q = q.filter(sa.or_(
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Proposal.headline.ilike(key_ilike),
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Proposal.content.ilike(key_ilike)))
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return q.all()
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class Payout(base):
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__tablename__ = "payouts"
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id = sa.Column(sa.Integer, primary_key=True)
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proposal_id = sa.Column(sa.Integer, sa.ForeignKey('proposals.id'))
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proposal = relationship("Proposal", back_populates="payouts")
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amount = sa.Column(sa.Integer, nullable=False)
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to_address = sa.Column(sa.VARCHAR, nullable=False)
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ix_proposal_id = sa.Index("ix_proposal_id", proposal_id)
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@classmethod
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def add(cls, proposal_id, amount, to_address):
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# @TODO: validate that we can make this payout; check previous payouts
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from flask.ext.login import current_user
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if not current_user.admin:
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raise Exception("user must be admin to add a payout")
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from funding.factory import db_session
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try:
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payout = Payout(propsal_id=proposal_id, amount=amount, to_address=to_address)
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db_session.add(payout)
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db_session.commit()
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db_session.flush()
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return payout
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except Exception as ex:
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db_session.rollback()
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raise
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@staticmethod
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def get_payouts(proposal_id):
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from funding.factory import db_session
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return db_session.query(Payout).filter(Payout.proposal_id == proposal_id).all()
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class Comment(base):
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__tablename__ = "comments"
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id = sa.Column(sa.Integer, primary_key=True)
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proposal_id = sa.Column(sa.Integer, sa.ForeignKey('proposals.id'))
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proposal = relationship("Proposal", back_populates="comments")
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user_id = sa.Column(sa.Integer, sa.ForeignKey('users.user_id'), nullable=False)
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user = relationship("User", back_populates="comments")
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date_added = sa.Column(sa.TIMESTAMP, default=datetime.now)
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message = sa.Column(sa.VARCHAR, nullable=False)
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replied_to = sa.Column(sa.ForeignKey("comments.id"))
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locked = sa.Column(sa.Boolean, default=False)
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automated = sa.Column(sa.Boolean, default=False)
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ix_comment_replied_to = sa.Index("ix_comment_replied_to", replied_to)
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ix_comment_proposal_id = sa.Index("ix_comment_proposal_id", proposal_id)
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@property
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def ago(self):
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from funding.bin.utils_time import TimeMagic
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return TimeMagic().ago(self.date_added)
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@staticmethod
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def find_by_id(cid: int):
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from funding.factory import db_session
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return db_session.query(Comment).filter(Comment.id == cid).first()
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@staticmethod
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def remove(cid: int):
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from funding.factory import db_session
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from flask.ext.login import current_user
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if current_user.id != user_id and not current_user.admin:
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raise Exception("no rights to remove this comment")
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comment = Comment.get(cid=cid)
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try:
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comment.delete()
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db_session.commit()
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db_session.flush()
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except:
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db_session.rollback()
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raise
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@staticmethod
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def lock(cid: int):
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from funding.factory import db_session
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from flask.ext.login import current_user
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if not current_user.admin:
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raise Exception("admin required")
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comment = Comment.find_by_id(cid=cid)
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if not comment:
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raise Exception("comment by that id not found")
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comment.locked = True
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try:
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db_session.commit()
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db_session.flush()
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return comment
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except:
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db_session.rollback()
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raise
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@classmethod
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def add_comment(cls, pid: int, user_id: int, message: str, cid: int = None, message_id: int = None, automated=False):
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from flask.ext.login import current_user
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from funding.factory import db_session
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if not message:
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raise Exception("empty message")
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if current_user.id != user_id and not current_user.admin:
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raise Exception("no rights to add or modify this comment")
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if not message_id:
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proposal = Proposal.find_by_id(pid=pid)
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if not proposal:
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raise Exception("no proposal by that id")
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comment = Comment(user_id=user_id, proposal_id=proposal.id, automated=automated)
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if cid:
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parent = Comment.find_by_id(cid=cid)
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if not parent:
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raise Exception("cannot reply to a non-existent comment")
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comment.replied_to = parent.id
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else:
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try:
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user = db_session.query(User).filter(User.id == user_id).first()
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if not user:
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raise Exception("no user by that id")
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comment = next(c for c in user.comments if c.id == message_id)
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if comment.locked and not current_user.admin:
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raise Exception("your comment has been locked/removed")
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except StopIteration:
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raise Exception("no message by that id")
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except:
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raise Exception("unknown error")
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try:
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comment.message = message
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db_session.add(comment)
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db_session.commit()
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db_session.flush()
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except Exception as ex:
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db_session.rollback()
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raise Exception(str(ex))
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return comment |