89 lines
5.5 KiB
SQL
89 lines
5.5 KiB
SQL
-- ============================================================
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-- Phase 2e-2 数据库迁移：会议 MVP（meeting_rooms / meeting_participants / meeting_chats）
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-- 执行环境：在已有 Phase 2e-1（通知中心）数据库基础上增量升级
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-- 全部语句使用 IF NOT EXISTS / 幂等形式，可重复执行
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-- 时间字段沿用项目风格 TIMESTAMP(0)
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-- ============================================================
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CREATE TABLE IF NOT EXISTS meeting_rooms (
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id BIGSERIAL PRIMARY KEY,
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room_code VARCHAR(20) UNIQUE NOT NULL,
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title VARCHAR(200) NOT NULL,
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host_id BIGINT NOT NULL REFERENCES auth_users(id),
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type SMALLINT NOT NULL DEFAULT 1,
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password_hash VARCHAR(255) DEFAULT NULL,
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max_members INT NOT NULL DEFAULT 50,
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status SMALLINT NOT NULL DEFAULT 0,
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scheduled_at TIMESTAMP(0) DEFAULT NULL,
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started_at TIMESTAMP(0) DEFAULT NULL,
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ended_at TIMESTAMP(0) DEFAULT NULL,
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ended_reason VARCHAR(20) DEFAULT NULL,
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settings JSONB NOT NULL DEFAULT '{}',
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created_at TIMESTAMP(0) NOT NULL DEFAULT NOW(),
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updated_at TIMESTAMP(0) NOT NULL DEFAULT NOW()
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);
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COMMENT ON TABLE meeting_rooms IS '会议房间表';
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COMMENT ON COLUMN meeting_rooms.room_code IS '用户可见的会议号 XXX-XXX-XXX，全局唯一';
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COMMENT ON COLUMN meeting_rooms.title IS '会议标题';
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COMMENT ON COLUMN meeting_rooms.host_id IS '主持人用户 ID，引用 auth_users.id';
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COMMENT ON COLUMN meeting_rooms.type IS '会议类型：1=即时（MVP 仅此），2=预约（Phase 2e-3）';
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COMMENT ON COLUMN meeting_rooms.password_hash IS '入会密码 bcrypt 哈希，NULL 表示无密码';
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COMMENT ON COLUMN meeting_rooms.max_members IS '房间最大成员数，schema 默认 50';
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COMMENT ON COLUMN meeting_rooms.status IS '0=未开始（仅预约），1=进行中，2=已结束';
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COMMENT ON COLUMN meeting_rooms.scheduled_at IS '预约开始时间，即时会议为 NULL';
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COMMENT ON COLUMN meeting_rooms.started_at IS '实际开始时间，host 首次加入时回填';
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COMMENT ON COLUMN meeting_rooms.ended_at IS '实际结束时间';
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COMMENT ON COLUMN meeting_rooms.ended_reason IS '结束原因：host_ended / empty_ttl / admin_force / system_error';
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COMMENT ON COLUMN meeting_rooms.settings IS 'JSON 配置：{mute_on_join, allow_chat, record_enabled 等}';
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CREATE INDEX IF NOT EXISTS idx_meeting_rooms_host_status ON meeting_rooms (host_id, status, created_at DESC);
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-- ============================================================
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-- meeting_participants: 参与者记录
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-- ON DELETE CASCADE：room 删除时自动清理参与者
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-- ============================================================
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CREATE TABLE IF NOT EXISTS meeting_participants (
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id BIGSERIAL PRIMARY KEY,
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room_id BIGINT NOT NULL REFERENCES meeting_rooms(id) ON DELETE CASCADE,
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user_id BIGINT NOT NULL REFERENCES auth_users(id),
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role SMALLINT NOT NULL DEFAULT 0,
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joined_at TIMESTAMP(0) NOT NULL DEFAULT NOW(),
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left_at TIMESTAMP(0) DEFAULT NULL,
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left_reason VARCHAR(20) DEFAULT NULL,
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duration INT NOT NULL DEFAULT 0,
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UNIQUE (room_id, user_id)
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);
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COMMENT ON TABLE meeting_participants IS '会议参与者记录（一次入会一行，重入更新）';
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COMMENT ON COLUMN meeting_participants.room_id IS '所属会议房间 ID，引用 meeting_rooms.id，CASCADE 删除';
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COMMENT ON COLUMN meeting_participants.user_id IS '参与者用户 ID，引用 auth_users.id';
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COMMENT ON COLUMN meeting_participants.role IS '0=普通，1=主持人（MVP 仅此两档），2=联合主持人（第二期）';
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COMMENT ON COLUMN meeting_participants.joined_at IS '加入时间，记录创建即代表加入';
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COMMENT ON COLUMN meeting_participants.left_at IS '离开时间，NULL 表示仍在会议中';
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COMMENT ON COLUMN meeting_participants.left_reason IS '离会原因：self / kicked / host_end / empty_ttl / disconnect';
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COMMENT ON COLUMN meeting_participants.duration IS '本次参会时长（秒），left_at 写入时同步计算';
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CREATE INDEX IF NOT EXISTS idx_meeting_participants_room ON meeting_participants (room_id, joined_at ASC);
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CREATE INDEX IF NOT EXISTS idx_meeting_participants_user ON meeting_participants (user_id, joined_at DESC);
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-- ============================================================
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-- meeting_chats: 会议内文字聊天
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-- 清理策略见 CURRENT_STATUS Phase 2e-2 说明
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-- ============================================================
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CREATE TABLE IF NOT EXISTS meeting_chats (
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id BIGSERIAL PRIMARY KEY,
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room_id BIGINT NOT NULL REFERENCES meeting_rooms(id) ON DELETE CASCADE,
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user_id BIGINT NOT NULL REFERENCES auth_users(id),
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content TEXT NOT NULL,
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created_at TIMESTAMP(0) NOT NULL DEFAULT NOW()
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);
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COMMENT ON TABLE meeting_chats IS '会议内文字聊天消息（会议结束 24 小时后批量清理）';
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COMMENT ON COLUMN meeting_chats.room_id IS '所属会议房间 ID，引用 meeting_rooms.id，CASCADE 删除';
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COMMENT ON COLUMN meeting_chats.user_id IS '发送者用户 ID，引用 auth_users.id';
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COMMENT ON COLUMN meeting_chats.content IS '消息内容（纯文本，MVP 不支持富媒体）';
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COMMENT ON COLUMN meeting_chats.created_at IS '消息发送时间';
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CREATE INDEX IF NOT EXISTS idx_meeting_chats_room_created ON meeting_chats (room_id, created_at ASC);
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