336 lines
13 KiB
JavaScript
336 lines
13 KiB
JavaScript
function createReviewController({
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fetchJson,
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storage,
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createOperationId = () => globalThis.crypto?.randomUUID?.() || String(Date.now()) + '-' + Math.random(),
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}) {
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let pendingSubmission = null;
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function endpoint(item) {
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const [owner, repo] = String(item.repository || '').split('/');
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if (!owner || !repo || !Number.isInteger(Number(item.number))) {
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throw new Error('This review link is invalid.');
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}
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return 'api/v1/repos/' + encodeURIComponent(owner) + '/' + encodeURIComponent(repo) +
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'/pulls/' + Number(item.number) + '/review';
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}
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async function load(item) {
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return fetchJson(endpoint(item), { headers: { Accept: 'application/json' } });
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}
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function submit(item, payload) {
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if (pendingSubmission) return pendingSubmission;
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const operationKey = 'stackchain.review-submit.v1:' + item.repository + '#' + item.number;
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const fingerprint = JSON.stringify(payload);
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let operationId;
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try {
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const saved = JSON.parse(storage?.getItem(operationKey) || 'null');
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operationId = saved?.fingerprint === fingerprint && saved?.operationId
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? saved.operationId : String(createOperationId()).slice(0, 128);
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storage?.setItem(operationKey, JSON.stringify({ fingerprint, operationId }));
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} catch (_error) { operationId = String(createOperationId()).slice(0, 128); }
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pendingSubmission = fetchJson(endpoint(item), {
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method: 'POST',
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headers: {
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Accept: 'application/json', 'Content-Type': 'application/json',
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'Idempotency-Key': operationId,
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},
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body: JSON.stringify(payload),
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}).then(result => {
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try { storage?.removeItem(operationKey); }
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catch (_error) { /* A confirmed result no longer needs replay identity. */ }
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return result;
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}).finally(() => { pendingSubmission = null; });
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return pendingSubmission;
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}
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return { load, submit };
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}
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function diffLineClass(line) {
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if (line.startsWith('@@')) return 'hunk';
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if (line.startsWith('+')) return 'added';
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if (line.startsWith('-')) return 'removed';
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return 'context';
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}
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function parseDiffLines(lines) {
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let oldLine = null;
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let newLine = null;
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return (lines || []).map(value => {
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const text = String(value);
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const hunk = text.match(/^@@ -(\d+)(?:,\d+)? \+(\d+)(?:,\d+)? @@/);
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if (hunk) {
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oldLine = Number(hunk[1]);
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newLine = Number(hunk[2]);
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return { text, kind: 'hunk', commentable: false };
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}
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if (text.startsWith('\\')) return { text, kind: 'note', commentable: false };
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if (oldLine === null || newLine === null) {
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return { text, kind: diffLineClass(text), commentable: false };
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}
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if (text.startsWith('-')) {
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const row = { text, kind: 'removed', commentable: true, old_position: oldLine };
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oldLine += 1;
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return row;
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}
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if (text.startsWith('+')) {
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const row = { text, kind: 'added', commentable: true, new_position: newLine };
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newLine += 1;
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return row;
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}
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const row = { text, kind: 'context', commentable: true, new_position: newLine };
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oldLine += 1;
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newLine += 1;
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return row;
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});
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}
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function renderDiffFile(file, index, escapeHtml) {
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const panelId = 'review-diff-' + index;
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let preview;
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if (file.diff_available) {
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const lines = parseDiffLines(file.diff_lines).map(row => {
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if (!row.commentable) {
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return '<span class="review-diff-line ' + row.kind + '">' + escapeHtml(row.text) + '</span>';
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}
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const position = row.old_position
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? ' data-old-position="' + row.old_position + '"'
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: ' data-new-position="' + row.new_position + '"';
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return '<button type="button" class="review-diff-line review-inline-target ' + row.kind +
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'" data-review-filename="' + escapeHtml(file.filename || '') + '"' + position +
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' aria-label="Comment on ' + escapeHtml(file.filename || 'changed file') + ' line ' +
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(row.old_position || row.new_position) + '">' + escapeHtml(row.text) + '</button>';
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}).join('');
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preview = '<pre class="review-diff" id="' + panelId + '" hidden>' + lines +
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(file.diff_truncated ? '<span class="review-diff-note">Preview truncated · open in Gitea for the full diff.</span>' : '') +
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'</pre>';
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} else {
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const message = file.diff_binary ? 'Binary file · preview unavailable.' : 'Diff preview unavailable.';
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preview = '<div class="review-diff-empty" id="' + panelId + '" hidden>' + message +
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(file.diff_truncated ? ' The response was truncated.' : '') + '</div>';
