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73 lines
4.2 KiB
Go
73 lines
4.2 KiB
Go
package model
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import (
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"fmt"
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"math/rand"
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"time"
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"gorm.io/gorm"
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)
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// ExchangeOrder 换货单模型
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// 承载物流换货与直接换货的完整生命周期：后台发起 → 可选客户填写收货信息 → 可选后台发货 → 确认完成（含可选全量迁移） → 旧资产可转新
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// 状态机：shipping 为 1-待填写信息 → 2-待发货 → 3-已发货待确认 → 4-已完成，1/2 时可取消 → 5-已取消；direct 创建即完成为 4
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type ExchangeOrder struct {
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gorm.Model
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BaseModel `gorm:"embedded"`
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// 单号
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ExchangeNo string `gorm:"column:exchange_no;type:varchar(50);not null;uniqueIndex:idx_exchange_order_no,where:deleted_at IS NULL;comment:换货单号(EXC+日期+随机数)" json:"exchange_no"`
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// 流程类型
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FlowType string `gorm:"column:flow_type;type:varchar(20);not null;default:'shipping';index:idx_exchange_order_flow_status;comment:换货流程类型 shipping-物流换货 direct-直接换货" json:"flow_type"`
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// 旧资产快照
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OldAssetType string `gorm:"column:old_asset_type;type:varchar(20);not null;comment:旧资产类型(iot_card/device)" json:"old_asset_type"`
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OldAssetID uint `gorm:"column:old_asset_id;not null;index:idx_exchange_order_old_asset;comment:旧资产ID" json:"old_asset_id"`
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OldAssetIdentifier string `gorm:"column:old_asset_identifier;type:varchar(100);not null;comment:旧资产标识符(ICCID/虚拟号)" json:"old_asset_identifier"`
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// 新资产快照（发货时填写）
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NewAssetType string `gorm:"column:new_asset_type;type:varchar(20);comment:新资产类型(iot_card/device)" json:"new_asset_type"`
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NewAssetID *uint `gorm:"column:new_asset_id;comment:新资产ID" json:"new_asset_id,omitempty"`
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NewAssetIdentifier string `gorm:"column:new_asset_identifier;type:varchar(100);comment:新资产标识符(ICCID/虚拟号)" json:"new_asset_identifier"`
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// 收货信息（客户端填写）
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RecipientName string `gorm:"column:recipient_name;type:varchar(50);comment:收件人姓名" json:"recipient_name"`
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RecipientPhone string `gorm:"column:recipient_phone;type:varchar(20);comment:收件人电话" json:"recipient_phone"`
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RecipientAddress string `gorm:"column:recipient_address;type:text;comment:收货地址" json:"recipient_address"`
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// 物流信息（后台发货时填写）
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ExpressCompany string `gorm:"column:express_company;type:varchar(100);comment:快递公司" json:"express_company"`
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ExpressNo string `gorm:"column:express_no;type:varchar(100);comment:快递单号" json:"express_no"`
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// 迁移相关
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MigrateData bool `gorm:"column:migrate_data;type:boolean;default:false;comment:是否执行全量迁移" json:"migrate_data"`
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MigrationCompleted bool `gorm:"column:migration_completed;type:boolean;default:false;comment:迁移是否已完成" json:"migration_completed"`
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MigrationBalance int64 `gorm:"column:migration_balance;type:bigint;default:0;comment:迁移转移金额(分)" json:"migration_balance"`
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// 业务时间
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ShippedAt *time.Time `gorm:"column:shipped_at;comment:发货时间，仅物流换货发货成功后写入" json:"shipped_at,omitempty"`
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CompletedAt *time.Time `gorm:"column:completed_at;comment:换货完成时间，物流换货和直接换货完成后写入" json:"completed_at,omitempty"`
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// 业务信息
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ExchangeReason string `gorm:"column:exchange_reason;type:varchar(100);not null;comment:换货原因" json:"exchange_reason"`
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Remark *string `gorm:"column:remark;type:text;comment:备注" json:"remark,omitempty"`
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Status int `gorm:"column:status;type:int;not null;default:1;index:idx_exchange_order_status;comment:换货状态 1-待填写信息 2-待发货 3-已发货待确认 4-已完成 5-已取消" json:"status"`
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// 多租户
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ShopID *uint `gorm:"column:shop_id;index;comment:所属店铺ID" json:"shop_id,omitempty"`
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}
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// TableName 指定表名
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func (ExchangeOrder) TableName() string {
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return "tb_exchange_order"
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}
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// GenerateExchangeNo 生成换货单号
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// 格式：EXC + 年月日时分秒 + 6位随机数，如 EXC20260319143052123456
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func GenerateExchangeNo() string {
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now := time.Now()
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randomNum := rand.Intn(1000000)
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return fmt.Sprintf("EXC%s%06d", now.Format("20060102150405"), randomNum)
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}
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