app/api/controller/pullreq/comment_reaction_create.go - main - githubmirror/gitness

app/api/controller/pullreq/comment_reaction_create.go
85 строк3 KB
Abhinav Singh
feat: [CODE-5459]: add emoji reactions to PR comments UI (#5231)
01 июн 2026, 08:34
01 июн 2026, 08:346030f27
// Copyright 2023 Harness, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package pullreq

import (
	"context"
	"fmt"

	"github.com/harness/gitness/app/api/usererror"
	"github.com/harness/gitness/app/auth"
	"github.com/harness/gitness/types"
	"github.com/harness/gitness/types/enum"
)

// CommentReactionCreate adds an emoji reaction to a PR comment.
func (c *Controller) CommentReactionCreate(
	ctx context.Context,
	session *auth.Session,
	repoRef string,
	prNum int64,
	commentID int64,
	emoji enum.PullReqCommentReactionEmoji,
) (*types.PullReqCommentReaction, error) {
	repo, err := c.getRepoCheckAccess(ctx, session, repoRef, enum.PermissionRepoReview)
	if err != nil {
		return nil, fmt.Errorf("failed to acquire access to repo: %w", err)
	}

	pr, err := c.pullreqStore.FindByNumber(ctx, repo.ID, prNum)
	if err != nil {
		return nil, fmt.Errorf("failed to find pull request by number: %w", err)
	}

	comment, err := c.activityStore.Find(ctx, commentID)
	if err != nil {
		return nil, fmt.Errorf("failed to find comment: %w", err)
	}
	if comment == nil || comment.RepoID != pr.TargetRepoID || comment.PullReqID != pr.ID || comment.Deleted != nil {
		return nil, usererror.ErrNotFound
	}
	if err = validateCommentSupportsReactions(comment); err != nil {
		return nil, err
	}

	principalID := session.Principal.ID
	emojiKey := string(emoji)

	_, err = c.activityStore.UpdateOptLock(ctx, comment, func(act *types.PullReqActivity) error {
		if act.Metadata == nil {
			act.Metadata = &types.PullReqActivityMetadata{}
		}
		if act.Metadata.Reactions == nil {
			act.Metadata.Reactions = &types.PullReqActivityReactionsMetadata{
				Counts: make(map[string][]int64),
			}
		}
		for _, id := range act.Metadata.Reactions.Counts[emojiKey] {
			if id == principalID {
				return nil // idempotent: already reacted
			}
		}
		act.Metadata.Reactions.Counts[emojiKey] = append(act.Metadata.Reactions.Counts[emojiKey], principalID)
		return nil
	})
	if err != nil {
		return nil, fmt.Errorf("failed to update comment reaction: %w", err)
	}

	return &types.PullReqCommentReaction{
		Emoji:  emojiKey,
		Author: *session.Principal.ToPrincipalInfo(),
	}, nil
}