|
| 1 | +name: auto_assign_issue |
| 2 | + |
| 3 | +on: |
| 4 | + issue_comment: |
| 5 | + types: [created] |
| 6 | + |
| 7 | +permissions: |
| 8 | + issues: write |
| 9 | + pull-requests: read |
| 10 | + contents: read |
| 11 | + |
| 12 | +jobs: |
| 13 | + assign: |
| 14 | + if: github.event.issue.pull_request == null |
| 15 | + runs-on: ubuntu-latest |
| 16 | + |
| 17 | + steps: |
| 18 | + - name: Assign commenter |
| 19 | + uses: actions/github-script@v7 |
| 20 | + with: |
| 21 | + script: | |
| 22 | + const owner = context.repo.owner; |
| 23 | + const repo = context.repo.repo; |
| 24 | + const issue_number = context.payload.issue.number; |
| 25 | + const assignee = context.payload.comment.user.login; |
| 26 | +
|
| 27 | + const comment_id = context.payload.comment.id; |
| 28 | +
|
| 29 | + const body = (context.payload.comment.body || '').toLowerCase(); |
| 30 | +
|
| 31 | + // keyword check for auto-assigning |
| 32 | + const hasAssignKeyword = |
| 33 | + body.includes('assign me') || |
| 34 | + body.includes('assign it to me') || |
| 35 | + body.includes('assign this to me') || |
| 36 | + body.includes('assign this issue to me') || |
| 37 | + body.includes('assign the issue to me'); |
| 38 | +
|
| 39 | + if (!hasAssignKeyword) { |
| 40 | + core.info('No assign keyword found.'); |
| 41 | + return; |
| 42 | + } |
| 43 | +
|
| 44 | + // Helper: react to the triggering comment |
| 45 | + async function react(content) { |
| 46 | + try { |
| 47 | + await github.rest.reactions.createForIssueComment({ |
| 48 | + owner, |
| 49 | + repo, |
| 50 | + comment_id, |
| 51 | + content, // "+1", "confused", "rocket", etc. |
| 52 | + }); |
| 53 | + } catch (e) { |
| 54 | + // If reactions aren't permitted for some reason, don't fail the whole workflow. |
| 55 | + core.info(`Could not add reaction (${content}): ${e.message}`); |
| 56 | + } |
| 57 | + } |
| 58 | +
|
| 59 | + // 1) Don't reassign if already assigned |
| 60 | + const current = context.payload.issue.assignees?.map(a => a.login) || []; |
| 61 | + if (current.length > 0) { |
| 62 | + core.info(`Already assigned to: ${current.join(', ')}`); |
| 63 | + await react('confused'); |
| 64 | + return; |
| 65 | + } |
| 66 | +
|
| 67 | + // Helper: format issue as a single markdown link line (prevents duplicate link/title rendering) |
| 68 | + function formatIssueLine(i) { |
| 69 | + return `- [#${i.number} — ${i.title}](${i.url})`; |
| 70 | + } |
| 71 | +
|
| 72 | + // Helper: suggest other unblocked issues |
| 73 | + async function getSuggestions(limit = 5) { |
| 74 | + // open issues, unassigned, not blocked |
| 75 | + const q = `repo:${owner}/${repo} is:issue is:open no:assignee -label:blocked`; |
| 76 | + const res = await github.rest.search.issuesAndPullRequests({ q, per_page: limit }); |
| 77 | + return (res.data.items || []).map(i => ({ |
| 78 | + number: i.number, |
| 79 | + title: i.title, |
| 80 | + url: i.html_url, |
| 81 | + })); |
| 82 | + } |
| 83 | +
|
| 84 | + // 2) Block if label "blocked" exists (and suggest alternatives) |
| 85 | + const labels = (context.payload.issue.labels || []) |
| 86 | + .map(l => (typeof l === 'string' ? l : l.name)) |
| 87 | + .filter(Boolean) |
| 88 | + .map(l => l.toLowerCase()); |
| 89 | +
|
| 90 | + if (labels.includes('blocked')) { |
| 91 | + const suggestions = await getSuggestions(5); |
| 92 | + const suggestionText = suggestions.length |
| 93 | + ? suggestions.map(formatIssueLine).join('\n') |
| 94 | + : '_No unblocked, unassigned issues found right now._'; |
| 95 | +
|
| 96 | + await github.rest.issues.createComment({ |
| 97 | + owner, repo, issue_number, |
| 98 | + body: [ |
| 99 | + `⛔ Sorry @${assignee} — this issue is currently **blocked** and can’t be claimed yet.`, |
| 100 | + ``, |
| 101 | + `Here are some other **unblocked** issues you can pick up instead:`, |
| 102 | + suggestionText, |
| 103 | + ].join('\n'), |
| 104 | + }); |
| 105 | +
|
| 106 | + await react('confused'); |
| 107 | + return; |
| 108 | + } |
| 109 | +
|
| 110 | + // 3) Capacity check: |
| 111 | + // If the candidate has 2 assigned issues that do NOT have PRs, then do not assign a new issue. |
