Files
2022-01-17 09:57:57 +08:00

218 lines
5.2 KiB
Go

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