stale/src/main.ts

152 lines
4.0 KiB
TypeScript
Raw Normal View History

2019-08-04 09:34:59 +08:00
import * as core from '@actions/core';
import * as github from '@actions/github';
import * as Octokit from '@octokit/rest';
type Args = {
token: string;
repo_owner: string;
repo_name: string;
stale_age_days: number;
wait_after_stale_days: number;
max_operations_per_run: number;
stale_label: string;
stale_message: string;
};
async function run() {
try {
const args = getAndValidateArgs();
const octokit = new github.GitHub(args.token);
const issues = await octokit.issues.listForRepo({
owner: args.repo_owner,
repo: args.repo_name,
state: 'open'
});
let operationsLeft = args.max_operations_per_run - 1;
for (var issue of issues.data.values()) {
core.debug(
`found issue: ${issue.title} last updated ${issue.updated_at}`
);
if (isLabeledStale(issue, args.stale_label)) {
if (wasLastUpdatedBefore(issue, args.wait_after_stale_days)) {
operationsLeft -= await closeIssue(octokit, issue, args);
} else {
continue;
}
} else if (wasLastUpdatedBefore(issue, args.stale_age_days)) {
operationsLeft -= await markStale(octokit, issue, args);
}
if (operationsLeft <= 0) {
core.warning(
`performed ${args.max_operations_per_run} operations, exiting to avoid rate limit`
);
break;
}
}
} catch (error) {
core.error(error);
core.setFailed(error.message);
}
}
function isLabeledStale(
issue: Octokit.IssuesListForRepoResponseItem,
label: string
) {
return issue.labels.filter(i => i.name === label).length > 0;
}
function wasLastUpdatedBefore(
issue: Octokit.IssuesListForRepoResponseItem,
num_days: number
) {
const daysInMillis = 1000 * 60 * 60 * num_days;
const millisSinceLastUpdated =
new Date().getTime() - new Date(issue.updated_at).getTime();
core.debug(`${daysInMillis}, ${millisSinceLastUpdated}`);
return millisSinceLastUpdated >= daysInMillis;
}
async function markStale(
octokit: github.GitHub,
issue: Octokit.IssuesListForRepoResponseItem,
args: Args
) {
core.debug(`marking issue${issue.title} as stale`);
await octokit.issues.createComment({
owner: args.repo_owner,
repo: args.repo_name,
issue_number: issue.number,
body: args.stale_message
});
await octokit.issues.addLabels({
owner: args.repo_owner,
repo: args.repo_name,
issue_number: issue.number,
labels: [args.stale_label]
});
return 2; // operations performed
}
async function closeIssue(
octokit: github.GitHub,
issue: Octokit.IssuesListForRepoResponseItem,
args: Args
) {
core.debug(`closing issue ${issue.title} for being stale`);
await octokit.issues.update({
owner: args.repo_owner,
repo: args.repo_name,
issue_number: issue.number,
state: 'closed'
});
return 1; // operations performed
}
function getAndValidateArgs(): Args {
const args = {
token: process.env.GITHUB_TOKEN || '',
repo_owner: (process.env.GITHUB_REPOSITORY || '').split('/')[0],
repo_name: (process.env.GITHUB_REPOSITORY || '').split('/')[1],
stale_age_days: parseInt(core.getInput('stale_age_days')),
wait_after_stale_days: parseInt(core.getInput('wait_after_stale_days')),
max_operations_per_run: parseInt(core.getInput('max_operations_per_run')),
stale_label: core.getInput('stale_label'),
stale_message: core.getInput('stale_message')
};
if (!args.token) {
throw new Error('could not resolve token from GITHUB_TOKEN');
}
if (!args.repo_owner || !args.repo_name) {
throw new Error('could not resolve repo from GITHUB_REPOSITORY');
}
for (var stringInput of ['stale_label', 'stale_message']) {
if (!args[stringInput]) {
throw Error(`input ${stringInput} was empty`);
}
}
for (var numberInput of [ 'stale_age_days', 'wait_after_stale_days', 'max_operations_per_run' ]) {
if (isNaN(args[numberInput])) {
throw Error(`input ${numberInput} did not parse to a valid integer`);
}
}
return args;
}
run();