restructure for docker
This commit is contained in:
Ville Rantanen
696
forum/db/sqlite.py
Normal file
696
forum/db/sqlite.py
Normal file
@@ -0,0 +1,696 @@
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import sqlite3
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class DB:
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def __init__(self, conn):
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self.conn = conn
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pass
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def get_config(self):
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return (
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self._db()
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.execute(
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"""
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select version, name, description, secret_key, captcha_key, registration_enabled, login_required from config
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"""
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)
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.fetchone()
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)
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def get_forums(self):
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return self._db().execute(
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"""
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select f.forum_id, name, description, thread_id, title, update_time
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from forums f
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left join threads t
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on t.thread_id = (
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select tt.thread_id
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from threads tt
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where f.forum_id = tt.forum_id and not tt.hidden
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order by update_time desc
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limit 1
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)
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"""
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)
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def get_forum(self, forum_id):
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return (
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self._db()
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.execute(
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"""
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select name, description
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from forums
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where forum_id = ?
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""",
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(forum_id,),
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)
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.fetchone()
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)
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def get_thread_forum(self, thread_id):
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""" Returns forum_id of a thread """
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return (
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self._db()
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.execute(
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"""
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select forum_id
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from threads
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where thread_id = ?
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""",
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(thread_id,),
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)
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.fetchone()[0]
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)
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def get_threads(self, forum_id, offset, limit, user_id):
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return self._db().execute(
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"""
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select
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t.thread_id,
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title,
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t.create_time,
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t.update_time,
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t.author_id,
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name,
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count(c.thread_id),
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t.hidden
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from
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threads t,
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users
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left join
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comments c
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on
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t.thread_id = c.thread_id
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where forum_id = ?
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and user_id = t.author_id
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and (
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t.hidden = 0 or (
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select 1 from users
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where user_id = ?
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and (
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user_id = t.author_id
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-- 1 = moderator, 2 = admin
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or role in (1, 2)
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)
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)
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)
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group by t.thread_id
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order by t.update_time desc
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limit ?
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offset ?
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""",
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(forum_id, user_id, limit, offset),
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)
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def get_thread(self, thread):
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db = self._db()
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title, text, author, author_id, create_time, modify_time, hidden, forum_id = db.execute(
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"""
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select title, text, name, author_id, create_time, modify_time, hidden, forum_id
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from threads, users
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where thread_id = ? and author_id = user_id
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""",
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(thread,),
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).fetchone()
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comments = db.execute(
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"""
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select
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comment_id,
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parent_id,
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author_id,
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name,
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text,
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create_time,
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modify_time,
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hidden
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from comments
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left join users
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on author_id = user_id
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where thread_id = ?
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""",
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(thread,),
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)
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return (
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title,
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text,
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author,
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author_id,
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create_time,
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modify_time,
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comments,
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hidden,
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forum_id
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)
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def get_thread_title(self, thread_id):
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return (
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self._db()
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.execute(
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"""
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select title
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from threads
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where thread_id = ?
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""",
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(thread_id,),
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)
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.fetchone()
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)
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def get_thread_title_text(self, thread_id):
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return (
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self._db()
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.execute(
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"""
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select title, text
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from threads
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where thread_id = ?
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""",
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(thread_id,),
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)
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.fetchone()
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)
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def get_recent_threads(self, limit):
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return self._db().execute(
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"""
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select thread_id, title, modify_date
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from threads
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order by modify_date
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limit ?
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""",
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(limit,),
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)
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def get_comment(self, comment_id):
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return (
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self._db()
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.execute(
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"""
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select title, c.text
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from comments c, threads t
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where comment_id = ? and c.thread_id = t.thread_id
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""",
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(comment_id,),
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)
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.fetchone()
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)
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def get_subcomments(self, comment_id):
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db = self._db()
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thread_id, parent_id, title = db.execute(
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"""
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select threads.thread_id, parent_id, title
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from threads, comments
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where comment_id = ? and threads.thread_id = comments.thread_id
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""",
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(comment_id,),
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).fetchone()
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# Recursive CTE, see https://www.sqlite.org/lang_with.html
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return (
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thread_id,
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parent_id,
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title,
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db.execute(
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"""
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with recursive
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descendant_of(id) as (
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select comment_id from comments where comment_id = ?
