实现换货资产快照与新旧独立搜索
This commit is contained in:
133
internal/query/exchange/list.go
Normal file
133
internal/query/exchange/list.go
Normal file
@@ -0,0 +1,133 @@
|
||||
// Package exchange 提供换货读取用例。
|
||||
package exchange
|
||||
|
||||
import (
|
||||
"context"
|
||||
"time"
|
||||
|
||||
"github.com/break/junhong_cmp_fiber/internal/model"
|
||||
"github.com/break/junhong_cmp_fiber/internal/model/dto"
|
||||
"github.com/break/junhong_cmp_fiber/pkg/constants"
|
||||
"github.com/break/junhong_cmp_fiber/pkg/errors"
|
||||
"github.com/break/junhong_cmp_fiber/pkg/middleware"
|
||||
"gorm.io/gorm"
|
||||
)
|
||||
|
||||
// ListQuery 查询换货列表并完成权限、分页和响应投影。
|
||||
type ListQuery struct {
|
||||
db *gorm.DB
|
||||
}
|
||||
|
||||
type assetSide string
|
||||
|
||||
const (
|
||||
// oldAssetSide 表示旧资产查询侧。
|
||||
oldAssetSide assetSide = "old"
|
||||
// newAssetSide 表示新资产查询侧。
|
||||
newAssetSide assetSide = "new"
|
||||
)
|
||||
|
||||
// NewListQuery 创建换货列表查询。
|
||||
func NewListQuery(db *gorm.DB) *ListQuery {
|
||||
return &ListQuery{db: db}
|
||||
}
|
||||
|
||||
// List 按新旧资产关键词和其他列表条件查询换货单。
|
||||
func (q *ListQuery) List(ctx context.Context, req *dto.ExchangeListRequest) (*dto.ExchangeListResponse, error) {
|
||||
page := constants.DefaultPage
|
||||
if req.Page != nil {
|
||||
page = *req.Page
|
||||
}
|
||||
pageSize := constants.DefaultPageSize
|
||||
if req.PageSize != nil {
|
||||
pageSize = *req.PageSize
|
||||
}
|
||||
|
||||
query := q.db.WithContext(ctx).Model(&model.ExchangeOrder{})
|
||||
query = middleware.ApplyShopFilter(ctx, query)
|
||||
query = applyListFilters(query, req)
|
||||
|
||||
var total int64
|
||||
if err := query.Count(&total).Error; err != nil {
|
||||
return nil, errors.Wrap(errors.CodeDatabaseError, err, "查询换货单数量失败")
|
||||
}
|
||||
|
||||
var orders []*model.ExchangeOrder
|
||||
offset := (page - 1) * pageSize
|
||||
if err := query.Order("created_at DESC").Offset(offset).Limit(pageSize).Find(&orders).Error; err != nil {
|
||||
return nil, errors.Wrap(errors.CodeDatabaseError, err, "查询换货单列表失败")
|
||||
}
|
||||
|
||||
items := make([]*dto.ExchangeOrderResponse, 0, len(orders))
|
||||
for _, order := range orders {
|
||||
items = append(items, projectExchangeOrder(order))
|
||||
}
|
||||
return &dto.ExchangeListResponse{List: items, Total: total, Page: page, PageSize: pageSize}, nil
|
||||
}
|
||||
|
||||
// applyListFilters 组装列表计数和数据查询共用的全部过滤条件。
|
||||
func applyListFilters(query *gorm.DB, req *dto.ExchangeListRequest) *gorm.DB {
|
||||
if req.Status != nil {
|
||||
query = query.Where("status = ?", *req.Status)
|
||||
}
|
||||
if req.FlowType != "" {
|
||||
query = query.Where("COALESCE(NULLIF(flow_type, ''), ?) = ?", constants.ExchangeFlowTypeShipping, req.FlowType)
|
||||
}
|
||||
query = applyAssetKeyword(query, oldAssetSide, req.OldAssetKeyword)
|
||||
query = applyAssetKeyword(query, newAssetSide, req.NewAssetKeyword)
|
||||
if req.CreatedAtStart != nil {
|
||||
query = query.Where("created_at >= ?", *req.CreatedAtStart)
|
||||
}
|
||||
if req.CreatedAtEnd != nil {
|
||||
query = query.Where("created_at <= ?", *req.CreatedAtEnd)
|
||||
}
|
||||
return query
|
||||
}
|
||||
|
||||
// applyAssetKeyword 使用子查询按资产类型和主键命中，避免依赖历史快照内容或逐行读取资产。
|
||||
func applyAssetKeyword(query *gorm.DB, side assetSide, keyword string) *gorm.DB {
|
||||
if keyword == "" {
|
||||
return query
|
||||
}
|
||||
like := "%" + keyword + "%"
|
||||
cardIDs := query.Session(&gorm.Session{NewDB: true}).Model(&model.IotCard{}).
