218 lines
5.2 KiB
Go
218 lines
5.2 KiB
Go
package sys
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import (
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"SciencesServer/app/api/admin/model"
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"SciencesServer/app/basic/controller"
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model2 "SciencesServer/app/common/model"
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"SciencesServer/app/session"
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"SciencesServer/config"
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"SciencesServer/utils"
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"errors"
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"strings"
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)
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type Banner struct {
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*session.Admin
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}
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type BannerHandle func(session *session.Admin) *Banner
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type (
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// BannerInfo 轮播图信息
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BannerInfo struct {
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ID string `json:"id"`
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TenantID string `json:"tenant_id"`
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*model2.SysBanner
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Area string `json:"area"`
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Images string `json:"images"`
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}
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// BannerLocalInfo 轮播图位置信息
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BannerLocalInfo struct {
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Title string `json:"title"`
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Children []*BannerLocalInfo `json:"children"`
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}
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// BannerMarkLocalInfo 轮播图临时位置信息
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BannerMarkLocalInfo struct {
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Title string `json:"title"`
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Children []string `json:"children"`
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}
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// BannerParams 轮播图参数信息
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BannerParams struct {
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ID, TenantID uint64
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Title, Local, Size, Images, Remark string
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IsMultiple int
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}
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)
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const (
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defaultFirstLevelKey string = "+home"
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)
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// tree 树状
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func (c *Banner) tree(src map[string][]string, key string) []*BannerLocalInfo {
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out := make([]*BannerLocalInfo, 0)
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data, has := src[key]
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if !has {
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return nil
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}
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for _, v := range data {
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out = append(out, &BannerLocalInfo{
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Title: v,
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Children: c.tree(src, v),
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})
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}
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return out
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}
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// merge 合并
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func (c *Banner) merge(obj, parentObj string, out map[string][]string) {
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if _, has := out[parentObj]; !has {
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out[parentObj] = []string{obj}
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return
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}
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if !utils.InArray(obj, out[parentObj]) {
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out[parentObj] = append(out[parentObj], obj)
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}
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}
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// filter 筛选
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func (c *Banner) filter(src []string, sep string) map[string][]string {
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// 解决方案>中小型企业
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// 解决方案>政府区域
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out := make(map[string][]string, 0)
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for _, v := range src {
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objs := strings.Split(v, sep)
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for i := 0; i < len(objs); i++ {
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parent := defaultFirstLevelKey
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if i > 0 {
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parent = objs[i-1]
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}
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c.merge(objs[i], parent, out)
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}
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}
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return out
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}
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// Instance 列表信息
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func (c *Banner) Instance(tenantID uint64, title, local string, page, pageSize int) (*controller.ReturnPages, error) {
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mSysBanner := model.NewSysBanner()
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where := make([]*model2.ModelWhere, 0)
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if c.TenantID > 0 {
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where = append(where, model2.NewWhere("b.tenant_id", c.TenantID))
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}
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if tenantID > 0 {
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where = append(where, model2.NewWhere("b.tenant_id", tenantID))
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}
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if title != "" {
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where = append(where, model2.NewWhereLike("b.title", title))
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}
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if local != "" {
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where = append(where, model2.NewWhereLike("b.local", local))
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}
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var count int64
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out, err := mSysBanner.Banner(page, pageSize, &count, where...)
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if err != nil {
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return nil, err
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}
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list := make([]*BannerInfo, 0)
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for _, v := range out {
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list = append(list, &BannerInfo{
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ID: v.GetEncodeID(), TenantID: v.GetEncodeTenantID(),
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SysBanner: v.SysBanner,
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Area: v.FormatBasic(),
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Images: v.Images.AnalysisSlice(config.SystemConfig[config.SysImageDomain]),
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})
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}
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return &controller.ReturnPages{Data: list, Count: count}, nil
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}
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// Form 数据操作
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func (c *Banner) Form(params *BannerParams) error {
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mSysBanner := model.NewSysBanner()
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if params.ID > 0 {
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mSysBanner.ID = params.ID
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isExist, err := model2.FirstField(mSysBanner.SysBanner, []string{"id", "tenant_id", "created_at"})
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if err != nil {
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return err
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} else if !isExist {
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return errors.New("操作错误,轮播图信息不存在或已被删除")
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}
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if c.TenantID > 0 && c.TenantID != mSysBanner.TenantID {
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return errors.New("操作错误,无权限操作")
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}
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}
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mSysBanner.Title = params.Title
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mSysBanner.Local = params.Local
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mSysBanner.Images.Images = params.Images
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mSysBanner.Size = params.Size
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mSysBanner.IsMultiple = params.IsMultiple
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mSysBanner.Remark = params.Remark
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if mSysBanner.ID > 0 {
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if c.TenantID <= 0 {
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mSysBanner.TenantID = params.TenantID
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}
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return model2.Updates(mSysBanner.SysBanner, mSysBanner.SysBanner)
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}
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mSysBanner.TenantID = params.TenantID
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if c.TenantID > 0 {
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mSysBanner.TenantID = c.TenantID
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}
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return model2.Create(mSysBanner.SysBanner)
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}
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// Local 位置信息
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func (c *Banner) Local(tenantID uint64) ([]*BannerLocalInfo, error) {
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mSysBanner := model.NewSysBanner()
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out := make([]string, 0)
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where := make([]*model2.ModelWhere, 0)
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if tenantID > 0 {
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where = append(where, model2.NewWhere("tenant_id", tenantID))
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}
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if err := model2.Pluck(mSysBanner.SysBanner, "local", &out, where...); err != nil {
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return nil, err
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}
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return c.tree(c.filter(out, ">"), defaultFirstLevelKey), nil
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}
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// Delete 删除操作
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func (c *Banner) Delete(id uint64) error {
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mSysBanner := model.NewSysBanner()
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mSysBanner.ID = id
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isExist, err := model2.FirstField(mSysBanner.SysBanner, []string{"id", "tenant_id"})
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if err != nil {
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return err
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} else if !isExist {
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return errors.New("操作错误,轮播图信息不存在或已被删除")
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} else if c.TenantID > 0 && mSysBanner.TenantID != c.TenantID {
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return errors.New("操作错误,无权限操作")
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}
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return model2.Delete(mSysBanner.SysBanner)
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}
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func NewBanner() BannerHandle {
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return func(session *session.Admin) *Banner {
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return &Banner{session}
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}
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}
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