issues.js

const sendGitHubAPIRequest = require('./github-api-request')

const getIssue = async (context, token, owner, repo, issue_number) => {
    return await sendGitHubAPIRequest(context, token, 'GET', `/repos/${owner}/${repo}/issues/${issue_number}`)
}

const addIssueComment = async (context, token, owner, repo, issue_number, comment) => {
    const answer = await sendGitHubAPIRequest(
        context,
        token,
        'POST',
        `/repos/${owner}/${repo}/issues/${issue_number}/comments`, {
            body: comment
        }
    )
    return {
        id: answer.id,
        html_url: answer.html_url
    }
}

const getIssueComment = async (context, token, owner, repo, comment_id) => {
    return await sendGitHubAPIRequest(context, token, 'GET', `/repos/${owner}/${repo}/issues/comments/${comment_id}`)
}

const getGitArtifactsCommentID = async (context, token, owner, repo, headSHA, tagGitWorkflowRunURL) => {
    const answer = await sendGitHubAPIRequest(context, token, 'GET', `/search/issues?q=repo:${owner}/${repo}+${headSHA}+type:pr+%22git-artifacts%22`, null, {
        Accept: 'application/vnd.github.text-match+json'
    })
    let commentID = false
    for (const item of answer.items) {
        for (const text_match of item.text_matches) {
            if (text_match.fragment.startsWith('/git-artifacts')) {
                if (commentID !== false) return false // more than one match, maybe a trickster at play, ignore altogether
                else {
                    commentID = text_match.object_url.replace(/^.*\/(\d+)$/, '$1')
                    break // continue with outer loop, to see whether another PR matches, too
                }
            }
        }
    }
    if (commentID === false) return false

    // ensure that this is the correct comment; It should contain the URL of the actual tag-git workflow run
    const comment = await getIssueComment(context, token, owner, repo, commentID)
    if (!comment) return false
    const needle = `The \`tag-git\` workflow run [was started](${tagGitWorkflowRunURL})`
    if (comment.body.includes(needle)) return commentID

    // nope, so let's look for other comments on the same PR
    commentID = false
    const comments = await sendGitHubAPIRequest(
        context,
        token,
        'GET',
        `/repos/${owner}/${repo}/issues/${comment.issue_url.replace(/^.*\/(\d+)$/, '$1')}/comments`
    )
    for (const comment2 of comments) {
        if (comment2.body.startsWith(`/git-artifacts`) && comment2.body.includes(needle)) {
            if (commentID !== false) return false // more than one match, maybe a trickster at play, ignore altogether
            commentID = comment2.id
        }
    }

    return commentID
}

const appendToIssueComment = async (context, token, owner, repo, comment_id, append) => {
    const data = await getIssueComment(context, token, owner, repo, comment_id)
    const answer = await sendGitHubAPIRequest(
        context,
        token,
        'PATCH',
        `/repos/${owner}/${repo}/issues/comments/${comment_id}`, {
            body: `${data.body}${data.body.endsWith('\n\n') ? '' : '\n\n'}${append}`
        }
    )
    return {
        id: answer.id,
        html_url: answer.html_url
    }
}

// `reaction` can be one of `+1`, `-1`, `laugh`, `confused`, `heart`, `hooray`, `rocket`, `eyes`
const createReactionForIssueComment = async (context, token, owner, repo, comment_id, reaction) => {
    const answer = await sendGitHubAPIRequest(
        context,
        token,
        'POST',
        `/repos/${owner}/${repo}/issues/comments/${comment_id}/reactions`, {
            content: reaction
        }
    )
    return answer.id
}

const getPRCommitSHA = async (context, token, owner, repo, pullRequestNumber) => {
    const answer = await sendGitHubAPIRequest(
        context,
        token,
        'GET',
        `/repos/${owner}/${repo}/pulls/${pullRequestNumber}`
    )
    return answer.head.sha
}

module.exports = {
    addIssueComment,
    getIssue,
    getGitArtifactsCommentID,
    getIssueComment,
    appendToIssueComment,
    createReactionForIssueComment,
    getPRCommitSHA
}