361 lines
9.4 KiB
Python
361 lines
9.4 KiB
Python
from typing import Callable, Iterable, List, Optional, Union
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from flask import *
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from sqlalchemy import and_, any_, or_
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from sqlalchemy.orm import joinedload, selectinload, Query
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from files.classes import Comment, CommentVote, Hat, Sub, Submission, User, UserBlock, Vote
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from files.helpers.const import AUTOJANNY_ID
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def sanitize_username(username:str) -> str:
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if not username: return username
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return username.replace('\\', '').replace('_', '\_').replace('%', '').replace('(', '').replace(')', '').strip()
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def get_id(username:str, graceful=False) -> Optional[int]:
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username = sanitize_username(username)
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if not username:
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if graceful: return None
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abort(404)
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user = g.db.query(
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User.id
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).filter(
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or_(
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User.username.ilike(username),
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User.original_username.ilike(username)
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)
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).one_or_none()
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if not user:
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if graceful: return None
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abort(404)
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return user[0]
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def get_user(username:Optional[str], v:Optional[User]=None, graceful=False, include_blocks=False, include_shadowbanned=True) -> Optional[User]:
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if not username:
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if graceful: return None
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abort(404)
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username = sanitize_username(username)
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if not username:
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if graceful: return None
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abort(404)
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user = g.db.query(
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User
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).filter(
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or_(
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User.username.ilike(username),
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User.original_username.ilike(username)
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)
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)
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user = user.one_or_none()
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if not user or (user.shadowbanned and not (include_shadowbanned or (v and v.can_see_shadowbanned))):
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if graceful: return None
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abort(404)
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if v and include_blocks:
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user = add_block_props(user, v)
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return user
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def get_users(usernames:Iterable[str], graceful=False) -> List[User]:
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if not usernames: return []
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usernames = [sanitize_username(n) for n in usernames]
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if not any(usernames):
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if graceful and len(usernames) == 0: return []
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abort(404)
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users = g.db.query(User).filter(
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or_(
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User.username.ilike(any_(usernames)),
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User.original_username.ilike(any_(usernames))
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)
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).all()
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if len(users) != len(usernames) and not graceful:
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abort(404)
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return users
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def get_account(id:Union[str, int], v:Optional[User]=None, graceful=False, include_blocks=False, include_shadowbanned=True) -> Optional[User]:
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try:
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id = int(id)
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except:
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if graceful: return None
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abort(404)
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user = g.db.get(User, id)
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if not user or (user.shadowbanned and not (include_shadowbanned or (v and v.can_see_shadowbanned))):
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if not graceful: abort(404)
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else: return None
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if include_blocks:
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user = add_block_props(user, v)
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return user
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def get_accounts_dict(ids:Union[Iterable[str], Iterable[int]], v:Optional[User]=None, graceful=False, include_shadowbanned=True) -> Optional[dict[int, User]]:
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if not ids: return {}
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try:
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ids = set([int(id) for id in ids])
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except:
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if graceful: return None
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abort(404)
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users = g.db.query(User).filter(User.id.in_(ids))
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if not (include_shadowbanned or (v and v.can_see_shadowbanned)):
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users = users.filter(User.shadowbanned == None)
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users = users.all()
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if len(users) != len(ids) and not graceful: abort(404)
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return {u.id:u for u in users}
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def get_post(i:Union[str, int], v:Optional[User]=None, graceful=False) -> Optional[Submission]:
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try: i = int(i)
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except:
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if graceful: return None
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else: abort(404)
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if not i:
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if graceful: return None
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else: abort(404)
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if v:
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vt = g.db.query(Vote).filter_by(user_id=v.id, submission_id=i).subquery()
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blocking = v.blocking.subquery()
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post = g.db.query(
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Submission,
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vt.c.vote_type,
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blocking.c.target_id,
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)
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post=post.filter(Submission.id == i
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).join(
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vt,
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vt.c.submission_id == Submission.id,
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isouter=True
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).join(
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blocking,
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blocking.c.target_id == Submission.author_id,
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isouter=True
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)
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post=post.one_or_none()
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if not post:
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if graceful: return None
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else: abort(404)
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x = post[0]
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x.voted = post[1] or 0
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x.is_blocking = post[2] or 0
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else:
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post = g.db.get(Submission, i)
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if not post:
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if graceful: return None
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else: abort(404)
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x=post
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return x
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def get_posts(pids:Iterable[int], v:Optional[User]=None, eager:bool=False, extra:Optional[Callable[[Query], Query]]=None) -> List[Submission]:
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if not pids: return []
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if v:
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vt = g.db.query(Vote.vote_type, Vote.submission_id).filter(
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Vote.submission_id.in_(pids),
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Vote.user_id==v.id
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).subquery()
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blocking = v.blocking.subquery()
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blocked = v.blocked.subquery()
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query = g.db.query(
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Submission,
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vt.c.vote_type,
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blocking.c.target_id,
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blocked.c.target_id,
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).filter(
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Submission.id.in_(pids)
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).join(
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vt, vt.c.submission_id==Submission.id, isouter=True
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).join(
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blocking,
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blocking.c.target_id == Submission.author_id,
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isouter=True
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).join(
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blocked,
