383 lines
13 KiB
Rust
383 lines
13 KiB
Rust
use crate::config::database::{DatabaseConfig, DatabaseType};
|
||
use sea_orm::{
|
||
ConnectOptions, ConnectionTrait, Database, DatabaseConnection, DbBackend, EntityName,
|
||
EntityTrait, Schema, Statement,
|
||
};
|
||
use std::time::Duration;
|
||
|
||
/// 数据库连接池（SeaORM 统一接口）
|
||
pub type DbPool = DatabaseConnection;
|
||
|
||
/// 创建数据库连接池
|
||
pub async fn create_pool(config: &DatabaseConfig) -> anyhow::Result<DbPool> {
|
||
let url = config
|
||
.build_url()
|
||
.map_err(|e| anyhow::anyhow!("数据库配置错误: {}", e))?;
|
||
|
||
tracing::debug!("数据库连接 URL: {}", url);
|
||
|
||
let mut opt = ConnectOptions::new(&url);
|
||
opt.max_connections(config.max_connections)
|
||
.min_connections(1)
|
||
.connect_timeout(Duration::from_secs(8))
|
||
.idle_timeout(Duration::from_secs(8))
|
||
.max_lifetime(Duration::from_secs(7200))
|
||
.sqlx_logging(true);
|
||
|
||
let pool = Database::connect(opt)
|
||
.await
|
||
.map_err(|e| anyhow::anyhow!("数据库连接失败: {}", e))?;
|
||
|
||
tracing::info!("已连接到数据库: {}", sanitize_url(&url));
|
||
|
||
Ok(pool)
|
||
}
|
||
|
||
/// 隐藏 URL 中的敏感信息（用于日志输出）
|
||
fn sanitize_url(url: &str) -> String {
|
||
// 隐藏密码：mysql://user:password@host -> mysql://user:***@host
|
||
if let Some(at_pos) = url.find('@') {
|
||
if let Some(scheme_end) = url.find("://") {
|
||
if scheme_end < at_pos {
|
||
return format!("{}***@{}", &url[..scheme_end + 3], &url[at_pos + 1..]);
|
||
}
|
||
}
|
||
}
|
||
url.to_string()
|
||
}
|
||
|
||
/// 健康检查（保持向后兼容）
|
||
pub async fn health_check(pool: &DbPool) -> anyhow::Result<()> {
|
||
// 使用官方推荐的 ping 方法
|
||
pool.ping()
|
||
.await
|
||
.map_err(|e| anyhow::anyhow!("数据库健康检查失败: {}", e))
|
||
}
|
||
|
||
/// 初始化数据库和表结构
|
||
/// 每次启动时检查数据库和表是否存在，不存在则创建
|
||
pub async fn init_database(config: &DatabaseConfig) -> anyhow::Result<DatabaseConnection> {
|
||
match config.database_type {
|
||
DatabaseType::MySQL => {
|
||
init_mysql_database(config).await?;
|
||
}
|
||
DatabaseType::PostgreSQL => {
|
||
init_postgresql_database(config).await?;
|
||
}
|
||
DatabaseType::SQLite => {
|
||
// 确保 SQLite 数据库文件的目录存在
|
||
init_sqlite_database(config).await?;
|
||
}
|
||
}
|
||
|
||
// 连接到数据库
|
||
let pool = create_pool(config).await?;
|
||
|
||
// 创建表
|
||
create_tables(&pool).await?;
|
||
migrate_existing_tables(&pool).await?;
|
||
create_indexes(&pool).await?;
|
||
|
||
Ok(pool)
|
||
}
|
||
|
||
async fn create_indexes(db: &DatabaseConnection) -> anyhow::Result<()> {
|
||
let backend = db.get_database_backend();
|
||
let statements = match backend {
|
||
DbBackend::MySql => vec!["CREATE INDEX idx_users_email ON users(email)", "CREATE INDEX idx_email_logs_user_created ON email_logs(user_id, created_at)"],
|
||
_ => vec!["CREATE INDEX IF NOT EXISTS idx_users_email ON users(email)", "CREATE INDEX IF NOT EXISTS idx_email_logs_user_created ON email_logs(user_id, created_at)"],
|
