feat: product.
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@@ -0,0 +1,190 @@
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package models
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import (
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"encoding/json"
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"errors"
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"strings"
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"time"
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"gorm.io/gorm"
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)
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type ProductDefinition struct {
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ID uint `gorm:"primaryKey" json:"id"`
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Code string `gorm:"size:64;not null;uniqueIndex" json:"code"`
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Name string `gorm:"size:255;not null" json:"name"`
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Category string `gorm:"size:64;not null;default:'device';index" json:"category"`
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Description string `gorm:"size:1024" json:"description"`
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ParameterSchema string `gorm:"type:text" json:"parameterSchema"`
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TrackSerialNumber bool `gorm:"not null;default:false" json:"trackSerialNumber"`
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IsActive bool `gorm:"not null;default:true;index" json:"isActive"`
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Sort int `gorm:"not null;default:0;index" json:"sort"`
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CreatedAt int64 `gorm:"not null" json:"created_at"`
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UpdatedAt int64 `gorm:"not null" json:"updated_at"`
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}
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func (ProductDefinition) TableName() string {
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return "product_definitions"
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}
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func (p *ProductDefinition) BeforeCreate(tx *gorm.DB) (err error) {
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now := time.Now().UnixMilli()
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p.Code = normalizeProductCodeValue(p.Code)
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p.Name = strings.TrimSpace(p.Name)
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p.Category = normalizeProductCategoryValue(p.Category)
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p.Description = strings.TrimSpace(p.Description)
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p.ParameterSchema = normalizeJSONTextValue(p.ParameterSchema)
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p.CreatedAt = now
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p.UpdatedAt = now
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return nil
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}
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func (p *ProductDefinition) BeforeUpdate(tx *gorm.DB) (err error) {
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p.Code = normalizeProductCodeValue(p.Code)
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p.Name = strings.TrimSpace(p.Name)
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p.Category = normalizeProductCategoryValue(p.Category)
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p.Description = strings.TrimSpace(p.Description)
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p.ParameterSchema = normalizeJSONTextValue(p.ParameterSchema)
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p.UpdatedAt = time.Now().UnixMilli()
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return nil
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}
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func normalizeProductCodeValue(code string) string {
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return strings.TrimSpace(strings.ToLower(code))
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}
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func normalizeProductCategoryValue(category string) string {
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value := strings.TrimSpace(strings.ToLower(category))
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if value == "" {
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return "device"
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}
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return value
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}
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func normalizeJSONTextValue(value string) string {
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trimmed := strings.TrimSpace(value)
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if trimmed == "" {
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return ""
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}
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if !json.Valid([]byte(trimmed)) {
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return ""
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}
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return trimmed
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}
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type ProductParameterSchemaField struct {
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Key string `json:"key"`
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Label string `json:"label"`
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Type string `json:"type"`
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Required bool `json:"required"`
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Options []string `json:"options,omitempty"`
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}
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func mustJSON(value interface{}) string {
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bytes, err := json.Marshal(value)
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if err != nil {
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return "[]"
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}
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return string(bytes)
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}
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func EnsureDefaultProductDefinitions(db *gorm.DB) error {
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defaults := []ProductDefinition{
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{
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Code: "charging_case_large",
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Name: "充电收纳箱（20位）",
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Category: "container",
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Description: "可收纳20个手环的大充电收纳箱",
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ParameterSchema: mustJSON([]ProductParameterSchemaField{{Key: "capacity", Label: "容量", Type: "number", Required: false}, {Key: "powerAdapter", Label: "适配器型号", Type: "string", Required: false}}),
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TrackSerialNumber: true,
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IsActive: true,
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Sort: 10,
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},
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{
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Code: "charging_case_small",
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Name: "小充电收纳箱（10位）",
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Category: "container",
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Description: "可收纳10个手环的小充电收纳箱",
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ParameterSchema: mustJSON([]ProductParameterSchemaField{{Key: "capacity", Label: "容量", Type: "number", Required: false}, {Key: "powerAdapter", Label: "适配器型号", Type: "string", Required: false}}),
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TrackSerialNumber: true,
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IsActive: true,
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Sort: 20,
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},
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{
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Code: "collection_band",
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Name: "采集手环",
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Category: "wearable",
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Description: "用于智能心率采集、50米往返跑等项目的采集手环",
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ParameterSchema: mustJSON([]ProductParameterSchemaField{{Key: "bandSize", Label: "尺码", Type: "string", Required: false}, {Key: "firmwareVersion", Label: "固件版本", Type: "string", Required: false}}),
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TrackSerialNumber: true,
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IsActive: true,
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Sort: 30,
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},
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{
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Code: "control_tablet",
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Name: "控制平板",
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Category: "tablet",
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Description: "项目控制与操作使用的平板设备",
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ParameterSchema: mustJSON([]ProductParameterSchemaField{{Key: "screenSize", Label: "屏幕尺寸", Type: "string", Required: false}, {Key: "osVersion", Label: "系统版本", Type: "string", Required: false}}),
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TrackSerialNumber: true,
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IsActive: true,
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Sort: 40,
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},
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{
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Code: "collection_gateway",
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Name: "采集网关",
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Category: "gateway",
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Description: "用于设备数据采集与上传的网关",
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ParameterSchema: mustJSON([]ProductParameterSchemaField{{Key: "mac", Label: "MAC地址", Type: "string", Required: true}, {Key: "location", Label: "安装位置", Type: "string", Required: false}}),
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TrackSerialNumber: true,
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IsActive: true,
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Sort: 50,
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},
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{
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Code: "display_stand_screen",
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Name: "闺蜜机",
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Category: "display",
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Description: "用于投屏展示的移动显示设备",
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ParameterSchema: mustJSON([]ProductParameterSchemaField{{Key: "screenSize", Label: "屏幕尺寸", Type: "string", Required: false}, {Key: "resolution", Label: "分辨率", Type: "string", Required: false}}),
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TrackSerialNumber: true,
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IsActive: true,
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Sort: 60,
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},
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{
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Code: "led_light_strip",
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Name: "LED灯带",
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Category: "accessory",
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Description: "心肺耐力测试配套的LED灯带",
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ParameterSchema: mustJSON([]ProductParameterSchemaField{{Key: "length", Label: "长度", Type: "string", Required: false}, {Key: "colorMode", Label: "颜色模式", Type: "string", Required: false}}),
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TrackSerialNumber: true,
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IsActive: true,
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Sort: 70,
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},
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}
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for _, item := range defaults {
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var existing ProductDefinition
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err := db.Where("code = ?", item.Code).First(&existing).Error
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switch {
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case err == nil:
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existing.Name = item.Name
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existing.Category = item.Category
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existing.Description = item.Description
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existing.ParameterSchema = item.ParameterSchema
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existing.TrackSerialNumber = item.TrackSerialNumber
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existing.IsActive = item.IsActive
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existing.Sort = item.Sort
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if err := db.Save(&existing).Error; err != nil {
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return err
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}
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case errors.Is(err, gorm.ErrRecordNotFound):
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if err := db.Create(&item).Error; err != nil {
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return err
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}
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default:
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return err
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}
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}
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return nil
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}
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