|
||||
Select("id").
|
||||
Where("iccid LIKE ? OR msisdn LIKE ? OR virtual_no LIKE ?", like, like, like)
|
||||
deviceIDs := query.Session(&gorm.Session{NewDB: true}).Model(&model.Device{}).
|
||||
Select("id").
|
||||
Where("virtual_no LIKE ? OR imei LIKE ? OR sn LIKE ?", like, like, like)
|
||||
prefix := string(side)
|
||||
return query.Where(
|
||||
"("+prefix+"_asset_type = ? AND "+prefix+"_asset_id IN (?)) OR ("+prefix+"_asset_type = ? AND "+prefix+"_asset_id IN (?))",
|
||||
constants.ExchangeAssetTypeIotCard, cardIDs, constants.ExchangeAssetTypeDevice, deviceIDs,
|
||||
)
|
||||
}
|
||||
|
||||
// projectExchangeOrder 将只读模型投影为列表响应，不用于后续写侧判断。
|
||||
func projectExchangeOrder(order *model.ExchangeOrder) *dto.ExchangeOrderResponse {
|
||||
var deletedAt *time.Time
|
||||
if order.DeletedAt.Valid {
|
||||
deletedAt = &order.DeletedAt.Time
|
||||
}
|
||||
return &dto.ExchangeOrderResponse{
|
||||
ID: order.ID, ExchangeNo: order.ExchangeNo,
|
||||
FlowType: effectiveFlowType(order.FlowType), FlowTypeName: constants.GetExchangeFlowTypeName(order.FlowType),
|
||||
OldAssetType: order.OldAssetType, OldAssetID: order.OldAssetID, OldAssetIdentifier: order.OldAssetIdentifier,
|
||||
NewAssetType: order.NewAssetType, NewAssetID: order.NewAssetID, NewAssetIdentifier: order.NewAssetIdentifier,
|
||||
RecipientName: order.RecipientName, RecipientPhone: order.RecipientPhone, RecipientAddress: order.RecipientAddress,
|
||||
ExpressCompany: order.ExpressCompany, ExpressNo: order.ExpressNo,
|
||||
MigrateData: order.MigrateData, MigrationCompleted: order.MigrationCompleted, MigrationBalance: order.MigrationBalance,
|
||||
ShippedAt: order.ShippedAt, CompletedAt: order.CompletedAt,
|
||||
ExchangeReason: order.ExchangeReason, Remark: order.Remark,
|
||||
Status: order.Status, StatusName: constants.GetExchangeStatusName(order.Status), StatusText: constants.GetExchangeStatusName(order.Status),
|
||||
ShopID: order.ShopID, CreatedAt: order.CreatedAt, UpdatedAt: order.UpdatedAt, DeletedAt: deletedAt,
|
||||
Creator: order.Creator, Updater: order.Updater,
|
||||
}
|
||||
}
|
||||
|
||||
func effectiveFlowType(flowType string) string {
|
||||
if flowType == "" {
|
||||
return constants.ExchangeFlowTypeShipping
|
||||
}
|
||||
return flowType
|
||||
}
|
||||
Reference in New Issue
Block a user