feat: add daily news release summary for top accessibility barriers

Co-authored-by: mgifford <116832+mgifford@users.noreply.github.com>

Author: Copilot

.github/workflows/daily-scan.yml

@@ -135,6 +135,16 @@ jobs:
         shell: bash
         run: node src/cli/generate-accessibility-summary.js
 
+      - name: Generate news release summary
+        if: steps.pipeline.outputs.exit_code == '0' && env.DRY_RUN != 'true'
+        shell: bash
+        run: |
+          if [[ -n "$RUN_DATE" ]]; then
+            node src/cli/generate-press-release.js --date "$RUN_DATE"
+          else
+            node src/cli/generate-press-release.js
+          fi
+
       - name: Fail workflow on pipeline error
         if: steps.pipeline.outputs.exit_code != '0'
         run: |

src/cli/generate-press-release.js

@@ -0,0 +1,360 @@
+#!/usr/bin/env node
+/**
+ * Generates a plain-text press release (news release) summarizing the top
+ * accessibility barriers found in today's daily DAP scan.
+ *
+ * Reads report.json and axe-findings.json from docs/reports/daily/YYYY-MM-DD/
+ * and writes a Markdown news release suitable for adaptation into a
+ * communications product.
+ *
+ * Output: press-release.md written to the daily report directory (and/or stdout).
+ *
+ * Usage:
+ *   node src/cli/generate-press-release.js [--output-root <dir>] [--date YYYY-MM-DD]
+ */
+
+import fs from 'node:fs/promises';
+import path from 'node:path';
+import { fileURLToPath, pathToFileURL } from 'node:url';
+import { getPolicyNarrative } from '../data/axe-impact-loader.js';
+
+const BASE_REPORT_URL = 'https://mgifford.github.io/daily-dap/docs/reports/daily';
+
+function getDefaultRepoRoot() {
+  const currentDir = path.dirname(fileURLToPath(import.meta.url));
+  return path.resolve(currentDir, '..', '..');
+}
+
+function parseArgs(argv) {
+  const args = { repoRoot: null, runDate: null };
+  for (let i = 2; i < argv.length; i += 1) {
+    if (argv[i] === '--output-root') args.repoRoot = argv[++i];
+    else if (argv[i] === '--date') args.runDate = argv[++i];
+  }
+  return args;
+}
+
+/**
+ * Aggregate axe findings from axe-findings.json URLs into a sorted list
+ * of { id, title, count, total_page_loads, affected_urls[] }.
+ */
+function buildAxePatternCounts(urls = []) {
+  const counts = new Map();
+  for (const entry of urls) {
+    const pageLoads = entry.page_load_count ?? 0;
+    const url = entry.url ?? '';
+    for (const finding of entry.axe_findings ?? []) {
+      const existing = counts.get(finding.id);
+      if (existing) {
+        existing.count += 1;
+        existing.total_page_loads += pageLoads;
+        if (url) existing.affected_urls.push(url);
+      } else {
+        counts.set(finding.id, {
+          id: finding.id,
+          title: finding.title ?? finding.id,
+          count: 1,
+          total_page_loads: pageLoads,
+          affected_urls: url ? [url] : []
+        });
+      }
+    }
+  }
+  return [...counts.values()].sort((a, b) => b.count - a.count);
+}
+
+/**
+ * Format a number with comma separators (locale-style).
+ */
+function fmt(n) {
+  return Number(n).toLocaleString('en-US');
+}
+
+/**
+ * Return a human-readable date string from a YYYY-MM-DD date string.
+ */
+function humanDate(dateStr) {
+  if (!dateStr) return '';
+  const [year, month, day] = dateStr.split('-').map(Number);
+  const date = new Date(Date.UTC(year, month - 1, day));
+  return date.toLocaleDateString('en-US', { month: 'long', day: 'numeric', year: 'numeric', timeZone: 'UTC' });
+}
+
+/**
+ * Build the FPC exclusion summary section.
+ * Returns an array of markdown lines.
+ *
+ * @param {object} fpcExclusion - report.fpc_exclusion object
+ */
+function buildFpcExclusionSection(fpcExclusion) {
+  if (!fpcExclusion || !fpcExclusion.categories) {
+    return [];
+  }
+
+  const lines = [];
+  lines.push('## Americans Being Left Out');
+  lines.push('');
+  lines.push(
+    'Based on page traffic data and U.S. Census disability prevalence estimates ' +
+    '(ACS 2022), today\'s accessibility barriers are estimated to affect the ' +
+    'following groups of Americans:'
+  );
+  lines.push('');
+  lines.push('| Disability Group | Affected Page Loads | Estimated People Affected |');
+  lines.push('|-----------------|---------------------|--------------------------|');
+
+  const entries = Object.entries(fpcExclusion.categories)
+    .filter(([, cat]) => cat.affected_page_loads > 0)
+    .sort(([, a], [, b]) => b.estimated_excluded_users - a.estimated_excluded_users);
