index.js

@@ -152,6 +152,10 @@ module.exports = async function(robot) {
   require('./integrations/github')(robot, kredits);
   require('./integrations/gitea')(robot, kredits);
 
+  if (typeof process.env.KREDITS_ZOOM_JWT !== 'undefined') {
+    require('./integrations/zoom')(robot, kredits);
+  }
+
   if (typeof process.env.KREDITS_MEDIAWIKI_URL !== 'undefined') {
     require('./integrations/mediawiki')(robot, kredits);
   }

integrations/zoom.js

@@ -0,0 +1,97 @@
+const fetch = require('node-fetch');
+
+module.exports = async function(robot, kredits) {
+
+  function messageRoom(message) {
+    robot.messageRoom(process.env.KREDITS_ROOM, message);
+  }
+
+  const { Contributor, Contribution } = kredits;
+
+  const kreditsContributionAmount = 500;
+  const kreditsContributionKind = 'community';
+
+  const zoomAccessToken = process.env.KREDITS_ZOOM_JWT;
+
+  const walletTransactionCount = await kredits.provider.getTransactionCount(kredits.signer.address);
+  let nonce = walletTransactionCount;
+
+  async function createContributionFor (displayName, meeting) {
+    const contributor = await getContributorByZoomDisplayName(displayName);
+
+    if (!contributor) {
+      robot.logger.info(`[hubot-kredits] Contributor not found: Zoom display name: ${displayName}`);
+      messageRoom(`I tried to add a contribution for zoom user ${displayName}, but did not find a matching contributor profile.`);
+      return Promise.resolve();
+    }
+
+    const contribution = {
+      contributorId: contributor.id,
+      contributorIpfsHash: contributor.ipfsHash,
+      amount: kreditsContributionAmount,
+      kind: kreditsContributionKind,
+      description: 'Team/Community Call',
+      date: meeting.end_time.split('T')[0],
+      time: meeting.end_time.split('T')[1]
+    }
+
+    return Contribution.add(contribution, { nonce: nonce++ })
+      .then(tx => {
+        robot.logger.info(`[hubot-kredits] Contribution created: ${tx.hash}`);
+      })
+      .catch(error => {
+        robot.logger.error(`[hubot-kredits] Adding contribution for Zoom call failed:`, error);
+      });
+  }
+
+  function getContributorByZoomDisplayName(displayName) {
+    return Contributor.findByAccount({ site: 'zoom.us', username: displayName });
+  }
+
+  function request(path) {
+    return fetch(
+      `https://api.zoom.us/v2${path}`,
+      {headers: {authorization: `Bearer ${zoomAccessToken}`}}
+    );
+  }
+
+  function getMeetingParticipants(meetingUUID) {
+    return request(`/past_meetings/${meetingUUID}/participants`)
+      .then(response => response.json())
+      .then(json => json.participants)
+  }
+
+  function getMeetingDetails(meetingUUID) {
+    return request(`/past_meetings/${meetingUUID}`)
+      .then(r => r.json());
+  }
+
+  async function handleZoomMeetingEnded(data) {
+    const meetingDetails = await getMeetingDetails(data.uuid);
+    const participants = await getMeetingParticipants(data.uuid);
+
+    if (meetingDetails.duration < 15 || meetingDetails.participants_count < 3) {
+      robot.logger.info(`[hubot-kredits] Ignoring zoom call ${data.uuid} (duration: ${meetingDetails.duration}, participants_count: ${meetingDetails.participants_count})`);
+      return;
+    }
+
+    const names = Array.from(new Set(participants.map(p => p.name)));
+
+    for (const displayName of names) {
+      await createContributionFor(displayName, meetingDetails);
+    };
+  }
+
+  robot.router.post('/incoming/kredits/zoom/'+process.env.KREDITS_WEBHOOK_TOKEN, (req, res) => {
+    let data = req.body;
+    const eventName = data.event;
+    const payload = data.payload;
+    const object = payload.object;
+
+    if (eventName === 'meeting.ended') {
+      handleZoomMeetingEnded(object);
+    }
+
+    res.sendStatus(200);
+  })
+}