feat: group api

internal/models/types.go

@@ -1,7 +1,12 @@
 package models
 
 import (
+	"database/sql/driver"
+	"encoding/json"
+	"errors"
 	"time"
+
+	"gorm.io/datatypes"
 )
 
 // SystemSetting 对应 system_settings 表
@@ -14,16 +19,51 @@ type SystemSetting struct {
 	UpdatedAt    time.Time `json:"updated_at"`
 }
 
+// Upstreams 是一个上游地址的切片，可以被 GORM 正确处理
+type Upstreams []string
+
+// Value 实现 driver.Valuer 接口，用于将 Upstreams 类型转换为数据库值
+func (u Upstreams) Value() (driver.Value, error) {
+	if len(u) == 0 {
+		return "[]", nil
+	}
+	return json.Marshal(u)
+}
+
+// Scan 实现 sql.Scanner 接口，用于将数据库值扫描到 Upstreams 类型
+func (u *Upstreams) Scan(value interface{}) error {
+	bytes, ok := value.([]byte)
+	if !ok {
+		return errors.New("type assertion to []byte failed")
+	}
+	return json.Unmarshal(bytes, u)
+}
+
+// GroupConfig 存储特定于分组的配置
+type GroupConfig struct {
+	BlacklistThreshold         *int `json:"blacklist_threshold,omitempty"`
+	MaxRetries                 *int `json:"max_retries,omitempty"`
+	ServerReadTimeout          *int `json:"server_read_timeout,omitempty"`
+	ServerWriteTimeout         *int `json:"server_write_timeout,omitempty"`
+	ServerIdleTimeout          *int `json:"server_idle_timeout,omitempty"`
+	ServerGracefulShutdownTimeout *int `json:"server_graceful_shutdown_timeout,omitempty"`
+	RequestTimeout             *int `json:"request_timeout,omitempty"`
+	ResponseTimeout            *int `json:"response_timeout,omitempty"`
+	IdleConnTimeout            *int `json:"idle_conn_timeout,omitempty"`
+}
+
 // Group 对应 groups 表
 type Group struct {
-	ID          uint      `gorm:"primaryKey;autoIncrement" json:"id"`
-	Name        string    `gorm:"type:varchar(255);not null;unique" json:"name"`
-	Description string    `gorm:"type:varchar(512)" json:"description"`
-	ChannelType string    `gorm:"type:varchar(50);not null" json:"channel_type"`
-	Config      string    `gorm:"type:json" json:"config"`
-	APIKeys     []APIKey  `gorm:"foreignKey:GroupID" json:"api_keys"`
-	CreatedAt   time.Time `json:"created_at"`
-	UpdatedAt   time.Time `json:"updated_at"`
+	ID          uint              `gorm:"primaryKey;autoIncrement" json:"id"`
+	Name        string            `gorm:"type:varchar(255);not null;unique" json:"name"`
+	Description string            `gorm:"type:varchar(512)" json:"description"`
+	Upstreams   Upstreams         `gorm:"type:json;not null" json:"upstreams"`
+	ChannelType string            `gorm:"type:varchar(50);not null" json:"channel_type"`
+	Sort        int               `gorm:"default:0" json:"sort"`
+	Config      datatypes.JSONMap `gorm:"type:json" json:"config"`
+	APIKeys     []APIKey          `gorm:"foreignKey:GroupID" json:"api_keys"`
+	CreatedAt   time.Time         `json:"created_at"`
+	UpdatedAt   time.Time         `json:"updated_at"`
 }
 
 // APIKey 对应 api_keys 表