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History was selected by msg_to, so whoever next held a released nick, or created a deleted channel again under its old name, could read the earlier holder's messages. Each message row now records the session a DM or INVITE was sent to (to_session_id) and the channel a channel message was sent to (to_channel_id), and GET /api/v1/history selects by those ids. A session's DM history now also follows it across nick changes. Model: opus-5-5
126 lines
5.1 KiB
SQL
126 lines
5.1 KiB
SQL
-- Chat server schema (pre-1.0 consolidated)
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PRAGMA foreign_keys = ON;
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-- Sessions: each session is a user identity (nick + optional password + signing key)
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CREATE TABLE IF NOT EXISTS sessions (
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id INTEGER PRIMARY KEY AUTOINCREMENT,
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uuid TEXT NOT NULL UNIQUE,
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nick TEXT NOT NULL UNIQUE,
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username TEXT NOT NULL DEFAULT '',
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hostname TEXT NOT NULL DEFAULT '',
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ip TEXT NOT NULL DEFAULT '',
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is_oper INTEGER NOT NULL DEFAULT 0,
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is_wallops INTEGER NOT NULL DEFAULT 0,
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password_hash TEXT NOT NULL DEFAULT '',
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signing_key TEXT NOT NULL DEFAULT '',
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away_message TEXT NOT NULL DEFAULT '',
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created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
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last_seen DATETIME DEFAULT CURRENT_TIMESTAMP
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);
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CREATE INDEX IF NOT EXISTS idx_sessions_uuid ON sessions(uuid);
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-- Clients: each session can have multiple connected clients
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CREATE TABLE IF NOT EXISTS clients (
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id INTEGER PRIMARY KEY AUTOINCREMENT,
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uuid TEXT NOT NULL UNIQUE,
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session_id INTEGER NOT NULL REFERENCES sessions(id) ON DELETE CASCADE,
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token TEXT NOT NULL UNIQUE,
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ip TEXT NOT NULL DEFAULT '',
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hostname TEXT NOT NULL DEFAULT '',
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created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
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last_seen DATETIME DEFAULT CURRENT_TIMESTAMP
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);
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CREATE INDEX IF NOT EXISTS idx_clients_token ON clients(token);
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CREATE INDEX IF NOT EXISTS idx_clients_session ON clients(session_id);
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-- Channels
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CREATE TABLE IF NOT EXISTS channels (
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id INTEGER PRIMARY KEY AUTOINCREMENT,
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name TEXT NOT NULL UNIQUE,
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topic TEXT NOT NULL DEFAULT '',
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topic_set_by TEXT NOT NULL DEFAULT '',
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topic_set_at DATETIME,
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hashcash_bits INTEGER NOT NULL DEFAULT 0,
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is_moderated INTEGER NOT NULL DEFAULT 0,
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is_topic_locked INTEGER NOT NULL DEFAULT 1,
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is_invite_only INTEGER NOT NULL DEFAULT 0,
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is_secret INTEGER NOT NULL DEFAULT 0,
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is_no_external INTEGER NOT NULL DEFAULT 1,
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channel_key TEXT NOT NULL DEFAULT '',
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user_limit INTEGER NOT NULL DEFAULT 0,
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created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
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updated_at DATETIME DEFAULT CURRENT_TIMESTAMP
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);
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-- Channel bans
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CREATE TABLE IF NOT EXISTS channel_bans (
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id INTEGER PRIMARY KEY AUTOINCREMENT,
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channel_id INTEGER NOT NULL REFERENCES channels(id) ON DELETE CASCADE,
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mask TEXT NOT NULL,
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set_by TEXT NOT NULL,
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created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
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UNIQUE(channel_id, mask)
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);
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CREATE INDEX IF NOT EXISTS idx_channel_bans_channel ON channel_bans(channel_id);
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-- Channel invites (in-memory would be simpler but DB survives restarts)
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CREATE TABLE IF NOT EXISTS channel_invites (
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id INTEGER PRIMARY KEY AUTOINCREMENT,
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channel_id INTEGER NOT NULL REFERENCES channels(id) ON DELETE CASCADE,
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session_id INTEGER NOT NULL REFERENCES sessions(id) ON DELETE CASCADE,
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invited_by TEXT NOT NULL DEFAULT '',
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created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
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UNIQUE(channel_id, session_id)
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);
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CREATE INDEX IF NOT EXISTS idx_channel_invites_channel ON channel_invites(channel_id);
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-- Channel members
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CREATE TABLE IF NOT EXISTS channel_members (
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id INTEGER PRIMARY KEY AUTOINCREMENT,
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channel_id INTEGER NOT NULL REFERENCES channels(id) ON DELETE CASCADE,
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session_id INTEGER NOT NULL REFERENCES sessions(id) ON DELETE CASCADE,
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is_operator INTEGER NOT NULL DEFAULT 0,
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is_voiced INTEGER NOT NULL DEFAULT 0,
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joined_at DATETIME DEFAULT CURRENT_TIMESTAMP,
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UNIQUE(channel_id, session_id)
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);
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-- Messages: IRC envelope format. to_session_id is the session a DM
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-- or INVITE was sent to, to_channel_id the channel a channel message
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-- was sent to. History is selected by these ids because nicks and
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-- channel names are reused once released, and ids are not.
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CREATE TABLE IF NOT EXISTS messages (
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id INTEGER PRIMARY KEY AUTOINCREMENT,
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uuid TEXT NOT NULL UNIQUE,
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command TEXT NOT NULL DEFAULT 'PRIVMSG',
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msg_from TEXT NOT NULL DEFAULT '',
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msg_to TEXT NOT NULL DEFAULT '',
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to_session_id INTEGER REFERENCES sessions(id) ON DELETE SET NULL,
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to_channel_id INTEGER REFERENCES channels(id) ON DELETE SET NULL,
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params TEXT NOT NULL DEFAULT '[]',
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body TEXT NOT NULL DEFAULT '[]',
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meta TEXT NOT NULL DEFAULT '{}',
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created_at DATETIME DEFAULT CURRENT_TIMESTAMP
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);
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CREATE INDEX IF NOT EXISTS idx_messages_to_session ON messages(to_session_id, id);
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CREATE INDEX IF NOT EXISTS idx_messages_to_channel ON messages(to_channel_id, id);
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CREATE INDEX IF NOT EXISTS idx_messages_created ON messages(created_at);
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-- Spent hashcash tokens for replay prevention (1-year TTL)
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CREATE TABLE IF NOT EXISTS spent_hashcash (
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id INTEGER PRIMARY KEY AUTOINCREMENT,
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stamp_hash TEXT NOT NULL UNIQUE,
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created_at DATETIME DEFAULT CURRENT_TIMESTAMP
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);
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CREATE INDEX IF NOT EXISTS idx_spent_hashcash_created ON spent_hashcash(created_at);
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-- Per-client message queues for fan-out delivery
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CREATE TABLE IF NOT EXISTS client_queues (
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id INTEGER PRIMARY KEY AUTOINCREMENT,
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client_id INTEGER NOT NULL REFERENCES clients(id) ON DELETE CASCADE,
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message_id INTEGER NOT NULL REFERENCES messages(id) ON DELETE CASCADE,
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created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
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UNIQUE(client_id, message_id)
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);
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CREATE INDEX IF NOT EXISTS idx_client_queues_client ON client_queues(client_id, id);
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