Add a script for retrieving the participants of the working group

README.md

@@ -2,3 +2,9 @@
 # Common files for RDF specifications
 
 This repository is meant to be used as a submodule in multiple repository holding RDF and SPARQL specifications.
+
+## Retrieving group participants
+
+The `participants.js` Node script can be used to retrieve the list of working group participants. It requires an API Key.
+
+    node participants.js <apikey> wg/rdf-star > participantes.html

participants.html

@@ -0,0 +1 @@
+Members of the RDF-star Working Group Group included Adrian Gschwend, Andy Seaborne, Antoine Zimmermann, Dan Brickley, David Chaves-Fraga, Dominik Tomaszuk, Dörthe Arndt, Enrico Franconi, Fabien Gandon, Gregg Kellogg, Gregory Williams, Jesse Wright, Julián Arenas-Guerrero, Olaf Hartig, Ora Lassila, Pasquale Lisena, Peter Patel-Schneider, Pierre-Antoine Champin, Raphaël Troncy, Ruben Taelman, Rémi Ceres, Sarven Capadisli, Souripriya Das, Ted Thibodeau, and Timothée HAUDEBOURG.

participants.js

@@ -0,0 +1,74 @@
+// Retrieve the list of users for a working group as a sentence.
+// APIKEY and GROUP can be specified via either enironment variable or argument
+// usage:
+//   APIKEY=<apikey> GROUP=wg/rdf-star node participants.js
+// or
+//   node participants.js <apikey> wg/rdf-star
+// group defaults to wg/rdf-star
+
+
+const https = require('https');
+const process = require('process');
+
+const APIKEY = process.env.APIKEY || process.argv[2];
+const GROUP = process.env.GROUP || process.argv[3] || "wg/rdf-star";
+
+if (!APIKEY || !GROUP) {
+  console.error('Error: APIKEY and GROUP must be specified as either environment variables or command-line arguments.');
+  process.exit(1);
+}
+
+const groupOptions = {
+  hostname: 'api.w3.org',
+  path: `/groups/${GROUP}?items=50&apikey=${APIKEY}`,
+  headers: {
+    'Accept': 'application/json'
+  }
+};
+
+const userOptions = {
+  hostname: 'api.w3.org',
+  path: `/groups/${GROUP}/users?items=50&apikey=${APIKEY}`,
+  headers: {
+    'Accept': 'application/json'
+  }
+};
+
+https.get(groupOptions, (res) => {
+  let groupData = '';
+  let userData = '';
+
+  res.on('data', (chunk) => {
+    groupData += chunk;
+  });
+
+  res.on('end', () => {
+    const groupName = JSON.parse(groupData).name;
+
+    https.get(userOptions, (res) => {
+
+      res.on('data', (chunk) => {
+        userData += chunk;
+      });
+
+      res.on('end', () => {
+        const users = JSON.parse(userData)._links.users.map(u => u.title);
+        const sortedUsers = users.sort();
+
+        if (sortedUsers.length === 1) {
+          console.log(`The sole member of the ${groupName} Group was ${sortedUsers[0]}.`);
+        } else if (sortedUsers.length === 2) {
+          const joinedUsers = sortedUsers.join(' and ');
+          console.log(`Members of the ${groupName} Group included ${joinedUsers}.`);
+        } else {
+          const joinedUsers = sortedUsers.slice(0, -1).join(', ');
+          console.log(`Members of the ${groupName} Group included ${joinedUsers}, and ${sortedUsers[sortedUsers.length - 1]}.`);
+        }
+      });
+    }).on('error', (err) => {
+      console.error(`Error: ${err.message}`);
+    });
+  });
+}).on('error', (err) => {
+  console.error(`Error: ${err.message}`);
+});