mini_create_article_logic.go
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package article
import (
"context"
"gitlab.fjmaimaimai.com/allied-creation/sumifcc-discuss/cmd/discuss/api/internal/logic/message"
"strconv"
"strings"
"text/template"
"unicode/utf8"
"gitlab.fjmaimaimai.com/allied-creation/sumifcc-discuss/cmd/discuss/api/internal/svc"
"gitlab.fjmaimaimai.com/allied-creation/sumifcc-discuss/cmd/discuss/api/internal/types"
"gitlab.fjmaimaimai.com/allied-creation/sumifcc-discuss/cmd/discuss/interanl/pkg/db/transaction"
"gitlab.fjmaimaimai.com/allied-creation/sumifcc-discuss/cmd/discuss/interanl/pkg/domain"
"gitlab.fjmaimaimai.com/allied-creation/sumifcc-discuss/pkg/tool/oss"
"gitlab.fjmaimaimai.com/allied-creation/sumifcc-discuss/pkg/xerr"
"github.com/samber/lo"
"github.com/zeromicro/go-zero/core/logx"
)
type MiniCreateArticleLogic struct {
logx.Logger
ctx context.Context
svcCtx *svc.ServiceContext
}
func NewMiniCreateArticleLogic(ctx context.Context, svcCtx *svc.ServiceContext) *MiniCreateArticleLogic {
return &MiniCreateArticleLogic{
Logger: logx.WithContext(ctx),
ctx: ctx,
svcCtx: svcCtx,
}
}
// 创建新文章
func (l *MiniCreateArticleLogic) MiniCreateArticle(req *types.MiniArticleCreateRequest) (resp *types.MiniArticleCreateResponse, err error) {
var conn = l.svcCtx.DefaultDBConn()
err = l.validateTextLimit(req)
if err != nil {
return nil, err
}
// 检查发布人
author, err := l.svcCtx.UserRepository.FindOne(l.ctx, conn, req.AuthorId)
if err != nil {
return nil, xerr.NewErrMsgErr("创建文章内容失败", err)
}
companyInfo, err := l.svcCtx.CompanyRepository.FindOne(l.ctx, conn, author.CompanyId)
if err != nil {
return nil, xerr.NewErrMsgErr("创建文章内容失败", err)
}
articleAuthor := domain.UserSimple{
Id: author.Id,
Name: author.Name,
Avatar: author.Avatar,
Position: author.Position,
Company: companyInfo.Name,
CompanyId: author.CompanyId,
}
if len(req.Images) > 9 {
return nil, xerr.NewErrMsg("图片数量最多9张")
}
//获取图片的尺寸大小
images := []domain.Image{}
for _, val := range req.Images {
fInfo, _ := oss.GetImageInfo(val)
w, _ := strconv.Atoi(fInfo.ImageWidth.Value)
h, _ := strconv.Atoi(fInfo.ImageHeight.Value)
images = append(images, domain.Image{
Url: val,
Width: w,
Height: h,
})
}
//检查文章可被哪些人查看
whoRead := []int64{}
if len(req.WhoRead) > 0 {
whoRead = lo.Uniq(req.WhoRead)
var u *domain.User
for _, val := range whoRead {
u, err = l.svcCtx.UserRepository.FindOne(l.ctx, conn, val)
if err != nil {
return nil, xerr.NewErrMsgErr("文章可查看人设置错误", err)
}
if u.CompanyId != author.CompanyId {
return nil, xerr.NewErrMsg("文章可查看人设置错误")
}
}
}
//检查文章可被哪些人评论
whoReview := []int64{}
if len(req.WhoReview) > 0 {
whoReview = lo.Uniq(req.WhoReview)
}
//有指定可查看人的情况
if len(whoRead) > 0 {
if len(whoReview) > 0 {
// 检查 whoRead 是否 完全包含 whoReview
ok := lo.Every(whoRead, whoReview)
if !ok {
return nil, xerr.NewErrMsg("文章可评论人设置错误")
}
}
if len(whoReview) == 0 {
//有指定可查看人 ,但未指定可评论人
return nil, xerr.NewErrMsg("文章可评论人设置错误")
}
}