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}
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const filename = escapeHtml(file.filename || 'Unknown file');
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return '<div class="review-file" data-review-filename="' + filename + '"><button class="review-file-toggle" aria-expanded="false" aria-controls="' + panelId + '">' +
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'<strong>' + filename + '</strong><span class="small">' +
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escapeHtml(file.status || 'changed') + ' · +' + Number(file.additions || 0) + ' / −' +
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Number(file.deletions || 0) + '</span></button>' + preview +
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'<label class="small" for="review-note-' + index + '">Note for ' + filename + '</label>' +
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'<textarea class="review-note" id="review-note-' + index + '" data-review-filename="' + filename + '" placeholder="Capture feedback for this file"></textarea>' +
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'<button class="review-mark" data-review-filename="' + filename + '" aria-pressed="false">Mark reviewed</button></div>';
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}
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function toggleDiff(button, panel) {
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const expanded = button.getAttribute('aria-expanded') === 'true';
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button.setAttribute('aria-expanded', String(!expanded));
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panel.hidden = expanded;
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}
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function createProgress({ storage, repository, number, headSha, files }) {
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const filenames = (files || []).map(file => file && file.filename).filter(Boolean);
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const key = 'stackchain.review-progress.v1:' + repository + '#' + number + '@' + headSha;
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const headKey = 'stackchain.review-progress.v1:' + repository + '#' + number + ':head';
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let reviewed = [];
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let newHead = false;
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try {
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const previousHead = storage.getItem(headKey);
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newHead = Boolean(previousHead && previousHead !== headSha);
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storage.setItem(headKey, headSha);
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const saved = JSON.parse(storage.getItem(key) || '[]');
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if (Array.isArray(saved)) reviewed = filenames.filter(filename => saved.includes(filename));
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} catch (error) {
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reviewed = [];
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}
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function snapshot() {
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const pending = filenames.find(filename => !reviewed.includes(filename)) || null;
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return {
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reviewed: [...reviewed],
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reviewedCount: reviewed.length,
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total: filenames.length,
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nextFilename: pending,
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...(newHead ? { newHead: true } : {}),
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};
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}
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function markReviewed(filename) {
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if (filenames.includes(filename) && !reviewed.includes(filename)) {
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reviewed.push(filename);
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reviewed = filenames.filter(item => reviewed.includes(item));
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try { storage.setItem(key, JSON.stringify(reviewed)); } catch (error) { /* local progress remains usable */ }
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}
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return snapshot();
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}
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function clear() {
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reviewed = [];
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newHead = false;
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try { storage.removeItem(key); } catch (error) { /* cleared in memory */ }
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return snapshot();
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}
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return { snapshot, markReviewed, clear };
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}
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function createDraft({ storage, repository, number, headSha, files }) {
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const filenames = (files || []).map(file => file && file.filename).filter(Boolean);
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const key = 'stackchain.review-draft.v1:' + repository + '#' + number + '@' + headSha;
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let draft = { notes: {}, comments: [], summary: '', decision: 'comment' };
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try {
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const saved = JSON.parse(storage.getItem(key) || '{}');
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if (saved && typeof saved === 'object') {
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draft.notes = Object.fromEntries(filenames
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.filter(filename => typeof saved.notes?.[filename] === 'string' && saved.notes[filename])
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.map(filename => [filename, saved.notes[filename]]));
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if (Array.isArray(saved.comments)) {
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draft.comments = saved.comments.filter(comment =>
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comment && filenames.includes(comment.path) && typeof comment.body === 'string' &&
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Boolean(comment.body.trim()) &&
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((Number.isInteger(comment.new_position) && !comment.old_position) ||
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(Number.isInteger(comment.old_position) && !comment.new_position))
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).map(comment => ({
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path: comment.path, body: comment.body,
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...(comment.new_position ? { new_position: comment.new_position } : {}),
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...(comment.old_position ? { old_position: comment.old_position } : {}),
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}));
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}
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if (typeof saved.summary === 'string') draft.summary = saved.summary;
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if (['comment', 'approve', 'request_changes'].includes(saved.decision)) draft.decision = saved.decision;
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}
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} catch (error) { /* start with an empty in-memory draft */ }
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function persist() {
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try { storage.setItem(key, JSON.stringify(draft)); } catch (error) { /* draft remains usable */ }
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}
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function snapshot() {
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return {
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notes: { ...draft.notes }, comments: draft.comments.map(comment => ({ ...comment })),
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summary: draft.summary, decision: draft.decision,
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};
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}
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function setNote(filename, note) {
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if (!filenames.includes(filename)) return snapshot();
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if (String(note)) draft.notes[filename] = String(note);
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else delete draft.notes[filename];
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persist();
