Generate Followers Map #28
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| name: Generate Followers Map | |
| on: | |
| schedule: | |
| - cron: '0 0 */3 * *' # Runs every 3 days at midnight UTC | |
| jobs: | |
| build: | |
| runs-on: ubuntu-latest | |
| permissions: | |
| contents: write # Required for PR creation | |
| pull-requests: write | |
| steps: | |
| - uses: actions/checkout@v5 | |
| - uses: actions/setup-node@v6 | |
| with: | |
| node-version: '22' | |
| - name: Create package files | |
| run: | | |
| echo '{"name":"followers-map","version":"1.0.0","private":true}' > package.json | |
| npm install --package-lock-only axios | |
| - name: Cache node modules | |
| uses: actions/cache@v4 | |
| with: | |
| path: ~/.npm | |
| key: ${{ runner.os }}-node-${{ hashFiles('**/package-lock.json') }} | |
| restore-keys: | | |
| ${{ runner.os }}-node- | |
| - name: Install dependencies | |
| run: npm install axios | |
| - name: Generate followers map | |
| env: | |
| GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }} | |
| GEOCODING_API_KEY: ${{ secrets.GEOCODING_API_KEY }} | |
| MAP_API_KEY: ${{ secrets.MAP_API_KEY }} | |
| REPO: ${{ github.repository }} # works on push and schedule | |
| run: | | |
| node -e ' | |
| const axios = require("axios"); | |
| const fs = require("fs"); | |
| const GITHUB_TOKEN = process.env.GITHUB_TOKEN; | |
| const GEOCODING_API_KEY = process.env.GEOCODING_API_KEY; | |
| const MAP_API_KEY = process.env.MAP_API_KEY; | |
| const [REPO_OWNER, REPO_NAME] = process.env.REPO.split("/"); | |
| async function getStargazers(max = 300) { | |
| const users = []; | |
| let page = 1; | |
| while (users.length < max) { | |
| const res = await axios.get( | |
| `https://api.github.com/repos/${REPO_OWNER}/${REPO_NAME}/stargazers`, | |
| { | |
| headers: { | |
| Authorization: `Bearer ${GITHUB_TOKEN}`, | |
| Accept: "application/vnd.github.v3+json", | |
| }, | |
| params: { per_page: 100, page }, | |
| } | |
| ); | |
| if (!Array.isArray(res.data) || res.data.length === 0) break; | |
| users.push(...res.data); | |
| if (res.data.length < 100) break; | |
| page += 1; | |
| } | |
| return users.slice(0, max); | |
| } | |
| async function getUserLocation(user) { | |
| try { | |
| const res = await axios.get( | |
| user.url || `https://api.github.com/users/${user.login}`, | |
| { | |
| headers: { | |
| Authorization: `Bearer ${GITHUB_TOKEN}`, | |
| Accept: "application/vnd.github.v3+json", | |
| }, | |
| } | |
| ); | |
| return res.data && res.data.location ? res.data.location : null; | |
| } catch (e) { | |
| console.error("Error fetching user:", user.login, e.message); | |
| return null; | |
| } | |
| } | |
| const geocodeCache = new Map(); | |
| async function getGeocode(location) { | |
| if (!location) return null; | |
| if (geocodeCache.has(location)) return geocodeCache.get(location); | |
| try { | |
| const res = await axios.get( | |
| `https://api.opencagedata.com/geocode/v1/json`, | |
| { params: { q: location, key: GEOCODING_API_KEY, limit: 1 } } | |
| ); | |
| const result = res.data && res.data.results && res.data.results[0]; | |
| const coords = result && result.geometry | |
| ? { lat: result.geometry.lat, lng: result.geometry.lng } | |
| : null; | |
| geocodeCache.set(location, coords); | |
| return coords; | |
| } catch (e) { | |
| console.error("Error geocoding:", location, e.message); | |
| geocodeCache.set(location, null); | |
| return null; | |
| } | |
| } | |
| async function generateMap(coordinates) { | |
| // Limit markers to avoid URL length limits | |
| const limited = coordinates.slice(0, 100); | |
| const markers = limited.map(c => `pin-s(${c.lng},${c.lat})`).join(","); | |
| const url = `https://api.mapbox.com/styles/v1/mapbox/streets-v11/static/${markers}/auto/800x500?access_token=${MAP_API_KEY}`; | |
| try { | |
| const res = await axios.get(url, { responseType: "arraybuffer" }); | |
| fs.writeFileSync("followers-map.png", res.data); | |
| console.log("Map generated: followers-map.png with", limited.length, "markers"); | |
| } catch (e) { | |
| console.error("Error generating map:", e.message); | |
| } | |
| } | |
| async function main() { | |
| const users = await getStargazers(); | |
| if (users.length === 0) { | |
| console.log("No stargazers found."); | |
| return; | |
| } | |
| const locationsRaw = await Promise.all(users.map(getUserLocation)); | |
| const uniqueLocations = [...new Set(locationsRaw.filter(Boolean))]; | |
| const coordinates = (await Promise.all(uniqueLocations.map(getGeocode))).filter(Boolean); | |
| if (coordinates.length === 0) { | |
| console.log("No valid coordinates to map."); | |
| return; | |
| } | |
| await generateMap(coordinates); | |
| } | |
| main().catch(e => { console.error(e); process.exit(1); }); | |
| ' | |
| - name: Create Pull Request | |
| uses: peter-evans/create-pull-request@v7 | |
| with: | |
| commit-message: "docs: update followers map" | |
| title: "docs: update followers map" | |
| body: | | |
| Automated update of the followers-map.png. | |
| branch: followers-map-update | |
| delete-branch: true | |
| add-paths: followers-map.png | |
| author: github-actions[bot] <github-actions[bot]@users.noreply.github.com> |