||
};
|
||
for statement in statements {
|
||
if let Err(error) = db.execute(Statement::from_string(backend, statement)).await {
|
||
let message = error.to_string().to_lowercase();
|
||
if !message.contains("duplicate") && !message.contains("already exists") {
|
||
return Err(anyhow::anyhow!("创建索引失败: {error}"));
|
||
}
|
||
}
|
||
}
|
||
Ok(())
|
||
}
|
||
|
||
async fn migrate_existing_tables(db: &DatabaseConnection) -> anyhow::Result<()> {
|
||
let backend = db.get_database_backend();
|
||
let statement = match backend {
|
||
DbBackend::MySql => "ALTER TABLE users ADD COLUMN deleted_at DATETIME NULL",
|
||
DbBackend::Postgres => "ALTER TABLE users ADD COLUMN deleted_at TIMESTAMP NULL",
|
||
DbBackend::Sqlite => "ALTER TABLE users ADD COLUMN deleted_at DATETIME NULL",
|
||
};
|
||
if let Err(error) = db.execute(Statement::from_string(backend, statement)).await {
|
||
let message = error.to_string().to_lowercase();
|
||
if !message.contains("duplicate") && !message.contains("already exists") {
|
||
return Err(anyhow::anyhow!("迁移 users.deleted_at 失败: {error}"));
|
||
}
|
||
}
|
||
Ok(())
|
||
}
|
||
|
||
/// 获取端口号（根据数据库类型返回默认值）
|
||
fn get_database_port(config: &DatabaseConfig) -> u16 {
|
||
config.port.unwrap_or(match config.database_type {
|
||
DatabaseType::MySQL => 3306,
|
||
DatabaseType::PostgreSQL => 5432,
|
||
DatabaseType::SQLite => 0,
|
||
})
|
||
}
|
||
|
||
/// 为 MySQL 创建数据库（如果不存在）
|
||
async fn init_mysql_database(config: &DatabaseConfig) -> anyhow::Result<()> {
|
||
let database_name = config
|
||
.database
|
||
.as_ref()
|
||
.ok_or_else(|| anyhow::anyhow!("MySQL 需要配置 database.database"))?;
|
||
validate_database_name(database_name)?;
|
||
|
||
let host = config
|
||
.host
|
||
.as_ref()
|
||
.ok_or_else(|| anyhow::anyhow!("MySQL 需要配置 database.host"))?;
|
||
let user = config
|
||
.user
|
||
.as_ref()
|
||
.ok_or_else(|| anyhow::anyhow!("MySQL 需要配置 database.user"))?;
|
||
let password = config
|
||
.password
|
||
.as_ref()
|
||
.ok_or_else(|| anyhow::anyhow!("MySQL 需要配置 database.password"))?;
|
||
|
||
// 连接到 MySQL 服务器（不指定数据库）
|
||
let url = format!(
|
||
"mysql://{}:{}@{}:{}",
|
||
user,
|
||
password,
|
||
host,
|
||
get_database_port(config)
|
||
);
|
||
|
||
let mut opt = ConnectOptions::new(&url);
|
||
opt.max_connections(1)
|
||
.connect_timeout(Duration::from_secs(8))
|
||
.sqlx_logging(true);
|
||
|
||
let conn = Database::connect(opt)
|
||
.await
|
||
.map_err(|e| anyhow::anyhow!("连接 MySQL 服务器失败: {}", e))?;
|
||
|
||
// 检查数据库是否存在，不存在则创建
|
||
let query = format!(
|
||
"CREATE DATABASE IF NOT EXISTS `{}` CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci",
|
||
database_name
|
||
);
|
||
|
||
conn.execute(Statement::from_string(
|
||
sea_orm::DatabaseBackend::MySql,
|
||
query,
|
||
))
|
||
.await
|
||
.map_err(|e| anyhow::anyhow!("创建 MySQL 数据库失败: {}", e))?;
|
||
|
||
tracing::info!("✅ MySQL 数据库 '{}' 检查完成", database_name);
