v1.0.0

internal/domains/finance/value_objects/invoice_info.go

@@ -0,0 +1,105 @@
+package value_objects
+
+import (
+	"errors"
+	"strings"
+)
+
+// InvoiceInfo 发票信息值对象
+type InvoiceInfo struct {
+	CompanyName    string `json:"company_name"`    // 公司名称
+	TaxpayerID     string `json:"taxpayer_id"`     // 纳税人识别号
+	BankName       string `json:"bank_name"`       // 基本开户银行
+	BankAccount    string `json:"bank_account"`    // 基本开户账号
+	CompanyAddress string `json:"company_address"` // 企业注册地址
+	CompanyPhone   string `json:"company_phone"`   // 企业注册电话
+	ReceivingEmail string `json:"receiving_email"` // 发票接收邮箱
+}
+
+// NewInvoiceInfo 创建发票信息值对象
+func NewInvoiceInfo(companyName, taxpayerID, bankName, bankAccount, companyAddress, companyPhone, receivingEmail string) *InvoiceInfo {
+	return &InvoiceInfo{
+		CompanyName:    strings.TrimSpace(companyName),
+		TaxpayerID:     strings.TrimSpace(taxpayerID),
+		BankName:       strings.TrimSpace(bankName),
+		BankAccount:    strings.TrimSpace(bankAccount),
+		CompanyAddress: strings.TrimSpace(companyAddress),
+		CompanyPhone:   strings.TrimSpace(companyPhone),
+		ReceivingEmail: strings.TrimSpace(receivingEmail),
+	}
+}
+
+// ValidateForGeneralInvoice 验证普票信息
+func (ii *InvoiceInfo) ValidateForGeneralInvoice() error {
+	if ii.CompanyName == "" {
+		return errors.New("公司名称不能为空")
+	}
+	if ii.TaxpayerID == "" {
+		return errors.New("纳税人识别号不能为空")
+	}
+	if ii.ReceivingEmail == "" {
+		return errors.New("发票接收邮箱不能为空")
+	}
+	return nil
+}
+
+// ValidateForSpecialInvoice 验证专票信息
+func (ii *InvoiceInfo) ValidateForSpecialInvoice() error {
+	// 先验证普票必填项
+	if err := ii.ValidateForGeneralInvoice(); err != nil {
+		return err
+	}
+	
+	// 专票额外必填项
+	if ii.BankName == "" {
+		return errors.New("基本开户银行不能为空")
+	}
+	if ii.BankAccount == "" {
+		return errors.New("基本开户账号不能为空")
+	}
+	if ii.CompanyAddress == "" {
+		return errors.New("企业注册地址不能为空")
+	}
+	if ii.CompanyPhone == "" {
+		return errors.New("企业注册电话不能为空")
+	}
+	return nil
+}
+
+// IsComplete 检查信息是否完整（专票要求）
+func (ii *InvoiceInfo) IsComplete() bool {
+	return ii.CompanyName != "" &&
+		ii.TaxpayerID != "" &&
+		ii.BankName != "" &&
+		ii.BankAccount != "" &&
+		ii.CompanyAddress != "" &&
+		ii.CompanyPhone != "" &&
+		ii.ReceivingEmail != ""
+}
+
+// GetMissingFields 获取缺失的字段（专票要求）
+func (ii *InvoiceInfo) GetMissingFields() []string {
+	var missing []string
+	if ii.CompanyName == "" {
+		missing = append(missing, "公司名称")
+	}
+	if ii.TaxpayerID == "" {
+		missing = append(missing, "纳税人识别号")
+	}
+	if ii.BankName == "" {
+		missing = append(missing, "基本开户银行")
+	}
+	if ii.BankAccount == "" {
+		missing = append(missing, "基本开户账号")
+	}
+	if ii.CompanyAddress == "" {
+		missing = append(missing, "企业注册地址")
+	}
+	if ii.CompanyPhone == "" {
+		missing = append(missing, "企业注册电话")
+	}
+	if ii.ReceivingEmail == "" {
+		missing = append(missing, "发票接收邮箱")
+	}
+	return missing
+} 

internal/domains/finance/value_objects/invoice_type.go

@@ -0,0 +1,36 @@
+package value_objects
+
+// InvoiceType 发票类型枚举
+type InvoiceType string
+
+const (
+	InvoiceTypeGeneral InvoiceType = "general" // 增值税普通发票 (普票)
+	InvoiceTypeSpecial InvoiceType = "special" // 增值税专用发票 (专票)
+)
+
+// String 返回发票类型的字符串表示
+func (it InvoiceType) String() string {
+	return string(it)
+}
+
+// IsValid 验证发票类型是否有效
+func (it InvoiceType) IsValid() bool {
+	switch it {
+	case InvoiceTypeGeneral, InvoiceTypeSpecial:
+		return true
+	default:
+		return false
+	}
+}
+
+// GetDisplayName 获取发票类型的显示名称
+func (it InvoiceType) GetDisplayName() string {
+	switch it {
+	case InvoiceTypeGeneral:
+		return "增值税普通发票 (普票)"
+	case InvoiceTypeSpecial:
+		return "增值税专用发票 (专票)"
+	default:
+		return "未知类型"
+	}
+}