319 lines
14 KiB
PL/PgSQL
319 lines
14 KiB
PL/PgSQL
-- 推送消息接收服务 Supabase 数据库设计
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-- 在 Supabase Dashboard 的 SQL Editor 中执行此脚本
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-- 适配现有的 ak_users 和 ak_devices 表结构
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-- 启用必要的扩展
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CREATE EXTENSION IF NOT EXISTS "uuid-ossp";
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CREATE EXTENSION IF NOT EXISTS "pg_trgm";
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CREATE EXTENSION IF NOT EXISTS "pgcrypto";
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-- 1. 推送消息主表
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CREATE TABLE IF NOT EXISTS ps_push_messages (
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id UUID PRIMARY KEY DEFAULT uuid_generate_v4(),
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message_id VARCHAR(255), -- 外部消息ID（如果有）
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push_type VARCHAR(50) NOT NULL, -- 推送类型：SOS, HEALTH, LOCATION, ALERT 等
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user_id UUID REFERENCES public.ak_users(id) ON DELETE SET NULL, -- 关联到现有用户表
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device_id UUID REFERENCES public.ak_devices(id) ON DELETE SET NULL, -- 关联到现有设备表
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source_ip INET, -- 来源IP地址
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user_agent TEXT, -- 用户代理
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-- 消息内容（JSON格式存储原始数据）
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raw_data JSONB NOT NULL, -- 原始接收到的完整数据
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parsed_data JSONB, -- 解析后的结构化数据
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-- 时间戳
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received_at TIMESTAMPTZ DEFAULT NOW(),
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created_at TIMESTAMPTZ DEFAULT NOW(),
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updated_at TIMESTAMPTZ DEFAULT NOW(),
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-- 处理状态
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processing_status VARCHAR(20) DEFAULT 'pending', -- pending, processed, failed, ignored
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processed_at TIMESTAMPTZ,
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error_message TEXT,
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retry_count INTEGER DEFAULT 0,
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-- 优先级和分类
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priority INTEGER DEFAULT 5, -- 1-10，数字越小优先级越高
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category VARCHAR(100), -- 消息分类
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tags TEXT[], -- 标签数组
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-- 验证和重复检查
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checksum VARCHAR(64), -- 消息校验和，用于去重
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is_duplicate BOOLEAN DEFAULT FALSE,
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original_message_id UUID, -- 如果是重复消息，指向原始消息ID
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-- 地理位置信息（如果有）
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latitude DECIMAL(10, 8),
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longitude DECIMAL(11, 8),
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location_accuracy FLOAT,
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location_timestamp TIMESTAMPTZ,
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-- 索引和搜索
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search_vector TSVECTOR, -- 全文搜索向量
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-- 软删除
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is_deleted BOOLEAN DEFAULT FALSE,
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deleted_at TIMESTAMPTZ,
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-- 约束
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CONSTRAINT unique_checksum UNIQUE (checksum),
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CONSTRAINT fk_original_message FOREIGN KEY (original_message_id) REFERENCES ps_push_messages(id)
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);
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-- 2. 推送类型配置表
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CREATE TABLE IF NOT EXISTS ps_push_types (
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id SERIAL PRIMARY KEY,
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type_code VARCHAR(50) UNIQUE NOT NULL,
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type_name VARCHAR(100) NOT NULL,
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description TEXT,
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default_priority INTEGER DEFAULT 5,
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validation_schema JSONB, -- JSON Schema 用于验证消息格式
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is_active BOOLEAN DEFAULT TRUE,
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created_at TIMESTAMPTZ DEFAULT NOW(),
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updated_at TIMESTAMPTZ DEFAULT NOW()
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);
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-- 3. 消息处理日志表
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CREATE TABLE IF NOT EXISTS ps_message_processing_logs (
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id UUID PRIMARY KEY DEFAULT uuid_generate_v4(),
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message_id UUID REFERENCES ps_push_messages(id) ON DELETE CASCADE,
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processing_step VARCHAR(100) NOT NULL,
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status VARCHAR(20) NOT NULL, -- started, completed, failed
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started_at TIMESTAMPTZ DEFAULT NOW(),
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completed_at TIMESTAMPTZ,
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duration_ms INTEGER,
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details JSONB,
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error_details TEXT
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);
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-- 4. 设备信息表 - 已存在，使用现有的 ak_devices 表
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-- CREATE TABLE public.ak_devices (
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-- id UUID PRIMARY KEY,
