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Backend: - Session/client UUID model: sessions table (uuid, nick, signing_key), clients table (uuid, session_id, token) with per-client message queues - MOTD delivery as IRC numeric messages (375/372/376) on connect - EnqueueToSession fans out to all clients of a session - EnqueueToClient for targeted delivery (MOTD) - All queries updated for session/client model SPA client: - Long-poll loop (15s timeout) instead of setInterval - IRC message envelope parsing (command/from/to/body) - Display JOIN/PART/NICK/TOPIC/QUIT system messages - Nick change via /nick command - Topic display in header bar - Unread count badges on inactive tabs - Auto-rejoin channels on reconnect (localStorage) - Connection status indicator - Message deduplication by UUID - Channel history loaded on join - /topic command support Closes #9
68 lines
2.6 KiB
SQL
68 lines
2.6 KiB
SQL
-- Chat server schema (pre-1.0 consolidated)
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PRAGMA foreign_keys = ON;
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-- Sessions: IRC-style sessions (no passwords, nick + optional 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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signing_key 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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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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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 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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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
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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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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_id ON messages(msg_to, id);
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CREATE INDEX IF NOT EXISTS idx_messages_created ON messages(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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