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feat: 新增 MySQL 数据库驱动支持，支持跨设备数据同步

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This commit is contained in:
兰缘小妖
2026-04-23 00:43:23 +08:00
parent 15f08ee2ca
commit 5b765c8b5e
17 changed files with 626 additions and 205 deletions
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42
backend/internal/config/config.go
View File

@@ -32,7 +32,13 @@ type ServerConfig struct {
// DatabaseConfig 数据库配置
type DatabaseConfig struct {
Path string `yaml:"path" mapstructure:"path" validate:"required"`
Driver string `yaml:"driver" mapstructure:"driver" validate:"required,oneof=sqlite mysql"`
Path string `yaml:"path" mapstructure:"path" validate:"required_if=Driver sqlite"`
Host string `yaml:"host" mapstructure:"host" validate:"required_if=Driver mysql"`
Port int `yaml:"port" mapstructure:"port" validate:"required_if=Driver mysql,min=1,max=65535"`
User string `yaml:"user" mapstructure:"user" validate:"required_if=Driver mysql"`
Password string `yaml:"password" mapstructure:"password"`
DBName string `yaml:"dbname" mapstructure:"dbname" validate:"required_if=Driver mysql"`
MaxIdleConns int `yaml:"max_idle_conns" mapstructure:"max_idle_conns" validate:"required,min=1"`
MaxOpenConns int `yaml:"max_open_conns" mapstructure:"max_open_conns" validate:"required,min=1"`
ConnMaxLifetime time.Duration `yaml:"conn_max_lifetime" mapstructure:"conn_max_lifetime" validate:"required"`
@@ -61,7 +67,13 @@ func DefaultConfig() *Config {
WriteTimeout: 30 * time.Second,
},
Database: DatabaseConfig{
Driver: "sqlite",
Path: filepath.Join(nexDir, "config.db"),
Host: "",
Port: 3306,
User: "",
Password: "",
DBName: "nex",
MaxIdleConns: 10,
MaxOpenConns: 100,
ConnMaxLifetime: 1 * time.Hour,
@@ -117,7 +129,13 @@ func setupDefaults(v *viper.Viper) {
v.SetDefault("server.read_timeout", "30s")
v.SetDefault("server.write_timeout", "30s")
v.SetDefault("database.driver", "sqlite")
v.SetDefault("database.path", filepath.Join(nexDir, "config.db"))
v.SetDefault("database.host", "")
v.SetDefault("database.port", 3306)
v.SetDefault("database.user", "")
v.SetDefault("database.password", "")
v.SetDefault("database.dbname", "nex")
v.SetDefault("database.max_idle_conns", 10)
v.SetDefault("database.max_open_conns", 100)
v.SetDefault("database.conn_max_lifetime", "1h")
@@ -138,7 +156,13 @@ func setupFlags(v *viper.Viper, flagSet *pflag.FlagSet) {
flagSet.Duration("server-read-timeout", 0, "读超时")
flagSet.Duration("server-write-timeout", 0, "写超时")
flagSet.String("database-driver", "", "数据库驱动：sqlite/mysql")
flagSet.String("database-path", "", "数据库文件路径")
flagSet.String("database-host", "", "MySQL 主机地址")
flagSet.Int("database-port", 0, "MySQL 端口")
flagSet.String("database-user", "", "MySQL 用户名")
flagSet.String("database-password", "", "MySQL 密码")
flagSet.String("database-dbname", "", "MySQL 数据库名")
flagSet.Int("database-max-idle-conns", 0, "最大空闲连接数")
flagSet.Int("database-max-open-conns", 0, "最大打开连接数")
flagSet.Duration("database-conn-max-lifetime", 0, "连接最大生命周期")
@@ -156,7 +180,13 @@ func setupFlags(v *viper.Viper, flagSet *pflag.FlagSet) {
v.BindPFlag("server.read_timeout", flagSet.Lookup("server-read-timeout"))
v.BindPFlag("server.write_timeout", flagSet.Lookup("server-write-timeout"))
v.BindPFlag("database.driver", flagSet.Lookup("database-driver"))
v.BindPFlag("database.path", flagSet.Lookup("database-path"))
v.BindPFlag("database.host", flagSet.Lookup("database-host"))
v.BindPFlag("database.port", flagSet.Lookup("database-port"))
v.BindPFlag("database.user", flagSet.Lookup("database-user"))
v.BindPFlag("database.password", flagSet.Lookup("database-password"))
v.BindPFlag("database.dbname", flagSet.Lookup("database-dbname"))
v.BindPFlag("database.max_idle_conns", flagSet.Lookup("database-max-idle-conns"))
v.BindPFlag("database.max_open_conns", flagSet.Lookup("database-max-open-conns"))
v.BindPFlag("database.conn_max_lifetime", flagSet.Lookup("database-conn-max-lifetime"))
@@ -268,7 +298,7 @@ func SaveConfig(cfg *Config) error {
return appErrors.Wrap(appErrors.ErrInternal, err)
}
return os.WriteFile(configPath, data, 0644)
return os.WriteFile(configPath, data, 0600)
}
// Validate validates the config
@@ -285,7 +315,13 @@ func (c *Config) PrintSummary() {
fmt.Println("\nAI Gateway 启动配置")
fmt.Println("==================")
fmt.Printf("服务器端口: %d\n", c.Server.Port)
fmt.Printf("数据库路径: %s\n", c.Database.Path)
if c.Database.Driver == "mysql" {
fmt.Printf("数据库类型: mysql\n")
fmt.Printf("数据库地址: %s:%d/%s\n", c.Database.Host, c.Database.Port, c.Database.DBName)
} else {
fmt.Printf("数据库类型: sqlite\n")
fmt.Printf("数据库路径: %s\n", c.Database.Path)
}
fmt.Printf("日志级别: %s\n", c.Log.Level)
fmt.Println("\n配置来源:")
configPath, _ := GetConfigPath()