|
||
|
||
Ok(())
|
||
}
|
||
|
||
/// 为 PostgreSQL 创建数据库（如果不存在）
|
||
async fn init_postgresql_database(config: &DatabaseConfig) -> anyhow::Result<()> {
|
||
let database_name = config
|
||
.database
|
||
.as_ref()
|
||
.ok_or_else(|| anyhow::anyhow!("PostgreSQL 需要配置 database.database"))?;
|
||
validate_database_name(database_name)?;
|
||
|
||
let host = config
|
||
.host
|
||
.as_ref()
|
||
.ok_or_else(|| anyhow::anyhow!("PostgreSQL 需要配置 database.host"))?;
|
||
let user = config
|
||
.user
|
||
.as_ref()
|
||
.ok_or_else(|| anyhow::anyhow!("PostgreSQL 需要配置 database.user"))?;
|
||
let password = config
|
||
.password
|
||
.as_ref()
|
||
.ok_or_else(|| anyhow::anyhow!("PostgreSQL 需要配置 database.password"))?;
|
||
|
||
// 连接到 PostgreSQL 默认数据库（postgres）
|
||
let url = format!(
|
||
"postgresql://{}:{}@{}:{}/postgres",
|
||
user,
|
||
password,
|
||
host,
|
||
get_database_port(config)
|
||
);
|
||
|
||
let mut opt = ConnectOptions::new(&url);
|
||
opt.max_connections(1)
|
||
.connect_timeout(Duration::from_secs(8))
|
||
.sqlx_logging(true);
|
||
|
||
let conn = Database::connect(opt)
|
||
.await
|
||
.map_err(|e| anyhow::anyhow!("连接 PostgreSQL 服务器失败: {}", e))?;
|
||
|
||
// 检查数据库是否存在，不存在则创建
|
||
// PostgreSQL 不支持 CREATE DATABASE IF NOT EXISTS，需要先查询
|
||
let check_query = format!(
|
||
"SELECT 1 FROM pg_database WHERE datname='{}'",
|
||
database_name
|
||
);
|
||
|
||
let result = conn
|
||
.query_one(Statement::from_string(
|
||
sea_orm::DatabaseBackend::Postgres,
|
||
check_query,
|
||
))
|
||
.await
|
||
.map_err(|e| anyhow::anyhow!("检查 PostgreSQL 数据库失败: {e}"))?;
|
||
|
||
match result {
|
||
Some(_) => {
|
||
tracing::info!("PostgreSQL 数据库 '{}' 已存在", database_name);
|
||
}
|
||
None => {
|
||
// 数据库不存在，创建它
|
||
let create_query = format!(
|
||
"CREATE DATABASE {} WITH ENCODING 'UTF8' LC_COLLATE='en_US.UTF-8' LC_CTYPE='en_US.UTF-8'",
|
||
database_name
|
||
);
|
||
|
||
conn.execute(Statement::from_string(
|
||
sea_orm::DatabaseBackend::Postgres,
|
||
create_query,
|
||
))
|
||
.await
|
||
.map_err(|e| anyhow::anyhow!("创建 PostgreSQL 数据库失败: {}", e))?;
|
||
|
||
tracing::info!("✅ PostgreSQL 数据库 '{}' 创建成功", database_name);
|
||
}
|
||
}
|
||
|
||
Ok(())
|
||
}
|
||
|
||
fn validate_database_name(name: &str) -> anyhow::Result<()> {
|
||
if name.is_empty()
|
||
|| !name
|
||
.bytes()
|
||
.all(|value| value.is_ascii_alphanumeric() || value == b'_')
|
||
{
|
||
anyhow::bail!("数据库名称只能包含字母、数字和下划线");
|
||
}
|
||
Ok(())
|
||
}
|
||
|
||
/// 为 SQLite 确保数据库文件目录存在
|
||
async fn init_sqlite_database(config: &DatabaseConfig) -> anyhow::Result<()> {
|
||
let path = config
|
||
.path
|
||
.as_ref()
|
||
.ok_or_else(|| anyhow::anyhow!("SQLite 需要配置 database.path"))?;
|
||
|
||
// 如果是相对路径，转换为绝对路径
|
||
let absolute_path = if path.is_absolute() {
|
||
path.clone()
|
||
} else {
|
||
std::env::current_dir()
|
||
.map_err(|e| anyhow::anyhow!("获取当前目录失败: {}", e))?