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union
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select comment_id from descendant_of, comments where id = parent_id
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)
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select
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id,
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parent_id,
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author_id,
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name,
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text,
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create_time,
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modify_time,
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hidden
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from
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descendant_of,
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comments,
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users
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where id = comment_id
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and user_id = author_id
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""",
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(comment_id,),
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),
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)
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def get_user_password(self, username):
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return (
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self._db()
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.execute(
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"""
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select user_id, password
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from users
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where name = lower(?)
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""",
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(username,),
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)
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.fetchone()
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)
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def get_user_password_by_id(self, user_id):
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return (
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self._db()
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.execute(
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"""
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select password
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from users
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where user_id = ?
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""",
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(user_id,),
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)
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.fetchone()
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)
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def set_user_password(self, user_id, password):
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return self.change_one(
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"""
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update users
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set password = ?
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where user_id = ?
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""",
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(password, user_id),
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)
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def get_user_public_info(self, user_id):
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return (
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self._db()
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.execute(
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"""
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select name, about, banned_until
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from users
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where user_id = ?
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""",
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(user_id,),
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)
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.fetchone()
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)
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def get_user_private_info(self, user_id):
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return (
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self._db()
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.execute(
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"""
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select about
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from users
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where user_id = ?
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""",
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(user_id,),
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)
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.fetchone()
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)
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def set_user_private_info(self, user_id, about):
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db = self._db()
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db.execute(
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"""
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update users
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set about = ?
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where user_id = ?
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""",
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(about, user_id),
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)
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db.commit()
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def get_user_name_role_banned(self, user_id):
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return (
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self._db()
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.execute(
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"""
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select name, role, banned_until
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from users
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where user_id = ?
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""",
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(user_id,),
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)
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.fetchone()
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)
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def get_user_name(self, user_id):
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return (
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self._db()
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.execute(
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"""
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select name
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from users
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where user_id = ?
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""",
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(user_id,),
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)
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.fetchone()
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)
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def add_thread(self, author_id, forum_id, title, text, time):
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db = self._db()
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c = db.cursor()
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c.execute(
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"""
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insert into threads (author_id, forum_id, title, text,
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create_time, modify_time, update_time)
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select ?, ?, ?, ?, ?, ?, ?
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from users
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where user_id = ? and banned_until < ?
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""",
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(author_id, forum_id, title, text, time, time, time, author_id, time),
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)
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rowid = c.lastrowid
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if rowid is None:
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return None
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db.commit()
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return db.execute(
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"""
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select thread_id
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from threads
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where rowid = ?
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""",
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(rowid,),
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).fetchone()
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def delete_thread(self, user_id, thread_id):
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db = self._db()
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c = db.cursor()
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c.execute(
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"""
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delete
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from threads
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-- 1 = moderator, 2 = admin
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where thread_id = ? and (
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author_id = ?
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or (select 1 from users where user_id = ? and (role = 1 or role = 2))
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)
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""",
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(thread_id, user_id, user_id),
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)
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db.commit()
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return c.rowcount > 0
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def delete_comment(self, user_id, comment_id):
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db = self._db()
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c = db.cursor()
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c.execute(
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"""
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delete
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from comments
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where comment_id = ?
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and (
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author_id = ?
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-- 1 = moderator, 2 = admin
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or (select 1 from users where user_id = ? and (role = 1 or role = 2))
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)
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-- Don't allow deleting comments with children
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and (select 1 from comments where parent_id = ?) is null
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""",
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(comment_id, user_id, user_id, comment_id),
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)
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db.commit()
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return c.rowcount > 0
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def add_comment_to_thread(self, thread_id, author_id, text, time):
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db = self._db()
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c = db.cursor()
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c.execute(
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"""
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insert into comments(thread_id, author_id, text, create_time, modify_time)
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select ?, ?, ?, ?, ?
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from threads, users
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where thread_id = ? and user_id = ? and banned_until < ?
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""",
|
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(thread_id, author_id, text, time, time, thread_id, author_id, time),
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)
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if c.rowcount > 0:
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c.execute(
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"""
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update threads
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set update_time = ?