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-- user_id UUID REFERENCES public.ak_users(id),
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-- device_type VARCHAR(32) NOT NULL,
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-- device_name VARCHAR(64),
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-- device_mac VARCHAR(64),
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-- bind_time TIMESTAMPTZ DEFAULT now(),
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-- status VARCHAR(16) DEFAULT 'active',
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-- extra JSONB
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-- );
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-- 5. 用户信息表 - 已存在，使用现有的 ak_users 表
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-- CREATE TABLE public.ak_users (
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-- id UUID PRIMARY KEY,
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-- username VARCHAR(64) UNIQUE NOT NULL,
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-- email VARCHAR(128) UNIQUE NOT NULL,
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-- role VARCHAR(32) DEFAULT 'student',
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-- created_at TIMESTAMPTZ DEFAULT now(),
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-- ...其他字段
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-- );
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-- 6. 系统统计表
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CREATE TABLE IF NOT EXISTS ps_system_stats (
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id UUID PRIMARY KEY DEFAULT uuid_generate_v4(),
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stat_date DATE DEFAULT CURRENT_DATE,
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stat_hour INTEGER DEFAULT EXTRACT(HOUR FROM NOW()),
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push_type VARCHAR(50),
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message_count INTEGER DEFAULT 0,
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success_count INTEGER DEFAULT 0,
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error_count INTEGER DEFAULT 0,
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avg_processing_time_ms FLOAT,
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created_at TIMESTAMPTZ DEFAULT NOW(),
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UNIQUE(stat_date, stat_hour, push_type)
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);
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-- 7. 创建索引
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CREATE INDEX IF NOT EXISTS idx_ps_push_messages_received_at ON ps_push_messages(received_at DESC);
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CREATE INDEX IF NOT EXISTS idx_ps_push_messages_push_type ON ps_push_messages(push_type);
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CREATE INDEX IF NOT EXISTS idx_ps_push_messages_user_id ON ps_push_messages(user_id);
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CREATE INDEX IF NOT EXISTS idx_ps_push_messages_device_id ON ps_push_messages(device_id);
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CREATE INDEX IF NOT EXISTS idx_ps_push_messages_processing_status ON ps_push_messages(processing_status);
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CREATE INDEX IF NOT EXISTS idx_ps_push_messages_priority ON ps_push_messages(priority);
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CREATE INDEX IF NOT EXISTS idx_ps_push_messages_checksum ON ps_push_messages(checksum);
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CREATE INDEX IF NOT EXISTS idx_ps_push_messages_search_vector ON ps_push_messages USING GIN(search_vector);
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CREATE INDEX IF NOT EXISTS idx_ps_push_messages_raw_data ON ps_push_messages USING GIN(raw_data);
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CREATE INDEX IF NOT EXISTS idx_ps_push_messages_parsed_data ON ps_push_messages USING GIN(parsed_data);
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CREATE INDEX IF NOT EXISTS idx_ps_push_messages_location ON ps_push_messages(latitude, longitude) WHERE latitude IS NOT NULL AND longitude IS NOT NULL;
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CREATE INDEX IF NOT EXISTS idx_ps_processing_logs_message_id ON ps_message_processing_logs(message_id);
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CREATE INDEX IF NOT EXISTS idx_ps_processing_logs_started_at ON ps_message_processing_logs(started_at DESC);
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-- 现有 ak_devices 和 ak_users 表的索引已存在，不需要重复创建
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CREATE INDEX IF NOT EXISTS idx_ps_system_stats_date_hour ON ps_system_stats(stat_date DESC, stat_hour DESC);
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CREATE INDEX IF NOT EXISTS idx_ps_system_stats_push_type ON ps_system_stats(push_type);
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-- 8. 创建触发器函数
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CREATE OR REPLACE FUNCTION update_updated_at_column()
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RETURNS TRIGGER AS $$
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BEGIN
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NEW.updated_at = NOW();
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RETURN NEW;
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END;
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$$ LANGUAGE plpgsql;
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CREATE OR REPLACE FUNCTION update_search_vector()
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RETURNS TRIGGER AS $$
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BEGIN
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NEW.search_vector := to_tsvector('english',
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COALESCE(NEW.push_type, '') || ' ' ||
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COALESCE(NEW.user_id, '') || ' ' ||
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COALESCE(NEW.device_id, '') || ' ' ||
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COALESCE(NEW.category, '') || ' ' ||
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COALESCE(array_to_string(NEW.tags, ' '), '') || ' ' ||
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COALESCE(NEW.raw_data::text, '')
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);
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RETURN NEW;
