Merge pull request #1 from stjohnjohnson/initial-build

Initial build of Discord/ExtraLife bot

Dockerfile

@@ -0,0 +1,8 @@
+FROM node:18-alpine
+WORKDIR /usr/src/app
+RUN chown -R node:node /usr/src/app
+USER node
+COPY --chown=node:node package*.json ./
+RUN npm install
+COPY app.js .
+CMD [ "npm", "start" ]

README.md

@@ -1,2 +1,26 @@
 # extralife-discord-bridge
 Bring your Extra-Life donations directly to your Discord channel
+
+## Running
+
+```bash
+$ docker run --rm -it --env-file .env stjohnjohnson/extralife-discord-bridge:latest
+> [email protected] start
+> node app.js
+
+[2022-10-03T07:00:42.180Z] Bot Online
+[2022-10-03T07:00:42.181Z] Found Channel: 1026381181073240134
+[2022-10-03T07:00:42.594Z] Donation: St. John Johnson / $31.00
+```
+
+## Configuration
+
+Set the following environment variables:
+
+- `DISCORD_TOKEN`: Your Bot Token
+- `DISCORD_CHANNEL`: Name of the channel to write to
+- `EXTRALIFE_PARTICIPANT_ID`: Participant ID from Extra Life
+
+## Features
+
+Every 30s the bot checks ExtraLife to see if there are any donations for that participant.  If so, it posts them in the channel you specified.

app.js

@@ -0,0 +1,76 @@
+import { getUserInfo, getUserDonations } from 'extra-life-api';
+import dotenv, { config } from 'dotenv';
+import { Client, GatewayIntentBits } from 'discord.js';
+import 'log-timestamp';
+
+// Load config from disk
+dotenv.config();
+
+// Validate we have all the required variables
+const configErrors = ['DISCORD_CHANNEL', 'DISCORD_TOKEN', 'EXTRALIFE_PARTICIPANT_ID'].map(key => {
+    if (!process.env[key]) {
+        return `${key} is a required environment variable`;
+    }
+}).join("\n").trim();
+if (configErrors != "") {
+    console.error(configErrors);
+    process.exit(1);
+}
+
+var channel;
+
+var seenDonationIDs = {};
+function getLatestDonation(silent = false) {
+    getUserDonations(process.env.EXTRALIFE_PARTICIPANT_ID).then(data => {
+        var msgQueue = [];
+
+        data.donations.map(donation => {
+            if (seenDonationIDs[donation.donationID]) {
+                return;
+            }
+            seenDonationIDs[donation.donationID] = true;
+
+            const amount = moneyFormatter.format(donation.amount),
+                displayName = donation.displayName ? donation.displayName : 'Anonymous',
+                message = donation.message ? ` with the message "${donation.message}"` : '';;
+
+            msgQueue.unshift(`${displayName} just donated ${amount}${message}!`);
+            console.log(`Donation: ${displayName} / ${amount}${message}`);
+        });
+
+        if (!silent) {
+            msgQueue.forEach(msg => channel.send(msg));
+        }
+    }).catch(err => {
+        console.error("Error getting Donations:", err);
+    })
+}
+
+// Setup a formatter
+const moneyFormatter = new Intl.NumberFormat('en-US', {
+    style: 'currency',
+    currency: 'USD',
+});
+
+// Create a new client instance
+const client = new Client({ intents: [GatewayIntentBits.Guilds] });
+
+// When the client is ready, run this code (only once)
+client.once('ready', () => {
+    console.log('Bot Online');
+
+    // Find our channel
+    channel = client.channels.cache.find(channel => channel.name === `${process.env.DISCORD_CHANNEL}`);
+    if (!channel) {
+        throw new Error(`Unable to find channel with name ${process.env.DISCORD_CHANNEL}`);
+    }
+    console.log(`Found Channel: ${channel.id}`);
+
+    // Check for updates (regularly)
+    setInterval(getLatestDonation, 30000);
+    // Be quiet the first time
+    getLatestDonation(true);
+});
+
+// Login to Discord with your client's token
+client.login(`${process.env.DISCORD_TOKEN}`);