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where thread_id = ?
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""",
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(time, thread_id),
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)
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db.commit()
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return True
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return False
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def add_comment_to_comment(self, parent_id, author_id, text, time):
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db = self._db()
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c = db.cursor()
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c.execute(
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"""
|
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insert into comments(thread_id, parent_id, author_id, text, create_time, modify_time)
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select thread_id, ?, ?, ?, ?, ?
|
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from comments, users
|
||||
where comment_id = ? and user_id = ? and banned_until < ?
|
||||
""",
|
||||
(parent_id, author_id, text, time, time, parent_id, author_id, time),
|
||||
)
|
||||
if c.rowcount > 0:
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c.execute(
|
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"""
|
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update threads
|
||||
set update_time = ?
|
||||
where threads.thread_id = (
|
||||
select c.thread_id
|
||||
from comments c
|
||||
where comment_id = ?
|
||||
)
|
||||
""",
|
||||
(time, parent_id),
|
||||
)
|
||||
db.commit()
|
||||
return True
|
||||
return False
|
||||
|
||||
def modify_thread(self, thread_id, user_id, title, text, time):
|
||||
db = self._db()
|
||||
c = db.cursor()
|
||||
c.execute(
|
||||
"""
|
||||
update threads
|
||||
set title = ?, text = ?, modify_time = ?
|
||||
where thread_id = ? and (
|
||||
(author_id = ? and (select 1 from users where user_id = ? and banned_until < ?))
|
||||
-- 1 = moderator, 2 = admin
|
||||
or (select 1 from users where user_id = ? and (role = 1 or role = 2))
|
||||
)
|
||||
""",
|
||||
(
|
||||
title,
|
||||
text,
|
||||
time,
|
||||
thread_id,
|
||||
user_id,
|
||||
user_id,
|
||||
time,
|
||||
user_id,
|
||||
),
|
||||
)
|
||||
if c.rowcount > 0:
|
||||
db.commit()
|
||||
return True
|
||||
return False
|
||||
|
||||
def modify_comment(self, comment_id, user_id, text, time):
|
||||
db = self._db()
|
||||
c = db.cursor()
|
||||
c.execute(
|
||||
"""
|
||||
update comments
|
||||
set text = ?, modify_time = ?
|
||||
where comment_id = ? and (
|
||||
(author_id = ? and (select 1 from users where user_id = ? and banned_until < ?))
|
||||
-- 1 = moderator, 2 = admin
|
||||
or (select 1 from users where user_id = ? and (role = 1 or role = 2))
|
||||
)
|
||||
""",
|
||||
(
|
||||
text,
|
||||
time,
|
||||
comment_id,
|
||||
user_id,
|
||||
user_id,
|
||||
time,
|
||||
user_id,
|
||||
),
|
||||
)
|
||||
if c.rowcount > 0:
|
||||
db.commit()
|
||||
return True
|
||||
return False
|
||||
|
||||
def register_user(self, username, password, time):
|
||||
"""
|
||||
Add a user if registrations are enabled.
|
||||
"""
|
||||
try:
|
||||
db = self._db()
|
||||
c = db.cursor()
|
||||
c.execute(
|
||||
"""
|
||||
insert into users(name, password, join_time)
|
||||
select lower(?), ?, ?
|
||||
from config
|
||||
where registration_enabled = 1
|
||||
""",
|
||||
(username, password, time),
|
||||
)
|
||||
if c.rowcount > 0:
|
||||
db.commit()
|
||||
# TODO find a way to get the (autoincremented) user ID without looking
|
||||
# up by name.
|
||||
# ROWID is *probably* not always consistent (race conditions).
|
||||
# Ideally we get the ID immediately on insert.
|
||||
return c.execute(
|
||||
"""
|
||||
select user_id
|
||||
from users
|
||||
where name = lower(?)
|
||||
""",
|
||||
(username,),
|
||||
).fetchone()
|
||||
return None
|
||||
except sqlite3.IntegrityError:
|
||||
# User already exists, probably
|
||||
return None
|
||||
|
||||
def add_user(self, username, password, time):
|
||||
"""
|
||||
Add a user without checking if registrations are enabled.