+
+  if (entries.length === 0) {
+    lines.push('| No affected groups identified | -- | -- |');
+  } else {
+    for (const [, cat] of entries) {
+      lines.push(
+        `| ${cat.label} | ${fmt(cat.affected_page_loads)} | ~${fmt(Math.round(cat.estimated_excluded_users))} |`
+      );
+    }
+  }
+
+  lines.push('');
+  lines.push(
+    `*Total page loads across all scanned URLs today: ${fmt(fpcExclusion.total_page_loads ?? 0)}*`
+  );
+  lines.push('');
+  lines.push(
+    '*Estimates use disability prevalence rates from the U.S. Census Bureau ' +
+    'American Community Survey (ACS) 2022, supplemented by CDC, NIDCD, AFB, ' +
+    'and NIH/NEI data. These are rough estimates intended to illustrate the scale ' +
+    'of accessibility barriers, not precise measurements.*'
+  );
+  lines.push('');
+
+  return lines;
+}
+
+/**
+ * Build the top accessibility barriers section with human-impact narratives.
+ * Returns an array of markdown lines.
+ *
+ * @param {Array<{ id: string, title: string, count: number, total_page_loads: number, affected_urls: string[] }>} topPatterns
+ *   Sorted array of axe pattern counts (e.g. from buildAxePatternCounts), already sliced to top N.
+ * @returns {string[]} Array of markdown lines
+ */
+function buildTopBarriersSection(topPatterns) {
+  if (topPatterns.length === 0) return [];
+
+  const lines = [];
+  lines.push('## Top Accessibility Barriers');
+  lines.push('');
+  lines.push(
+    'The following accessibility issues were most frequently found across today\'s scanned ' +
+    'government websites. Each issue prevents specific groups of Americans from independently ' +
+    'accessing government services.'
+  );
+  lines.push('');
+
+  let issueIndex = 1;
+  for (const pattern of topPatterns) {
+    const narrative = getPolicyNarrative(pattern.id);
+    const siteCount = pattern.count;
+    const sitePlural = siteCount === 1 ? 'website' : 'websites';
+    const title = narrative ? narrative.title : pattern.title;
+
+    lines.push(`### ${issueIndex}. \`${pattern.id}\`: ${title}`);
+    lines.push('');
+    lines.push(`*Found on ${fmt(siteCount)} government ${sitePlural} today*`);
+    lines.push('');
+
+    if (narrative && narrative.why_it_matters) {
+      lines.push(narrative.why_it_matters.trim());
+      lines.push('');
+    }
+
+    if (narrative && Array.isArray(narrative.affected_demographics) && narrative.affected_demographics.length > 0) {
+      lines.push('**Affected groups:**');
+      lines.push('');
+      for (const group of narrative.affected_demographics) {
+        lines.push(`- ${group}`);
+      }
+      lines.push('');
+    }
+
+    issueIndex += 1;
+  }
+
+  return lines;
+}
+
+/**
+ * Build a full press-release Markdown document from a report and axe findings.
+ *
+ * @param {object} report - Parsed report.json object
+ * @param {object} axeData - Parsed axe-findings.json object
+ * @param {object} [options]
+ * @param {number} [options.topN=5] - Number of top issues to include
+ * @returns {string} Markdown press release text
+ */
+export function buildPressRelease(report, axeData, options = {}) {
+  const topN = options.topN ?? 5;
+  const runDate = report.run_date ?? '';
+  const reportUrl = `${BASE_REPORT_URL}/${runDate}/index.html`;
+  const axeJsonUrl = `${BASE_REPORT_URL}/${runDate}/axe-findings.json`;
+  const axeCsvUrl = `${BASE_REPORT_URL}/${runDate}/axe-findings.csv`;
+
+  const urlCounts = report.url_counts ?? {};
+  const succeeded = urlCounts.succeeded ?? 0;
+  const processed = urlCounts.processed ?? 0;
+  const scores = report.aggregate_scores ?? {};
+
+  const patterns = buildAxePatternCounts(axeData.urls ?? []);
+  const topPatterns = patterns.slice(0, topN);
+  const totalFindings = axeData.total_findings ?? 0;
+
+  const lines = [];
+
+  // Header
+  lines.push('FOR IMMEDIATE RELEASE');
+  lines.push('');
+
+  // Title
+  lines.push(`# U.S. Government Website Accessibility Report: ${humanDate(runDate)}`);
+  lines.push('');
+
+  // Lead paragraph
+  const topIssueNames = topPatterns.slice(0, 3).map((p) => {
+    const narrative = getPolicyNarrative(p.id);
+    return narrative ? narrative.title : p.id;
+  });
+  const issueList = topIssueNames.length > 0
+    ? new Intl.ListFormat('en-US', { style: 'long', type: 'conjunction' }).format(topIssueNames)
+    : 'accessibility barriers';
+
+  lines.push(
+    `*Washington, D.C. -- ${humanDate(runDate)}* -- A daily scan of ${fmt(succeeded)} of the ` +
+    `most-visited U.S. government websites found ${fmt(totalFindings)} accessibility ` +
