add sls

buttons/hardware.js

@@ -17,7 +17,6 @@ Hack Club has started the process of getting teenagers into more hardware-based
 <#C078GBDKC03>: Join Hack Clubbers in building an open source 3D printer
 <#C056AMWSFKJ>:
   - OnBoard: Get $100 to build your own custom PCB. Learn more at https://hackclub.com/onboard
-  - Bin: Design a project online, get parts shipped to your door, and build it IRL. Learn more at https://hackclub.com/bin/
 All of these events and programs are *free* for you to participate in.`;
   },
 };

buttons/local.js

@@ -0,0 +1,119 @@
+const Airtable = require("airtable");
+const base = new Airtable({ apiKey: process.env.AIRTABLE_TOKEN }).base(
+  process.env.AIRTABLE_BASE,
+);
+const geolib = require("geolib");
+const { PrismaClient } = require("@prisma/client");
+const prisma = new PrismaClient();
+const geoIp2 = require("geoip-lite2");
+
+async function lookupCity(lat, lon) {
+  const response = await (
+    await fetch(
+      "https://nominatim.openstreetmap.org/reverse?" +
+        new URLSearchParams({
+          lat,
+          lon,
+          format: "jsonv2",
+        }),
+    )
+  ).json();
+  if (response.error) return "Unknown city";
+  else return response.display_name;
+}
+
+module.exports = {
+  title: "Find Local Hack Clubbers",
+  /**
+   * @param {{app: import('@slack/bolt').App}} param1
+   */
+  render: async function ({ app, body }) {
+    if (!body?.user?.id) return `this isn't good at all :(`;
+
+    const user = await app.client.users.info({
+      user: body?.user?.id,
+    });
+    if (!user.user.profile.email)
+      return `Sorry, I couldn't lookup your location. This appears to be an issue on our side. Tell an admin that the bot may not have been installed with the \`users:read.email\` scope.`;
+    const tableIds = process.env.AIRTABLE_TABLES.split(",");
+    var u = null;
+
+    for (const tableId of tableIds) {
+      const table = await base(tableId)
+        .select({
+          filterByFormula:
+            tableId == "tblLXcLHjzTy08IeK"
+              ? `fldwcOLKym9dRvKvW = "${user.user.profile.email}"`
+              : `fldFDUVB1h83LchKg = "${user.user.profile.email}"`,
+        })
+        .all();
+
+      u = table.find(
+        (record) =>
+          record.get("Email") == user.user.profile.email ||
+          record.get("Email Address") == user.user.profile.email,
+      );
+      if (u) {
+        break;
+      }
+    }
+
+    if (!u || !u?.get("IP"))
+      return `Sorry, I couldn't lookup your location. This appears to be an issue on our side. Tell an admin that our system may have failed to record user information.`;
+
+    var locations = [];
+    const channels = await prisma.channel.findMany({
+      where: {
+        optout: false,
+      },
+    });
+    const userRecord = await prisma.user.findFirst({
+      where: {
+        id: body.user.id,
+      },
+    });
+    var lookup = geoIp2.lookup(u.get("IP"));
+    var location = lookup.ll;
+
+    if (userRecord && userRecord.lat && userRecord.lon)
+      location = [userRecord.lat, userRecord.lon];
+
+    channels.forEach((channel) => {
+      if (!channel.lat || !channel.lon || channel.optout) return;
+      const distance = geolib.getPreciseDistance(
+        {
+          latitude: channel.lat,
+          longitude: channel.lon,
+        },
+        {
+          latitude: location[0],
+          longitude: location[1],
+        },
+      );
+      locations.push({
+        km: geolib.convertDistance(distance, "km"),
+        mi: geolib.convertDistance(distance, "mi"),
+        id: channel.id,
+      });
+    });
+    var filter = locations
+      .sort((a, b) => a.km - b.km)
+      .filter((a) => a.mi <= 350);
+    if (filter.length > 2) locations = filter;
+    else locations = locations.sort((a, b) => a.km - b.km).slice(0, 3);
+
+    var text = !userRecord
+      ? `I assumed you live in ${await lookupCity(location[0], location[1])} based on information based the IP address of when you joined Hack Club. If it's not correct, please set it manually using /setuserlocation [location]. Here are some channels with people near you:\n\n`
+      : `Showing channels near \`${await lookupCity(location[0], location[1])}\`:\n\n`;
+
+    locations.forEach(
+      (loc) =>
+        (text += `- <#${loc.id}> (${loc.mi.toFixed(2)} mi/${loc.km.toFixed(2)} km away)\n`),
+    );
+
+    if (locations.length < 1)
+      text +=
+        "There are no channels for Hack Clubbers near you. Go make one and invite people!";
+    return text;
+  },
+};

index.js

@@ -4,7 +4,7 @@ const { createClient } = require("redis");
 const cron = require("node-cron");
 const { PrismaClient } = require("@prisma/client");
 const prisma = new PrismaClient();
-
+const getCloseChannels = require("./utils/getCloseChannels")
 const receiver = new ExpressReceiver({
   signingSecret: process.env.SLACK_SIGNING_SECRET,
 });
@@ -31,6 +31,15 @@ Array.prototype.random = function () {
   receiver.router.get("/", async (req, res) => {
     res.redirect(302, "https://github.com/hackclub/channel-directory");
   });
+  receiver.router.get("/sls/:id", async (req, res) => {
+    const { id } = req.params
+    try {
+      const text = await getCloseChannels(id)
+      res.set("Content-Type","text/plain").send(text)
+    } catch(e){
+      res.set("Content-Type","text/plain").send("User not found").status(404)
+    }
+  });
 
