First commit

backend/internal/model/proxy.go

@@ -0,0 +1,45 @@
+package model
+
+import (
+	"fmt"
+	"time"
+
+	"gorm.io/gorm"
+)
+
+type Proxy struct {
+	ID        int64          `gorm:"primaryKey" json:"id"`
+	Name      string         `gorm:"size:100;not null" json:"name"`
+	Protocol  string         `gorm:"size:20;not null" json:"protocol"` // http/https/socks5
+	Host      string         `gorm:"size:255;not null" json:"host"`
+	Port      int            `gorm:"not null" json:"port"`
+	Username  string         `gorm:"size:100" json:"username"`
+	Password  string         `gorm:"size:100" json:"-"`
+	Status    string         `gorm:"size:20;default:active;not null" json:"status"` // active/disabled
+	CreatedAt time.Time      `gorm:"not null" json:"created_at"`
+	UpdatedAt time.Time      `gorm:"not null" json:"updated_at"`
+	DeletedAt gorm.DeletedAt `gorm:"index" json:"-"`
+}
+
+func (Proxy) TableName() string {
+	return "proxies"
+}
+
+// IsActive 检查是否激活
+func (p *Proxy) IsActive() bool {
+	return p.Status == "active"
+}
+
+// URL 返回代理URL
+func (p *Proxy) URL() string {
+	if p.Username != "" && p.Password != "" {
+		return fmt.Sprintf("%s://%s:%s@%s:%d", p.Protocol, p.Username, p.Password, p.Host, p.Port)
+	}
+	return fmt.Sprintf("%s://%s:%d", p.Protocol, p.Host, p.Port)
+}
+
+// ProxyWithAccountCount extends Proxy with account count information
+type ProxyWithAccountCount struct {
+	Proxy
+	AccountCount int64 `json:"account_count"`
+}