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blocked.c.user_id == Submission.author_id,
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isouter=True
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)
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else:
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query = g.db.query(Submission).filter(Submission.id.in_(pids))
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if extra: query = extra(query)
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if eager:
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query = query.options(
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selectinload(Submission.author).options(
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selectinload(User.hats_equipped.and_(Hat.equipped == True)) \
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.joinedload(Hat.hat_def, innerjoin=True),
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selectinload(User.badges),
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selectinload(User.sub_mods),
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selectinload(User.sub_exiles),
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),
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selectinload(Submission.flags),
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selectinload(Submission.awards),
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selectinload(Submission.options),
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)
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results = query.all()
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if v:
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output = [p[0] for p in results]
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for i in range(len(output)):
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output[i].voted = results[i][1] or 0
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output[i].is_blocking = results[i][2] or 0
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output[i].is_blocked = results[i][3] or 0
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else:
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output = results
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return sorted(output, key=lambda x: pids.index(x.id))
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def get_comment(i:Union[str, int], v:Optional[User]=None, graceful=False) -> Optional[Comment]:
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try: i = int(i)
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except:
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if graceful: return None
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abort(404)
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if not i:
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if graceful: return None
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else: abort(404)
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comment=g.db.get(Comment, i)
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if not comment:
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if graceful: return None
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else: abort(404)
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return add_vote_and_block_props(comment, v, CommentVote)
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def add_block_props(target:Union[Submission, Comment, User], v:Optional[User]):
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if not v: return target
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id = None
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if any(isinstance(target, cls) for cls in {Submission, Comment}):
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id = target.author_id
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elif isinstance(target, User):
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id = target.id
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else:
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raise TypeError("add_block_props only supports non-None submissions, comments, and users")
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if hasattr(target, 'is_blocking') and hasattr(target, 'is_blocked'):
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return target
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if v.id == id or id == AUTOJANNY_ID: # users can't block or be blocked by themselves or AutoJanny
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target.is_blocking = False
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target.is_blocked = False
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return target
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block = g.db.query(UserBlock).filter(
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or_(
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and_(
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UserBlock.user_id == v.id,
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UserBlock.target_id == id
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),
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and_(
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UserBlock.user_id == id,
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UserBlock.target_id == v.id
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)
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)
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).first()
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target.is_blocking = block and block.user_id == v.id
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target.is_blocked = block and block.target_id == v.id
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return target
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def add_vote_props(target:Union[Submission, Comment], v:Optional[User], vote_cls):
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if hasattr(target, 'voted'): return target
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vt = g.db.query(vote_cls.vote_type).filter_by(user_id=v.id)
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if vote_cls == Vote:
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vt = vt.filter_by(submission_id=target.id)
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elif vote_cls == CommentVote:
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vt = vt.filter_by(comment_id=target.id)
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else:
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vt = None
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if vt: vt = vt.one_or_none()
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target.voted = vt.vote_type if vt else 0
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return target
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def add_vote_and_block_props(target:Union[Submission, Comment], v:Optional[User], vote_cls):
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if not v: return target
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target = add_block_props(target, v)
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return add_vote_props(target, v, vote_cls)
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def get_comments(cids:Iterable[int], v:Optional[User]=None, extra:Optional[Callable[[Query], Query]]=None) -> List[Comment]:
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if not cids: return []
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if v:
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output = get_comments_v_properties(v, True, None, Comment.id.in_(cids))[1] # TODO: support 'extra' for get_comments_v_properties
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else:
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output = g.db.query(Comment).join(Comment.author)
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if extra: output = extra(output)
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output = output.filter(User.shadowbanned == None, Comment.id.in_(cids)).all()
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return sorted(output, key=lambda x: cids.index(x.id))
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def get_comments_v_properties(v:User, include_shadowbanned=True, should_keep_func:Optional[Callable[[Comment], bool]]=None, *criterion):
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if not v:
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raise TypeError("A user is required")
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votes = g.db.query(CommentVote.vote_type, CommentVote.comment_id).filter_by(user_id=v.id).subquery()
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blocking = v.blocking.subquery()
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blocked = v.blocked.subquery()
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comments = g.db.query(
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Comment,
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votes.c.vote_type,
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blocking.c.target_id,
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blocked.c.target_id,
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)
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if not include_shadowbanned and not v.can_see_shadowbanned:
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comments = comments.join(Comment.author).filter(User.shadowbanned == None)
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comments = comments.filter(*criterion)
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comments = comments.join(
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votes,
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votes.c.comment_id == Comment.id,
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isouter=True
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).join(
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blocking,
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blocking.c.target_id == Comment.author_id,
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isouter=True
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).join(
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blocked,
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blocked.c.user_id == Comment.author_id,
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isouter=True
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)
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queried = comments.all()
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output = []
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dump = []
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for c in queried:
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comment = c[0]
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comment.voted = c[1] or 0
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comment.is_blocking = c[2] or 0
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comment.is_blocked = c[3] or 0
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if not should_keep_func or should_keep_func(c[0]): output.append(comment)
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else: dump.append(comment)
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return (comments, output)
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def get_sub_by_name(sub:str, v:Optional[User]=None, graceful=False) -> Optional[Sub]:
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if not sub:
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if graceful: return None
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else: abort(404)
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sub = sub.replace('/h/', '').strip().lower()
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if not sub:
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if graceful: return None
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else: abort(404)
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sub = g.db.get(Sub, sub)
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if not sub:
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if graceful: return None
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else: abort(404)
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return sub
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