124 lines
4.4 KiB
Go
124 lines
4.4 KiB
Go
// Code scaffolded by goctl. Safe to edit.
|
||
// goctl 1.9.2
|
||
|
||
package socialServiceInternship
|
||
|
||
import (
|
||
"context"
|
||
"database/sql"
|
||
"fmt"
|
||
"time"
|
||
|
||
"github.com/JACKYMYPERSON/hldrCenter/config"
|
||
"github.com/JACKYMYPERSON/hldrCenter/internal/social_service_internship/internal/model"
|
||
"github.com/JACKYMYPERSON/hldrCenter/internal/social_service_internship/internal/types"
|
||
|
||
"github.com/zeromicro/go-zero/core/logx"
|
||
)
|
||
|
||
type UpdateSocialServiceInternshipLogic struct {
|
||
logx.Logger
|
||
ctx context.Context
|
||
cfg *config.Config
|
||
model model.SocialServiceInternshipModel
|
||
}
|
||
|
||
func NewUpdateSocialServiceInternshipLogic(ctx context.Context, cfg *config.Config, model model.SocialServiceInternshipModel) *UpdateSocialServiceInternshipLogic {
|
||
return &UpdateSocialServiceInternshipLogic{
|
||
Logger: logx.WithContext(ctx),
|
||
ctx: ctx,
|
||
cfg: cfg,
|
||
model: model,
|
||
}
|
||
}
|
||
|
||
func (l *UpdateSocialServiceInternshipLogic) UpdateSocialServiceInternship(req *types.UpdateSocialServiceInternshipReq) (resp *types.UpdateSocialServiceInternshipResp, err error) {
|
||
// 1. 验证ID合法性（路径参数必填且有效）
|
||
if req.Id <= 0 {
|
||
return &types.UpdateSocialServiceInternshipResp{
|
||
Code: 400,
|
||
Msg: "实习项目ID不合法，必须大于0",
|
||
}, nil
|
||
}
|
||
|
||
// 2. 查询原记录（确认存在且未被软删除）
|
||
oldInternship, err := l.model.FindOne(context.Background(), req.Id)
|
||
if err != nil {
|
||
if err == model.ErrNotFound {
|
||
return &types.UpdateSocialServiceInternshipResp{
|
||
Code: 404,
|
||
Msg: "未找到该社会服务实习项目（或已被删除）",
|
||
}, nil
|
||
}
|
||
fmt.Printf("查询待更新实习项目失败，ID：%d，错误：%v\n", req.Id, err)
|
||
return &types.UpdateSocialServiceInternshipResp{
|
||
Code: 500,
|
||
Msg: "查询项目信息失败，请稍后重试",
|
||
}, nil
|
||
}
|
||
|
||
// 3. 构造更新数据（增量更新：仅覆盖请求中提供的非空值，其余保留原记录）
|
||
updateData := &model.SocialServiceInternship{
|
||
Id: req.Id, // 主键ID，用于SQL WHERE条件
|
||
// 基础字段：有新值则更新，无则保留原值
|
||
Title: getUpdateValue(req.Title, oldInternship.Title),
|
||
Subtitle: getUpdateValue(req.Subtitle, oldInternship.Subtitle),
|
||
CoverUrl: getUpdateValue(req.CoverUrl, oldInternship.CoverUrl),
|
||
Intro: getUpdateValue(req.Intro, oldInternship.Intro),
|
||
// 特殊字段：string → sql.NullString（适配Content字段类型）
|
||
Content: getNullStringFromUpdate(req.Content, oldInternship.Content),
|
||
ImageEditors: getUpdateValue(req.ImageEditors, oldInternship.ImageEditors),
|
||
TextEditors: getUpdateValue(req.TextEditors, oldInternship.TextEditors),
|
||
ChiefEditor: getUpdateValue(req.ChiefEditor, oldInternship.ChiefEditor),
|
||
Proofreaders: getUpdateValue(req.Proofreaders, oldInternship.Proofreaders),
|
||
Reviewers: getUpdateValue(req.Reviewers, oldInternship.Reviewers),
|
||
// 时间字段：发布时间保留原值，更新时间强制设为当前时间
|
||
PublishTime: oldInternship.PublishTime, // 发布时间不随更新改变
|
||
UpdateTime: time.Now(), // 最后修改时间自动更新
|
||
IsDelete: oldInternship.IsDelete, // 保留删除状态（不允许通过更新接口修改）
|
||
}
|
||
|
||
// 4. 调用Model层执行更新
|
||
err = l.model.Update(context.Background(), updateData)
|
||
if err != nil {
|
||
fmt.Printf("更新社会服务实习项目失败，ID：%d，错误：%v\n", req.Id, err)
|
||
return &types.UpdateSocialServiceInternshipResp{
|
||
Code: 500,
|
||
Msg: "项目更新失败，请稍后重试",
|
||
}, nil
|
||
}
|
||
|
||
// 5. 构造成功响应
|
||
resp = &types.UpdateSocialServiceInternshipResp{
|
||
Code: 0,
|
||
Msg: "实习项目更新成功",
|
||
}
|
||
|
||
return resp, nil
|
||
}
|
||
|
||
// ------------------------------
|
||
// 辅助函数（复用自政府项目模块，无需重复开发）
|
||
// ------------------------------
|
||
|
||
// getUpdateValue：处理普通字符串字段的增量更新
|
||
func getUpdateValue(newVal, oldVal string) string {
|
||
if newVal != "" {
|
||
return newVal // 有新值则使用新值
|
||
}
|
||
return oldVal // 无新值则保留原值
|
||
}
|
||
|
||
// getNullStringFromUpdate：处理Content字段的增量更新（string → sql.NullString）
|
||
func getNullStringFromUpdate(newContent string, oldNull sql.NullString) sql.NullString {
|
||
if newContent != "" {
|
||
// 新值非空：包装为有效sql.NullString
|
||
return sql.NullString{
|
||
String: newContent,
|
||
Valid: true,
|
||
}
|
||
}
|
||
// 新值为空：保留原记录的sql.NullString状态（可能是NULL或有效字符串）
|
||
return oldNull
|
||
}
|