   await require("./commands/optout")({ app, client, prisma });
   await require("./commands/setlocation")({ app, client, prisma });

interactions/channel_created.js

@@ -25,7 +25,9 @@ module.exports = ({ app, client, prisma }) => {
     await app.client.chat.postEphemeral({
       channel: channelId,
       user: userId,
-      text: `Nice channel you got there. I'm librarian, which is created by HQ to help people find new and active channels. No message data is collected/stored, just how many messages are sent in a certain timeframe. If you do not want me in this channel and you do not want your channel in #directory, please run the command /optout-directory.`,
+      text: `Nice channel you got there. I'm librarian, which is created by HQ to help people find new and active channels. No message data is collected/stored, just how many messages are sent in a certain timeframe. If you do not want me in this channel and you do not want your channel in #directory, please run the command /optout-directory.
+      
+      *NOTE:* PLEASE SET A CUSTOM CHANNEL EMOJI USING THE /setemoji COMMAND, otherwise you'll get a random emoji.`,
     });
   });
 };

package.json

@@ -12,8 +12,11 @@
   "dependencies": {
     "@prisma/client": "5.17.0",
     "@slack/bolt": "^3.18.0",
+    "airtable": "^0.12.2",
     "dotenv": "^16.4.5",
     "figlet": "^1.7.0",
+    "geoip-lite2": "^2.1.43",
+    "geolib": "^3.3.4",
     "node-cron": "^3.0.3",
     "pretty-ms": "7.0.1",
     "prisma": "^5.17.0",

utils/getCloseChannels.js

@@ -0,0 +1,121 @@
+const Airtable = require("airtable");
+require("dotenv").config();
+const { App } = require("@slack/bolt");
+const base = new Airtable({ apiKey: process.env.AIRTABLE_TOKEN }).base(
+    process.env.AIRTABLE_BASE,
+);
+const geolib = require("geolib");
+const { PrismaClient } = require("@prisma/client");
+const prisma = new PrismaClient();
+const geoIp2 = require("geoip-lite2");
+const app = new App({
+    token: process.env.SLACK_BOT_TOKEN,
+    signingSecret: process.env.SLACK_SIGNING_SECRET,
+
+  });
+
+async function lookupCity(lat, lon) {
+    const response = await (
+        await fetch(
+            "https://nominatim.openstreetmap.org/reverse?" +
+            new URLSearchParams({
+                lat,
+                lon,
+                format: "jsonv2",
+            }),
+        )
+    ).json();
+    if (response.error) return "Unknown city";
+    else return response.display_name;
+}
+
+module.exports = async function (id, ip) {
+    var u = null;
+    if (id) {
+        const user = await app.client.users.info({
+            user: id
+        });
+        if (!user.user.profile.email)
+            return `Sorry, I couldn't lookup your location. This appears to be an issue on our side. Tell an admin that the bot may not have been installed with the \`users:read.email\` scope.`;
+        const tableIds = process.env.AIRTABLE_TABLES.split(",");
+
+
+        for (const tableId of tableIds) {
+            const table = await base(tableId)
+                .select({
+                    filterByFormula:
+                        tableId == "tblLXcLHjzTy08IeK"
+                            ? `fldwcOLKym9dRvKvW = "${user.user.profile.email}"`
+                            : `fldFDUVB1h83LchKg = "${user.user.profile.email}"`,
+                })
+                .all();
+
+            u = table.find(
+                (record) =>
+                    record.get("Email") == user.user.profile.email ||
+                    record.get("Email Address") == user.user.profile.email,
+            );
+            if (u) {
+                break;
+            }
+        }
+    }
+    if (!u?.get("IP") && !ip)
+        return `Sorry, I couldn't lookup your location. This appears to be an issue on our side. Tell an admin that our system may have failed to record user information.`;
+
+    var locations = [];
+    const channels = await prisma.channel.findMany({
+        where: {
+            optout: false,
+        },
+    });
+    const userRecord = await prisma.user.findFirst({
+        where: {
+            id,
+        },
+    });
+    var lookup = geoIp2.lookup(u.get("IP") || ip);
+    var location = lookup.ll;
+
+    if (userRecord && userRecord.lat && userRecord.lon)
+        location = [userRecord.lat, userRecord.lon];
+
+    channels.forEach((channel) => {
+        if (!channel.lat || !channel.lon || channel.optout) return;
+        const distance = geolib.getPreciseDistance(
+            {
+                latitude: channel.lat,
+                longitude: channel.lon,
+            },
+            {
+                latitude: location[0],
+                longitude: location[1],
+            },
+        );
+        locations.push({
+            km: geolib.convertDistance(distance, "km"),
+            mi: geolib.convertDistance(distance, "mi"),
+            id: channel.id,
+        });
+    });
+    var filter = locations
+        .sort((a, b) => a.km - b.km)
+        .filter((a) => a.mi <= 350);
+    if (filter.length > 2) locations = filter;
+    else locations = locations.sort((a, b) => a.km - b.km).slice(0, 3);
+
+    var text = !userRecord
+        ? `I assumed you live in ${await lookupCity(location[0], location[1])} based on information based the IP address of when you joined Hack Club. If it's not correct, please set it manually using /setuserlocation [location]. Here are some channels with people near you:\n\n`
+        : `Showing channels near \`${await lookupCity(location[0], location[1])}\`:\n\n`;
+
+    locations.forEach(
+        (loc) =>
+            (text += `- <#${loc.id}> (${loc.mi.toFixed(2)} mi/${loc.km.toFixed(2)} km away)\n`),
+    );
+
+    if (locations.length < 1)
+        text +=
+            "There are no channels for Hack Clubbers near you. Go make one and invite people!";
+    return text;
+
+}