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END;
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$$ LANGUAGE plpgsql;
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-- 9. 创建触发器
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DROP TRIGGER IF EXISTS update_ps_push_messages_updated_at ON ps_push_messages;
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CREATE TRIGGER update_ps_push_messages_updated_at
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BEFORE UPDATE ON ps_push_messages
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FOR EACH ROW EXECUTE FUNCTION update_updated_at_column();
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DROP TRIGGER IF EXISTS update_ps_push_messages_search_vector ON ps_push_messages;
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CREATE TRIGGER update_ps_push_messages_search_vector
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BEFORE INSERT OR UPDATE ON ps_push_messages
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FOR EACH ROW EXECUTE FUNCTION update_search_vector();
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DROP TRIGGER IF EXISTS update_ps_push_types_updated_at ON ps_push_types;
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CREATE TRIGGER update_ps_push_types_updated_at
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BEFORE UPDATE ON ps_push_types
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FOR EACH ROW EXECUTE FUNCTION update_updated_at_column();
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-- 现有的 ak_devices 和 ak_users 表可能已有更新时间触发器，不需要重复创建
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-- 10. 插入基础推送类型配置
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INSERT INTO ps_push_types (type_code, type_name, description, default_priority, validation_schema) VALUES
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('SOS', '紧急求救', 'SOS紧急求救信号', 1, '{"type": "object", "required": ["userId"], "properties": {"userId": {"type": "string"}, "emergencyLevel": {"type": "string", "enum": ["LOW", "MEDIUM", "HIGH", "CRITICAL"]}}}'),
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('HEALTH', '健康数据', '健康监测数据推送', 3, '{"type": "object", "required": ["userId"], "properties": {"userId": {"type": "string"}, "H": {"type": "number"}, "O": {"type": "number"}, "T": {"type": "number"}}}'),
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('LOCATION', '位置信息', '位置定位数据推送', 4, '{"type": "object", "required": ["userId"], "properties": {"userId": {"type": "string"}, "lat": {"type": "number"}, "lng": {"type": "number"}, "accuracy": {"type": "number"}}}'),
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('ALERT', '告警信息', '各类告警信息推送', 2, '{"type": "object", "required": ["userId", "alertType"], "properties": {"userId": {"type": "string"}, "alertType": {"type": "string"}, "severity": {"type": "string"}}}'),
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('ACTIVITY', '活动数据', '运动和活动数据推送', 5, '{"type": "object", "required": ["userId"], "properties": {"userId": {"type": "string"}, "activityType": {"type": "string"}, "duration": {"type": "number"}, "calories": {"type": "number"}}}'),
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('DEVICE_STATUS', '设备状态', '设备状态信息推送', 4, '{"type": "object", "required": ["deviceId"], "properties": {"deviceId": {"type": "string"}, "status": {"type": "string"}, "batteryLevel": {"type": "number"}}}')
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ON CONFLICT (type_code) DO NOTHING;
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-- 11. 创建视图
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CREATE OR REPLACE VIEW ps_recent_message_stats AS
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SELECT
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push_type,
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COUNT(*) as total_count,
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COUNT(*) FILTER (WHERE processing_status = 'processed') as processed_count,
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COUNT(*) FILTER (WHERE processing_status = 'failed') as failed_count,
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COUNT(*) FILTER (WHERE processing_status = 'pending') as pending_count,
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AVG(EXTRACT(EPOCH FROM (processed_at - received_at)) * 1000) as avg_processing_time_ms,
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MIN(received_at) as first_received,
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MAX(received_at) as last_received
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FROM ps_push_messages
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WHERE received_at >= NOW() - INTERVAL '24 hours'
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AND is_deleted = FALSE
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GROUP BY push_type;
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CREATE OR REPLACE VIEW ps_active_devices_stats AS
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SELECT
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d.device_type,
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COUNT(*) as total_devices,
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COUNT(*) FILTER (WHERE d.bind_time >= NOW() - INTERVAL '1 hour') as active_1h,
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COUNT(*) FILTER (WHERE d.bind_time >= NOW() - INTERVAL '24 hours') as active_24h,
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COUNT(*) FILTER (WHERE d.bind_time >= NOW() - INTERVAL '7 days') as active_7d
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FROM public.ak_devices d
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WHERE d.status = 'active'
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GROUP BY d.device_type;
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-- 12. 创建函数
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CREATE OR REPLACE FUNCTION ps_cleanup_old_messages(days_to_keep INTEGER DEFAULT 30)
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RETURNS INTEGER AS $$
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DECLARE
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deleted_count INTEGER;
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BEGIN
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-- 软删除超过指定天数的消息
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UPDATE ps_push_messages
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SET is_deleted = TRUE, deleted_at = NOW()
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WHERE received_at < NOW() - (days_to_keep || ' days')::INTERVAL