+    `barriers across ${fmt(processed)} URLs today. The most common issues include ` +
+    `${issueList}.`
+  );
+  lines.push('');
+  lines.push(
+    'These barriers prevent Americans with disabilities from independently accessing ' +
+    'essential government services. This is a single daily snapshot of the most popular ' +
+    `~${fmt(processed)} pages in U.S. federal government web properties, as measured by ` +
+    'the Digital Analytics Program (DAP).'
+  );
+  lines.push('');
+
+  // FPC exclusion section
+  const fpcLines = buildFpcExclusionSection(report.fpc_exclusion);
+  lines.push(...fpcLines);
+
+  // Top barriers section
+  const barriersLines = buildTopBarriersSection(topPatterns);
+  lines.push(...barriersLines);
+
+  // Scores section
+  lines.push('## Accessibility Scores');
+  lines.push('');
+  lines.push(
+    `Aggregate Lighthouse scores across ${fmt(succeeded)} scanned U.S. government ` +
+    'websites today:'
+  );
+  lines.push('');
+  lines.push('| Metric | Score |');
+  lines.push('|--------|-------|');
+  lines.push(`| Accessibility | ${scores.accessibility ?? 0} |`);
+  lines.push(`| Performance | ${scores.performance ?? 0} |`);
+  lines.push(`| Best Practices | ${scores.best_practices ?? 0} |`);
+  lines.push(`| SEO | ${scores.seo ?? 0} |`);
+  lines.push('');
+
+  // About section
+  lines.push('## About This Report');
+  lines.push('');
+  lines.push(
+    'This report captures a daily snapshot of the most-visited U.S. government web pages ' +
+    'as measured by the Digital Analytics Program (DAP). Scans use Lighthouse (Google\'s ' +
+    'automated web quality tool, which includes axe-core for accessibility testing). ' +
+    'Reports are published automatically each day.'
+  );
+  lines.push('');
+  lines.push(`- [View full interactive report](${reportUrl})`);
+  lines.push(`- [Download accessibility findings (JSON)](${axeJsonUrl})`);
+  lines.push(`- [Download accessibility findings (CSV)](${axeCsvUrl})`);
+  lines.push('');
+
+  // Footer
+  lines.push('---');
+  lines.push('');
+  lines.push(
+    `*Generated by [Daily DAP](https://github.com/mgifford/daily-dap) | ` +
+    `Source: Digital Analytics Program | ` +
+    `Methodology: Lighthouse + axe-core | ` +
+    `Date: ${runDate}*`
+  );
+
+  return lines.join('\n');
+}
+
+/**
+ * Read data files and generate a press release for the given date.
+ *
+ * @param {string} repoRoot - Absolute path to the repository root
+ * @param {string|null} runDate - YYYY-MM-DD date string, or null to use latest
+ * @returns {Promise<{ markdown: string, outputPath: string }>}
+ */
+export async function generatePressRelease(repoRoot, runDate) {
+  const reportsRoot = path.join(repoRoot, 'docs', 'reports');
+
+  let reportDate = runDate;
+  if (!reportDate) {
+    const historyRaw = await fs.readFile(path.join(reportsRoot, 'history.json'), 'utf8');
+    const history = JSON.parse(historyRaw);
+    reportDate = history.entries?.[0]?.run_date;
+  }
+
+  if (!reportDate) {
+    throw new Error('Could not determine report date. Pass --date or ensure history.json exists.');
+  }
+
+  const dailyDir = path.join(reportsRoot, 'daily', reportDate);
+  const [reportRaw, axeRaw] = await Promise.all([
+    fs.readFile(path.join(dailyDir, 'report.json'), 'utf8'),
+    fs.readFile(path.join(dailyDir, 'axe-findings.json'), 'utf8')
+  ]);
+
+  const report = JSON.parse(reportRaw);
+  const axeData = JSON.parse(axeRaw);
+
+  const markdown = buildPressRelease(report, axeData);
+  const outputPath = path.join(dailyDir, 'press-release.md');
+
+  return { markdown, outputPath };
+}
+
+async function main() {
+  const args = parseArgs(process.argv);
+  const repoRoot = path.resolve(args.repoRoot ?? getDefaultRepoRoot());
+  const { markdown, outputPath } = await generatePressRelease(repoRoot, args.runDate ?? null);
+
+  await fs.writeFile(outputPath, `${markdown}\n`, 'utf8');
+  console.log(`Press release written to ${outputPath}`);
+
+  const summaryPath = process.env.GITHUB_STEP_SUMMARY;
+  if (summaryPath) {
+    await fs.appendFile(summaryPath, `\n${markdown}\n`, 'utf8');
+    console.log('Press release appended to GITHUB_STEP_SUMMARY');
+  } else {
+    console.log('');
+    console.log(markdown);
+  }
+}
+
+const isDirectExecution = process.argv[1] && import.meta.url === pathToFileURL(process.argv[1]).href;
+if (isDirectExecution) {
+  main().catch((error) => {
+    console.error(error.message);
+    process.exit(1);
+  });
+}