95
backend/internal/config/config_test.go
View File

@@ -19,6 +19,12 @@ func TestDefaultConfig(t *testing.T) {
assert.Equal(t, 30*time.Second, cfg.Server.ReadTimeout)
assert.Equal(t, 30*time.Second, cfg.Server.WriteTimeout)
assert.Equal(t, "sqlite", cfg.Database.Driver)
assert.Equal(t, "", cfg.Database.Host)
assert.Equal(t, 3306, cfg.Database.Port)
assert.Equal(t, "", cfg.Database.User)
assert.Equal(t, "", cfg.Database.Password)
assert.Equal(t, "nex", cfg.Database.DBName)
assert.Equal(t, 10, cfg.Database.MaxIdleConns)
assert.Equal(t, 100, cfg.Database.MaxOpenConns)
assert.Equal(t, 1*time.Hour, cfg.Database.ConnMaxLifetime)
@@ -86,11 +92,76 @@ func TestConfig_Validate(t *testing.T) {
wantErr: false,
},
{
name: "数据库路径为空无效",
name: "SQLite模式路径为空无效",
modify: func(c *Config) { c.Database.Path = "" },
wantErr: true,
errMsg: "配置验证失败",
},
{
name: "driver值不合法",
modify: func(c *Config) { c.Database.Driver = "postgres" },
wantErr: true,
errMsg: "配置验证失败",
},
{
name: "MySQL配置有效",
modify: func(c *Config) {
c.Database.Driver = "mysql"
c.Database.Host = "localhost"
c.Database.Port = 3306
c.Database.User = "root"
c.Database.DBName = "nex"
c.Database.Path = ""
},
wantErr: false,
},
{
name: "MySQL模式host为空无效",
modify: func(c *Config) {
c.Database.Driver = "mysql"
c.Database.Host = ""
c.Database.User = "root"
c.Database.DBName = "nex"
c.Database.Path = ""
},
wantErr: true,
errMsg: "配置验证失败",
},
{
name: "MySQL模式user为空无效",
modify: func(c *Config) {
c.Database.Driver = "mysql"
c.Database.Host = "localhost"
c.Database.User = ""
c.Database.DBName = "nex"
c.Database.Path = ""
},
wantErr: true,
errMsg: "配置验证失败",
},
{
name: "MySQL模式dbname为空无效",
modify: func(c *Config) {
c.Database.Driver = "mysql"
c.Database.Host = "localhost"
c.Database.User = "root"
c.Database.DBName = ""
c.Database.Path = ""
},
wantErr: true,
errMsg: "配置验证失败",
},
{
name: "MySQL模式忽略path字段",
modify: func(c *Config) {
c.Database.Driver = "mysql"
c.Database.Host = "localhost"
c.Database.User = "root"
c.Database.DBName = "nex"
c.Database.Path = ""
},
wantErr: false,
},
}
for _, tt := range tests {
@@ -140,7 +211,10 @@ func TestSaveAndLoadConfig(t *testing.T) {
WriteTimeout: 20 * time.Second,
},
Database: DatabaseConfig{
Driver: "sqlite",
Path: filepath.Join(dir, "test.db"),
Port: 3306,
DBName: "nex",
MaxIdleConns: 5,
MaxOpenConns: 50,
ConnMaxLifetime: 30 * time.Minute,
@@ -210,6 +284,9 @@ func TestConfigPriority(t *testing.T) {
assert.Equal(t, 9826, cfg.Server.Port)
assert.Equal(t, 30*time.Second, cfg.Server.ReadTimeout)
assert.Equal(t, 30*time.Second, cfg.Server.WriteTimeout)
assert.Equal(t, "sqlite", cfg.Database.Driver)
assert.Equal(t, 3306, cfg.Database.Port)
assert.Equal(t, "nex", cfg.Database.DBName)
assert.Equal(t, 10, cfg.Database.MaxIdleConns)
assert.Equal(t, 100, cfg.Database.MaxOpenConns)
assert.Equal(t, 1*time.Hour, cfg.Database.ConnMaxLifetime)
@@ -222,11 +299,19 @@ func TestConfigPriority(t *testing.T) {
}
func TestPrintSummary(t *testing.T) {
// 测试配置摘要输出
t.Run("打印配置摘要", func(t *testing.T) {
t.Run("SQLite模式摘要", func(t *testing.T) {
cfg := DefaultConfig()
// PrintSummary 只是打印，不会返回错误
// 这里主要验证不会 panic
assert.NotPanics(t, func() {
cfg.PrintSummary()
})
})
t.Run("MySQL模式摘要", func(t *testing.T) {
cfg := DefaultConfig()
cfg.Database.Driver = "mysql"
cfg.Database.Host = "db.example.com"
cfg.Database.Port = 3306
cfg.Database.User = "nex"
cfg.Database.DBName = "nex"
assert.NotPanics(t, func() {
cfg.PrintSummary()
})