85 lines
2.4 KiB
Go
85 lines
2.4 KiB
Go
// Code scaffolded by goctl. Safe to edit.
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// goctl 1.9.1
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package course_file
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import (
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"context"
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"fmt"
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"github.com/JACKYMYPERSON/hldrCenter/config"
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"github.com/JACKYMYPERSON/hldrCenter/internal/course_file/internal/model"
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"github.com/JACKYMYPERSON/hldrCenter/internal/course_file/internal/types"
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"github.com/zeromicro/go-zero/core/logx"
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)
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type CreateCourseFileLogic struct {
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logx.Logger
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ctx context.Context
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cfg *config.Config
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model model.CourseFileModel
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}
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func NewCreateCourseFileLogic(ctx context.Context, cfg *config.Config, model model.CourseFileModel) *CreateCourseFileLogic {
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return &CreateCourseFileLogic{
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Logger: logx.WithContext(ctx),
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ctx: ctx,
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cfg: cfg,
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model: model,
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}
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}
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func (l *CreateCourseFileLogic) CreateCourseFile(req *types.CreateCourseFileReq) (resp *types.CreateCourseFileResp, err error) {
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// 1. 参数校验（补充validate标签之外的业务校验）
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if req.ContentId <= 0 {
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return nil, fmt.Errorf("参数错误：关联的内容ID必须为正整数")
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}
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if len(req.Title) == 0 {
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return nil, fmt.Errorf("参数错误：文件标题不能为空")
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}
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if len(req.Title) > 255 {
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return nil, fmt.Errorf("参数错误：文件标题长度不能超过255字符")
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}
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if len(req.FileType) == 0 {
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return nil, fmt.Errorf("参数错误：文件类型不能为空")
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}
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if len(req.FileType) > 30 {
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return nil, fmt.Errorf("参数错误：文件类型长度不能超过30字符")
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}
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if len(req.FileUrl) == 0 {
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return nil, fmt.Errorf("参数错误：文件URL不能为空")
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}
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if len(req.FileUrl) > 255 {
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return nil, fmt.Errorf("参数错误：文件URL长度不能超过255字符")
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}
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// 2. 转换请求参数为Model层结构体（适配数据库字段类型）
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courseFile := &model.CourseFile{
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ContentId: int64(req.ContentId), // 假设Model层ContentId为int64类型
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Title: req.Title,
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FileType: req.FileType,
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FileUrl: req.FileUrl,
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}
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// 3. 调用Model层插入数据
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result, err := l.model.Insert(l.ctx, courseFile)
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if err != nil {
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return nil, fmt.Errorf("创建课程文件失败：%w", err)
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}
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// 4. 获取新增记录的ID（从插入结果中提取）
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newId, err := result.LastInsertId()
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if err != nil {
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return nil, fmt.Errorf("获取新增文件ID失败：%w", err)
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}
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// 5. 构造响应
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resp = &types.CreateCourseFileResp{
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Id: int(newId), // 转换int64为int（适配响应结构体）
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Message: "课程文件创建成功",
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}
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return resp, nil
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}
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