96 lines
2.4 KiB
Go
96 lines
2.4 KiB
Go
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package commentservicelogic
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import (
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"app-cloudep-tweeting-service/gen_result/pb/tweeting"
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"app-cloudep-tweeting-service/internal/domain"
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model "app-cloudep-tweeting-service/internal/model/mongo"
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"app-cloudep-tweeting-service/internal/svc"
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ers "code.30cm.net/digimon/library-go/errs"
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"context"
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"errors"
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"github.com/zeromicro/go-zero/core/logx"
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)
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type NewCommentLogic struct {
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ctx context.Context
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svcCtx *svc.ServiceContext
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logx.Logger
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}
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func NewNewCommentLogic(ctx context.Context, svcCtx *svc.ServiceContext) *NewCommentLogic {
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return &NewCommentLogic{
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ctx: ctx,
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svcCtx: svcCtx,
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Logger: logx.WithContext(ctx),
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}
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}
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// 輸入的定義 -> 檢查用
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type newCommentReq struct {
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UID string `json:"uid" validate:"required"`
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Content string `json:"content" validate:"required,lte=500"` // 貼文限制 500 字內
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PostID string `json:"post_id" validate:"required"`
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}
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// NewComment 發表評論
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func (l *NewCommentLogic) NewComment(in *tweeting.CommentPostReq) (*tweeting.CommentPostResp, error) {
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// 驗證資料
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if err := l.svcCtx.Validate.ValidateAll(&newCommentReq{
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UID: in.GetUid(),
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Content: in.GetContent(),
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PostID: in.GetPostId(),
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}); err != nil {
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// 錯誤代碼 05-011-00
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return nil, ers.InvalidFormat(err.Error())
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}
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// 檢查是否有這個文章
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_, err := l.svcCtx.PostModel.FindOne(l.ctx, in.GetPostId())
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if err != nil {
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if errors.Is(model.ErrNotFound, err) {
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// 錯誤代碼 05-031-00
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return nil, ers.ResourceNotFound("failed to find post: ", in.GetPostId())
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}
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// 錯誤代碼 05-021-10
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e := domain.CommentErrorL(
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domain.CommentFoundErrorCode,
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logx.WithContext(l.ctx),
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[]logx.LogField{
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{Key: "req", Value: in},
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{Key: "func", Value: "PostModel.FindOne"},
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{Key: "err", Value: err},
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},
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"failed to find post:", in.GetPostId()).Wrap(err)
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return nil, e
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}
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data := &model.Comment{
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PostID: in.GetPostId(),
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UID: in.GetUid(),
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Content: in.GetContent(),
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LikeCount: 0,
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DisLikeCount: 0,
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}
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err = l.svcCtx.CommentModel.Insert(l.ctx, data)
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if err != nil {
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// 錯誤代碼 05-021-11
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e := domain.CommentErrorL(
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domain.CommentInsertErrorCode,
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logx.WithContext(l.ctx),
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[]logx.LogField{
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{Key: "req", Value: in},
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{Key: "func", Value: "CommentModel.Insert"},
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{Key: "err", Value: err},
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},
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"failed to insert comment:", in.GetPostId()).Wrap(err)
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return nil, e
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}
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return &tweeting.CommentPostResp{
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CommentId: data.ID.Hex(),
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}, nil
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}
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