//没有指定可查看人的情况
if len(whoRead) == 0 {
if len(whoReview) > 0 {
// 未指定可查看人(全员可看),有指定可评论人,
var u *domain.User
for _, val := range whoReview {
u, err = l.svcCtx.UserRepository.FindOne(l.ctx, conn, val)
if err != nil {
return nil, xerr.NewErrMsgErr("文章可评论人设置错误", err)
}
if u.CompanyId != author.CompanyId {
return nil, xerr.NewErrMsg("文章可评论人设置错误")
}
}
}
// if len(whoReview) == 0 {
// 未指定可查看人(全员可看),未指定可评论人 ,忽略判断
// }
}
//切分文章分段
sectionList := []*domain.ArticleSection{}
newStr := ""
for i := range req.Section {
strList := strings.Split(req.Section[i], "\n")
for i2 := range strList {
newStr = template.HTMLEscapeString(strList[i2])
newSection := domain.ArticleSection{
Id: 0,
CompanyId: author.CompanyId,
ArticleId: 0,
Content: newStr,
SortBy: len(sectionList),
TotalComment: 0,
}
sectionList = append(sectionList, &newSection)
}
}
newArticle := &domain.Article{
Id: 0,
CompanyId: author.CompanyId,
AuthorId: author.Id,
Author: articleAuthor,
Title: req.Title,
Images: images,
WhoRead: whoRead,
WhoReview: whoReview,
Location: domain.Location{
Longitude: req.Location.Longitude,
Latitude: req.Location.Latitude,
Descript: req.Location.Descript,
},
TargetUser: domain.ArticleTargetAll,
CountLove: 0,
CountComment: 0,
CountRead: 0,
Show: domain.ArticleShowEnable,
Tags: []int64{},
MatchUrl: map[string]string{},
Videos: []domain.Video{},
}
if len(whoRead) > 0 {
newArticle.TargetUser = domain.ArticleTargetLimit
}
for k, v := range req.MatchUrl {
newArticle.MatchUrl[k] = v
}
//设置内容概要
newArticle.SetSummary(sectionList)
err = transaction.UseTrans(l.ctx, conn.DB(), func(ctx context.Context, c transaction.Conn) error {
newArticle, err = l.svcCtx.ArticleRepository.Insert(ctx, c, newArticle)
if err != nil {
return xerr.NewErrMsgErr("创建文章失败", err)
}
for i := range sectionList {
sectionList[i].ArticleId = newArticle.Id
_, err = l.svcCtx.ArticleSectionRepository.Insert(ctx, c, sectionList[i])
if err != nil {
return xerr.NewErrMsgErr("创建文章内容失败", err)
}
}
// 生成 备份数据
var backupData domain.ArticleBackup
backupData.MakeBackup(articleAuthor, newArticle, sectionList, "原始版本")
_, err = l.svcCtx.ArticleBackupRepository.Insert(l.ctx, conn, &backupData)
if err != nil {
return xerr.NewErrMsgErr("创建文章失败", err)
}
//发送订阅消息
err = message.NewMiniSubscribeLogic(l.ctx, l.svcCtx).FollowArticle(conn, newArticle)
if err != nil {
return xerr.NewErrMsgErr("创建文章失败", err)
}
return nil
}, true)
if err != nil {
return nil, xerr.NewErrMsgErr("创建文章失败", err)
}
resp = &types.MiniArticleCreateResponse{
Id: newArticle.Id,
}
return
}
// validateTextLimit 验证输入文本长度
func (l *MiniCreateArticleLogic) validateTextLimit(req *types.MiniArticleCreateRequest) error {
titleWordNum := utf8.RuneCountInString(req.Title)
if titleWordNum > 64 {
return xerr.NewErrMsg("标题最多只能输入64字")
}
wordNum := 0
for i := range req.Section {
num := utf8.RuneCountInString(req.Section[i])
wordNum += num
}
if wordNum > 1000 {
return xerr.NewErrMsg("内容最多只能输入1000字")
}
return nil
}