|
||
.join(path)
|
||
};
|
||
|
||
tracing::info!("SQLite 数据库路径: {}", absolute_path.display());
|
||
|
||
// 获取数据库文件的父目录
|
||
if let Some(parent) = absolute_path.parent() {
|
||
// 如果父目录不存在，则创建
|
||
if !parent.exists() {
|
||
std::fs::create_dir_all(parent)
|
||
.map_err(|e| anyhow::anyhow!("创建 SQLite 数据库目录失败: {}", e))?;
|
||
tracing::info!("✅ SQLite 数据库目录创建成功: {}", parent.display());
|
||
} else {
|
||
tracing::info!("SQLite 数据库目录已存在: {}", parent.display());
|
||
}
|
||
}
|
||
|
||
// 如果数据库文件不存在，创建空文件
|
||
if !absolute_path.exists() {
|
||
std::fs::File::create(&absolute_path)
|
||
.map_err(|e| anyhow::anyhow!("创建 SQLite 数据库文件失败: {}", e))?;
|
||
tracing::info!("✅ SQLite 数据库文件创建成功: {}", absolute_path.display());
|
||
} else {
|
||
tracing::info!("SQLite 数据库文件已存在: {}", absolute_path.display());
|
||
}
|
||
|
||
Ok(())
|
||
}
|
||
|
||
/// 辅助函数：创建单个表（如果不存在）
|
||
async fn create_single_table<E>(
|
||
db: &DatabaseConnection,
|
||
schema: &Schema,
|
||
builder: &DbBackend,
|
||
entity: E,
|
||
table_name: &str,
|
||
) -> anyhow::Result<()>
|
||
where
|
||
E: EntityName + EntityTrait,
|
||
{
|
||
let create_table = schema.create_table_from_entity(entity);
|
||
|
||
let sql = match builder {
|
||
DbBackend::MySql => {
|
||
use sea_orm::sea_query::MysqlQueryBuilder;
|
||
create_table.to_string(MysqlQueryBuilder {})
|
||
}
|
||
DbBackend::Postgres => {
|
||
use sea_orm::sea_query::PostgresQueryBuilder;
|
||
create_table.to_string(PostgresQueryBuilder {})
|
||
}
|
||
DbBackend::Sqlite => {
|
||
use sea_orm::sea_query::SqliteQueryBuilder;
|
||
create_table.to_string(SqliteQueryBuilder {})
|
||
}
|
||
};
|
||
|
||
let sql = sql.replace("CREATE TABLE", "CREATE TABLE IF NOT EXISTS");
|
||
|
||
match db.execute(Statement::from_string(*builder, sql)).await {
|
||
Ok(_) => {
|
||
tracing::info!("✅ {}检查完成", table_name);
|
||
}
|
||
Err(e) => {
|
||
let err_msg = e.to_string();
|
||
if err_msg.contains("already exists")
|
||
|| (err_msg.contains("table") && err_msg.contains("exists"))
|
||
{
|
||
tracing::info!("✅ {}已存在", table_name);
|
||
} else {
|
||
return Err(anyhow::anyhow!("创建{}失败: {}", table_name, e));
|
||
}
|
||
}
|
||
}
|
||
|
||
Ok(())
|
||
}
|
||
|
||
/// 创建数据库表结构
|
||
async fn create_tables(db: &DatabaseConnection) -> anyhow::Result<()> {
|
||
tracing::info!("检查数据库表结构...");
|
||
|
||
let builder = db.get_database_backend();
|
||
let schema = Schema::new(builder);
|
||
|
||
// 导入所有 entities
|
||
use crate::domain::entities::{email_logs, user_profiles, users};
|
||
|
||
// 创建所有表（添加新表只需一行！）
|
||
create_single_table(db, &schema, &builder, users::Entity, "用户表").await?;
|
||
create_single_table(db, &schema, &builder, user_profiles::Entity, "用户资料表").await?;
|
||
create_single_table(db, &schema, &builder, email_logs::Entity, "邮件日志表").await?;
|
||
|
||
tracing::info!("✅ 数据库表结构检查完成");
|
||
|
||
Ok(())
|
||
}
|