Add makefile target - generate-youtube-playlists-json

Author: petasittek

Diff for: .gitignore

@@ -1,3 +1,4 @@
 /data/conferences.json
 /data/youtube-channels.json
+/data/youtube-playlists.json
 /sitemap.txt

Diff for: Makefile

@@ -60,6 +60,16 @@ generate-youtube-channels-json: build-image
 	  $(IMAGE_NAME) \
 	  node ./tools/generate-youtube-channels-json.js
 
+# Generate /data/youtube-playlists.json
+.PHONY: generate-youtube-playlists-json
+generate-youtube-playlists-json: build-image
+	> data/youtube-playlists.json
+	docker run -t --rm \
+	  --workdir $(TARGET_DIR) \
+	  --mount type=bind,source=$(CURDIR),target=$(TARGET_DIR) \
+	  $(IMAGE_NAME) \
+	  node ./tools/generate-youtube-playlists-json.js
+
 # Build Docker image for tests and tooling
 .PHONY: build-image
 build-image:

Diff for: Makefile-netlify

@@ -29,3 +29,8 @@ generate-conferences-json:
 .PHONY: generate-youtube-channels-json
 generate-youtube-channels-json:
 	node ./tools/generate-youtube-channels-json.js
+
+# Generate /data/youtube-playlists.json
+.PHONY: generate-youtube-playlists-json
+generate-youtube-playlists-json:
+	node ./tools/generate-youtube-playlists-json.js

Diff for: tools/generate-youtube-playlists-json.js

@@ -0,0 +1,27 @@
+const fs = require('fs');
+const path = require('path');
+
+const glob = require('glob');
+
+const utils = require('../js/utils/utils-node');
+
+const YOUTUBE_PLAYLISTS_JSON_FILE = './data/youtube-playlists.json';
+const CONFERENCES_GLOB_PATTERN = './data/conferences/*/*.yaml';
+
+let conferenceFiles = glob.sync(CONFERENCES_GLOB_PATTERN);
+
+// Build playlist IDs object
+let playlistIds = new Set();
+
+conferenceFiles.forEach(conferenceFile => {
+  let playlistUrl = utils.getJSON(conferenceFile).conference.links.playlist;
+  let playlistMatch = playlistUrl && playlistUrl.match(utils.REGEX_URL_YOUTUBE_PLAYLIST);
+  if (playlistMatch) {
+    playlistIds.add(playlistMatch[1]);
+  }
+});
+
+// TODO: save
+fs.writeFileSync(YOUTUBE_PLAYLISTS_JSON_FILE, JSON.stringify([...playlistIds], null, 2));
+
+console.log(`YouTube playlists JSON file generated at: ${YOUTUBE_PLAYLISTS_JSON_FILE}`);