133 lines
6.3 KiB
Go
133 lines
6.3 KiB
Go
package model
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import (
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"database/sql/driver"
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"encoding/json"
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"errors"
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"gorm.io/plugin/soft_delete"
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)
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// 增值套餐
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type ValueAddBundleProfile struct {
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Id int32 `gorm:"column:id;type:int(11);primary_key;AUTO_INCREMENT" json:"id"`
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UUID string `json:"uuid" gorm:"column:uuid;type:varchar(1024);comment:增值套餐UUID"`
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Num int32 `json:"num" gorm:"column:num;type:int;comment:视频数量"`
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OriginalPrice float32 `json:"originalPrice" gorm:"column:original_price;type:decimal(12,2);comment:原单价"`
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DiscountPrice float32 `json:"discountPrice" gorm:"column:discount_price;type:decimal(12,2);comment:优惠单价"`
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SavedAmount float32 `json:"savedAmount" gorm:"column:saved_amount;type:decimal(12,2);comment:节省金额"`
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TotalPrice float32 `json:"totalPrice" gorm:"column:total_price;type:decimal(12,2);comment:套餐总价"`
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DiscountPriceStatus bool `json:"discountPriceStatus" gorm:"column:discount_price_status;default:false;comment:优惠单价状态（true：等于 false：约等于）"`
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Choose bool `json:"choose" gorm:"column:choose;default:false;comment:可选条数（true：可以 false：不可以）"`
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//Type int32 `json:"type" gorm:"column:type;type:int;comment:类型 1:固定套餐 2:自定义套餐"`
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PriceType int32 `json:"priceType" gorm:"column:price_type;type:int;comment:套餐价格类型 1:人民币 2:美元"`
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Language string `json:"language" gorm:"column:language;type:varchar(32);comment:套餐语言 zh-CN EN"`
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AddBundleCommonUid string `json:"addBundleCommonUid" gorm:"column:add_bundle_common_uid;type:varchar(1024);comment:套餐公共ID"`
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CreatedAt int64 `gorm:"column:created_at;autoCreateTime"`
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UpdatedAt int32 `gorm:"column:updated_at;autoCreateTime"`
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DeletedAt soft_delete.DeletedAt
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}
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// 新增值套餐主表
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type ValueAddService struct {
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Id int32 `gorm:"column:id;type:int(11);primary_key;AUTO_INCREMENT" json:"id"`
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UUID string `json:"uuid" gorm:"column:uuid;type:varchar(1024);comment:增值套餐UUID"`
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ServiceName string `json:"serviceName" gorm:"column:service_name;type:varchar(1024);comment:增值服务名称"`
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ServiceType int32 `json:"serviceType" gorm:"column:service_type;type:int;comment:服务类型 1:视频 2:图文 3:数据报表 4:账号数 5:可用时长"`
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ValueAddServiceLang []ValueAddServiceLang `gorm:"foreignKey:UUID;references:UUID"`
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BundleToValueAddService []BundleToValueAddService `gorm:"foreignKey:ValueUid;references:UUID"`
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CreatedAt int64 `gorm:"column:created_at;autoCreateTime"`
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UpdatedAt int64 `gorm:"column:updated_at;autoCreateTime"`
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DeletedAt soft_delete.DeletedAt
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}
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// 新增值套餐语言表
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type ValueAddServiceLang struct {
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Id int32 `gorm:"column:id;type:int(11);primary_key;AUTO_INCREMENT" json:"id"`
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UUID string `json:"uuid" gorm:"column:uuid;type:varchar(1024);comment:增值套餐UUID"`
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ServiceName string `json:"serviceName" gorm:"column:service_name;type:varchar(1024);comment:增值服务名称"`
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ServiceType int32 `json:"serviceType" gorm:"column:service_type;type:int;comment:服务类型 1:视频 2:图文 3:数据报表 4:账号数 5:可用时长"`
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PriceMode int32 `json:"priceMode" gorm:"column:price_mode;type:int;comment:套餐价格类型 1:单价 2:总价"`
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OriginalPrice float32 `json:"originalPrice" gorm:"column:original_price;type:decimal(12,2);comment:原单价"`
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TotalPrice float32 `json:"totalPrice" gorm:"column:total_price;type:decimal(12,2);comment:增值服务总价"`
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Unit string `json:"unit" gorm:"column:unit;type:varchar(50);comment:单位 1:个 2:条 3:天 4:月 5:年"`
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Language string `json:"language" gorm:"column:language;type:varchar(32);comment:套餐语言 zh-CN zh-TW EN de-DE js-JP(中繁英德日)"`
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PriceType int64 `json:"priceType" gorm:"column:price_type;type:int;comment:币种 1:人民币 2:美元 3:日元 4:欧元"`
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Options PriceOptions `gorm:"column:options;type:json" json:"options"`
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CreatedAt int64 `gorm:"column:created_at;autoCreateTime"`
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UpdatedAt int64 `gorm:"column:updated_at;autoCreateTime"`
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DeletedAt soft_delete.DeletedAt
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}
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type PriceOptions []*PriceOption
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type PriceOption struct {
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Id int32 `json:"id"`
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Num int32 `json:"num"`
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Symbol string `json:"symbol"` // 符号> < = <= =>
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Price float32 `json:"price"` // 价格(根据priceMode决定是单价还是总价)
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}
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// 实现 driver.Valuer 接口
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func (o PriceOptions) Value() (driver.Value, error) {
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return json.Marshal(o)
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}
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// 实现 sql.Scanner 接口
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func (o *PriceOptions) Scan(value interface{}) error {
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bytes, ok := value.([]byte)
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if !ok {
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return errors.New("实现 sql.Scanner 接口 failed: type assertion to []byte failed")
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}
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return json.Unmarshal(bytes, o)
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}
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// 校验Options是否合法，避免同一数字被多个规则覆盖
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func ValidateOptions(options PriceOptions) (bool, error) {
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symbolSet := map[string]struct{}{">": {}, "<": {}, ">=": {}, "<=": {}, "=": {}}
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cover := make(map[int]struct{})
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for _, opt := range options {
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if opt.Num < 0 || opt.Num > 100 {
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return false, errors.New("数字范围错误")
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}
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if _, ok := symbolSet[opt.Symbol]; !ok {
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return false, errors.New("符号错误")
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}
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var nums []int
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switch opt.Symbol {
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case "=":
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nums = []int{int(opt.Num)}
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case ">":
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for i := int(opt.Num) + 1; i <= 100; i++ {
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nums = append(nums, i)
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}
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case ">=":
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for i := int(opt.Num); i <= 100; i++ {
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nums = append(nums, i)
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}
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case "<":
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for i := 1; i < int(opt.Num); i++ {
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nums = append(nums, i)
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}
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case "<=":
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for i := 1; i <= int(opt.Num); i++ {
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nums = append(nums, i)
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}
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}
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for _, n := range nums {
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if _, exist := cover[n]; exist {
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return false, errors.New("逻辑存在冲突，请重新设置")
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}
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cover[n] = struct{}{}
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}
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}
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return true, nil
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}
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func (m *ValueAddService) TableName() string {
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return "value_add_service"
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}
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func (m *ValueAddServiceLang) TableName() string {
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return "value_add_service_lang"
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}
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