| 112 | + // |
| 113 | + // "Linked" here means: a PR cross-references the issue (GitHub timeline cross-reference), |
| 114 | + // and the PR is authored by the candidate. |
| 115 | + async function hasLinkedPRForIssue(issueNum) { |
| 116 | + const query = ` |
| 117 | + query($owner: String!, $repo: String!, $number: Int!) { |
| 118 | + repository(owner: $owner, name: $repo) { |
| 119 | + issueOrPullRequest(number: $number) { |
| 120 | + __typename |
| 121 | + ... on Issue { |
| 122 | + timelineItems(last: 50, itemTypes: [CROSS_REFERENCED_EVENT]) { |
| 123 | + nodes { |
| 124 | + __typename |
| 125 | + ... on CrossReferencedEvent { |
| 126 | + source { |
| 127 | + __typename |
| 128 | + ... on PullRequest { |
| 129 | + number |
| 130 | + url |
| 131 | + state |
| 132 | + isDraft |
| 133 | + author { login } |
| 134 | + } |
| 135 | + } |
| 136 | + } |
| 137 | + } |
| 138 | + } |
| 139 | + } |
| 140 | + } |
| 141 | + } |
| 142 | + } |
| 143 | + `; |
| 144 | +
|
| 145 | + const data = await github.graphql(query, { owner, repo, number: issueNum }); |
| 146 | +
|
| 147 | + const iop = data?.repository?.issueOrPullRequest; |
| 148 | + if (!iop || iop.__typename !== 'Issue') return false; |
| 149 | +
|
| 150 | + const nodes = iop.timelineItems?.nodes || []; |
| 151 | + for (const n of nodes) { |
| 152 | + if (n?.__typename !== 'CrossReferencedEvent') continue; |
| 153 | + const pr = n?.source; |
| 154 | + if (pr?.__typename !== 'PullRequest') continue; |
| 155 | +
|
| 156 | + if ((pr?.author?.login || '').toLowerCase() === assignee.toLowerCase()) { |
| 157 | + // Counts any PR state (OPEN/MERGED/CLOSED) as "has a PR for it". |
| 158 | + return true; |
| 159 | + } |
| 160 | + } |
| 161 | + return false; |
| 162 | + } |
| 163 | +
|
| 164 | + async function getOpenAssignedIssuesForUser() { |
| 165 | + // Find open issues assigned to this user in this repo |
| 166 | + const q = `repo:${owner}/${repo} is:issue is:open assignee:${assignee}`; |
| 167 | + const res = await github.rest.search.issuesAndPullRequests({ q, per_page: 20 }); |
| 168 | + return (res.data.items || []).map(i => ({ |
| 169 | + number: i.number, |
| 170 | + title: i.title, |
| 171 | + url: i.html_url, |
| 172 | + })); |
| 173 | + } |
| 174 | +
|
| 175 | + const assignedIssues = await getOpenAssignedIssuesForUser(); |
| 176 | +
|
| 177 | + // Count assigned issues that do NOT have PRs by this assignee |
| 178 | + const issuesWithoutPR = []; |
| 179 | + for (const it of assignedIssues) { |
| 180 | + const hasPR = await hasLinkedPRForIssue(it.number); |
| 181 | + if (!hasPR) issuesWithoutPR.push(it); |
| 182 | + if (issuesWithoutPR.length >= 2) break; // early exit |
| 183 | + } |
| 184 | +
|
| 185 | + if (issuesWithoutPR.length >= 2) { |
| 186 | + const noPRText = issuesWithoutPR |
| 187 | + .slice(0, 10) |
| 188 | + .map(formatIssueLine) |
| 189 | + .join('\n'); |
| 190 | +
|
| 191 | + await github.rest.issues.createComment({ |
| 192 | + owner, repo, issue_number, |
| 193 | + body: [ |
| 194 | + `⛔ Sorry @${assignee} — you already have **2 or more** assigned issues with **no pull request(s)**.`, |
| 195 | + ``, |
| 196 | + `Please open a PR for one of your assigned issues before claiming a new one:`, |
| 197 | + noPRText || '_Could not list the issues (unexpected)._', |
| 198 | + ``, |
| 199 | + `Tip: opening a **draft PR** is fine—once a PR is linked, you'll be able to claim another issue.`, |
| 200 | + ].join('\n'), |
| 201 | + }); |
| 202 | +
|
| 203 | + await react('confused'); |
| 204 | + return; |
| 205 | + } |
| 206 | +
|
| 207 | + // 4) Assign |
| 208 | + await github.rest.issues.addAssignees({ |
| 209 | + owner, repo, issue_number, |
| 210 | + assignees: [assignee], |
| 211 | + }); |
| 212 | +
|
| 213 | + await github.rest.issues.createComment({ |
| 214 | + owner, repo, issue_number, |
| 215 | + body: `🎉 Thank you for your interest in contributing!\n\nThe issue has been assigned to @${assignee}. Happy coding!`, |
| 216 | + }); |
| 217 | +
|
| 218 | + await react('rocket'); |
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