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return snapshot();
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}
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function inlineKey(comment) {
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return comment.path + ':' + (comment.new_position ? 'new:' + comment.new_position : 'old:' + comment.old_position);
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}
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function setInlineComment(anchor, body) {
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if (!anchor || !filenames.includes(anchor.path)) return snapshot();
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const position = Number.isInteger(anchor.new_position) && anchor.new_position > 0
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? { new_position: anchor.new_position }
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: Number.isInteger(anchor.old_position) && anchor.old_position > 0
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? { old_position: anchor.old_position } : null;
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const text = String(body || '').trim();
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if (!position || !text) return snapshot();
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const comment = { path: anchor.path, body: text, ...position };
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const key = inlineKey(comment);
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const index = draft.comments.findIndex(item => inlineKey(item) === key);
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if (index >= 0) draft.comments[index] = comment;
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else draft.comments.push(comment);
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persist();
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return snapshot();
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}
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function removeInlineComment(anchor) {
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if (!anchor) return snapshot();
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const key = inlineKey(anchor);
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draft.comments = draft.comments.filter(comment => inlineKey(comment) !== key);
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persist();
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return snapshot();
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}
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function setSummary(summary) {
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draft.summary = String(summary || '');
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persist();
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return snapshot();
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}
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function setDecision(decision) {
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if (['comment', 'approve', 'request_changes'].includes(decision)) {
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draft.decision = decision;
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persist();
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}
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return snapshot();
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}
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function clear() {
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draft = { notes: {}, comments: [], summary: '', decision: 'comment' };
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try { storage.removeItem(key); } catch (error) { /* cleared in memory */ }
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return snapshot();
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}
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return { snapshot, setNote, setInlineComment, removeInlineComment, setSummary, setDecision, clear };
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}
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function formatFeedback(draft, files) {
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const decisions = {
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comment: 'Comment',
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approve: 'Approve',
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request_changes: 'Request changes',
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};
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const sections = [
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'## Intended decision\n' + (decisions[draft.decision] || decisions.comment),
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];
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if (String(draft.summary || '').trim()) {
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sections.push('## Summary\n' + String(draft.summary).trim());
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}
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const fileNotes = (files || []).flatMap(file => {
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const filename = file && file.filename;
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const note = filename && String(draft.notes?.[filename] || '').trim();
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if (!note) return [];
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return ['### `' + String(filename).replaceAll('`', '\\`') + '`\n' + note];
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});
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if (fileNotes.length) sections.push('## File notes\n' + fileNotes.join('\n\n'));
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return sections.join('\n\n');
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}
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async function copyAndContinue({ text, url, copy, open, fallback }) {
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const destination = open();
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try {
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await copy(text);
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} catch (error) {
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destination?.close?.();
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fallback(text);
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return { copied: false, opened: false };
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}
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if (!destination) {
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fallback(text);
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return { copied: true, opened: false };
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}
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destination.location.href = url;
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return { copied: true, opened: true };
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}
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function prepareMergeContinuation({ storage, item, headSha, reviewed, decision }) {
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const reasons = Array.isArray(item?.work_reasons) ? item.work_reasons : [];
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if (decision !== 'approve' || !reasons.includes('assigned_to_me') || !headSha) return false;
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const filenames = Array.isArray(reviewed)
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? reviewed.filter(filename => typeof filename === 'string' && filename)
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: [];
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const key = 'stackchain.pull-review.v1:' + item.repository + '#' + item.number + ':' + headSha;
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try { storage?.setItem(key, JSON.stringify(filenames)); }
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catch (_error) { return false; }
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return true;
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}
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createReviewController.renderDiffFile = renderDiffFile;
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createReviewController.parseDiffLines = parseDiffLines;
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createReviewController.toggleDiff = toggleDiff;
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createReviewController.createProgress = createProgress;
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createReviewController.createDraft = createDraft;
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createReviewController.formatFeedback = formatFeedback;
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createReviewController.copyAndContinue = copyAndContinue;
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createReviewController.prepareMergeContinuation = prepareMergeContinuation;
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if (typeof module !== 'undefined' && module.exports) {
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module.exports = createReviewController;
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}
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