105 lines
2.6 KiB
Go
105 lines
2.6 KiB
Go
package commentservicelogic
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import (
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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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"context"
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ers "code.30cm.net/digimon/library-go/errs"
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"app-cloudep-tweeting-service/gen_result/pb/tweeting"
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"app-cloudep-tweeting-service/internal/svc"
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"github.com/zeromicro/go-zero/core/logx"
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)
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type GetCommentsLogic 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 NewGetCommentsLogic(ctx context.Context, svcCtx *svc.ServiceContext) *GetCommentsLogic {
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return &GetCommentsLogic{
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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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// 只列出要驗證的資料
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type listReq struct {
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PostID string `json:"post_id" validate:"required"`
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PageSize int64 `json:"page_size" validate:"required"`
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PageIndex int64 `json:"page_index" validate:"required"`
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}
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// 將單個 Post 轉換為 PostDetailItem
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func convertToCommentDetailItem(item *model.Comment) *tweeting.CommentDetail {
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return &tweeting.CommentDetail{
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CommentId: item.ID.Hex(),
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Uid: item.UID,
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Content: item.Content,
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CreatedAt: item.CreateAt,
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LikeCount: item.LikeCount,
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DislikeCount: item.DisLikeCount,
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}
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}
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// GetComments 查詢評論
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// 目前應該是沒有需求是要看 uid 在哪裡留過言，如果未來業務邏輯有再新增
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func (l *GetCommentsLogic) GetComments(in *tweeting.GetCommentsReq) (*tweeting.GetCommentsResp, error) {
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// 將 PageSize 和 PageIndex 提前轉換為 int64
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pageSize := int64(in.GetPageSize())
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pageIndex := int64(in.GetPageIndex())
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// 驗證資料
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if err := l.svcCtx.Validate.ValidateAll(&listReq{
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PageSize: pageSize,
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PageIndex: pageIndex,
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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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// 構建查詢條件
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query := &model.QueryCommentModelReq{
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PostID: in.GetPostId(),
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PageSize: pageSize,
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PageIndex: pageIndex,
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}
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// 執行查詢
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find, count, err := l.svcCtx.CommentModel.Find(l.ctx, query)
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if err != nil {
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e := domain.CommentErrorL(
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domain.CommentListErrorCode,
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logx.WithContext(l.ctx),
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[]logx.LogField{
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{Key: "query", Value: query},
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{Key: "func", Value: "CommentModel.Find"},
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{Key: "err", Value: err},
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},
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"failed to find comment").Wrap(err)
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return nil, e
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}
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// 將查詢結果轉換為 API 回應格式
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result := make([]*tweeting.CommentDetail, 0, count)
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for _, item := range find {
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result = append(result, convertToCommentDetailItem(item))
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}
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// 返回結果
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return &tweeting.GetCommentsResp{
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Comments: result,
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Page: &tweeting.Pager{
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Total: count,
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Index: pageIndex,
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Size: pageSize,
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},
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}, nil
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}
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