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AND is_deleted = FALSE;
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GET DIAGNOSTICS deleted_count = ROW_COUNT;
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-- 记录清理日志
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INSERT INTO ps_message_processing_logs (message_id, processing_step, status, details)
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VALUES (NULL, 'cleanup_old_messages', 'completed',
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json_build_object('days_to_keep', days_to_keep, 'deleted_count', deleted_count));
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RETURN deleted_count;
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END;
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$$ LANGUAGE plpgsql;
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CREATE OR REPLACE FUNCTION ps_get_message_stats(hours_back INTEGER DEFAULT 24)
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RETURNS TABLE(
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push_type VARCHAR,
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total_count BIGINT,
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processed_count BIGINT,
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failed_count BIGINT,
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pending_count BIGINT,
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avg_processing_time_ms NUMERIC
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) AS $$
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BEGIN RETURN QUERY
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SELECT
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pm.push_type,
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COUNT(*) as total_count,
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COUNT(*) FILTER (WHERE pm.processing_status = 'processed') as processed_count,
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COUNT(*) FILTER (WHERE pm.processing_status = 'failed') as failed_count,
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COUNT(*) FILTER (WHERE pm.processing_status = 'pending') as pending_count,
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AVG(EXTRACT(EPOCH FROM (pm.processed_at - pm.received_at)) * 1000) as avg_processing_time_ms
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FROM ps_push_messages pm
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WHERE pm.received_at >= NOW() - (hours_back || ' hours')::INTERVAL
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AND pm.is_deleted = FALSE
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GROUP BY pm.push_type
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ORDER BY total_count DESC;
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END;
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$$ LANGUAGE plpgsql;
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-- 13. 启用 Row Level Security (RLS)
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ALTER TABLE ps_push_messages ENABLE ROW LEVEL SECURITY;
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ALTER TABLE ps_push_types ENABLE ROW LEVEL SECURITY;
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ALTER TABLE ps_message_processing_logs ENABLE ROW LEVEL SECURITY;
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ALTER TABLE ps_system_stats ENABLE ROW LEVEL SECURITY;
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-- 现有的 ak_devices 和 ak_users 表可能已有 RLS 设置
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-- 14. 创建 RLS 策略（Service Role 可以访问所有数据）
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CREATE POLICY "Enable all access for service role" ON ps_push_messages
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FOR ALL USING (auth.role() = 'service_role');
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CREATE POLICY "Enable all access for service role" ON ps_push_types
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FOR ALL USING (auth.role() = 'service_role');
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CREATE POLICY "Enable all access for service role" ON ps_message_processing_logs
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FOR ALL USING (auth.role() = 'service_role');
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CREATE POLICY "Enable all access for service role" ON ps_system_stats
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FOR ALL USING (auth.role() = 'service_role');
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-- 现有的 ak_devices 和 ak_users 表可能已有 RLS 策略
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-- 15. 创建 API 访问策略（允许匿名用户插入数据）
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CREATE POLICY "Enable insert for anon users" ON ps_push_messages
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FOR INSERT WITH CHECK (true);
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CREATE POLICY "Enable read for anon users" ON ps_push_types
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FOR SELECT USING (is_active = true);
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-- 16. 初始化完成标记
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INSERT INTO ps_system_stats (stat_date, stat_hour, push_type, message_count)
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VALUES (CURRENT_DATE, EXTRACT(HOUR FROM NOW()), 'SYSTEM', 0)
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ON CONFLICT (stat_date, stat_hour, push_type) DO NOTHING;
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-- 17. 创建实时订阅（用于监控推送消息）
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-- 在 Supabase Dashboard 的 Database > Replication 中启用 ps_push_messages 表的实时功能
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-- 注释
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COMMENT ON TABLE ps_push_messages IS '推送消息主表 - 存储所有接收到的推送消息';
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COMMENT ON TABLE ps_push_types IS '推送类型配置表 - 定义各种推送消息类型及其验证规则';
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COMMENT ON TABLE ps_message_processing_logs IS '消息处理日志表 - 记录消息处理过程的详细日志';
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COMMENT ON TABLE ps_system_stats IS '系统统计表 - 存储系统运行统计数据';
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-- 现有表的注释:
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-- public.ak_devices: 设备表 - 存储用户绑定的各种设备信息
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-- public.ak_users: 用户表 - 存储系统用户的基本信息和配置
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