|
||||
"""
|
||||
try:
|
||||
db = self._db()
|
||||
c = db.cursor()
|
||||
c.execute(
|
||||
"""
|
||||
insert into users(name, password, join_time)
|
||||
values (lower(?), ?, ?)
|
||||
""",
|
||||
(username, password, time),
|
||||
)
|
||||
if c.rowcount > 0:
|
||||
db.commit()
|
||||
return True
|
||||
return False
|
||||
except sqlite3.IntegrityError:
|
||||
# User already exists, probably
|
||||
return False
|
||||
|
||||
def get_users(self):
|
||||
return self._db().execute(
|
||||
"""
|
||||
select user_id, name, join_time, role, banned_until
|
||||
from users
|
||||
""",
|
||||
)
|
||||
|
||||
def set_forum_name(self, forum_id, name):
|
||||
return self.change_one(
|
||||
"""
|
||||
update forums
|
||||
set name = ?
|
||||
where forum_id = ?
|
||||
""",
|
||||
(name, forum_id),
|
||||
)
|
||||
|
||||
def set_forum_description(self, forum_id, description):
|
||||
return self.change_one(
|
||||
"""
|
||||
update forums
|
||||
set description = ?
|
||||
where forum_id = ?
|
||||
""",
|
||||
(description, forum_id),
|
||||
)
|
||||
|
||||
def add_forum(self, name, description):
|
||||
db = self._db()
|
||||
db.execute(
|
||||
"""
|
||||
insert into forums(name, description)
|
||||
values (?, ?)
|
||||
""",
|
||||
(name, description),
|
||||
)
|
||||
db.commit()
|
||||
|
||||
def set_config(
|
||||
self, server_name, server_description, registration_enabled, login_required
|
||||
):
|
||||
return self.change_one(
|
||||
"""
|
||||
update config
|
||||
set name = ?, description = ?, registration_enabled = ?, login_required = ?
|
||||
""",
|
||||
(server_name, server_description, registration_enabled, login_required),
|
||||
)
|
||||
|
||||
def set_config_secrets(self, secret_key, captcha_key):
|
||||
return self.change_one(
|
||||
"""
|
||||
update config
|
||||
set secret_key = ?, captcha_key = ?
|
||||
""",
|
||||
(secret_key, captcha_key),
|
||||
)
|
||||
|
||||
def set_user_ban(self, user_id, until):
|
||||
return self.change_one(
|
||||
"""
|
||||
update users
|
||||
set banned_until = ?
|
||||
where user_id = ?
|
||||
""",
|
||||
(until, user_id),
|
||||
)
|
||||
|
||||
def set_user_role(self, user_id, role):
|
||||
return self.change_one(
|
||||
"""
|
||||
update users
|
||||
set role = ?
|
||||
where user_id = ?
|
||||
""",
|
||||
(role, user_id),
|
||||
)
|
||||
|
||||
def set_thread_hidden(self, thread_id, hide):
|
||||
return self.change_one(
|
||||
"""
|
||||
update threads
|
||||
set hidden = ?
|
||||
where thread_id = ?
|
||||
""",
|
||||
(hide, thread_id),
|
||||
)
|
||||
|
||||
def set_comment_hidden(self, comment_id, hide):
|
||||
return self.change_one(
|
||||
"""
|
||||
update comments
|
||||
set hidden = ?
|
||||
where comment_id = ?
|
||||
""",
|
||||
(hide, comment_id),
|
||||
)
|
||||
|
||||
def change_one(self, query, values):
|
||||
db = self._db()
|
||||
c = db.cursor()
|
||||
c.execute(query, values)
|
||||
if c.rowcount > 0:
|
||||
db.commit()
|
||||
return True
|
||||
return False
|
||||
|
||||
def query(self, q):
|
||||
db = self._db()
|
||||
c = db.cursor()
|
||||
rows = c.execute(q)
|
||||
db.commit()
|
||||
return rows, c.rowcount
|
||||
|
||||
def _db(self):
|
||||
return sqlite3.connect(self.conn, timeout=5)
|
||||
Reference in New Issue
Block a user